build/
bin/
-.vscode/
\ No newline at end of file
+.vscode/¨
+WiringPi-3.6/
\ No newline at end of file
--- /dev/null
+{
+ "configurations": [
+ {
+ "name": "Linux",
+ "includePath": [
+ "${workspaceFolder}/**",
+ "${workspaceFolder}/processes/**",
+ ],
+ "defines": [],
+ "compilerPath": "/usr/bin/gcc",
+ "cStandard": "c17",
+ "cppStandard": "gnu++17",
+ "intelliSenseMode": "linux-gcc-x64"
+ }
+ ],
+ "version": 4
+}
\ No newline at end of file
--- /dev/null
+{
+ "files.associations": {
+ "array": "cpp",
+ "atomic": "cpp",
+ "bit": "cpp",
+ "*.tcc": "cpp",
+ "bitset": "cpp",
+ "cctype": "cpp",
+ "charconv": "cpp",
+ "chrono": "cpp",
+ "clocale": "cpp",
+ "cmath": "cpp",
+ "codecvt": "cpp",
+ "compare": "cpp",
+ "concepts": "cpp",
+ "condition_variable": "cpp",
+ "cstdarg": "cpp",
+ "cstddef": "cpp",
+ "cstdint": "cpp",
+ "cstdio": "cpp",
+ "cstdlib": "cpp",
+ "cstring": "cpp",
+ "ctime": "cpp",
+ "cwchar": "cpp",
+ "cwctype": "cpp",
+ "deque": "cpp",
+ "map": "cpp",
+ "string": "cpp",
+ "unordered_map": "cpp",
+ "vector": "cpp",
+ "exception": "cpp",
+ "algorithm": "cpp",
+ "functional": "cpp",
+ "iterator": "cpp",
+ "memory": "cpp",
+ "memory_resource": "cpp",
+ "numeric": "cpp",
+ "optional": "cpp",
+ "random": "cpp",
+ "ratio": "cpp",
+ "regex": "cpp",
+ "source_location": "cpp",
+ "string_view": "cpp",
+ "system_error": "cpp",
+ "tuple": "cpp",
+ "type_traits": "cpp",
+ "utility": "cpp",
+ "fstream": "cpp",
+ "future": "cpp",
+ "initializer_list": "cpp",
+ "iomanip": "cpp",
+ "iosfwd": "cpp",
+ "iostream": "cpp",
+ "istream": "cpp",
+ "limits": "cpp",
+ "mutex": "cpp",
+ "new": "cpp",
+ "numbers": "cpp",
+ "ostream": "cpp",
+ "semaphore": "cpp",
+ "span": "cpp",
+ "sstream": "cpp",
+ "stdexcept": "cpp",
+ "stop_token": "cpp",
+ "streambuf": "cpp",
+ "thread": "cpp",
+ "typeinfo": "cpp",
+ "variant": "cpp",
+ "stdint.h": "c",
+ "spi.h": "c"
+ },
+ "C_Cpp.errorSquiggles": "enabled"
+}
\ No newline at end of file
cmake_minimum_required(VERSION 3.11)
-project(client VERSION 0.1.0 LANGUAGES CXX)
+project(client VERSION 0.1.0 LANGUAGES CXX C)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_SOURCE_DIR}/bin)
also want to create mavlink base server using mavproxy
ufw for firewall
+
+compiled wiringpi from source
\ No newline at end of file
add_executable(click_reader
main.cpp
+ #accel_click.cpp
+ #baro_click.cpp
+ bmp280.c
+ bmp280_support.c
+ spi.c
)
target_include_directories(click_reader PRIVATE include)
target_link_libraries(click_reader PRIVATE MAVLink)
target_link_libraries(click_reader PRIVATE spdlog::spdlog)
+target_link_libraries(click_reader PRIVATE wiringPi)
target_include_directories(click_reader PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/../include)
--- /dev/null
+#include "accel_click.h"\r
+\r
+#include <spi.h>\r
+\r
+static std::shared_ptr<spdlog::logger> logger;\r
+\r
+static const cs_t CHIP_SELECT = CS_0;\r
+\r
+err_t c6dofimu17::init(std::shared_ptr<spdlog::logger> logg)\r
+{\r
+ logger = logg;\r
+\r
+ return spi_init(logg);\r
+}\r
+\r
+err_t c6dofimu17::close()\r
+{\r
+ return spi_close();;\r
+}\r
+\r
+float c6dofimu17::read_temp()\r
+{\r
+ return 0;\r
+}
\ No newline at end of file
--- /dev/null
+/*
+****************************************************************************
+* Copyright (C) 2012 - 2014 Bosch Sensortec GmbH
+*
+* File : bmp280.h
+*
+* Date : 2014/12/12
+*
+* Revision : 2.0.3(Pressure and Temperature compensation code revision is 1.1)
+*
+* Usage: Sensor Driver for BMP280 sensor
+*
+****************************************************************************
+*
+* \section License
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are met:
+*
+* Redistributions of source code must retain the above copyright
+* notice, this list of conditions and the following disclaimer.
+*
+* Redistributions in binary form must reproduce the above copyright
+* notice, this list of conditions and the following disclaimer in the
+* documentation and/or other materials provided with the distribution.
+*
+* Neither the name of the copyright holder nor the names of the
+* contributors may be used to endorse or promote products derived from
+* this software without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+* DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDER
+* OR CONTRIBUTORS BE LIABLE FOR ANY
+* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+* OR CONSEQUENTIAL DAMAGES(INCLUDING, BUT NOT LIMITED TO,
+* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+* ANY WAY OUT OF THE USE OF THIS
+* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
+*
+* The information provided is believed to be accurate and reliable.
+* The copyright holder assumes no responsibility
+* for the consequences of use
+* of such information nor for any infringement of patents or
+* other rights of third parties which may result from its use.
+* No license is granted by implication or otherwise under any patent or
+* patent rights of the copyright holder.
+**************************************************************************/
+#include "bmp280.h"
+static struct bmp280_t *p_bmp280; /**< pointer to BMP280 */
+
+/*!
+ * @brief This function is used for initialize
+ * the bus read and bus write functions
+ * and assign the chip id and I2C address of the BMP280 sensor
+ * chip id is read in the register 0xD0 bit from 0 to 7
+ *
+ * @param *bmp280 structure pointer.
+ *
+ * @note While changing the parameter of the p_bmp280
+ * @note consider the following point:
+ * Changing the reference value of the parameter
+ * will changes the local copy or local reference
+ * make sure your changes will not
+ * affect the reference value of the parameter
+ * (Better case don't change the reference value of the parameter)
+ *
+ *
+ *
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_init(struct bmp280_t *bmp280)
+{
+ /* variable used to return communication result*/
+ BMP280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
+ u8 v_data_u8 = BMP280_ZERO_U8X;
+ p_bmp280 = bmp280;/* assign BMP280 ptr */
+ /* read chip id */
+ com_rslt = p_bmp280->BMP280_BUS_READ_FUNC(p_bmp280->dev_addr,
+ BMP280_CHIP_ID_REG, &v_data_u8, BMP280_ONE_U8X);/* read Chip Id */
+ p_bmp280->chip_id = v_data_u8;
+ /* readout bmp280 calibparam structure */
+ com_rslt += bmp280_get_calib_param();
+ return com_rslt;
+}
+/*!
+ * @brief This API is used to read uncompensated temperature
+ * in the registers 0xFA, 0xFB and 0xFC
+ * @note 0xFA -> MSB -> bit from 0 to 7
+ * @note 0xFB -> LSB -> bit from 0 to 7
+ * @note 0xFC -> LSB -> bit from 4 to 7
+ *
+ * @param v_uncomp_temperature_s32 : The uncompensated temperature.
+ *
+ *
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_read_uncomp_temperature(
+s32 *v_uncomp_temperature_s32)
+{
+ /* variable used to return communication result*/
+ BMP280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
+ /* Array holding the MSB and LSb value
+ a_data_u8r[0] - Temperature MSB
+ a_data_u8r[1] - Temperature LSB
+ a_data_u8r[2] - Temperature LSB
+ */
+ u8 a_data_u8r[ARRAY_SIZE_THREE] = {
+ BMP280_ZERO_U8X, BMP280_ZERO_U8X, BMP280_ZERO_U8X};
+ /* check the p_bmp280 struct pointer as NULL*/
+ if (p_bmp280 == BMP280_NULL) {
+ return E_BMP280_NULL_PTR;
+ } else {
+ /* read temperature data */
+ com_rslt = p_bmp280->BMP280_BUS_READ_FUNC(
+ p_bmp280->dev_addr,
+ BMP280_TEMPERATURE_MSB_REG,
+ a_data_u8r, BMP280_THREE_U8X);
+ *v_uncomp_temperature_s32 = (s32)(((
+ (u32) (a_data_u8r[INDEX_ZERO]))
+ << SHIFT_LEFT_12_POSITION) |
+ (((u32)(a_data_u8r[INDEX_ONE]))
+ << SHIFT_LEFT_4_POSITION)
+ | ((u32)a_data_u8r[INDEX_TWO]
+ >> SHIFT_RIGHT_4_POSITION));
+ }
+ return com_rslt;
+}
+/*!
+ * @brief Reads actual temperature
+ * from uncompensated temperature
+ * @note Returns the value in 0.01 degree Centigrade
+ * @note Output value of "5123" equals 51.23 DegC.
+ *
+ *
+ *
+ * @param v_uncomp_temperature_s32 : value of uncompensated temperature
+ *
+ *
+ *
+ * @return Actual temperature output as s32
+ *
+*/
+s32 bmp280_compensate_T_int32(s32 v_uncomp_temperature_s32)
+{
+ s32 v_x1_u32r = BMP280_ZERO_U8X;
+ s32 v_x2_u32r = BMP280_ZERO_U8X;
+ s32 temperature = BMP280_ZERO_U8X;
+ /* calculate true temperature*/
+ v_x1_u32r = ((((v_uncomp_temperature_s32
+ >> SHIFT_RIGHT_3_POSITION) - ((s32)
+ p_bmp280->calib_param.dig_T1 << SHIFT_LEFT_1_POSITION))) *
+ ((s32)p_bmp280->calib_param.dig_T2))
+ >> SHIFT_RIGHT_11_POSITION;
+ v_x2_u32r = (((((v_uncomp_temperature_s32
+ >> SHIFT_RIGHT_4_POSITION) -
+ ((s32)p_bmp280->calib_param.dig_T1)) *
+ ((v_uncomp_temperature_s32 >> SHIFT_RIGHT_4_POSITION) -
+ ((s32)p_bmp280->calib_param.dig_T1)))
+ >> SHIFT_RIGHT_12_POSITION) *
+ ((s32)p_bmp280->calib_param.dig_T3))
+ >> SHIFT_RIGHT_14_POSITION;
+ p_bmp280->calib_param.t_fine = v_x1_u32r + v_x2_u32r;
+ temperature = (p_bmp280->calib_param.t_fine *
+ BMP20_DEC_TRUE_TEMP_FIVE_DATA
+ + BMP20_DEC_TRUE_TEMP_ONE_TWO_EIGHT_DATA)
+ >> SHIFT_RIGHT_8_POSITION;
+
+ return temperature;
+}
+/*!
+ * @brief This API is used to read uncompensated pressure.
+ * in the registers 0xF7, 0xF8 and 0xF9
+ * @note 0xF7 -> MSB -> bit from 0 to 7
+ * @note 0xF8 -> LSB -> bit from 0 to 7
+ * @note 0xF9 -> LSB -> bit from 4 to 7
+ *
+ *
+ *
+ * @param v_uncomp_pressure_s32 : The value of uncompensated pressure
+ *
+ *
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_read_uncomp_pressure(
+s32 *v_uncomp_pressure_s32)
+{
+ /* variable used to return communication result*/
+ BMP280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
+ /* Array holding the MSB and LSb value
+ a_data_u8[0] - Pressure MSB
+ a_data_u8[1] - Pressure LSB
+ a_data_u8[2] - Pressure LSB
+ */
+ u8 a_data_u8[ARRAY_SIZE_THREE] = {
+ BMP280_ZERO_U8X, BMP280_ZERO_U8X, BMP280_ZERO_U8X};
+ /* check the p_bmp280 struct pointer as NULL*/
+ if (p_bmp280 == BMP280_NULL) {
+ return E_BMP280_NULL_PTR;
+ } else {
+ com_rslt = p_bmp280->BMP280_BUS_READ_FUNC(
+ p_bmp280->dev_addr,
+ BMP280_PRESSURE_MSB_REG,
+ a_data_u8, BMP280_THREE_U8X);
+ *v_uncomp_pressure_s32 = (s32)(
+ (((u32)(a_data_u8[INDEX_ZERO]))
+ << SHIFT_LEFT_12_POSITION) |
+ (((u32)(a_data_u8[INDEX_ONE]))
+ << SHIFT_LEFT_4_POSITION) |
+ ((u32)a_data_u8[INDEX_TWO] >>
+ SHIFT_RIGHT_4_POSITION));
+ }
+ return com_rslt;
+}
+/*!
+ * @brief Reads actual pressure from uncompensated pressure
+ * and returns the value in Pascal(Pa)
+ * @note Output value of "96386" equals 96386 Pa =
+ * 963.86 hPa = 963.86 millibar
+ *
+ *
+ *
+ *
+ * @param v_uncomp_pressure_s32: value of uncompensated pressure
+ *
+ *
+ *
+ * @return Returns the Actual pressure out put as s32
+ *
+*/
+u32 bmp280_compensate_P_int32(s32 v_uncomp_pressure_s32)
+{
+ s32 v_x1_u32r = BMP280_ZERO_U8X;
+ s32 v_x2_u32r = BMP280_ZERO_U8X;
+ u32 v_pressure_u32 = BMP280_ZERO_U8X;
+ /* calculate true pressure*/
+ v_x1_u32r = (((s32)p_bmp280->calib_param.t_fine)
+ >> SHIFT_RIGHT_1_POSITION) -
+ (s32)BMP20_DEC_TRUE_PRESSURE_6_4_0_0_0_DATA;
+ v_x2_u32r = (((v_x1_u32r >> SHIFT_RIGHT_2_POSITION) *
+ (v_x1_u32r >> SHIFT_RIGHT_2_POSITION))
+ >> SHIFT_RIGHT_11_POSITION) *
+ ((s32)p_bmp280->calib_param.dig_P6);
+ v_x2_u32r = v_x2_u32r + ((v_x1_u32r *
+ ((s32)p_bmp280->calib_param.dig_P5))
+ << SHIFT_LEFT_1_POSITION);
+ v_x2_u32r = (v_x2_u32r >> SHIFT_RIGHT_2_POSITION) +
+ (((s32)p_bmp280->calib_param.dig_P4)
+ << SHIFT_LEFT_16_POSITION);
+ v_x1_u32r = (((p_bmp280->calib_param.dig_P3 *
+ (((v_x1_u32r >> SHIFT_RIGHT_2_POSITION) *
+ (v_x1_u32r >> SHIFT_RIGHT_2_POSITION))
+ >> SHIFT_RIGHT_13_POSITION)) >> SHIFT_RIGHT_3_POSITION) +
+ ((((s32)p_bmp280->calib_param.dig_P2) *
+ v_x1_u32r) >> SHIFT_RIGHT_1_POSITION))
+ >> SHIFT_RIGHT_18_POSITION;
+ v_x1_u32r = ((((BMP20_DEC_TRUE_PRESSURE_3_2_7_6_8_DATA
+ + v_x1_u32r)) *
+ ((s32)p_bmp280->calib_param.dig_P1))
+ >> SHIFT_RIGHT_15_POSITION);
+ v_pressure_u32 =
+ (((u32)(((s32)BMP20_DEC_TRUE_PRESSURE_1_0_4_8_5_7_6_DATA)
+ - v_uncomp_pressure_s32) -
+ (v_x2_u32r >> SHIFT_RIGHT_12_POSITION)))
+ * BMP20_DEC_TRUE_PRESSURE_3_1_2_5_DATA;
+ if (v_pressure_u32
+ < BMP20_HEX_TRUE_PRESSURE_8_0_0_0_0_0_0_0_DATA)
+ /* Avoid exception caused by division by zero */
+ if (v_x1_u32r != BMP280_ZERO_U8X)
+ v_pressure_u32 =
+ (v_pressure_u32 << SHIFT_LEFT_1_POSITION)
+ / ((u32)v_x1_u32r);
+ else
+ return BMP280_ZERO_U8X;
+ else
+ /* Avoid exception caused by division by zero */
+ if (v_x1_u32r != BMP280_ZERO_U8X)
+ v_pressure_u32 = (v_pressure_u32 /
+ (u32)v_x1_u32r)
+ * BMP20_DEC_TRUE_PRESSURE_TWO_DATA;
+ else
+ return BMP280_ZERO_U8X;
+ v_x1_u32r = (((s32)
+ p_bmp280->calib_param.dig_P9) *
+ ((s32)(((v_pressure_u32
+ >> SHIFT_RIGHT_3_POSITION)
+ * (v_pressure_u32 >> SHIFT_RIGHT_3_POSITION))
+ >> SHIFT_RIGHT_13_POSITION)))
+ >> SHIFT_RIGHT_12_POSITION;
+ v_x2_u32r = (((s32)(v_pressure_u32
+ >> SHIFT_RIGHT_2_POSITION)) *
+ ((s32)p_bmp280->calib_param.dig_P8))
+ >> SHIFT_RIGHT_13_POSITION;
+ v_pressure_u32 = (u32)
+ ((s32)v_pressure_u32 +
+ ((v_x1_u32r + v_x2_u32r +
+ p_bmp280->calib_param.dig_P7)
+ >> SHIFT_RIGHT_4_POSITION));
+
+ return v_pressure_u32;
+}
+/*!
+ * @brief reads uncompensated pressure and temperature
+ *
+ *
+ * @param v_uncomp_pressure_s32: The value of uncompensated pressure.
+ * @param v_uncomp_temperature_s32: The value of uncompensated temperature.
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_read_uncomp_pressure_temperature(
+s32 *v_uncomp_pressure_s32,
+s32 *v_uncomp_temperature_s32)
+{
+ /* variable used to return communication result*/
+ BMP280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
+ /* Array holding the temperature and pressure data
+ a_data_u8[0] - Pressure MSB
+ a_data_u8[1] - Pressure LSB
+ a_data_u8[2] - Pressure LSB
+ a_data_u8[3] - Temperature MSB
+ a_data_u8[4] - Temperature LSB
+ a_data_u8[5] - Temperature LSB
+ */
+ u8 a_data_u8[ARRAY_SIZE_SIX] = {BMP280_ZERO_U8X, BMP280_ZERO_U8X,
+ BMP280_ZERO_U8X, BMP280_ZERO_U8X,
+ BMP280_ZERO_U8X, BMP280_ZERO_U8X};
+ /* check the p_bmp280 struct pointer as NULL*/
+ if (p_bmp280 == BMP280_NULL) {
+ return E_BMP280_NULL_PTR;
+ } else {
+ com_rslt = p_bmp280->BMP280_BUS_READ_FUNC(
+ p_bmp280->dev_addr,
+ BMP280_PRESSURE_MSB_REG, a_data_u8, BMP280_SIX_U8X);
+ /*Pressure*/
+ *v_uncomp_pressure_s32 = (s32)(
+ (((u32)(a_data_u8[INDEX_ZERO]))
+ << SHIFT_LEFT_12_POSITION) |
+ (((u32)(a_data_u8[INDEX_ONE]))
+ << SHIFT_LEFT_4_POSITION) |
+ ((u32)a_data_u8[INDEX_TWO] >>
+ SHIFT_RIGHT_4_POSITION));
+
+ /* Temperature */
+ *v_uncomp_temperature_s32 = (s32)(((
+ (u32) (a_data_u8[INDEX_THREE]))
+ << SHIFT_LEFT_12_POSITION) |
+ (((u32)(a_data_u8[INDEX_FOUR]))
+ << SHIFT_LEFT_4_POSITION)
+ | ((u32)a_data_u8[INDEX_FIVE]
+ >> SHIFT_RIGHT_4_POSITION));
+ }
+ return com_rslt;
+}
+/*!
+ * @brief This API reads the true pressure and temperature
+ *
+ *
+ * @param v_pressure_u32 : The value of compensated pressure.
+ * @param v_temperature_s32 : The value of compensated temperature.
+ *
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_read_pressure_temperature(
+u32 *v_pressure_u32,
+s32 *v_temperature_s32)
+{
+ /* variable used to return communication result*/
+ BMP280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
+ s32 v_uncomp_pressure_s32 = BMP280_ZERO_U8X;
+ s32 v_uncomp_temperature_s32 = BMP280_ZERO_U8X;
+ /* check the p_bmp280 struct pointer as NULL*/
+ if (p_bmp280 == BMP280_NULL) {
+ return E_BMP280_NULL_PTR;
+ } else {
+ /* read uncompensated pressure and temperature*/
+ com_rslt = bmp280_read_uncomp_pressure_temperature(
+ &v_uncomp_pressure_s32, &v_uncomp_temperature_s32);
+ /* read trure pressure and temperature*/
+ *v_temperature_s32 = bmp280_compensate_T_int32(
+ v_uncomp_temperature_s32);
+ *v_pressure_u32 = bmp280_compensate_P_int32(
+ v_uncomp_pressure_s32);
+ }
+ return com_rslt;
+}
+/*!
+ * @brief This API is used to
+ * calibration parameters used for calculation in the registers
+ *
+ * parameter | Register address | bit
+ *------------|------------------|----------------
+ * dig_T1 | 0x88 and 0x89 | from 0 : 7 to 8: 15
+ * dig_T2 | 0x8A and 0x8B | from 0 : 7 to 8: 15
+ * dig_T3 | 0x8C and 0x8D | from 0 : 7 to 8: 15
+ * dig_P1 | 0x8E and 0x8F | from 0 : 7 to 8: 15
+ * dig_P2 | 0x90 and 0x91 | from 0 : 7 to 8: 15
+ * dig_P3 | 0x92 and 0x93 | from 0 : 7 to 8: 15
+ * dig_P4 | 0x94 and 0x95 | from 0 : 7 to 8: 15
+ * dig_P5 | 0x96 and 0x97 | from 0 : 7 to 8: 15
+ * dig_P6 | 0x98 and 0x99 | from 0 : 7 to 8: 15
+ * dig_P7 | 0x9A and 0x9B | from 0 : 7 to 8: 15
+ * dig_P8 | 0x9C and 0x9D | from 0 : 7 to 8: 15
+ * dig_P9 | 0x9E and 0x9F | from 0 : 7 to 8: 15
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_get_calib_param()
+{
+ /* variable used to return communication result*/
+ BMP280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
+ u8 a_data_u8[ARRAY_SIZE_TWENTY_SIX] = {
+ BMP280_ZERO_U8X, BMP280_ZERO_U8X,
+ BMP280_ZERO_U8X, BMP280_ZERO_U8X, BMP280_ZERO_U8X,
+ BMP280_ZERO_U8X, BMP280_ZERO_U8X, BMP280_ZERO_U8X,
+ BMP280_ZERO_U8X, BMP280_ZERO_U8X, BMP280_ZERO_U8X,
+ BMP280_ZERO_U8X, BMP280_ZERO_U8X, BMP280_ZERO_U8X,
+ BMP280_ZERO_U8X, BMP280_ZERO_U8X, BMP280_ZERO_U8X,
+ BMP280_ZERO_U8X, BMP280_ZERO_U8X, BMP280_ZERO_U8X,
+ BMP280_ZERO_U8X, BMP280_ZERO_U8X, BMP280_ZERO_U8X,
+ BMP280_ZERO_U8X, BMP280_ZERO_U8X, BMP280_ZERO_U8X};
+ /* check the p_bmp280 struct pointer as NULL*/
+ if (p_bmp280 == BMP280_NULL) {
+ return E_BMP280_NULL_PTR;
+ } else {
+ com_rslt = p_bmp280->BMP280_BUS_READ_FUNC(
+ p_bmp280->dev_addr,
+ BMP280_DIG_T1_LSB_REG,
+ a_data_u8, BMP280_TWENTY_FOUR_U8X);
+ /* read calibration values*/
+ p_bmp280->calib_param.dig_T1 = (u16)(((
+ (u16)((u8)a_data_u8[INDEX_ONE])) <<
+ SHIFT_LEFT_8_POSITION) | a_data_u8[INDEX_ZERO]);
+ p_bmp280->calib_param.dig_T2 = (s16)(((
+ (s16)((s8)a_data_u8[INDEX_THREE])) <<
+ SHIFT_LEFT_8_POSITION) | a_data_u8[INDEX_TWO]);
+ p_bmp280->calib_param.dig_T3 = (s16)(((
+ (s16)((s8)a_data_u8[INDEX_FIVE])) <<
+ SHIFT_LEFT_8_POSITION) | a_data_u8[INDEX_FOUR]);
+ p_bmp280->calib_param.dig_P1 = (u16)(((
+ (u16)((u8)a_data_u8[INDEX_SEVEN])) <<
+ SHIFT_LEFT_8_POSITION) | a_data_u8[INDEX_SIX]);
+ p_bmp280->calib_param.dig_P2 = (s16)(((
+ (s16)((s8)a_data_u8[INDEX_NINE])) <<
+ SHIFT_LEFT_8_POSITION) | a_data_u8[INDEX_EIGHT]);
+ p_bmp280->calib_param.dig_P3 = (s16)(((
+ (s16)((s8)a_data_u8[INDEX_ELEVEN])) <<
+ SHIFT_LEFT_8_POSITION) | a_data_u8[INDEX_TEN]);
+ p_bmp280->calib_param.dig_P4 = (s16)(((
+ (s16)((s8)a_data_u8[INDEX_THIRTEEN])) <<
+ SHIFT_LEFT_8_POSITION) | a_data_u8[INDEX_TWELVE]);
+ p_bmp280->calib_param.dig_P5 = (s16)(((
+ (s16)((s8)a_data_u8[INDEX_FIVETEEN])) <<
+ SHIFT_LEFT_8_POSITION) | a_data_u8[INDEX_FOURTEEN]);
+ p_bmp280->calib_param.dig_P6 = (s16)(((
+ (s16)((s8)a_data_u8[INDEX_SEVENTEEN])) <<
+ SHIFT_LEFT_8_POSITION) | a_data_u8[INDEX_SIXTEEN]);
+ p_bmp280->calib_param.dig_P7 = (s16)(((
+ (s16)((s8)a_data_u8[INDEX_NINETEEN])) <<
+ SHIFT_LEFT_8_POSITION) | a_data_u8[INDEX_EIGHTEEN]);
+ p_bmp280->calib_param.dig_P8 = (s16)(((
+ (s16)((s8)a_data_u8[INDEX_TWENTY_ONE])) <<
+ SHIFT_LEFT_8_POSITION) | a_data_u8[INDEX_TWENTY]);
+ p_bmp280->calib_param.dig_P9 = (s16)(((
+ (s16)((s8)a_data_u8[INDEX_TWENTY_THREE])) <<
+ SHIFT_LEFT_8_POSITION) | a_data_u8[INDEX_TWENTY_TWO]);
+ }
+ return com_rslt;
+}
+/*!
+ * @brief This API is used to get
+ * the temperature oversampling setting in the register 0xF4
+ * bits from 5 to 7
+ *
+ * value | Temperature oversampling
+ * ------------------------|------------------------------
+ * 0x00 | Skipped
+ * 0x01 | BMP280_OVERSAMP_1X
+ * 0x02 | BMP280_OVERSAMP_2X
+ * 0x03 | BMP280_OVERSAMP_4X
+ * 0x04 | BMP280_OVERSAMP_8X
+ * 0x05,0x06 and 0x07 | BMP280_OVERSAMP_16X
+ *
+ *
+ * @param v_value_u8 :The value of temperature over sampling
+ *
+ *
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_get_oversamp_temperature(
+u8 *v_value_u8)
+{
+ /* variable used to return communication result*/
+ BMP280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
+ u8 v_data_u8 = BMP280_ZERO_U8X;
+ /* check the p_bmp280 struct pointer as NULL*/
+ if (p_bmp280 == BMP280_NULL) {
+ return E_BMP280_NULL_PTR;
+ } else {
+ /* read temperature over sampling*/
+ com_rslt = p_bmp280->BMP280_BUS_READ_FUNC(
+ p_bmp280->dev_addr,
+ BMP280_CTRL_MEAS_REG_OVERSAMP_TEMPERATURE__REG,
+ &v_data_u8, BMP280_ONE_U8X);
+ *v_value_u8 = BMP280_GET_BITSLICE(v_data_u8,
+ BMP280_CTRL_MEAS_REG_OVERSAMP_TEMPERATURE);
+ /* assign temperature oversampling*/
+ p_bmp280->oversamp_temperature = *v_value_u8;
+ }
+ return com_rslt;
+}
+/*!
+ * @brief This API is used to set
+ * the temperature oversampling setting in the register 0xF4
+ * bits from 5 to 7
+ *
+ * value | Temperature oversampling
+ * ------------------------|------------------------------
+ * 0x00 | Skipped
+ * 0x01 | BMP280_OVERSAMP_1X
+ * 0x02 | BMP280_OVERSAMP_2X
+ * 0x03 | BMP280_OVERSAMP_4X
+ * 0x04 | BMP280_OVERSAMP_8X
+ * 0x05,0x06 and 0x07 | BMP280_OVERSAMP_16X
+ *
+ *
+ * @param v_value_u8 :The value of temperature over sampling
+ *
+ *
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_set_oversamp_temperature(
+u8 v_value_u8)
+{
+ /* variable used to return communication result*/
+ BMP280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
+ u8 v_data_u8 = BMP280_ZERO_U8X;
+ /* check the p_bmp280 struct pointer as NULL*/
+ if (p_bmp280 == BMP280_NULL) {
+ return E_BMP280_NULL_PTR;
+ } else {
+ com_rslt = p_bmp280->BMP280_BUS_READ_FUNC(
+ p_bmp280->dev_addr,
+ BMP280_CTRL_MEAS_REG_OVERSAMP_TEMPERATURE__REG,
+ &v_data_u8, BMP280_ONE_U8X);
+ if (com_rslt == SUCCESS) {
+ /* write over sampling*/
+ v_data_u8 =
+ BMP280_SET_BITSLICE(v_data_u8,
+ BMP280_CTRL_MEAS_REG_OVERSAMP_TEMPERATURE,
+ v_value_u8);
+ com_rslt +=
+ p_bmp280->BMP280_BUS_WRITE_FUNC(
+ p_bmp280->dev_addr,
+ BMP280_CTRL_MEAS_REG_OVERSAMP_TEMPERATURE__REG,
+ &v_data_u8, BMP280_ONE_U8X);
+ p_bmp280->oversamp_temperature = v_value_u8;
+ }
+ }
+ return com_rslt;
+}
+/*!
+ * @brief This API is used to get
+ * the pressure oversampling setting in the register 0xF4
+ * bits from 2 to 4
+ *
+ * value | Pressure oversampling
+ * ------------------------|------------------------------
+ * 0x00 | Skipped
+ * 0x01 | BMP280_OVERSAMP_1X
+ * 0x02 | BMP280_OVERSAMP_2X
+ * 0x03 | BMP280_OVERSAMP_4X
+ * 0x04 | BMP280_OVERSAMP_8X
+ * 0x05,0x06 and 0x07 | BMP280_OVERSAMP_16X
+ *
+ *
+ * @param v_value_u8 : The value of pressure over sampling
+ *
+ *
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_get_oversamp_pressure(
+u8 *v_value_u8)
+{
+ /* variable used to return communication result*/
+ BMP280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
+ u8 v_data_u8 = BMP280_ZERO_U8X;
+ /* check the p_bmp280 struct pointer as NULL*/
+ if (p_bmp280 == BMP280_NULL) {
+ return E_BMP280_NULL_PTR;
+ } else {
+ /* read pressure over sampling */
+ com_rslt = p_bmp280->BMP280_BUS_READ_FUNC(
+ p_bmp280->dev_addr,
+ BMP280_CTRL_MEAS_REG_OVERSAMP_PRESSURE__REG,
+ &v_data_u8, BMP280_ONE_U8X);
+ *v_value_u8 = BMP280_GET_BITSLICE(v_data_u8,
+ BMP280_CTRL_MEAS_REG_OVERSAMP_PRESSURE);
+
+ p_bmp280->oversamp_pressure = *v_value_u8;
+ }
+ return com_rslt;
+}
+/*!
+ * @brief This API is used to set
+ * the pressure oversampling setting in the register 0xF4
+ * bits from 2 to 4
+ *
+ * value | Pressure oversampling
+ * ------------------------|------------------------------
+ * 0x00 | Skipped
+ * 0x01 | BMP280_OVERSAMP_1X
+ * 0x02 | BMP280_OVERSAMP_2X
+ * 0x03 | BMP280_OVERSAMP_4X
+ * 0x04 | BMP280_OVERSAMP_8X
+ * 0x05,0x06 and 0x07 | BMP280_OVERSAMP_16X
+ *
+ *
+ * @param v_value_u8 : The value of pressure over sampling
+ *
+ *
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_set_oversamp_pressure(
+u8 v_value_u8)
+{
+ /* variable used to return communication result*/
+ BMP280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
+ u8 v_data_u8 = BMP280_ZERO_U8X;
+ /* check the p_bmp280 struct pointer as NULL*/
+ if (p_bmp280 == BMP280_NULL) {
+ return E_BMP280_NULL_PTR;
+ } else {
+ com_rslt = p_bmp280->BMP280_BUS_READ_FUNC(
+ p_bmp280->dev_addr,
+ BMP280_CTRL_MEAS_REG_OVERSAMP_PRESSURE__REG,
+ &v_data_u8, BMP280_ONE_U8X);
+ if (com_rslt == SUCCESS) {
+ /* write pressure over sampling */
+ v_data_u8 = BMP280_SET_BITSLICE(
+ v_data_u8,
+ BMP280_CTRL_MEAS_REG_OVERSAMP_PRESSURE,
+ v_value_u8);
+ com_rslt +=
+ p_bmp280->BMP280_BUS_WRITE_FUNC(
+ p_bmp280->dev_addr,
+ BMP280_CTRL_MEAS_REG_OVERSAMP_PRESSURE__REG,
+ &v_data_u8, BMP280_ONE_U8X);
+
+ p_bmp280->oversamp_pressure = v_value_u8;
+ }
+ }
+ return com_rslt;
+}
+/*!
+ * @brief This API used to get the
+ * Operational Mode from the sensor in the register 0xF4 bit 0 and 1
+ *
+ *
+ *
+ * @param v_power_mode_u8 : The value of power mode value
+ * value | Power mode
+ * ------------------|------------------
+ * 0x00 | BMP280_SLEEP_MODE
+ * 0x01 and 0x02 | BMP280_FORCED_MODE
+ * 0x03 | BMP280_NORMAL_MODE
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_get_power_mode(u8 *v_power_mode_u8)
+{
+ /* variable used to return communication result*/
+ BMP280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
+ u8 v_mode_u8 = BMP280_ZERO_U8X;
+ /* check the p_bmp280 struct pointer as NULL*/
+ if (p_bmp280 == BMP280_NULL) {
+ return E_BMP280_NULL_PTR;
+ } else {
+ /* read the power mode*/
+ com_rslt = p_bmp280->BMP280_BUS_READ_FUNC(
+ p_bmp280->dev_addr,
+ BMP280_CTRL_MEAS_REG_POWER_MODE__REG,
+ &v_mode_u8, BMP280_ONE_U8X);
+ *v_power_mode_u8 = BMP280_GET_BITSLICE(v_mode_u8,
+ BMP280_CTRL_MEAS_REG_POWER_MODE);
+ }
+ return com_rslt;
+}
+/*!
+ * @brief This API used to set the
+ * Operational Mode from the sensor in the register 0xF4 bit 0 and 1
+ *
+ *
+ *
+ * @param v_power_mode_u8 : The value of power mode value
+ * value | Power mode
+ * ------------------|------------------
+ * 0x00 | BMP280_SLEEP_MODE
+ * 0x01 and 0x02 | BMP280_FORCED_MODE
+ * 0x03 | BMP280_NORMAL_MODE
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_set_power_mode(u8 v_power_mode_u8)
+{
+ /* variable used to return communication result*/
+ BMP280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
+ u8 v_mode_u8 = BMP280_ZERO_U8X;
+ /* check the p_bmp280 struct pointer as NULL*/
+ if (p_bmp280 == BMP280_NULL) {
+ return E_BMP280_NULL_PTR;
+ } else {
+ if (v_power_mode_u8 < BMP280_FOUR_U8X) {
+ /* write the power mode*/
+ v_mode_u8 = (p_bmp280->oversamp_temperature <<
+ SHIFT_LEFT_5_POSITION) +
+ (p_bmp280->oversamp_pressure <<
+ SHIFT_LEFT_2_POSITION) + v_power_mode_u8;
+ com_rslt = p_bmp280->BMP280_BUS_WRITE_FUNC(
+ p_bmp280->dev_addr,
+ BMP280_CTRL_MEAS_REG_POWER_MODE__REG,
+ &v_mode_u8, BMP280_ONE_U8X);
+ } else {
+ com_rslt = E_BMP280_OUT_OF_RANGE;
+ }
+ }
+ return com_rslt;
+}
+/*!
+ * @brief Used to reset the sensor
+ * The value 0xB6 is written to the 0xE0 register
+ * the device is reset using the
+ * complete power-on-reset procedure.
+ * Softreset can be easily set using bmp280_set_softreset().
+ *
+ * @note Usage Hint : bmp280_set_softreset()
+ *
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_set_soft_rst()
+{
+ /* variable used to return communication result*/
+ BMP280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
+ u8 v_data_u8 = BMP280_SOFT_RESET_CODE;
+ /* check the p_bmp280 struct pointer as NULL*/
+ if (p_bmp280 == BMP280_NULL) {
+ return E_BMP280_NULL_PTR;
+ } else {
+ /* write soft reset */
+ com_rslt = p_bmp280->BMP280_BUS_WRITE_FUNC(
+ p_bmp280->dev_addr,
+ BMP280_RST_REG, &v_data_u8, BMP280_ONE_U8X);
+ }
+ return com_rslt;
+}
+/*!
+ * @brief This API used to get the sensor
+ * SPI mode(communication type) in the register 0xF5 bit 0
+ *
+ *
+ *
+ * @param v_enable_disable_u8 : The spi3 enable or disable state
+ * value | Description
+ * -----------|---------------
+ * 0 | Disable
+ * 1 | Enable
+ *
+ *
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_get_spi3(u8 *v_enable_disable_u8)
+{
+ /* variable used to return communication result*/
+ BMP280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
+ u8 v_data_u8 = BMP280_ZERO_U8X;
+ /* check the p_bmp280 struct pointer as NULL*/
+ if (p_bmp280 == BMP280_NULL) {
+ return E_BMP280_NULL_PTR;
+ } else {
+ com_rslt = p_bmp280->BMP280_BUS_READ_FUNC(
+ p_bmp280->dev_addr,
+ BMP280_CONFIG_REG_SPI3_ENABLE__REG,
+ &v_data_u8, BMP280_ONE_U8X);
+ *v_enable_disable_u8 = BMP280_GET_BITSLICE(
+ v_data_u8,
+ BMP280_CONFIG_REG_SPI3_ENABLE);
+ }
+ return com_rslt;
+}
+/*!
+ * @brief This API used to set the sensor
+ * SPI mode(communication type) in the register 0xF5 bit 0
+ *
+ *
+ *
+ * @param v_enable_disable_u8 : The spi3 enable or disable state
+ * value | Description
+ * -----------|---------------
+ * 0 | Disable
+ * 1 | Enable
+ *
+ *
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_set_spi3(u8 v_enable_disable_u8)
+{
+ /* variable used to return communication result*/
+ BMP280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
+ u8 v_data_u8 = BMP280_ZERO_U8X;
+ /* check the p_bmp280 struct pointer as NULL*/
+ if (p_bmp280 == BMP280_NULL) {
+ return E_BMP280_NULL_PTR;
+ } else {
+ com_rslt = p_bmp280->BMP280_BUS_READ_FUNC(
+ p_bmp280->dev_addr,
+ BMP280_CONFIG_REG_SPI3_ENABLE__REG,
+ &v_data_u8, BMP280_ONE_U8X);
+ if (com_rslt == SUCCESS) {
+ v_data_u8 = BMP280_SET_BITSLICE(
+ v_data_u8,
+ BMP280_CONFIG_REG_SPI3_ENABLE,
+ v_enable_disable_u8);
+ com_rslt +=
+ p_bmp280->BMP280_BUS_WRITE_FUNC(
+ p_bmp280->dev_addr,
+ BMP280_CONFIG_REG_SPI3_ENABLE__REG,
+ &v_data_u8, BMP280_ONE_U8X);
+ }
+ }
+ return com_rslt;
+}
+/*!
+ * @brief This API is used to reads filter setting
+ * in the register 0xF5 bit 3 and 4
+ *
+ *
+ *
+ * @param v_value_u8 : The value of filter coefficient
+ * value | Filter coefficient
+ * -------------|-------------------------
+ * 0x00 | BMP280_FILTER_COEFF_OFF
+ * 0x01 | BMP280_FILTER_COEFF_2
+ * 0x02 | BMP280_FILTER_COEFF_4
+ * 0x03 | BMP280_FILTER_COEFF_8
+ * 0x04 | BMP280_FILTER_COEFF_16
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_get_filter(u8 *v_value_u8)
+{
+ /* variable used to return communication result*/
+ BMP280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
+ u8 v_data_u8 = BMP280_ZERO_U8X;
+ /* check the p_bmp280 struct pointer as NULL*/
+ if (p_bmp280 == BMP280_NULL) {
+ return E_BMP280_NULL_PTR;
+ } else {
+ /* read filter*/
+ com_rslt = p_bmp280->BMP280_BUS_READ_FUNC(
+ p_bmp280->dev_addr,
+ BMP280_CONFIG_REG_FILTER__REG,
+ &v_data_u8, BMP280_ONE_U8X);
+ *v_value_u8 = BMP280_GET_BITSLICE(v_data_u8,
+ BMP280_CONFIG_REG_FILTER);
+ }
+ return com_rslt;
+}
+/*!
+ * @brief This API is used to write filter setting
+ * in the register 0xF5 bit 3 and 4
+ *
+ *
+ *
+ * @param v_value_u8 : The value of filter coefficient
+ * value | Filter coefficient
+ * -------------|-------------------------
+ * 0x00 | BMP280_FILTER_COEFF_OFF
+ * 0x01 | BMP280_FILTER_COEFF_2
+ * 0x02 | BMP280_FILTER_COEFF_4
+ * 0x03 | BMP280_FILTER_COEFF_8
+ * 0x04 | BMP280_FILTER_COEFF_16
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_set_filter(u8 v_value_u8)
+{
+ BMP280_RETURN_FUNCTION_TYPE com_rslt = SUCCESS;
+ u8 v_data_u8 = BMP280_ZERO_U8X;
+ /* check the p_bmp280 struct pointer as NULL*/
+ if (p_bmp280 == BMP280_NULL) {
+ return E_BMP280_NULL_PTR;
+ } else {
+ /* write filter*/
+ com_rslt = p_bmp280->BMP280_BUS_READ_FUNC(
+ p_bmp280->dev_addr,
+ BMP280_CONFIG_REG_FILTER__REG,
+ &v_data_u8, BMP280_ONE_U8X);
+ if (com_rslt == SUCCESS) {
+ v_data_u8 = BMP280_SET_BITSLICE(
+ v_data_u8,
+ BMP280_CONFIG_REG_FILTER, v_value_u8);
+ com_rslt +=
+ p_bmp280->BMP280_BUS_WRITE_FUNC(
+ p_bmp280->dev_addr,
+ BMP280_CONFIG_REG_FILTER__REG,
+ &v_data_u8, BMP280_ONE_U8X);
+ }
+ }
+ return com_rslt;
+}
+/*!
+ * @brief This API used to Read the
+ * standby duration time from the sensor in the register 0xF5 bit 5 to 7
+ *
+ * @param v_standby_durn_u8 : The standby duration time value.
+ * value | standby duration
+ * -----------|--------------------
+ * 0x00 | BMP280_STANDBYTIME_1_MS
+ * 0x01 | BMP280_STANDBYTIME_63_MS
+ * 0x02 | BMP280_STANDBYTIME_125_MS
+ * 0x03 | BMP280_STANDBYTIME_250_MS
+ * 0x04 | BMP280_STANDBYTIME_500_MS
+ * 0x05 | BMP280_STANDBYTIME_1000_MS
+ * 0x06 | BMP280_STANDBYTIME_2000_MS
+ * 0x07 | BMP280_STANDBYTIME_4000_MS
+ *
+ *
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_get_standby_durn(u8 *v_standby_durn_u8)
+{
+ /* variable used to return communication result*/
+ BMP280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
+ u8 v_data_u8 = BMP280_ZERO_U8X;
+ /* check the p_bmp280 struct pointer as NULL*/
+ if (p_bmp280 == BMP280_NULL) {
+ return E_BMP280_NULL_PTR;
+ } else {
+ /* read the standby duration*/
+ com_rslt = p_bmp280->BMP280_BUS_READ_FUNC(
+ p_bmp280->dev_addr,
+ BMP280_CONFIG_REG_STANDBY_DURN__REG,
+ &v_data_u8, BMP280_ONE_U8X);
+ *v_standby_durn_u8 = BMP280_GET_BITSLICE(v_data_u8,
+ BMP280_CONFIG_REG_STANDBY_DURN);
+ }
+ return com_rslt;
+}
+/*!
+ * @brief This API used to Read the
+ * standby duration time from the sensor
+ * in the register 0xF5 bit 5 to 7
+ * @note Normal mode comprises an
+ * automated perpetual cycling between an (active)
+ * Measurement period and an (inactive) standby period.
+ * @note The standby time is determined
+ * by the contents of the register t_sb.
+ * Standby time can be set using BME280_STANDBYTIME_125_MS.
+ *
+ * @note bme280_set_standby_durN(BME280_STANDBYTIME_125_MS)
+ *
+ *
+ *
+ * @param v_standby_durn_u8 : The standby duration time value.
+ * value | standby duration
+ * -----------|--------------------
+ * 0x00 | BMP280_STANDBYTIME_1_MS
+ * 0x01 | BMP280_STANDBYTIME_63_MS
+ * 0x02 | BMP280_STANDBYTIME_125_MS
+ * 0x03 | BMP280_STANDBYTIME_250_MS
+ * 0x04 | BMP280_STANDBYTIME_500_MS
+ * 0x05 | BMP280_STANDBYTIME_1000_MS
+ * 0x06 | BMP280_STANDBYTIME_2000_MS
+ * 0x07 | BMP280_STANDBYTIME_4000_MS
+ *
+ *
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_set_standby_durn(u8 v_standby_durn_u8)
+{
+ /* variable used to return communication result*/
+ BMP280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
+ u8 v_data_u8 = BMP280_ZERO_U8X;
+ /* check the p_bmp280 struct pointer as NULL*/
+ if (p_bmp280 == BMP280_NULL) {
+ return E_BMP280_NULL_PTR;
+ } else {
+ /* write the standby duration*/
+ com_rslt = p_bmp280->BMP280_BUS_READ_FUNC(
+ p_bmp280->dev_addr,
+ BMP280_CONFIG_REG_STANDBY_DURN__REG,
+ &v_data_u8, BMP280_ONE_U8X);
+ if (com_rslt == SUCCESS) {
+ v_data_u8 =
+ BMP280_SET_BITSLICE(v_data_u8,
+ BMP280_CONFIG_REG_STANDBY_DURN,
+ v_standby_durn_u8);
+ com_rslt +=
+ p_bmp280->BMP280_BUS_WRITE_FUNC(
+ p_bmp280->dev_addr,
+ BMP280_CONFIG_REG_STANDBY_DURN__REG,
+ &v_data_u8, BMP280_ONE_U8X);
+ }
+ }
+ return com_rslt;
+}
+/*!
+ * @brief This API is used to write
+ * the working mode of the sensor
+ *
+ *
+ * @param v_work_mode_u8 : The value of work mode
+ * value | mode
+ * -------------|-------------
+ * 0 | BMP280_ULTRA_LOW_POWER_MODE
+ * 1 | BMP280_LOW_POWER_MODE
+ * 2 | BMP280_STANDARD_RESOLUTION_MODE
+ * 3 | BMP280_HIGH_RESOLUTION_MODE
+ * 4 | BMP280_ULTRA_HIGH_RESOLUTION_MODE
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_set_work_mode(u8 v_work_mode_u8)
+{
+/* variable used to return communication result*/
+BMP280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
+u8 v_data_u8 = BMP280_ZERO_U8X;
+/* check the p_bmp280 struct pointer as NULL*/
+if (p_bmp280 == BMP280_NULL) {
+ return E_BMP280_NULL_PTR;
+} else {
+ if (v_work_mode_u8 <= BMP280_FOUR_U8X) {
+ com_rslt = p_bmp280->BMP280_BUS_READ_FUNC(
+ p_bmp280->dev_addr, BMP280_CTRL_MEAS_REG,
+ &v_data_u8, BMP280_ONE_U8X);
+ if (com_rslt == SUCCESS) {
+ switch (v_work_mode_u8) {
+ /* write work mode*/
+ case BMP280_ULTRA_LOW_POWER_MODE:
+ p_bmp280->oversamp_temperature =
+ BMP280_ULTRALOWPOWER_OVERSAMP_TEMPERATURE;
+ p_bmp280->oversamp_pressure =
+ BMP280_ULTRALOWPOWER_OVERSAMP_PRESSURE;
+ break;
+ case BMP280_LOW_POWER_MODE:
+ p_bmp280->oversamp_temperature =
+ BMP280_LOWPOWER_OVERSAMP_TEMPERATURE;
+ p_bmp280->oversamp_pressure =
+ BMP280_LOWPOWER_OVERSAMP_PRESSURE;
+ break;
+ case BMP280_STANDARD_RESOLUTION_MODE:
+ p_bmp280->oversamp_temperature =
+ BMP280_STANDARDRESOLUTION_OVERSAMP_TEMPERATURE;
+ p_bmp280->oversamp_pressure =
+ BMP280_STANDARDRESOLUTION_OVERSAMP_PRESSURE;
+ break;
+ case BMP280_HIGH_RESOLUTION_MODE:
+ p_bmp280->oversamp_temperature =
+ BMP280_HIGHRESOLUTION_OVERSAMP_TEMPERATURE;
+ p_bmp280->oversamp_pressure =
+ BMP280_HIGHRESOLUTION_OVERSAMP_PRESSURE;
+ break;
+ case BMP280_ULTRA_HIGH_RESOLUTION_MODE:
+ p_bmp280->oversamp_temperature =
+ BMP280_ULTRAHIGHRESOLUTION_OVERSAMP_TEMPERATURE;
+ p_bmp280->oversamp_pressure =
+ BMP280_ULTRAHIGHRESOLUTION_OVERSAMP_PRESSURE;
+ break;
+ }
+ v_data_u8 = BMP280_SET_BITSLICE(v_data_u8,
+ BMP280_CTRL_MEAS_REG_OVERSAMP_TEMPERATURE,
+ p_bmp280->oversamp_temperature);
+ v_data_u8 = BMP280_SET_BITSLICE(v_data_u8,
+ BMP280_CTRL_MEAS_REG_OVERSAMP_PRESSURE,
+ p_bmp280->oversamp_pressure);
+ com_rslt += p_bmp280->BMP280_BUS_WRITE_FUNC(
+ p_bmp280->dev_addr, BMP280_CTRL_MEAS_REG,
+ &v_data_u8, BMP280_ONE_U8X);
+ }
+ } else {
+ com_rslt = E_BMP280_OUT_OF_RANGE;
+ }
+}
+return com_rslt;
+}
+/*!
+ * @brief This API used to read both
+ * uncompensated pressure and temperature in forced mode
+ *
+ *
+ * @param v_uncomp_pressure_s32: The value of uncompensated pressure.
+ * @param v_uncomp_temperature_s32: The value of uncompensated temperature
+ *
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE
+bmp280_get_forced_uncomp_pressure_temperature(s32 *v_uncomp_pressure_s32,
+s32 *v_uncomp_temperature_s32)
+{
+ /* variable used to return communication result*/
+ BMP280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
+ u8 v_data_u8 = BMP280_ZERO_U8X;
+ u8 v_waittime_u8 = BMP280_ZERO_U8X;
+ /* check the p_bmp280 struct pointer as NULL*/
+ if (p_bmp280 == BMP280_NULL) {
+ return E_BMP280_NULL_PTR;
+ } else {
+ /* read pressure and temperature*/
+ v_data_u8 = (p_bmp280->oversamp_temperature
+ << SHIFT_LEFT_5_POSITION) +
+ (p_bmp280->oversamp_pressure << SHIFT_LEFT_2_POSITION) +
+ BMP280_FORCED_MODE;
+ com_rslt = p_bmp280->BMP280_BUS_WRITE_FUNC(
+ p_bmp280->dev_addr, BMP280_CTRL_MEAS_REG,
+ &v_data_u8, BMP280_ONE_U8X);
+ bmp280_compute_wait_time(&v_waittime_u8);
+ p_bmp280->delay_msec(v_waittime_u8);
+ com_rslt += bmp280_read_uncomp_pressure_temperature(
+ v_uncomp_pressure_s32, v_uncomp_temperature_s32);
+ }
+ return com_rslt;
+}
+/*!
+ * @brief
+ * This API write the data to
+ * the given register
+ *
+ *
+ * @param v_addr_u8 -> Address of the register
+ * @param v_data_u8 -> The data from the register
+ * @param v_len_u8 -> no of bytes to read
+ *
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+ */
+BMP280_RETURN_FUNCTION_TYPE bmp280_write_register(u8 v_addr_u8,
+u8 *v_data_u8, u8 v_len_u8)
+{
+ /* variable used to return communication result*/
+ BMP280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
+ /* check the p_bmp280 struct pointer as NULL*/
+ if (p_bmp280 == BMP280_NULL) {
+ return E_BMP280_NULL_PTR;
+ } else {
+ com_rslt = p_bmp280->BMP280_BUS_WRITE_FUNC(
+ p_bmp280->dev_addr,
+ v_addr_u8, v_data_u8, v_len_u8);
+ }
+ return com_rslt;
+}
+/*!
+ * @brief
+ * This API reads the data from
+ * the given register
+ *
+ *
+ * @param v_addr_u8 -> Address of the register
+ * @param v_data_u8 -> The data from the register
+ * @param v_len_u8 -> no of bytes to read
+ *
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+ */
+BMP280_RETURN_FUNCTION_TYPE bmp280_read_register(u8 v_addr_u8,
+u8 *v_data_u8, u8 v_len_u8)
+{
+ /* variable used to return communication result*/
+ BMP280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
+ /* check the p_bmp280 struct pointer as NULL*/
+ if (p_bmp280 == BMP280_NULL) {
+ return E_BMP280_NULL_PTR;
+ } else {
+ com_rslt = p_bmp280->BMP280_BUS_READ_FUNC(
+ p_bmp280->dev_addr,
+ v_addr_u8, v_data_u8, v_len_u8);
+ }
+ return com_rslt;
+}
+#ifdef BMP280_ENABLE_FLOAT
+/*!
+ * @brief This API used to read
+ * actual temperature from uncompensated temperature
+ * @note Returns the value in Degree centigrade
+ * @note Output value of "51.23" equals 51.23 DegC.
+ *
+ *
+ *
+ * @param v_uncomp_temperature_s32 : value of uncompensated temperature
+ *
+ *
+ *
+ * @return
+ * Actual temperature in floating point
+ *
+*/
+double bmp280_compensate_T_double(s32 v_uncomp_temperature_s32)
+{
+ double v_x1_u32r = BMP280_ZERO_U8X;
+ double v_x2_u32r = BMP280_ZERO_U8X;
+ double temperature = BMP280_ZERO_U8X;
+
+ v_x1_u32r = (((double)v_uncomp_temperature_s32)
+ / BMP280_FLOAT_TRUE_TEMP_1_6_3_8_4_DATA -
+ ((double)p_bmp280->calib_param.dig_T1)
+ / BMP280_FLOAT_TRUE_TEMP_1_0_2_4_DATA) *
+ ((double)p_bmp280->calib_param.dig_T2);
+ v_x2_u32r = ((((double)v_uncomp_temperature_s32)
+ / BMP280_FLOAT_TRUE_TEMP_1_3_1_0_7_2_DATA -
+ ((double)p_bmp280->calib_param.dig_T1)
+ / BMP280_FLOAT_TRUE_TEMP_8_1_9_2_DATA) *
+ (((double)v_uncomp_temperature_s32)
+ / BMP280_FLOAT_TRUE_TEMP_1_3_1_0_7_2_DATA -
+ ((double)p_bmp280->calib_param.dig_T1)
+ / BMP280_FLOAT_TRUE_TEMP_8_1_9_2_DATA)) *
+ ((double)p_bmp280->calib_param.dig_T3);
+ p_bmp280->calib_param.t_fine = (s32)(v_x1_u32r + v_x2_u32r);
+ temperature = (v_x1_u32r + v_x2_u32r)
+ / BMP280_FLOAT_TRUE_TEMP_5_1_2_0_DATA;
+
+
+ return temperature;
+}
+/*!
+ * @brief Reads actual pressure from uncompensated pressure
+ * and returns pressure in Pa as double.
+ * @note Output value of "96386.2"
+ * equals 96386.2 Pa = 963.862 hPa.
+ *
+ *
+ *
+ * @param v_uncomp_pressure_s32 : value of uncompensated pressure
+ *
+ *
+ *
+ * @return
+ * Actual pressure in floating point
+ *
+*/
+double bmp280_compensate_P_double(s32 v_uncomp_pressure_s32)
+{
+ double v_x1_u32r = BMP280_ZERO_U8X;
+ double v_x2_u32r = BMP280_ZERO_U8X;
+ double pressure = BMP280_ZERO_U8X;
+
+ v_x1_u32r = ((double)p_bmp280->calib_param.t_fine /
+ BMP280_FLAOT_TRUE_PRESSURE_2_DATA) -
+ BMP280_FLAOT_TRUE_PRESSURE_6_4_0_0_0_DATA;
+ v_x2_u32r = v_x1_u32r * v_x1_u32r *
+ ((double)p_bmp280->calib_param.dig_P6) /
+ BMP280_FLAOT_TRUE_PRESSURE_3_2_7_6_8_DATA;
+ v_x2_u32r = v_x2_u32r + v_x1_u32r *
+ ((double)p_bmp280->calib_param.dig_P5)
+ * BMP280_FLAOT_TRUE_PRESSURE_2_DATA;
+ v_x2_u32r = (v_x2_u32r / BMP280_FLAOT_TRUE_PRESSURE_4_DATA) +
+ (((double)p_bmp280->calib_param.dig_P4)
+ * BMP280_FLAOT_TRUE_PRESSURE_6_5_5_3_6_DATA);
+ v_x1_u32r = (((double)p_bmp280->calib_param.dig_P3) *
+ v_x1_u32r * v_x1_u32r
+ / BMP280_FLAOT_TRUE_PRESSURE_5_2_4_2_8_8_DATA +
+ ((double)p_bmp280->calib_param.dig_P2) * v_x1_u32r)
+ / BMP280_FLAOT_TRUE_PRESSURE_5_2_4_2_8_8_DATA;
+ v_x1_u32r = (BMP280_FLAOT_TRUE_PRESSURE_1_DATA + v_x1_u32r
+ / BMP280_FLAOT_TRUE_PRESSURE_3_2_7_6_8_DATA) *
+ ((double)p_bmp280->calib_param.dig_P1);
+ pressure = BMP280_FLAOT_TRUE_PRESSURE_1_0_4_8_5_7_6_DATA
+ - (double)v_uncomp_pressure_s32;
+ /* Avoid exception caused by division by zero */
+ if (v_x1_u32r != BMP280_FLAOT_TRUE_PRESSURE_0_DATA)
+ pressure = (pressure - (v_x2_u32r
+ / BMP280_FLAOT_TRUE_PRESSURE_4_0_9_6_DATA)) *
+ BMP280_FLAOT_TRUE_PRESSURE_6_2_5_0_DATA / v_x1_u32r;
+ else
+ return BMP280_ZERO_U8X;
+ v_x1_u32r = ((double)p_bmp280->calib_param.dig_P9) *
+ pressure * pressure /
+ BMP280_FLAOT_TRUE_PRESSURE_2_1_4_7_4_8_3_6_4_8_DATA;
+ v_x2_u32r = pressure * ((double)p_bmp280->calib_param.dig_P8)
+ / BMP280_FLAOT_TRUE_PRESSURE_3_2_7_6_8_DATA;
+ pressure = pressure + (v_x1_u32r + v_x2_u32r +
+ ((double)p_bmp280->calib_param.dig_P7))
+ / BMP280_FLAOT_TRUE_PRESSURE_1_6_DATA;
+
+ return pressure;
+}
+#endif
+#if defined(BMP280_ENABLE_INT64) && defined(BMP280_64BITSUPPORT_PRESENT)
+/*!
+ * @brief This API used to read actual pressure from uncompensated pressure
+ * @note returns the value in Pa as unsigned 32 bit
+ * integer in Q24.8 format (24 integer bits and
+ * 8 fractional bits). Output value of "24674867"
+ * represents 24674867 / 256 = 96386.2 Pa = 963.862 hPa
+ *
+ *
+ *
+ * @param v_uncomp_pressure_s32 : value of uncompensated pressure
+ *
+ *
+ *
+ * @return actual pressure as 64bit output
+ *
+*/
+u32 bmp280_compensate_P_int64(s32 v_uncomp_pressure_s32)
+{
+ s64 v_x1_s64r = BMP280_ZERO_U8X;
+ s64 v_x2_s64r = BMP280_ZERO_U8X;
+ s64 pressure = BMP280_ZERO_U8X;
+ v_x1_s64r = ((s64)p_bmp280->calib_param.t_fine) -
+ BMP280_TRUE_PRESSURE_1_2_8_0_0_0_DATA;
+ v_x2_s64r = v_x1_s64r * v_x1_s64r *
+ (s64)p_bmp280->calib_param.dig_P6;
+ v_x2_s64r = v_x2_s64r + ((v_x1_s64r *
+ (s64)p_bmp280->calib_param.dig_P5)
+ << SHIFT_LEFT_17_POSITION);
+ v_x2_s64r = v_x2_s64r +
+ (((s64)p_bmp280->calib_param.dig_P4)
+ << SHIFT_LEFT_35_POSITION);
+ v_x1_s64r = ((v_x1_s64r * v_x1_s64r *
+ (s64)p_bmp280->calib_param.dig_P3)
+ >> SHIFT_RIGHT_8_POSITION) +
+ ((v_x1_s64r * (s64)p_bmp280->calib_param.dig_P2)
+ << SHIFT_LEFT_12_POSITION);
+ v_x1_s64r = (((((s64)BMP280_TRUE_PRESSURE_1_DATA)
+ << SHIFT_LEFT_47_POSITION) + v_x1_s64r)) *
+ ((s64)p_bmp280->calib_param.dig_P1)
+ >> SHIFT_RIGHT_33_POSITION;
+ pressure = BMP280_TRUE_PRESSURE_1_0_4_8_5_7_6_DATA
+ - v_uncomp_pressure_s32;
+ if (v_x1_s64r != BMP280_ZERO_U8X)
+ #if defined __KERNEL__
+ pressure = div64_s64((((pressure
+ << SHIFT_LEFT_31_POSITION) - v_x2_s64r)
+ * BMP280_TRUE_PRESSURE_3_1_2_5_DATA), v_x1_s64r);
+ #else
+ pressure = (((pressure
+ << SHIFT_LEFT_31_POSITION) - v_x2_s64r)
+ * BMP280_TRUE_PRESSURE_3_1_2_5_DATA) / v_x1_s64r;
+ #endif
+ else
+ return BMP280_ZERO_U8X;
+ v_x1_s64r = (((s64)p_bmp280->calib_param.dig_P9) *
+ (pressure >> SHIFT_RIGHT_13_POSITION) *
+ (pressure >> SHIFT_RIGHT_13_POSITION))
+ >> SHIFT_RIGHT_25_POSITION;
+ v_x2_s64r = (((s64)p_bmp280->calib_param.dig_P8) *
+ pressure) >> SHIFT_RIGHT_19_POSITION;
+ pressure = ((pressure + v_x1_s64r + v_x2_s64r)
+ >> SHIFT_RIGHT_8_POSITION) +
+ (((s64)p_bmp280->calib_param.dig_P7)
+ << SHIFT_LEFT_4_POSITION);
+ return (u32)pressure;
+}
+#endif
+/*!
+ * @brief Computing waiting time for sensor data read
+ *
+ *
+ *
+ *
+ * @param v_delaytime_u8r: The value of delay time
+ *
+ *
+ * @return 0
+ *
+ *
+ */
+BMP280_RETURN_FUNCTION_TYPE bmp280_compute_wait_time(u8
+*v_delaytime_u8r)
+{
+ /* variable used to return communication result*/
+ BMP280_RETURN_FUNCTION_TYPE com_rslt = SUCCESS;
+
+ *v_delaytime_u8r = (T_INIT_MAX + T_MEASURE_PER_OSRS_MAX *
+ (((BMP280_ONE_U8X << p_bmp280->oversamp_temperature)
+ >> SHIFT_RIGHT_1_POSITION) +
+ ((BMP280_ONE_U8X << p_bmp280->oversamp_pressure)
+ >> SHIFT_RIGHT_1_POSITION)) +
+ (p_bmp280->oversamp_pressure ? T_SETUP_PRESSURE_MAX : BMP280_ZERO_U8X)
+ + BMP280_FIVETEEN_U8X)
+ / BMP280_SIXTEEN_U8X;
+ return com_rslt;
+}
--- /dev/null
+ /*
+****************************************************************************
+* Copyright (C) 2014 Bosch Sensortec GmbH
+*
+* bmp280_support.c
+* Date: 2014/12/12
+* Revision: 1.0.4
+*
+* Usage: Sensor Driver support file for BMP280 sensor
+*
+****************************************************************************
+* License:
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are met:
+*
+* Redistributions of source code must retain the above copyright
+* notice, this list of conditions and the following disclaimer.
+*
+* Redistributions in binary form must reproduce the above copyright
+* notice, this list of conditions and the following disclaimer in the
+* documentation and/or other materials provided with the distribution.
+*
+* Neither the name of the copyright holder nor the names of the
+* contributors may be used to endorse or promote products derived from
+* this software without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+* DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDER
+* OR CONTRIBUTORS BE LIABLE FOR ANY
+* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+* OR CONSEQUENTIAL DAMAGES(INCLUDING, BUT NOT LIMITED TO,
+* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+* ANY WAY OUT OF THE USE OF THIS
+* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
+*
+* The information provided is believed to be accurate and reliable.
+* The copyright holder assumes no responsibility
+* for the consequences of use
+* of such information nor for any infringement of patents or
+* other rights of third parties which may result from its use.
+* No license is granted by implication or otherwise under any patent or
+* patent rights of the copyright holder.
+**************************************************************************/
+/*---------------------------------------------------------------------------*/
+/* Includes*/
+/*---------------------------------------------------------------------------*/
+#include "bmp280.h"
+
+#include <unistd.h>
+#include "spi.h"
+
+#define BMP280_API
+#define BMP280
+/*----------------------------------------------------------------------------*
+* The following functions are used for reading and writing of
+* sensor data using I2C or SPI communication
+*----------------------------------------------------------------------------*/
+#ifdef BMP280_API
+/* \Brief: The function is used as I2C bus read
+ * \Return : Status of the I2C read
+ * \param dev_addr : The device address of the sensor
+ * \param reg_addr : Address of the first register, will data is going to be read
+ * \param reg_data : This data read from the sensor, which is hold in an array
+ * \param cnt : The no of byte of data to be read
+ */
+s8 BMP280_I2C_bus_read(u8 dev_addr, u8 reg_addr, u8 *reg_data, u8 cnt);
+ /* \Brief: The function is used as I2C bus write
+ * \Return : Status of the I2C write
+ * \param dev_addr : The device address of the sensor
+ * \param reg_addr : Address of the first register, will data is going to be written
+ * \param reg_data : It is a value hold in the array,
+ * will be used for write the value into the register
+ * \param cnt : The no of byte of data to be write
+ */
+s8 BMP280_I2C_bus_write(u8 dev_addr, u8 reg_addr, u8 *reg_data, u8 cnt);
+/* \Brief: The function is used as SPI bus write
+ * \Return : Status of the SPI write
+ * \param dev_addr : The device address of the sensor
+ * \param reg_addr : Address of the first register, will data is going to be written
+ * \param reg_data : It is a value hold in the array,
+ * will be used for write the value into the register
+ * \param cnt : The no of byte of data to be write
+ */
+s8 BMP280_SPI_bus_write(u8 dev_addr, u8 reg_addr, u8 *reg_data, u8 cnt);
+/* \Brief: The function is used as SPI bus read
+ * \Return : Status of the SPI read
+ * \param dev_addr : The device address of the sensor
+ * \param reg_addr : Address of the first register, will data is going to be read
+ * \param reg_data : This data read from the sensor, which is hold in an array
+ * \param cnt : The no of byte of data to be read */
+s8 BMP280_SPI_bus_read(u8 dev_addr, u8 reg_addr, u8 *reg_data, u8 cnt);
+/*
+ * \Brief: SPI/I2C init routine
+*/
+s8 I2C_routine(void);
+s8 SPI_routine(void);
+#endif
+/********************End of I2C/SPI function declarations***********************/
+/* Brief : The delay routine
+ * \param : delay in ms
+*/
+void BMP280_delay_msek(u32 msek);
+/* This function is an example for reading sensor data
+ * \param: None
+ * \return: communication result
+ */
+s32 bmp280_data_readout_template(void);
+/*----------------------------------------------------------------------------*
+ * struct bmp280_t parameters can be accessed by using bmp280
+ * bmp280_t having the following parameters
+ * Bus write function pointer: BMP280_WR_FUNC_PTR
+ * Bus read function pointer: BMP280_RD_FUNC_PTR
+ * Delay function pointer: delay_msec
+ * I2C address: dev_addr
+ * Chip id of the sensor: chip_id
+ *---------------------------------------------------------------------------*/
+struct bmp280_t bmp280;
+/* This function is an example for reading sensor data
+ * \param: None
+ * \return: communication result
+ */
+s32 bmp280_data_readout_template(void)
+{
+ /* The variable used to assign the standby time*/
+ u8 v_standby_time_u8 = BMP280_ZERO_U8X;
+ /* The variable used to read uncompensated temperature*/
+ s32 v_data_uncomp_tem_s32 = BMP280_ZERO_U8X;
+ /* The variable used to read uncompensated pressure*/
+ s32 v_data_uncomp_pres_s32 = BMP280_ZERO_U8X;
+ /* The variable used to read real temperature*/
+ s32 v_actual_temp_s32 = BMP280_ZERO_U8X;
+ /* The variable used to read real pressure*/
+ u32 v_actual_press_u32 = BMP280_ZERO_U8X;
+ s32 v_actual_press_data_s32 = BMP280_ZERO_U8X;
+ /* result of communication results*/
+ s32 com_rslt = ERROR;
+/*********************** START INITIALIZATION ************************/
+ /* Based on the user need configure I2C or SPI interface.
+ * It is example code to explain how to use the bma2x2 API*/
+ #ifdef BMP280
+ /*I2C_routine(); */
+ SPI_routine();
+ #endif
+/*--------------------------------------------------------------------------*
+ * This function used to assign the value/reference of
+ * the following parameters
+ * I2C address
+ * Bus Write
+ * Bus read
+ * Chip id
+*-------------------------------------------------------------------------*/
+ com_rslt = bmp280_init(&bmp280);
+
+ /* For initialization it is required to set the mode of
+ * the sensor as "NORMAL"
+ * data acquisition/read/write is possible in this mode
+ * by using the below API able to set the power mode as NORMAL*/
+ /* Set the power mode as NORMAL*/
+ com_rslt += bmp280_set_power_mode(BMP280_NORMAL_MODE);
+ /* For reading the pressure and temperature data it is required to
+ * set the work mode
+ * The measurement period in the Normal mode is depends on the setting of
+ * over sampling setting of pressure, temperature and standby time
+ *
+ * OSS pressure OSS temperature OSS
+ * ultra low power x1 x1
+ * low power x2 x1
+ * standard resolution x4 x1
+ * high resolution x8 x2
+ * ultra high resolution x16 x2
+ */
+ /* The oversampling settings are set by using the following API*/
+ com_rslt += bmp280_set_work_mode(BMP280_ULTRA_LOW_POWER_MODE);
+/*------------------------------------------------------------------------*
+************************* START GET and SET FUNCTIONS DATA ****************
+*---------------------------------------------------------------------------*/
+ /* This API used to Write the standby time of the sensor input
+ * value have to be given*/
+ /* Normal mode comprises an automated perpetual cycling between an (active)
+ * Measurement period and an (inactive) standby period.
+ * The standby time is determined by the contents of the register t_sb.
+ * Standby time can be set using BMP280_STANDBYTIME_125_MS.
+ * Usage Hint : BMP280_set_standbydur(BMP280_STANDBYTIME_125_MS)*/
+
+ com_rslt += bmp280_set_standby_durn(BMP280_STANDBY_TIME_1_MS);
+
+ /* This API used to read back the written value of standby time*/
+ com_rslt += bmp280_get_standby_durn(&v_standby_time_u8);
+/*-----------------------------------------------------------------*
+************************* END GET and SET FUNCTIONS ****************
+*------------------------------------------------------------------*/
+
+/************************* END INITIALIZATION *************************/
+
+/*------------------------------------------------------------------*
+************ START READ UNCOMPENSATED PRESSURE AND TEMPERATURE********
+*---------------------------------------------------------------------*/
+ /* API is used to read the uncompensated temperature*/
+ com_rslt += bmp280_read_uncomp_temperature(&v_data_uncomp_tem_s32);
+
+ /* API is used to read the uncompensated pressure*/
+ com_rslt += bmp280_read_uncomp_pressure(&v_data_uncomp_pres_s32);
+
+ /* API is used to read the uncompensated temperature and pressure*/
+ com_rslt += bmp280_read_uncomp_pressure_temperature(&v_actual_press_data_s32,
+ &v_actual_temp_s32);
+/*--------------------------------------------------------------------*
+************ END READ UNCOMPENSATED PRESSURE AND TEMPERATURE********
+*-------------------------------------------------------------------------*/
+
+/*------------------------------------------------------------------*
+************ START READ TRUE PRESSURE AND TEMPERATURE********
+*---------------------------------------------------------------------*/
+ /* API is used to read the true temperature*/
+ /* Input value as uncompensated temperature*/
+ com_rslt += bmp280_compensate_T_int32(v_actual_temp_s32);
+
+ /* API is used to read the true pressure*/
+ /* Input value as uncompensated pressure*/
+ com_rslt += bmp280_compensate_P_int32(v_actual_press_u32);
+
+ /* API is used to read the true temperature and pressure*/
+ /* Input value as uncompensated pressure and temperature*/
+ com_rslt += bmp280_read_pressure_temperature(&v_actual_press_u32,
+ &v_actual_temp_s32);
+/*--------------------------------------------------------------------*
+************ END READ TRUE PRESSURE AND TEMPERATURE********
+*-------------------------------------------------------------------------*/
+
+
+/************************* START DE-INITIALIZATION ***********************/
+
+ /* For de-initialization it is required to set the mode of
+ * the sensor as "SLEEP"
+ * the device reaches the lowest power consumption only
+ * In SLEEP mode no measurements are performed
+ * All registers are accessible
+ * by using the below API able to set the power mode as SLEEP*/
+ /* Set the power mode as SLEEP*/
+ com_rslt += bmp280_set_power_mode(BMP280_SLEEP_MODE);
+
+ return com_rslt;
+/************************* END DE-INITIALIZATION **********************/
+}
+
+#ifdef BMP280_API
+/*--------------------------------------------------------------------------*
+* The following function is used to map the I2C bus read, write, delay and
+* device address with global structure bmp280_t
+*-------------------------------------------------------------------------*/
+s8 I2C_routine(void) {
+/*--------------------------------------------------------------------------*
+ * By using bmp280 the following structure parameter can be accessed
+ * Bus write function pointer: BMP280_WR_FUNC_PTR
+ * Bus read function pointer: BMP280_RD_FUNC_PTR
+ * Delay function pointer: delay_msec
+ * I2C address: dev_addr
+ *--------------------------------------------------------------------------*/
+ bmp280.bus_write = BMP280_I2C_bus_write;
+ bmp280.bus_read = BMP280_I2C_bus_read;
+ bmp280.dev_addr = BMP280_I2C_ADDRESS2;
+ bmp280.delay_msec = BMP280_delay_msek;
+
+ return BMP280_ZERO_U8X;
+}
+
+/*---------------------------------------------------------------------------*
+ * The following function is used to map the SPI bus read, write and delay
+ * with global structure bmp280_t
+ *--------------------------------------------------------------------------*/
+s8 SPI_routine(void) {
+/*--------------------------------------------------------------------------*
+ * By using bmp280 the following structure parameter can be accessed
+ * Bus write function pointer: BMP280_WR_FUNC_PTR
+ * Bus read function pointer: BMP280_RD_FUNC_PTR
+ * Delay function pointer: delay_msec
+ *--------------------------------------------------------------------------*/
+
+ bmp280.bus_write = BMP280_SPI_bus_write;
+ bmp280.bus_read = BMP280_SPI_bus_read;
+ bmp280.delay_msec = BMP280_delay_msek;
+
+ return BMP280_ZERO_U8X;
+}
+
+/************** I2C/SPI buffer length ******/
+
+#define I2C_BUFFER_LEN 8
+#define SPI_BUFFER_LEN 5
+#define BUFFER_LENGTH 0xFF
+#define MASK_DATA 0x80
+#define REGISTER_MASK 0x7F
+/*-------------------------------------------------------------------*
+* This is a sample code for read and write the data by using I2C/SPI
+* Use either I2C or SPI based on your need
+* The device address defined in the bmp180.c
+*
+*-----------------------------------------------------------------------*/
+ /* \Brief: The function is used as I2C bus write
+ * \Return : Status of the I2C write
+ * \param dev_addr : The device address of the sensor
+ * \param reg_addr : Address of the first register, will data is going to be written
+ * \param reg_data : It is a value hold in the array,
+ * will be used for write the value into the register
+ * \param cnt : The no of byte of data to be write
+ */
+s8 BMP280_I2C_bus_write(u8 dev_addr, u8 reg_addr, u8 *reg_data, u8 cnt)
+{
+ s32 iError = BMP280_ZERO_U8X;
+ u8 array[I2C_BUFFER_LEN];
+ u8 stringpos = BMP280_ZERO_U8X;
+ array[BMP280_ZERO_U8X] = reg_addr;
+ for (stringpos = BMP280_ZERO_U8X; stringpos < cnt; stringpos++) {
+ array[stringpos + BMP280_ONE_U8X] = *(reg_data + stringpos);
+ }
+ /*
+ * Please take the below function as your reference for
+ * write the data using I2C communication
+ * "IERROR = I2C_WRITE_STRING(DEV_ADDR, ARRAY, CNT+1)"
+ * add your I2C write function here
+ * iError is an return value of I2C read function
+ * Please select your valid return value
+ * In the driver SUCCESS defined as BMP280_ZERO_U8X
+ * and FAILURE defined as -1
+ * Note :
+ * This is a full duplex operation,
+ * The first read data is discarded, for that extra write operation
+ * have to be initiated. For that cnt+1 operation done in the I2C write string function
+ * For more information please refer data sheet SPI communication:
+ */
+ return (s8)iError;
+}
+
+ /* \Brief: The function is used as I2C bus read
+ * \Return : Status of the I2C read
+ * \param dev_addr : The device address of the sensor
+ * \param reg_addr : Address of the first register, will data is going to be read
+ * \param reg_data : This data read from the sensor, which is hold in an array
+ * \param cnt : The no of data to be read
+ */
+s8 BMP280_I2C_bus_read(u8 dev_addr, u8 reg_addr, u8 *reg_data, u8 cnt)
+{
+ s32 iError = BMP280_ZERO_U8X;
+ u8 array[I2C_BUFFER_LEN] = {BMP280_ZERO_U8X};
+ u8 stringpos = BMP280_ZERO_U8X;
+ array[BMP280_ZERO_U8X] = reg_addr;
+ /* Please take the below function as your reference
+ * for read the data using I2C communication
+ * add your I2C rad function here.
+ * "IERROR = I2C_WRITE_READ_STRING(DEV_ADDR, ARRAY, ARRAY, 1, CNT)"
+ * iError is an return value of SPI write function
+ * Please select your valid return value
+ * In the driver SUCCESS defined as BMP280_ZERO_U8X
+ * and FAILURE defined as -1
+ */
+ for (stringpos = BMP280_ZERO_U8X; stringpos < cnt; stringpos++) {
+ *(reg_data + stringpos) = array[stringpos];
+ }
+ return (s8)iError;
+}
+
+/* \Brief: The function is used as SPI bus read
+ * \Return : Status of the SPI read
+ * \param dev_addr : The device address of the sensor
+ * \param reg_addr : Address of the first register, will data is going to be read
+ * \param reg_data : This data read from the sensor, which is hold in an array
+ * \param cnt : The no of data to be read
+ */
+s8 BMP280_SPI_bus_read(u8 dev_addr, u8 reg_addr, u8 *reg_data, u8 cnt)
+{
+ s32 iError=BMP280_ZERO_U8X;
+ u8 array[SPI_BUFFER_LEN]={BUFFER_LENGTH};
+ u8 stringpos;
+ /* For the SPI mode only 7 bits of register addresses are used.
+ The MSB of register address is declared the bit what functionality it is
+ read/write (read as 1/write as BMP280_ZERO_U8X)*/
+ array[BMP280_ZERO_U8X] = reg_addr|MASK_DATA;/*read routine is initiated register address is mask with 0x80*/
+ /*
+ * Please take the below function as your reference for
+ * read the data using SPI communication
+ * " IERROR = SPI_READ_WRITE_STRING(ARRAY, ARRAY, CNT+1)"
+ * add your SPI read function here
+ * iError is an return value of SPI read function
+ * Please select your valid return value
+ * In the driver SUCCESS defined as BMP280_ZERO_U8X
+ * and FAILURE defined as -1
+ * Note :
+ * This is a full duplex operation,
+ * The first read data is discarded, for that extra write operation
+ * have to be initiated. For that cnt+1 operation done in the SPI read
+ * and write string function
+ * For more information please refer data sheet SPI communication:
+ */
+ u8 rx_array[100]={0};
+
+
+ iError = spi_transfer(0, array, rx_array, cnt + 1, 0);
+
+ rx_array[BMP280_ZERO_U8X] = reg_addr|MASK_DATA;
+
+ for (stringpos = BMP280_ZERO_U8X; stringpos < cnt; stringpos++) {
+ *(reg_data + stringpos) = rx_array[stringpos+BMP280_ONE_U8X];
+ }
+ return (s8)iError;
+}
+
+/* \Brief: The function is used as SPI bus write
+ * \Return : Status of the SPI write
+ * \param dev_addr : The device address of the sensor
+ * \param reg_addr : Address of the first register, will data is going to be written
+ * \param reg_data : It is a value hold in the array,
+ * will be used for write the value into the register
+ * \param cnt : The no of byte of data to be write
+ */
+s8 BMP280_SPI_bus_write(u8 dev_addr, u8 reg_addr, u8 *reg_data, u8 cnt)
+{
+ s32 iError = BMP280_ZERO_U8X;
+ u8 array[SPI_BUFFER_LEN * BMP280_TWO_U8X];
+ u8 stringpos = BMP280_ZERO_U8X;
+ for (stringpos = BMP280_ZERO_U8X; stringpos < cnt; stringpos++) {
+ /* the operation of (reg_addr++)&0x7F done: because it ensure the
+ BMP280_ZERO_U8X and 1 of the given value
+ It is done only for 8bit operation*/
+ array[stringpos * BMP280_TWO_U8X] = (reg_addr++) & REGISTER_MASK;
+ array[stringpos * BMP280_TWO_U8X + BMP280_ONE_U8X] = *(reg_data + stringpos);
+ }
+ /* Please take the below function as your reference
+ * for write the data using SPI communication
+ * add your SPI write function here.
+ * "IERROR = SPI_WRITE_STRING(ARRAY, CNT*2)"
+ * iError is an return value of SPI write function
+ * Please select your valid return value
+ * In the driver SUCCESS defined as BMP280_ZERO_U8X
+ * and FAILURE defined as -1
+ */
+
+ u8 rx_array[SPI_BUFFER_LEN * BMP280_TWO_U8X] = {0};
+ iError = spi_transfer(0, array, rx_array, cnt * 2, 0);
+
+ return (s8)iError;
+}
+
+/* Brief : The delay routine
+ * \param : delay in ms
+*/
+void BMP280_delay_msek(u32 msek)
+{
+ /*Here you can write your own delay routine*/
+ sleep(msek / 1000);
+}
+
+s8 bmp280_init_my(void)
+{
+ SPI_routine();
+
+ bmp280_init(&bmp280);
+
+ s8 value_to_write[] = {0b01010111, 0b001010000};
+ bmp280_write_register(0xF4, value_to_write, 2);
+
+ return 0;
+}
+
+s32 bmp280_read_temperature(void)
+{
+ s32 uncomp_temp;
+
+ bmp280_read_uncomp_temperature(&uncomp_temp);
+
+ return bmp280_compensate_T_int32(uncomp_temp);
+}
+
+s64 bmp280_read_pressure(void)
+{
+ s32 uncomp_temp;
+
+ bmp280_read_uncomp_pressure(&uncomp_temp);
+
+ return bmp280_compensate_P_int64(uncomp_temp);
+}
+#endif
--- /dev/null
+#ifndef ACCEL_CLICK_H\r
+#define ACCEL_CLICK_H\r
+\r
+#define C6DOFIMU_OK 0x00\r
+#define C6DOFIMU_INIT_ERROR 0xFF\r
+\r
+#define C6DOFIMU_SLAVE_ADDRESS 0x6B;\r
+\r
+#define C6DOFIMU_FUNC_CFG_ACCESS 0x01\r
+\r
+#define C6DOFIMU_FIFO_CTRL1 0x06\r
+#define C6DOFIMU_FIFO_CTRL2 0x07\r
+#define C6DOFIMU_FIFO_CTRL3 0x08\r
+#define C6DOFIMU_FIFO_CTRL4 0x09\r
+#define C6DOFIMU_FIFO_CTRL5 0x0A\r
+\r
+#define C6DOFIMU_ORIENT_CFG_G 0x0B\r
+\r
+#define C6DOFIMU_INT1_CTRL 0x0D\r
+#define C6DOFIMU_INT2_CTRL 0x0E\r
+\r
+#define C6DOFIMU_CTRL1_XL 0x10\r
+#define C6DOFIMU_CTRL2_G 0x11\r
+#define C6DOFIMU_CTRL3_C 0x12\r
+#define C6DOFIMU_CTRL4_C 0x13\r
+#define C6DOFIMU_CTRL5_C 0x14\r
+#define C6DOFIMU_CTRL6_C 0x15\r
+#define C6DOFIMU_CTRL7_G 0x16\r
+#define C6DOFIMU_CTRL8_XL 0x17\r
+#define C6DOFIMU_CTRL9_XL 0x18\r
+#define C6DOFIMU_CTRL10_C 0x19\r
+\r
+#define C6DOFIMU_OUT_TEMP_L 0x20\r
+#define C6DOFIMU_OUT_TEMP_H 0x21\r
+ \r
+#define C6DOFIMU_OUTX_L_G 0x22\r
+#define C6DOFIMU_OUTX_H_G 0x23\r
+#define C6DOFIMU_OUTY_L_G 0x24\r
+#define C6DOFIMU_OUTY_H_G 0x25\r
+#define C6DOFIMU_OUTZ_L_G 0x26\r
+#define C6DOFIMU_OUTZ_H_G 0x27\r
+ \r
+#define C6DOFIMU_OUTX_L_XL 0x28\r
+#define C6DOFIMU_OUTX_H_XL 0x29\r
+#define C6DOFIMU_OUTY_L_XL 0x2A\r
+#define C6DOFIMU_OUTY_H_XL 0x2B\r
+#define C6DOFIMU_OUTZ_L_XL 0x2C\r
+#define C6DOFIMU_OUTZ_H_XL 0x2D\r
+\r
+#define C6DOFIMU_FIFO_DATA_OUT_L 0x3E\r
+#define C6DOFIMU_FIFO_DATA_OUT_H 0x3F\r
+\r
+#define C6DOFIMU_TIMESTAMP0_REG 0x40\r
+#define C6DOFIMU_TIMESTAMP1_REG 0x41\r
+#define C6DOFIMU_TIMESTAMP2_REG 0x42\r
+\r
+#define C6DOFIMU_STEP_COUNTER_L 0x4B\r
+#define C6DOFIMU_STEP_COUNTER_H 0x4C\r
+\r
+#define C6DOFIMU_STATUS_REG 0x1E\r
+\r
+#define C6DOFIMU_FIFO_STATUS1 0x3A\r
+#define C6DOFIMU_FIFO_STATUS2 0x3B\r
+#define C6DOFIMU_FIFO_STATUS3 0x3C\r
+#define C6DOFIMU_FIFO_STATUS4 0x3D\r
+\r
+#define C6DOFIMU_TIMESTAMP_L 0x49\r
+#define C6DOFIMU_TIMESTAMP_H 0x4A\r
+\r
+#define C6DOFIMU_WHO_AM_I 0x0F\r
+\r
+#define C6DOFIMU_WAKE_UP_SRC 0x1B\r
+#define C6DOFIMU_TAP_SRC 0x1C\r
+#define C6DOFIMU_D6D_SRC 0x1D\r
+\r
+#define C6DOFIMU_FUN_SRC 0x53\r
+\r
+#define C6DOFIMU_TAP_CFG 0x58\r
+#define C6DOFIMU_TAP_THS_6D 0x59\r
+#define C6DOFIMU_INT_DUR2 0x5A\r
+#define C6DOFIMU_WAKE_UP_THS 0x5B\r
+#define C6DOFIMU_WAKE_UP_DUR 0x5C\r
+#define C6DOFIMU_FREE_FALL 0x5D\r
+#define C6DOFIMU_MD1_CFG 0x5E\r
+#define C6DOFIMU_MD2_CFG 0x5F\r
+\r
+#define C6DOFIMU_CFG_BIT_0 0x01 \r
+#define C6DOFIMU_CFG_BIT_1 0x02\r
+#define C6DOFIMU_CFG_BIT_2 0x04\r
+#define C6DOFIMU_CFG_BIT_3 0x08\r
+#define C6DOFIMU_CFG_BIT_4 0x10\r
+#define C6DOFIMU_CFG_BIT_5 0x20\r
+#define C6DOFIMU_CFG_BIT_6 0x40\r
+#define C6DOFIMU_CFG_BIT_7 0x80\r
+\r
+#define C6DOFIMU_ACCEL_READ_MODE 0x00\r
+#define C6DOFIMU_GYRO_READ_MODE 0x01\r
+\r
+#include <memory>\r
+\r
+#include <spdlog/spdlog.h>\r
+\r
+#include "util.h"\r
+\r
+\r
+namespace c6dofimu17\r
+{\r
+ err_t init(std::shared_ptr<spdlog::logger> logg);\r
+ err_t close();\r
+\r
+ float read_temp();\r
+}\r
+\r
+\r
+#endif
\ No newline at end of file
--- /dev/null
+/** \mainpage
+*
+****************************************************************************
+* Copyright (C) 2012 - 2014 Bosch Sensortec GmbH
+*
+* File : bmp280.h
+*
+* Date : 2014/12/12
+*
+* Revision : 2.0.3(Pressure and Temperature compensation code revision is 1.1)
+*
+* Usage: Sensor Driver for BMP280 sensor
+*
+****************************************************************************
+*
+* \section License
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are met:
+*
+* Redistributions of source code must retain the above copyright
+* notice, this list of conditions and the following disclaimer.
+*
+* Redistributions in binary form must reproduce the above copyright
+* notice, this list of conditions and the following disclaimer in the
+* documentation and/or other materials provided with the distribution.
+*
+* Neither the name of the copyright holder nor the names of the
+* contributors may be used to endorse or promote products derived from
+* this software without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+* DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDER
+* OR CONTRIBUTORS BE LIABLE FOR ANY
+* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+* OR CONSEQUENTIAL DAMAGES(INCLUDING, BUT NOT LIMITED TO,
+* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+* ANY WAY OUT OF THE USE OF THIS
+* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
+*
+* The information provided is believed to be accurate and reliable.
+* The copyright holder assumes no responsibility
+* for the consequences of use
+* of such information nor for any infringement of patents or
+* other rights of third parties which may result from its use.
+* No license is granted by implication or otherwise under any patent or
+* patent rights of the copyright holder.
+**************************************************************************/
+/*! \file bmp280.h
+ \brief BMP280 Sensor Driver Support Header File */
+#ifndef __BMP280_H__
+#define __BMP280_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+/*!
+* @brief The following definition uses for define the data types
+*
+* @note While porting the API please consider the following
+* @note Please check the version of C standard
+* @note Are you using Linux platform
+*/
+
+/*!
+* @brief For the Linux platform support
+* Please use the types.h for your data types definitions
+*/
+#ifdef __KERNEL__
+
+#include <linux/types.h>
+#include <linux/math64.h>
+#define BMP280_64BITSUPPORT_PRESENT
+/* singed integer type*/
+typedef int8_t s8;/**< used for signed 8bit */
+typedef int16_t s16;/**< used for signed 16bit */
+typedef int32_t s32;/**< used for signed 32bit */
+typedef int64_t s64;/**< used for signed 64bit */
+
+typedef u_int8_t u8;/**< used for unsigned 8bit */
+typedef u_int16_t u16;/**< used for unsigned 16bit */
+typedef u_int32_t u32;/**< used for unsigned 32bit */
+typedef u_int64_t u64;/**< used for unsigned 64bit */
+
+
+
+#else /* ! __KERNEL__ */
+/**********************************************************
+* These definition uses for define the C
+* standard version data types
+***********************************************************/
+# if !defined(__STDC_VERSION__)
+
+/************************************************
+ * compiler is C11 C standard
+************************************************/
+#if (__STDC_VERSION__ == 201112L)
+
+/************************************************/
+#include <stdint.h>
+/************************************************/
+
+/*unsigned integer types*/
+typedef uint8_t u8;/**< used for unsigned 8bit */
+typedef uint16_t u16;/**< used for unsigned 16bit */
+typedef uint32_t u32;/**< used for unsigned 32bit */
+typedef uint64_t u64;/**< used for unsigned 64bit */
+
+/*signed integer types*/
+typedef int8_t s8;/**< used for signed 8bit */
+typedef int16_t s16;/**< used for signed 16bit */
+typedef int32_t s32;/**< used for signed 32bit */
+typedef int64_t s64;/**< used for signed 64bit */
+#define BMP280_64BITSUPPORT_PRESENT
+/************************************************
+ * compiler is C99 C standard
+************************************************/
+
+#elif (__STDC_VERSION__ == 199901L)
+
+/* stdint.h is a C99 supported c library.
+which is used to fixed the integer size*/
+/************************************************/
+#include <stdint.h>
+/************************************************/
+
+/*unsigned integer types*/
+typedef uint8_t u8;/**< used for unsigned 8bit */
+typedef uint16_t u16;/**< used for unsigned 16bit */
+typedef uint32_t u32;/**< used for unsigned 32bit */
+typedef uint64_t u64;/**< used for unsigned 64bit */
+
+/*signed integer types*/
+typedef int8_t s8;/**< used for signed 8bit */
+typedef int16_t s16;/**< used for signed 16bit */
+typedef int32_t s32;/**< used for signed 32bit */
+typedef int64_t s64;/**< used for signed 64bit */
+#define BMP280_64BITSUPPORT_PRESENT
+/************************************************
+ * compiler is C89 or other C standard
+************************************************/
+
+#else /* !defined(__STDC_VERSION__) */
+/*!
+* @brief By default it is defined as 32 bit machine configuration
+* define your data types based on your
+* machine/compiler/controller configuration
+*/
+#define MACHINE_32_BIT
+
+/*! @brief
+ * If your machine support 16 bit
+ * define the MACHINE_16_BIT
+ */
+#ifdef MACHINE_16_BIT
+#include <limits.h>
+/*signed integer types*/
+typedef signed char s8;/**< used for signed 8bit */
+typedef signed short int s16;/**< used for signed 16bit */
+typedef signed long int s32;/**< used for signed 32bit */
+
+#if defined(LONG_MAX) && LONG_MAX == 0x7fffffffffffffffL
+typedef long int s64;/**< used for signed 64bit */
+typedef unsigned long int u64;/**< used for unsigned 64bit */
+#define BMP280_64BITSUPPORT_PRESENT
+#elif defined(LLONG_MAX) && (LLONG_MAX == 0x7fffffffffffffffLL)
+typedef long long int s64;/**< used for signed 64bit */
+typedef unsigned long long int u64;/**< used for unsigned 64bit */
+#define BMP280_64BITSUPPORT_PRESENT
+#else
+#warning Either the correct data type for signed 64 bit integer \
+could not be found, or 64 bit integers are not supported in your environment.
+#warning The API will only offer 32 bit pressure calculation.This will \
+slightly impede accuracy(noise of ~1 pascal RMS will be added to output).
+#warning If 64 bit integers are supported on your platform, \
+please set s64 manually and "#define(BMP280_64BITSUPPORT_PRESENT)" manually.
+#endif
+
+/*unsigned integer types*/
+typedef unsigned char u8;/**< used for unsigned 8bit */
+typedef unsigned short int u16;/**< used for unsigned 16bit */
+typedef unsigned long int u32;/**< used for unsigned 32bit */
+
+/* If your machine support 32 bit
+define the MACHINE_32_BIT*/
+#elif defined MACHINE_32_BIT
+/*signed integer types*/
+typedef signed char s8;/**< used for signed 8bit */
+typedef signed short int s16;/**< used for signed 16bit */
+typedef signed int s32;/**< used for signed 32bit */
+typedef signed long long int s64;/**< used for signed 64bit */
+
+/*unsigned integer types*/
+typedef unsigned char u8;/**< used for unsigned 8bit */
+typedef unsigned short int u16;/**< used for unsigned 16bit */
+typedef unsigned int u32;/**< used for unsigned 32bit */
+typedef unsigned long long int u64;/**< used for unsigned 64bit */
+#define BMP280_64BITSUPPORT_PRESENT
+
+/* If your machine support 64 bit
+define the MACHINE_64_BIT*/
+#elif defined MACHINE_64_BIT
+/*signed integer types*/
+typedef signed char s8;/**< used for signed 8bit */
+typedef signed short int s16;/**< used for signed 16bit */
+typedef signed int s32;/**< used for signed 32bit */
+typedef signed long int s64;/**< used for signed 64bit */
+
+/*unsigned integer types*/
+typedef unsigned char u8;/**< used for unsigned 8bit */
+typedef unsigned short int u16;/**< used for unsigned 16bit */
+typedef unsigned int u32;/**< used for unsigned 32bit */
+typedef unsigned long int u64;/**< used for unsigned 64bit */
+#define BMP280_64BITSUPPORT_PRESENT
+
+#else
+#warning The data types defined above which not supported \
+define the data types manually
+#endif
+#endif
+
+/*** This else will execute for the compilers
+ * which are not supported the C standards
+ * Like C89/C99/C11***/
+#else
+/*!
+* @brief By default it is defined as 32 bit machine configuration
+* define your data types based on your
+* machine/compiler/controller configuration
+*/
+#define MACHINE_32_BIT
+
+/* If your machine support 16 bit
+define the MACHINE_16_BIT*/
+#ifdef MACHINE_16_BIT
+#include <limits.h>
+/*signed integer types*/
+typedef signed char s8;/**< used for signed 8bit */
+typedef signed short int s16;/**< used for signed 16bit */
+typedef signed long int s32;/**< used for signed 32bit */
+
+#if defined(LONG_MAX) && LONG_MAX == 0x7fffffffffffffffL
+typedef long int s64;/**< used for signed 64bit */
+typedef unsigned long int u64;/**< used for unsigned 64bit */
+#define BMP280_64BITSUPPORT_PRESENT
+#elif defined(LLONG_MAX) && (LLONG_MAX == 0x7fffffffffffffffLL)
+typedef long long int s64;/**< used for signed 64bit */
+typedef unsigned long long int u64;/**< used for unsigned 64bit */
+#define BMP280_64BITSUPPORT_PRESENT
+#else
+#warning Either the correct data type for signed 64 bit integer \
+could not be found, or 64 bit integers are not supported in your environment.
+#warning The API will only offer 32 bit pressure calculation.This will \
+slightly impede accuracy(noise of ~1 pascal RMS will be added to output).
+#warning If 64 bit integers are supported on your platform, \
+please set s64 manually and "#define(BMP280_64BITSUPPORT_PRESENT)" manually.
+#endif
+
+/*unsigned integer types*/
+typedef unsigned char u8;/**< used for unsigned 8bit */
+typedef unsigned short int u16;/**< used for unsigned 16bit */
+typedef unsigned long int u32;/**< used for unsigned 32bit */
+
+/*! @brief If your machine support 32 bit
+define the MACHINE_32_BIT*/
+#elif defined MACHINE_32_BIT
+/*signed integer types*/
+typedef signed char s8;/**< used for signed 8bit */
+typedef signed short int s16;/**< used for signed 16bit */
+typedef signed int s32;/**< used for signed 32bit */
+typedef signed long long int s64;/**< used for signed 64bit */
+
+/*unsigned integer types*/
+typedef unsigned char u8;/**< used for unsigned 8bit */
+typedef unsigned short int u16;/**< used for unsigned 16bit */
+typedef unsigned int u32;/**< used for unsigned 32bit */
+typedef unsigned long long int u64;/**< used for unsigned 64bit */
+#define BMP280_64BITSUPPORT_PRESENT
+
+/* If your machine support 64 bit
+define the MACHINE_64_BIT*/
+#elif defined MACHINE_64_BIT
+/*signed integer types*/
+typedef signed char s8;/**< used for signed 8bit */
+typedef signed short int s16;/**< used for signed 16bit */
+typedef signed int s32;/**< used for signed 32bit */
+typedef signed long int s64;/**< used for signed 64bit */
+
+/*unsigned integer types*/
+typedef unsigned char u8;/**< used for unsigned 8bit */
+typedef unsigned short int u16;/**< used for unsigned 16bit */
+typedef unsigned int u32;/**< used for unsigned 32bit */
+typedef unsigned long int u64;/**< used for unsigned 64bit */
+#define BMP280_64BITSUPPORT_PRESENT
+
+#else
+#warning The data types defined above which not supported \
+define the data types manually
+#endif
+#endif
+#endif
+/********************************************/
+/**\name ENABLE FLATING OUTPUT */
+/**************************************/
+/*!
+* @brief If the user wants to support floating point calculations, please set
+* the following define. If floating point calculation is not wanted
+* or allowed (e.g. in Linux kernel), please do not set the definition.
+*/
+#define BMP280_ENABLE_FLOAT
+
+/*!
+* @brief If the user wants to support 64 bit integer calculation (needed for
+* optimal pressure accuracy) please set the following definition. If
+* int64 calculation is not wanted (e.g. because it would include
+* large libraries), please do not set the definition.
+*/
+#define BMP280_ENABLE_INT64
+/***************************************************************/
+/**\name BUS READ AND WRITE FUNCTION POINTERS */
+/***************************************************************/
+/*!
+ @brief Define the calling convention of YOUR bus communication routine.
+ @note This includes types of parameters. This example shows the
+ configuration for an SPI bus link.
+
+ If your communication function looks like this:
+
+ write_my_bus_xy(u8 device_addr, u8 register_addr,
+ u8 * data, u8 length);
+
+ The BMP280_WR_FUNC_PTR would equal:
+
+ BMP280_WR_FUNC_PTR s8 (* bus_write)(u8,
+ u8, u8 *, u8)
+
+ Parameters can be mixed as needed refer to the
+ refer BMP280_BUS_WRITE_FUNC macro.
+
+
+*/
+/* defines the return parameter type of the BMP280_WR_FUNCTION */
+#define BMP280_BUS_WR_RETURN_TYPE s8
+
+/* links the order of parameters defined in
+BMP280_BUS_WR_PARAM_TYPE to function calls used inside the API*/
+#define BMP280_BUS_WR_PARAM_TYPES u8, u8,\
+ u8 *, u8
+
+/* links the order of parameters defined in
+BMP280_BUS_WR_PARAM_TYPE to function calls used inside the API*/
+#define BMP280_BUS_WR_PARAM_ORDER(device_addr, register_addr,\
+ register_data, wr_len)
+
+/* never change this line */
+#define BMP280_BUS_WRITE_FUNC(device_addr, register_addr,\
+register_data, wr_len) bus_write(device_addr, register_addr,\
+ register_data, wr_len)
+/*!
+ @brief link macro between API function calls and bus read function
+ @note The bus write function can change since this is a
+ system dependant issue.
+
+ If the bus_read parameter calling order is like: reg_addr,
+ reg_data, wr_len it would be as it is here.
+
+ If the parameters are differently ordered or your communication
+ function like I2C need to know the device address,
+ you can change this macro accordingly.
+
+
+ BMP280_BUS_READ_FUNC(dev_addr, reg_addr, reg_data, wr_len)\
+ bus_read(dev_addr, reg_addr, reg_data, wr_len)
+
+ This macro lets all API functions call YOUR communication routine in a
+ way that equals your definition in the
+ refer BMP280_WR_FUNC_PTR definition.
+
+ @note: this macro also includes the "MSB='1'
+ for reading BMP280 addresses.
+
+*/
+/* defines the return parameter type of the BMP280_RD_FUNCTION
+*/
+#define BMP280_BUS_RD_RETURN_TYPE s8
+
+/* defines the calling parameter types of the BMP280_RD_FUNCTION
+*/
+#define BMP280_BUS_RD_PARAM_TYPES (u8, u8,\
+ u8 *, u8)
+
+/* links the order of parameters defined in \
+BMP280_BUS_RD_PARAM_TYPE to function calls used inside the API
+*/
+#define BMP280_BUS_RD_PARAM_ORDER (device_addr, register_addr,\
+ register_data)
+
+/* never change this line */
+#define BMP280_BUS_READ_FUNC(device_addr, register_addr,\
+ register_data, rd_len)bus_read(device_addr, register_addr,\
+ register_data, rd_len)
+/****************************************/
+/**\name DELAY */
+/****************************************/
+/*!
+* @brief defines the return parameter type of the BMP280_DELAY_FUNCTION
+*/
+#define BMP280_DELAY_RETURN_TYPE void
+
+/*!
+* @brief defines the calling parameter types of the BMP280_DELAY_FUNCTION
+*/
+#define BMP280_DELAY_PARAM_TYPES u16
+/***************************************************************/
+/**\name GET AND SET BITSLICE FUNCTIONS */
+/***************************************************************/
+/* never change this line */
+#define BMP280_DELAY_FUNC(delay_in_msec)\
+ delay_func(delay_in_msec)
+
+#define BMP280_GET_BITSLICE(regvar, bitname)\
+ ((regvar & bitname##__MSK) >> bitname##__POS)
+
+#define BMP280_SET_BITSLICE(regvar, bitname, val)\
+ ((regvar & ~bitname##__MSK) | ((val<<bitname##__POS)&bitname##__MSK))
+
+/***************************************************************/
+/**\name COMMON USED CONSTANTS */
+/***************************************************************/
+/* Constants */
+#define BMP280_NULL 0
+#define BMP280_RETURN_FUNCTION_TYPE s8
+/* right shift definitions*/
+#define SHIFT_RIGHT_1_POSITION 1
+#define SHIFT_RIGHT_2_POSITION 2
+#define SHIFT_RIGHT_3_POSITION 3
+#define SHIFT_RIGHT_4_POSITION 4
+#define SHIFT_RIGHT_8_POSITION 8
+#define SHIFT_RIGHT_11_POSITION 11
+#define SHIFT_RIGHT_12_POSITION 12
+#define SHIFT_RIGHT_13_POSITION 13
+#define SHIFT_RIGHT_14_POSITION 14
+#define SHIFT_RIGHT_15_POSITION 15
+#define SHIFT_RIGHT_18_POSITION 18
+#define SHIFT_RIGHT_19_POSITION 19
+#define SHIFT_RIGHT_25_POSITION 25
+#define SHIFT_RIGHT_33_POSITION 33
+/* left shift definitions*/
+#define SHIFT_LEFT_1_POSITION 1
+#define SHIFT_LEFT_2_POSITION 2
+#define SHIFT_LEFT_4_POSITION 4
+#define SHIFT_LEFT_5_POSITION 5
+#define SHIFT_LEFT_8_POSITION 8
+#define SHIFT_LEFT_12_POSITION 12
+#define SHIFT_LEFT_16_POSITION 16
+#define SHIFT_LEFT_17_POSITION 17
+#define SHIFT_LEFT_31_POSITION 31
+#define SHIFT_LEFT_35_POSITION 35
+#define SHIFT_LEFT_47_POSITION 47
+/* numeric definitions*/
+#define BMP280_ZERO_U8X 0
+#define BMP280_TWO_U8X 2
+#define BMP280_ONE_U8X 1
+#define BMP280_THREE_U8X 3
+#define BMP280_FOUR_U8X 4
+#define BMP280_SIX_U8X 6
+#define BMP280_EIGHT_U8X 8
+#define BMP280_FIVETEEN_U8X 15
+#define BMP280_SIXTEEN_U8X 16
+#define BMP280_TWENTY_FOUR_U8X 24
+
+/************************************************/
+/**\name ERROR CODES */
+/************************************************/
+#define SUCCESS ((u8)0)
+#define E_BMP280_NULL_PTR ((s8)-127)
+#define E_BMP280_COMM_RES ((s8)-1)
+#define E_BMP280_OUT_OF_RANGE ((s8)-2)
+#define ERROR ((s8)-1)
+/************************************************/
+/**\name I2C ADDRESS DEFINITION */
+/***********************************************/
+#define BMP280_I2C_ADDRESS1 0x76
+#define BMP280_I2C_ADDRESS2 0x77
+/************************************************/
+/**\name POWER MODE DEFINITION */
+/***********************************************/
+/* Sensor Specific constants */
+#define BMP280_SLEEP_MODE 0x00
+#define BMP280_FORCED_MODE 0x01
+#define BMP280_NORMAL_MODE 0x03
+#define BMP280_SOFT_RESET_CODE 0xB6
+/************************************************/
+/**\name STANDBY TIME DEFINITION */
+/***********************************************/
+#define BMP280_STANDBY_TIME_1_MS 0x00
+#define BMP280_STANDBY_TIME_63_MS 0x01
+#define BMP280_STANDBY_TIME_125_MS 0x02
+#define BMP280_STANDBY_TIME_250_MS 0x03
+#define BMP280_STANDBY_TIME_500_MS 0x04
+#define BMP280_STANDBY_TIME_1000_MS 0x05
+#define BMP280_STANDBY_TIME_2000_MS 0x06
+#define BMP280_STANDBY_TIME_4000_MS 0x07
+/************************************************/
+/**\name OVERSAMPLING DEFINITION */
+/***********************************************/
+#define BMP280_OVERSAMPLING_SKIPPED 0x00
+#define BMP280_OVERSAMP_1X 0x01
+#define BMP280_OVERSAMP_2X 0x02
+#define BMP280_OVERSAMP_4X 0x03
+#define BMP280_OVERSAMP_8X 0x04
+#define BMP280_OVERSAMP_16X 0x05
+/************************************************/
+/**\name WORKING MODE DEFINITION */
+/***********************************************/
+#define BMP280_ULTRA_LOW_POWER_MODE 0x00
+#define BMP280_LOW_POWER_MODE 0x01
+#define BMP280_STANDARD_RESOLUTION_MODE 0x02
+#define BMP280_HIGH_RESOLUTION_MODE 0x03
+#define BMP280_ULTRA_HIGH_RESOLUTION_MODE 0x04
+
+#define BMP280_ULTRALOWPOWER_OVERSAMP_PRESSURE BMP280_OVERSAMP_1X
+#define BMP280_ULTRALOWPOWER_OVERSAMP_TEMPERATURE BMP280_OVERSAMP_1X
+
+#define BMP280_LOWPOWER_OVERSAMP_PRESSURE BMP280_OVERSAMP_2X
+#define BMP280_LOWPOWER_OVERSAMP_TEMPERATURE BMP280_OVERSAMP_1X
+
+#define BMP280_STANDARDRESOLUTION_OVERSAMP_PRESSURE BMP280_OVERSAMP_4X
+#define BMP280_STANDARDRESOLUTION_OVERSAMP_TEMPERATURE BMP280_OVERSAMP_1X
+
+#define BMP280_HIGHRESOLUTION_OVERSAMP_PRESSURE BMP280_OVERSAMP_8X
+#define BMP280_HIGHRESOLUTION_OVERSAMP_TEMPERATURE BMP280_OVERSAMP_1X
+
+#define BMP280_ULTRAHIGHRESOLUTION_OVERSAMP_PRESSURE BMP280_OVERSAMP_16X
+#define BMP280_ULTRAHIGHRESOLUTION_OVERSAMP_TEMPERATURE BMP280_OVERSAMP_2X
+/************************************************/
+/**\name FILTER DEFINITION */
+/***********************************************/
+#define BMP280_FILTER_COEFF_OFF 0x00
+#define BMP280_FILTER_COEFF_2 0x01
+#define BMP280_FILTER_COEFF_4 0x02
+#define BMP280_FILTER_COEFF_8 0x03
+#define BMP280_FILTER_COEFF_16 0x04
+/************************************************/
+/**\name DELAY TIME DEFINITION */
+/***********************************************/
+#define T_INIT_MAX 20
+/* 20/16 = 1.25 ms */
+#define T_MEASURE_PER_OSRS_MAX 37
+/* 37/16 = 2.3125 ms*/
+#define T_SETUP_PRESSURE_MAX 10
+/* 10/16 = 0.625 ms */
+/************************************************/
+/**\name CALIBRATION PARAMETERS DEFINITION */
+/***********************************************/
+/*calibration parameters */
+#define BMP280_DIG_T1_LSB_REG 0x88
+#define BMP280_DIG_T1_MSB_REG 0x89
+#define BMP280_DIG_T2_LSB_REG 0x8A
+#define BMP280_DIG_T2_MSB_REG 0x8B
+#define BMP280_DIG_T3_LSB_REG 0x8C
+#define BMP280_DIG_T3_MSB_REG 0x8D
+#define BMP280_DIG_P1_LSB_REG 0x8E
+#define BMP280_DIG_P1_MSB_REG 0x8F
+#define BMP280_DIG_P2_LSB_REG 0x90
+#define BMP280_DIG_P2_MSB_REG 0x91
+#define BMP280_DIG_P3_LSB_REG 0x92
+#define BMP280_DIG_P3_MSB_REG 0x93
+#define BMP280_DIG_P4_LSB_REG 0x94
+#define BMP280_DIG_P4_MSB_REG 0x95
+#define BMP280_DIG_P5_LSB_REG 0x96
+#define BMP280_DIG_P5_MSB_REG 0x97
+#define BMP280_DIG_P6_LSB_REG 0x98
+#define BMP280_DIG_P6_MSB_REG 0x99
+#define BMP280_DIG_P7_LSB_REG 0x9A
+#define BMP280_DIG_P7_MSB_REG 0x9B
+#define BMP280_DIG_P8_LSB_REG 0x9C
+#define BMP280_DIG_P8_MSB_REG 0x9D
+#define BMP280_DIG_P9_LSB_REG 0x9E
+#define BMP280_DIG_P9_MSB_REG 0x9F
+/************************************************/
+/**\name REGISTER ADDRESS DEFINITION */
+/***********************************************/
+#define BMP280_CHIP_ID_REG 0xD0 /*Chip ID Register */
+#define BMP280_RST_REG 0xE0 /*Softreset Register */
+#define BMP280_STAT_REG 0xF3 /*Status Register */
+#define BMP280_CTRL_MEAS_REG 0xF4 /*Ctrl Measure Register */
+#define BMP280_CONFIG_REG 0xF5 /*Configuration Register */
+#define BMP280_PRESSURE_MSB_REG 0xF7 /*Pressure MSB Register */
+#define BMP280_PRESSURE_LSB_REG 0xF8 /*Pressure LSB Register */
+#define BMP280_PRESSURE_XLSB_REG 0xF9 /*Pressure XLSB Register */
+#define BMP280_TEMPERATURE_MSB_REG 0xFA /*Temperature MSB Reg */
+#define BMP280_TEMPERATURE_LSB_REG 0xFB /*Temperature LSB Reg */
+#define BMP280_TEMPERATURE_XLSB_REG 0xFC /*Temperature XLSB Reg */
+/************************************************/
+/**\name BIT LENGTH,POSITION AND MASK DEFINITION */
+/***********************************************/
+/* Status Register */
+#define BMP280_STATUS_REG_MEASURING__POS 3
+#define BMP280_STATUS_REG_MEASURING__MSK 0x08
+#define BMP280_STATUS_REG_MEASURING__LEN 1
+#define BMP280_STATUS_REG_MEASURING__REG BMP280_STAT_REG
+
+#define BMP280_STATUS_REG_IM_UPDATE__POS 0
+#define BMP280_STATUS_REG_IM_UPDATE__MSK 0x01
+#define BMP280_STATUS_REG_IM_UPDATE__LEN 1
+#define BMP280_STATUS_REG_IM_UPDATE__REG BMP280_STAT_REG
+/************************************************/
+/**\name BIT LENGTH,POSITION AND MASK DEFINITION
+FOR TEMPERATURE OVERSAMPLING */
+/***********************************************/
+/* Control Measurement Register */
+#define BMP280_CTRL_MEAS_REG_OVERSAMP_TEMPERATURE__POS 5
+#define BMP280_CTRL_MEAS_REG_OVERSAMP_TEMPERATURE__MSK 0xE0
+#define BMP280_CTRL_MEAS_REG_OVERSAMP_TEMPERATURE__LEN 3
+#define BMP280_CTRL_MEAS_REG_OVERSAMP_TEMPERATURE__REG \
+BMP280_CTRL_MEAS_REG
+/************************************************/
+/**\name BIT LENGTH,POSITION AND MASK DEFINITION
+FOR PRESSURE OVERSAMPLING */
+/***********************************************/
+#define BMP280_CTRL_MEAS_REG_OVERSAMP_PRESSURE__POS 2
+#define BMP280_CTRL_MEAS_REG_OVERSAMP_PRESSURE__MSK 0x1C
+#define BMP280_CTRL_MEAS_REG_OVERSAMP_PRESSURE__LEN 3
+#define BMP280_CTRL_MEAS_REG_OVERSAMP_PRESSURE__REG \
+BMP280_CTRL_MEAS_REG
+/************************************************/
+/**\name BIT LENGTH,POSITION AND MASK DEFINITION
+FOR POWER MODE */
+/***********************************************/
+#define BMP280_CTRL_MEAS_REG_POWER_MODE__POS 0
+#define BMP280_CTRL_MEAS_REG_POWER_MODE__MSK 0x03
+#define BMP280_CTRL_MEAS_REG_POWER_MODE__LEN 2
+#define BMP280_CTRL_MEAS_REG_POWER_MODE__REG BMP280_CTRL_MEAS_REG
+/************************************************/
+/**\name BIT LENGTH,POSITION AND MASK DEFINITION
+FOR STANDBY DURATION */
+/***********************************************/
+/* Configuration Register */
+#define BMP280_CONFIG_REG_STANDBY_DURN__POS 5
+#define BMP280_CONFIG_REG_STANDBY_DURN__MSK 0xE0
+#define BMP280_CONFIG_REG_STANDBY_DURN__LEN 3
+#define BMP280_CONFIG_REG_STANDBY_DURN__REG BMP280_CONFIG_REG
+/************************************************/
+/**\name BIT LENGTH,POSITION AND MASK DEFINITION
+FOR IIR FILTER */
+/***********************************************/
+#define BMP280_CONFIG_REG_FILTER__POS 2
+#define BMP280_CONFIG_REG_FILTER__MSK 0x1C
+#define BMP280_CONFIG_REG_FILTER__LEN 3
+#define BMP280_CONFIG_REG_FILTER__REG BMP280_CONFIG_REG
+/************************************************/
+/**\name BIT LENGTH,POSITION AND MASK DEFINITION
+FOR SPI ENABLE*/
+/***********************************************/
+#define BMP280_CONFIG_REG_SPI3_ENABLE__POS 0
+#define BMP280_CONFIG_REG_SPI3_ENABLE__MSK 0x01
+#define BMP280_CONFIG_REG_SPI3_ENABLE__LEN 1
+#define BMP280_CONFIG_REG_SPI3_ENABLE__REG BMP280_CONFIG_REG
+/************************************************/
+/**\name BIT LENGTH,POSITION AND MASK DEFINITION
+FOR PRESSURE AND TEMPERATURE DATA REGISTERS */
+/***********************************************/
+/* Data Register */
+#define BMP280_PRESSURE_XLSB_REG_DATA__POS 4
+#define BMP280_PRESSURE_XLSB_REG_DATA__MSK 0xF0
+#define BMP280_PRESSURE_XLSB_REG_DATA__LEN 4
+#define BMP280_PRESSURE_XLSB_REG_DATA__REG BMP280_PRESSURE_XLSB_REG
+
+#define BMP280_TEMPERATURE_XLSB_REG_DATA__POS 4
+#define BMP280_TEMPERATURE_XLSB_REG_DATA__MSK 0xF0
+#define BMP280_TEMPERATURE_XLSB_REG_DATA__LEN 4
+#define BMP280_TEMPERATURE_XLSB_REG_DATA__REG BMP280_TEMPERATURE_XLSB_REG
+/************************************************/
+/**\name BUS READ AND WRITE FUNCTION POINTERS */
+/***********************************************/
+#define BMP280_WR_FUNC_PTR\
+ s8 (*bus_write)(u8, u8,\
+ u8 *, u8)
+
+#define BMP280_RD_FUNC_PTR\
+ s8 (*bus_read)(u8, u8,\
+ u8 *, u8)
+
+#define BMP280_MDELAY_DATA_TYPE u16
+/****************************************************/
+/**\name ARRAY SIZE DEFINITIONS */
+/***************************************************/
+#define ARRAY_SIZE_TWO 2
+#define ARRAY_SIZE_THREE 3
+#define ARRAY_SIZE_SIX 6
+#define ARRAY_SIZE_FIVE 5
+#define ARRAY_SIZE_EIGHT 8
+#define ARRAY_SIZE_TWELVE 12
+#define ARRAY_SIZE_FOURTEEN 14
+#define ARRAY_SIZE_TWENTY_SIX 26
+
+#define INDEX_ZERO 0
+#define INDEX_ONE 1
+#define INDEX_TWO 2
+#define INDEX_THREE 3
+#define INDEX_FOUR 4
+#define INDEX_FIVE 5
+#define INDEX_SIX 6
+#define INDEX_SEVEN 7
+#define INDEX_EIGHT 8
+#define INDEX_NINE 9
+#define INDEX_TEN 10
+#define INDEX_ELEVEN 11
+#define INDEX_TWELVE 12
+#define INDEX_THIRTEEN 13
+#define INDEX_FOURTEEN 14
+#define INDEX_FIVETEEN 15
+#define INDEX_SIXTEEN 16
+#define INDEX_SEVENTEEN 17
+#define INDEX_EIGHTEEN 18
+#define INDEX_NINETEEN 19
+#define INDEX_TWENTY 20
+#define INDEX_TWENTY_ONE 21
+#define INDEX_TWENTY_TWO 22
+#define INDEX_TWENTY_THREE 23
+/****************************************************/
+/**\name ARRAY PARAMETERS */
+/***************************************************/
+#define LSB_ZERO 0
+#define MSB_ONE 1
+#define LSB_TWO 2
+#define MSB_THREE 3
+#define LSB_FOUR 4
+#define MSB_FIVE 5
+#define LSB_SIX 6
+#define MSB_SEVEN 7
+/****************************************************/
+/**\name TRUE TEMPERATURE CALUCULATION PARAMETERS */
+/***************************************************/
+#define BMP20_DEC_TRUE_TEMP_FIVE_DATA 5
+#define BMP20_DEC_TRUE_TEMP_ONE_TWO_EIGHT_DATA 128
+/****************************************************/
+/**\name TRUE PRESSURE CALUCULATION PARAMETERS */
+/***************************************************/
+#define BMP20_DEC_TRUE_PRESSURE_6_4_0_0_0_DATA 64000
+#define BMP20_DEC_TRUE_PRESSURE_TWO_DATA 2
+#define BMP20_DEC_TRUE_PRESSURE_3_2_7_6_8_DATA 32768
+#define BMP20_DEC_TRUE_PRESSURE_1_0_4_8_5_7_6_DATA 1048576
+#define BMP20_DEC_TRUE_PRESSURE_3_1_2_5_DATA 3125
+#define BMP20_HEX_TRUE_PRESSURE_8_0_0_0_0_0_0_0_DATA 0x80000000
+
+/****************************************************/
+/**\name TRUE TEMPERATURE CALUCULATION FLOAT RETURN */
+/***************************************************/
+#define BMP280_FLOAT_TRUE_TEMP_1_6_3_8_4_DATA 16384.0
+#define BMP280_FLOAT_TRUE_TEMP_1_0_2_4_DATA 1024.0
+#define BMP280_FLOAT_TRUE_TEMP_1_3_1_0_7_2_DATA 131072.0
+#define BMP280_FLOAT_TRUE_TEMP_8_1_9_2_DATA 8192.0
+#define BMP280_FLOAT_TRUE_TEMP_5_1_2_0_DATA 5120.0
+
+/****************************************************/
+/**\name TRUE PRESSURE CALUCULATION FLOAT RETURN */
+/***************************************************/
+#define BMP280_FLAOT_TRUE_PRESSURE_1_DATA 1.0
+#define BMP280_FLAOT_TRUE_PRESSURE_0_DATA 0.0
+#define BMP280_FLAOT_TRUE_PRESSURE_2_DATA 2.0
+#define BMP280_FLAOT_TRUE_PRESSURE_4_DATA 4.0
+#define BMP280_FLAOT_TRUE_PRESSURE_1_6_DATA 16.0
+#define BMP280_FLAOT_TRUE_PRESSURE_6_4_0_0_0_DATA 64000.0
+#define BMP280_FLAOT_TRUE_PRESSURE_3_2_7_6_8_DATA 32768.0
+#define BMP280_FLAOT_TRUE_PRESSURE_6_5_5_3_6_DATA 65536.0
+#define BMP280_FLAOT_TRUE_PRESSURE_5_2_4_2_8_8_DATA 524288.0
+#define BMP280_FLAOT_TRUE_PRESSURE_1_0_4_8_5_7_6_DATA 1048576.0
+#define BMP280_FLAOT_TRUE_PRESSURE_4_0_9_6_DATA 4096.0
+#define BMP280_FLAOT_TRUE_PRESSURE_6_2_5_0_DATA 6250.0
+#define BMP280_FLAOT_TRUE_PRESSURE_2_1_4_7_4_8_3_6_4_8_DATA \
+2147483648.0
+
+/****************************************************/
+/**\name TRUE PRESSURE CALUCULATION 64BIT RETURN */
+/***************************************************/
+#define BMP280_TRUE_PRESSURE_1_2_8_0_0_0_DATA 128000
+#define BMP280_TRUE_PRESSURE_1_0_4_8_5_7_6_DATA 1048576
+#define BMP280_TRUE_PRESSURE_3_1_2_5_DATA 3125
+#define BMP280_TRUE_PRESSURE_1_DATA 1
+/**************************************************************/
+/**\name STRUCTURE DEFINITIONS */
+/**************************************************************/
+/*!
+ * @brief This structure holds all device specific calibration parameters
+ */
+struct bmp280_calib_param_t {
+ u16 dig_T1;/**<calibration T1 data*/
+ s16 dig_T2;/**<calibration T2 data*/
+ s16 dig_T3;/**<calibration T3 data*/
+ u16 dig_P1;/**<calibration P1 data*/
+ s16 dig_P2;/**<calibration P2 data*/
+ s16 dig_P3;/**<calibration P3 data*/
+ s16 dig_P4;/**<calibration P4 data*/
+ s16 dig_P5;/**<calibration P5 data*/
+ s16 dig_P6;/**<calibration P6 data*/
+ s16 dig_P7;/**<calibration P7 data*/
+ s16 dig_P8;/**<calibration P8 data*/
+ s16 dig_P9;/**<calibration P9 data*/
+
+ s32 t_fine;/**<calibration t_fine data*/
+};
+/*!
+ * @brief This structure holds BMP280 initialization parameters
+ */
+struct bmp280_t {
+ struct bmp280_calib_param_t calib_param;/**<calibration data*/
+
+ u8 chip_id;/**< chip id of the sensor*/
+ u8 dev_addr;/**< device address of the sensor*/
+
+ u8 oversamp_temperature;/**< temperature over sampling*/
+ u8 oversamp_pressure;/**< pressure over sampling*/
+
+ BMP280_WR_FUNC_PTR;/**< bus write function pointer*/
+ BMP280_RD_FUNC_PTR;/**< bus read function pointer*/
+ void(*delay_msec)(BMP280_MDELAY_DATA_TYPE);/**< delay function pointer*/
+};
+/**************************************************************/
+/**\name FUNCTION DECLARATIONS */
+/**************************************************************/
+/**************************************************************/
+/**\name FUNCTION FOR INTIALIZATION */
+/**************************************************************/
+/*!
+ * @brief This function is used for initialize
+ * the bus read and bus write functions
+ * and assign the chip id and I2C address of the BMP280 sensor
+ * chip id is read in the register 0xD0 bit from 0 to 7
+ *
+ * @param *bmp280 structure pointer.
+ *
+ * @note While changing the parameter of the p_bmp280
+ * @note consider the following point:
+ * Changing the reference value of the parameter
+ * will changes the local copy or local reference
+ * make sure your changes will not
+ * affect the reference value of the parameter
+ * (Better case don't change the reference value of the parameter)
+ *
+ *
+ *
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_init(struct bmp280_t *bmp280);
+/**************************************************************/
+/**\name FUNCTION FOR READ UNCOMPENSATED TEMPERATURE */
+/**************************************************************/
+/*!
+ * @brief This API is used to read uncompensated temperature
+ * in the registers 0xFA, 0xFB and 0xFC
+ * @note 0xFA -> MSB -> bit from 0 to 7
+ * @note 0xFB -> LSB -> bit from 0 to 7
+ * @note 0xFC -> LSB -> bit from 4 to 7
+ *
+ * @param v_uncomp_temperature_s32 : The uncompensated temperature.
+ *
+ *
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_read_uncomp_temperature(
+s32 *v_uncomp_temperature_s32);
+/**************************************************************/
+/**\name FUNCTION FOR READ TRUE TEMPERATURE S32 OUTPUT */
+/**************************************************************/
+/*!
+ * @brief Reads actual temperature
+ * from uncompensated temperature
+ * @note Returns the value in 0.01 degree Centigrade
+ * @note Output value of "5123" equals 51.23 DegC.
+ *
+ *
+ *
+ * @param v_uncomp_temperature_s32 : value of uncompensated temperature
+ *
+ *
+ *
+ * @return Actual temperature output as s32
+ *
+*/
+s32 bmp280_compensate_T_int32(s32 v_uncomp_temperature_s32);
+/**************************************************************/
+/**\name FUNCTION FOR READ UNCOMPENSATED PRESSURE */
+/**************************************************************/
+/*!
+ * @brief This API is used to read uncompensated pressure.
+ * in the registers 0xF7, 0xF8 and 0xF9
+ * @note 0xF7 -> MSB -> bit from 0 to 7
+ * @note 0xF8 -> LSB -> bit from 0 to 7
+ * @note 0xF9 -> LSB -> bit from 4 to 7
+ *
+ *
+ *
+ * @param v_uncomp_pressure_s32 : The value of uncompensated pressure
+ *
+ *
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_read_uncomp_pressure(
+s32 *v_uncomp_pressure_s32);
+/**************************************************************/
+/**\name FUNCTION FOR READ TRUE PRESSURE S32 OUTPUT */
+/**************************************************************/
+/*!
+ * @brief Reads actual pressure from uncompensated pressure
+ * and returns the value in Pascal(Pa)
+ * @note Output value of "96386" equals 96386 Pa =
+ * 963.86 hPa = 963.86 millibar
+ *
+ *
+ *
+ *
+ * @param v_uncomp_pressure_s32: value of uncompensated pressure
+ *
+ *
+ *
+ * @return Returns the Actual pressure out put as s32
+ *
+*/
+u32 bmp280_compensate_P_int32(s32 v_uncomp_pressure_s32);
+/**************************************************************/
+/**\name FUNCTION FOR READ UNCOMPENSATED TEMPERATURE AND PRESSURE */
+/**************************************************************/
+/*!
+ * @brief reads uncompensated pressure and temperature
+ *
+ *
+ * @param v_uncomp_pressure_s32: The value of uncompensated pressure.
+ * @param v_uncomp_temperature_s32: The value of uncompensated temperature.
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_read_uncomp_pressure_temperature(
+s32 *v_uncomp_pressure_s32, s32 *v_uncomp_temperature_s32);
+/**************************************************************/
+/**\name FUNCTION FOR READ TRUE TEMPERATURE AND PRESSURE */
+/**************************************************************/
+/*!
+ * @brief This API reads the true pressure and temperature
+ *
+ *
+ * @param v_pressure_u32 : The value of compensated pressure.
+ * @param v_temperature_s32 : The value of compensated temperature.
+ *
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_read_pressure_temperature(
+u32 *v_pressure_u32, s32 *v_pressure_s32);
+/**************************************************************/
+/**\name FUNCTION FOR READ CALIBRATION DATA */
+/**************************************************************/
+/*!
+ * @brief This API is used to
+ * calibration parameters used for calculation in the registers
+ *
+ * parameter | Register address | bit
+ *------------|------------------|----------------
+ * dig_T1 | 0x88 and 0x89 | from 0 : 7 to 8: 15
+ * dig_T2 | 0x8A and 0x8B | from 0 : 7 to 8: 15
+ * dig_T3 | 0x8C and 0x8D | from 0 : 7 to 8: 15
+ * dig_P1 | 0x8E and 0x8F | from 0 : 7 to 8: 15
+ * dig_P2 | 0x90 and 0x91 | from 0 : 7 to 8: 15
+ * dig_P3 | 0x92 and 0x93 | from 0 : 7 to 8: 15
+ * dig_P4 | 0x94 and 0x95 | from 0 : 7 to 8: 15
+ * dig_P5 | 0x96 and 0x97 | from 0 : 7 to 8: 15
+ * dig_P6 | 0x98 and 0x99 | from 0 : 7 to 8: 15
+ * dig_P7 | 0x9A and 0x9B | from 0 : 7 to 8: 15
+ * dig_P8 | 0x9C and 0x9D | from 0 : 7 to 8: 15
+ * dig_P9 | 0x9E and 0x9F | from 0 : 7 to 8: 15
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_get_calib_param(void);
+/**************************************************************/
+/**\name FUNCTION FOR OVERSAMPLING TEMPERATURE AND PRESSURE */
+/**************************************************************/
+/*!
+ * @brief This API is used to get
+ * the temperature oversampling setting in the register 0xF4
+ * bits from 5 to 7
+ *
+ * value | Temperature oversampling
+ * ------------------------|------------------------------
+ * 0x00 | Skipped
+ * 0x01 | BMP280_OVERSAMP_1X
+ * 0x02 | BMP280_OVERSAMP_2X
+ * 0x03 | BMP280_OVERSAMP_4X
+ * 0x04 | BMP280_OVERSAMP_8X
+ * 0x05,0x06 and 0x07 | BMP280_OVERSAMP_16X
+ *
+ *
+ * @param v_value_u8 :The value of temperature over sampling
+ *
+ *
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_get_oversamp_temperature(u8 *v_value_u8);
+/*!
+ * @brief This API is used to set
+ * the temperature oversampling setting in the register 0xF4
+ * bits from 5 to 7
+ *
+ * value | Temperature oversampling
+ * ------------------------|------------------------------
+ * 0x00 | Skipped
+ * 0x01 | BMP280_OVERSAMP_1X
+ * 0x02 | BMP280_OVERSAMP_2X
+ * 0x03 | BMP280_OVERSAMP_4X
+ * 0x04 | BMP280_OVERSAMP_8X
+ * 0x05,0x06 and 0x07 | BMP280_OVERSAMP_16X
+ *
+ *
+ * @param v_value_u8 :The value of temperature over sampling
+ *
+ *
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_set_oversamp_temperature(u8 v_value_u8);
+/*!
+ * @brief This API is used to get
+ * the pressure oversampling setting in the register 0xF4
+ * bits from 2 to 4
+ *
+ * value | Pressure oversampling
+ * ------------------------|------------------------------
+ * 0x00 | Skipped
+ * 0x01 | BMP280_OVERSAMP_1X
+ * 0x02 | BMP280_OVERSAMP_2X
+ * 0x03 | BMP280_OVERSAMP_4X
+ * 0x04 | BMP280_OVERSAMP_8X
+ * 0x05,0x06 and 0x07 | BMP280_OVERSAMP_16X
+ *
+ *
+ * @param v_value_u8 : The value of pressure over sampling
+ *
+ *
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_get_oversamp_pressure(u8 *v_value_u8);
+/*!
+ * @brief This API is used to set
+ * the pressure oversampling setting in the register 0xF4
+ * bits from 2 to 4
+ *
+ * value | Pressure oversampling
+ * ------------------------|------------------------------
+ * 0x00 | Skipped
+ * 0x01 | BMP280_OVERSAMP_1X
+ * 0x02 | BMP280_OVERSAMP_2X
+ * 0x03 | BMP280_OVERSAMP_4X
+ * 0x04 | BMP280_OVERSAMP_8X
+ * 0x05,0x06 and 0x07 | BMP280_OVERSAMP_16X
+ *
+ *
+ * @param v_value_u8 : The value of pressure over sampling
+ *
+ *
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_set_oversamp_pressure(u8 v_value_u8);
+/**************************************************************/
+/**\name FUNCTION FOR POWER MODE */
+/**************************************************************/
+/*!
+ * @brief This API used to get the
+ * Operational Mode from the sensor in the register 0xF4 bit 0 and 1
+ *
+ *
+ *
+ * @param v_power_mode_u8 : The value of power mode value
+ * value | Power mode
+ * ------------------|------------------
+ * 0x00 | BMP280_SLEEP_MODE
+ * 0x01 and 0x02 | BMP280_FORCED_MODE
+ * 0x03 | BMP280_NORMAL_MODE
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_get_power_mode(u8 *v_power_mode_u8);
+/*!
+ * @brief This API used to set the
+ * Operational Mode from the sensor in the register 0xF4 bit 0 and 1
+ *
+ *
+ *
+ * @param v_power_mode_u8 : The value of power mode value
+ * value | Power mode
+ * ------------------|------------------
+ * 0x00 | BMP280_SLEEP_MODE
+ * 0x01 and 0x02 | BMP280_FORCED_MODE
+ * 0x03 | BMP280_NORMAL_MODE
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_set_power_mode(u8 v_power_mode_u8);
+/**************************************************************/
+/**\name FUNCTION FOR SOFT RESET */
+/**************************************************************/
+/*!
+ * @brief Used to reset the sensor
+ * The value 0xB6 is written to the 0xE0 register the device is reset using the
+ * complete power-on-reset procedure.
+ * Softreset can be easily set using bmp280_set_softreset().
+ *
+ * @note Usage Hint : bmp280_set_softreset()
+ *
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_set_soft_rst(void);
+/**************************************************************/
+/**\name FUNCTION FOR SPI ENABLE */
+/**************************************************************/
+/*!
+ * @brief This API used to get the sensor
+ * SPI mode(communication type) in the register 0xF5 bit 0
+ *
+ *
+ *
+ * @param v_enable_disable_u8 : The spi3 enable or disable state
+ * value | Description
+ * -----------|---------------
+ * 0 | Disable
+ * 1 | Enable
+ *
+ *
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_get_spi3(u8 *v_enable_disable_u8);
+/*!
+ * @brief This API used to set the sensor
+ * SPI mode(communication type) in the register 0xF5 bit 0
+ *
+ *
+ *
+ * @param v_enable_disable_u8 : The spi3 enable or disable state
+ * value | Description
+ * -----------|---------------
+ * 0 | Disable
+ * 1 | Enable
+ *
+ *
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_set_spi3(u8 v_enable_disable_u8);
+/**************************************************************/
+/**\name FUNCTION FOR IIR FILTER SETTING */
+/**************************************************************/
+/*!
+ * @brief This API is used to reads filter setting
+ * in the register 0xF5 bit 3 and 4
+ *
+ *
+ *
+ * @param v_value_u8 : The value of filter coefficient
+ * value | Filter coefficient
+ * -------------|-------------------------
+ * 0x00 | BMP280_FILTER_COEFF_OFF
+ * 0x01 | BMP280_FILTER_COEFF_2
+ * 0x02 | BMP280_FILTER_COEFF_4
+ * 0x03 | BMP280_FILTER_COEFF_8
+ * 0x04 | BMP280_FILTER_COEFF_16
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_get_filter(u8 *v_value_u8);
+/*!
+ * @brief This API is used to write filter setting
+ * in the register 0xF5 bit 3 and 4
+ *
+ *
+ *
+ * @param v_value_u8 : The value of filter coefficient
+ * value | Filter coefficient
+ * -------------|-------------------------
+ * 0x00 | BMP280_FILTER_COEFF_OFF
+ * 0x01 | BMP280_FILTER_COEFF_2
+ * 0x02 | BMP280_FILTER_COEFF_4
+ * 0x03 | BMP280_FILTER_COEFF_8
+ * 0x04 | BMP280_FILTER_COEFF_16
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_set_filter(u8 v_value_u8);
+/**************************************************************/
+/**\name FUNCTION FOR STANDBY DURATION */
+/**************************************************************/
+/*!
+ * @brief This API used to Read the
+ * standby duration time from the sensor in the register 0xF5 bit 5 to 7
+ *
+ * @param v_standby_durn_u8 : The standby duration time value.
+ * value | standby duration
+ * -----------|--------------------
+ * 0x00 | BMP280_STANDBYTIME_1_MS
+ * 0x01 | BMP280_STANDBYTIME_63_MS
+ * 0x02 | BMP280_STANDBYTIME_125_MS
+ * 0x03 | BMP280_STANDBYTIME_250_MS
+ * 0x04 | BMP280_STANDBYTIME_500_MS
+ * 0x05 | BMP280_STANDBYTIME_1000_MS
+ * 0x06 | BMP280_STANDBYTIME_2000_MS
+ * 0x07 | BMP280_STANDBYTIME_4000_MS
+ *
+ *
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_get_standby_durn(u8 *v_standby_durn_u8);
+/*!
+ * @brief This API used to Read the
+ * standby duration time from the sensor in the register 0xF5 bit 5 to 7
+ * @note Normal mode comprises an automated perpetual cycling between an (active)
+ * Measurement period and an (inactive) standby period.
+ * @note The standby time is determined by the contents of the register t_sb.
+ * Standby time can be set using BME280_STANDBYTIME_125_MS.
+ *
+ * @note bme280_set_standby_durN(BME280_STANDBYTIME_125_MS)
+ *
+ *
+ *
+ * @param v_standby_durn_u8 : The standby duration time value.
+ * value | standby duration
+ * -----------|--------------------
+ * 0x00 | BMP280_STANDBYTIME_1_MS
+ * 0x01 | BMP280_STANDBYTIME_63_MS
+ * 0x02 | BMP280_STANDBYTIME_125_MS
+ * 0x03 | BMP280_STANDBYTIME_250_MS
+ * 0x04 | BMP280_STANDBYTIME_500_MS
+ * 0x05 | BMP280_STANDBYTIME_1000_MS
+ * 0x06 | BMP280_STANDBYTIME_2000_MS
+ * 0x07 | BMP280_STANDBYTIME_4000_MS
+ *
+ *
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_set_standby_durn(u8 v_standby_durn_u8);
+/**************************************************************/
+/**\name FUNCTION FOR WORK MODE */
+/**************************************************************/
+/*!
+ * @brief This API is used to write
+ * the working mode of the sensor
+ *
+ *
+ * @param v_work_mode_u8 : The value of work mode
+ * value | mode
+ * -------------|-------------
+ * 0 | BMP280_ULTRA_LOW_POWER_MODE
+ * 1 | BMP280_LOW_POWER_MODE
+ * 2 | BMP280_STANDARD_RESOLUTION_MODE
+ * 3 | BMP280_HIGH_RESOLUTION_MODE
+ * 4 | BMP280_ULTRA_HIGH_RESOLUTION_MODE
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_set_work_mode(u8 v_work_mode_u8);
+/**************************************************************/
+/**\name FUNCTION FOR FORCE MODE READING */
+/**************************************************************/
+/*!
+ * @brief This API used to read both
+ * uncompensated pressure and temperature in forced mode
+ *
+ *
+ * @param v_uncomp_pressure_s32: The value of uncompensated pressure.
+ * @param v_uncomp_temperature_s32: The value of uncompensated temperature
+ *
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+*/
+BMP280_RETURN_FUNCTION_TYPE bmp280_get_forced_uncomp_pressure_temperature(
+s32 *v_uncomp_pressure_s32, s32 *v_uncomp_temperature_s32);
+/**************************************************************/
+/**\name FUNCTION FOR COMMON READ AND WRITE */
+/**************************************************************/
+/*!
+ * @brief
+ * This API write the data to
+ * the given register
+ *
+ *
+ * @param v_addr_u8 -> Address of the register
+ * @param v_data_u8 -> The data from the register
+ * @param v_len_u8 -> no of bytes to read
+ *
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+ */
+BMP280_RETURN_FUNCTION_TYPE bmp280_write_register(u8 v_addr_u8,
+u8 *v_data_u8, u8 v_len_u8);
+/*!
+ * @brief
+ * This API reads the data from
+ * the given register
+ *
+ *
+ * @param v_addr_u8 -> Address of the register
+ * @param v_data_u8 -> The data from the register
+ * @param v_len_u8 -> no of bytes to read
+ *
+ *
+ * @return results of bus communication function
+ * @retval 0 -> Success
+ * @retval -1 -> Error
+ *
+ *
+ */
+BMP280_RETURN_FUNCTION_TYPE bmp280_read_register(u8 v_addr_u8,
+u8 *v_data_u8, u8 v_len_u8);
+/**************************************************************/
+/**\name FUNCTION FOR TRUE TEMPERATURE CALCULATION */
+/**************************************************************/
+#ifdef BMP280_ENABLE_FLOAT
+/*!
+ * @brief This API used to read
+ * actual temperature from uncompensated temperature
+ * @note Returns the value in Degree centigrade
+ * @note Output value of "51.23" equals 51.23 DegC.
+ *
+ *
+ *
+ * @param v_uncomp_temperature_s32 : value of uncompensated temperature
+ *
+ *
+ *
+ * @return
+ * Actual temperature in floating point
+ *
+*/
+double bmp280_compensate_T_double(s32 v_uncomp_temperature_s32);
+/**************************************************************/
+/**\name FUNCTION FOR TRUE PRESSURE CALCULATION */
+/**************************************************************/
+/*!
+ * @brief Reads actual pressure from uncompensated pressure
+ * and returns pressure in Pa as double.
+ * @note Output value of "96386.2"
+ * equals 96386.2 Pa = 963.862 hPa.
+ *
+ *
+ *
+ * @param v_uncomp_pressure_s32 : value of uncompensated pressure
+ *
+ *
+ *
+ * @return
+ * Actual pressure in floating point
+ *
+*/
+double bmp280_compensate_P_double(s32 v_uncomp_pressure_s32);
+#endif
+#if defined(BMP280_ENABLE_INT64) && defined(BMP280_64BITSUPPORT_PRESENT)
+/*!
+ * @brief This API used to read actual pressure from uncompensated pressure
+ * @note returns the value in Pa as unsigned 32 bit
+ * integer in Q24.8 format (24 integer bits and
+ * 8 fractional bits). Output value of "24674867"
+ * represents 24674867 / 256 = 96386.2 Pa = 963.862 hPa
+ *
+ *
+ *
+ * @param v_uncomp_pressure_s32 : value of uncompensated pressure
+ *
+ *
+ *
+ * @return actual pressure as 64bit output
+ *
+*/
+u32 bmp280_compensate_P_int64(s32 v_uncomp_pressure_s32);
+#endif
+/**************************************************************/
+/**\name FUNCTION FOR DELAY CALCULATION DURING FORCEMODE */
+/**************************************************************/
+/*!
+ * @brief Computing waiting time for sensor data read
+ *
+ *
+ *
+ *
+ * @param v_delaytime_u8r: The value of delay time
+ *
+ *
+ * @return 0
+ *
+ *
+ */
+BMP280_RETURN_FUNCTION_TYPE bmp280_compute_wait_time(u8
+*v_delaytime_u8r);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
--- /dev/null
+#ifndef BMP280_SUPPORT_H
+#define BMP280_SUPPORT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "bmp280.h"
+
+s32 bmp280_data_readout_template(void);
+s32 bmp280_read_temperature(void);
+s64 bmp280_read_pressure(void);
+s8 bmp280_init_my(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
\ No newline at end of file
--- /dev/null
+#ifndef SPI_H
+#define SPI_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define SPI_SPEED 20000000 // 20MHz
+#define SPI_MODE 0
+#define SPI_BITS_PER_WORD 8
+
+int spi_init();
+
+int spi_transfer(int chip_select, unsigned char* tx_data, unsigned char* rx_data, int len, int leave_cs_low);
+
+int spi_close();
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
\ No newline at end of file
#include "pipe_def.h"
#include "util.h"
+#include "spi.h"
+#include "bmp280_support.h"
static std::shared_ptr<spdlog::logger> logger;
logger->debug("Opening sendpipe for writing");
pipe_fd_t sendpipe_fd = open(SEND_PIPE, O_WRONLY);
+/*
mavlink_message_t message;
const uint8_t system_id = 42;
const uint8_t base_mode = 0;
MAV_COMP_ID_PERIPHERAL,
MAVLINK_COMM_0,
&message,
- 1111111,
- 2222222,
- 3333333,
- 4444444,
- 5555555,
- 6666666,
- 7777777,
- 8888888,
- 9999999);
+ 1,
+ 2,
+ 3,
+ 4,
+ 5,
+ 6,
+ 7,
+ 8,
+ 9);
uint8_t buffer[MAVLINK_MAX_PACKET_LEN];
const int len = mavlink_msg_to_send_buffer(buffer, &message);
write(sendpipe_fd, buffer, len);
THREAD_SLEEP(3s);
}
+*/
+
+ logger->info("Initializing Click devices");
+ spi_init();
+
+ THREAD_SLEEP(1s);
+ //c6dofimu17::init(logger);
+ //pressure4::init(logger);
+ bmp280_init_my();
+ THREAD_SLEEP(1s);
+ while (true)
+ {
+ printf("pressure: %d\n", bmp280_read_pressure() / 256);
+ THREAD_SLEEP(50ms);
+ printf("Temp: %d\n", bmp280_read_temperature());
+ THREAD_SLEEP(50ms);
+ }
logger->error("here");
close(sendpipe_fd);
return 0;
-}
\ No newline at end of file
+}
--- /dev/null
+#include "spi.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdint.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <sys/stat.h>
+#include <linux/ioctl.h>
+#include <linux/types.h>
+#include <linux/spi/spidev.h>
+
+static int spi_fd_0 = -1;
+static int spi_fd_1 = -1;
+
+unsigned char spi_mode = SPI_MODE;
+unsigned char spi_bits_per_word = SPI_BITS_PER_WORD;
+unsigned int spi_speed = SPI_SPEED;
+
+int spi_init()
+{
+ if (spi_fd_0 != -1 || spi_fd_1 != -1)
+ {
+ printf("At least one SPI device (CS) already initialized, exiting...");
+ return 0;
+ }
+
+ spi_fd_0 = open("/dev/spidev0.0", O_RDWR);
+ spi_fd_1 = open("/dev/spidev0.1", O_RDWR);
+
+ int ret;
+
+ int spi_fd_arr[] = {spi_fd_0, spi_fd_1};
+ int spi_fd;
+
+ for (int i = 0; i < 2; i++)
+ {
+ spi_fd = spi_fd_arr[i];
+ // Check if SPI device is available
+ if (spi_fd < 0)
+ {
+ printf("Could not open SPI device");
+ return -1;
+ }
+
+ // Set SPI mode WR
+ ret = ioctl(spi_fd, SPI_IOC_WR_MODE, &spi_mode);
+ if (ret < 0)
+ {
+ printf("Could not set SPIMode (WR)...ioctl fail");
+ return -1;
+ }
+
+ // Set SPI mode RD
+ ret = ioctl(spi_fd, SPI_IOC_RD_MODE, &spi_mode);
+ if (ret < 0)
+ {
+ printf("Could not set SPIMode (RD)...ioctl fail");
+ return -1;
+ }
+
+ // Set SPI bits per word WR
+ ret = ioctl(spi_fd, SPI_IOC_WR_BITS_PER_WORD, &spi_bits_per_word);
+ if(ret < 0)
+ {
+ printf("Could not set SPI bitsPerWord (WR)...ioctl fail");
+ return -1;
+ }
+
+ // Set SPI bits per word RD
+ ret = ioctl(spi_fd, SPI_IOC_RD_BITS_PER_WORD, &spi_bits_per_word);
+ if(ret < 0)
+ {
+ printf("Could not set SPI bitsPerWord(RD)...ioctl fail");
+ return -1;
+ }
+
+ // Set SPI speed WR
+ ret = ioctl(spi_fd, SPI_IOC_WR_MAX_SPEED_HZ, &spi_speed);
+ if(ret < 0)
+ {
+ printf("Could not set SPI speed (WR)...ioctl fail");
+ return -1;
+ }
+
+ // Set SPI speed RD
+ ret = ioctl(spi_fd, SPI_IOC_RD_MAX_SPEED_HZ, &spi_speed);
+ if(ret < 0)
+ {
+ printf("Could not set SPI speed (RD)...ioctl fail");
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+int spi_transfer(int chip_select, unsigned char* tx_data, unsigned char* rx_data, int len, int leave_cs_low)
+{
+ struct spi_ioc_transfer spi;
+ memset (&spi, 0, sizeof(spi));
+ int ret = -1;
+ int spi_fd;
+
+ if (chip_select)
+ spi_fd = spi_fd_1;
+ else
+ spi_fd = spi_fd_0;
+
+ spi.tx_buf = (unsigned long) tx_data;
+ spi.rx_buf = (unsigned long) rx_data;
+ spi.len = len;
+ spi.delay_usecs = 0;
+ spi.speed_hz = spi_speed;
+ spi.bits_per_word = spi_bits_per_word;
+ spi.cs_change = leave_cs_low;
+
+ ret = ioctl(spi_fd, SPI_IOC_MESSAGE(1), &spi);
+
+ if(ret < 0)
+ {
+ printf("Problem transmitting spi data..ioctl");
+ return -1;
+ }
+
+ return ret;
+}
+
+int spi_close()
+{
+ int ret;
+
+ ret = close(spi_fd_0);
+ if(ret < 0)
+ {
+ printf("Could not close SPI device {}", spi_fd_0);
+ return -1;
+ }
+
+ ret = close(spi_fd_1);
+ if(ret < 0)
+ {
+ printf("Could not close SPI device {}", spi_fd_1);
+ return -1;
+ }
+
+ return 0;
+}
\ No newline at end of file
--- /dev/null
+#ifndef C_UTIL_H
+#define C_UTIL_H
+
+#define HAL_PIN_NC 0
+
+typedef enum {
+ ERR = -1,
+ OK = 0
+} err_t;
+
+#endif
\ No newline at end of file
// Local
#include "util.h"
-#include "mavlink_handler.h"
#include "pipe_def.h"
#include "mavlink_handler.h"
picam2 = Picamera2()
-picam2.configure(picam2.create_video_configuration(main={"size": (1920, 1080)}, controls={"FrameDurationLimits": (33333, 33333)}))
+picam2.configure(picam2.create_video_configuration(main={"size": (680, 420)}, controls={"FrameDurationLimits": (33333, 33333)}))
output = StreamingOutput()
picam2.start_recording(MJPEGEncoder(), FileOutput(output))
cd $(dirname "$0")/bin
+intexit() {
+ # Kill all subprocesses (all processes in the current process group)
+ kill -HUP -$$
+}
+
+hupexit() {
+ # HUP'd (probably by intexit)
+ echo
+ echo "Interrupted"
+ exit
+}
+
+trap hupexit HUP
+trap intexit INT
+
# create pipes for inter processes communication
-./inter_proc
+./inter_proc &
+
+# wait for inter process to start
+sleep 1
# start udp server
./udp_server &
# start click reader
./click_reader
-echo "Closing all processes"
+wait
-trap 'kill $(jobs -p)' EXIT
projects / flygplan.git / commitdiff