/*
****************************************************************************
-* Copyright (C) 2013 - 2014 Bosch Sensortec GmbH
+* Copyright (C) 2013 - 2015 Bosch Sensortec GmbH
*
* bme280.c
-* Date: 2014/12/12
-* Revision: 2.0.3(Pressure and Temperature compensation code revision is 1.1
+* Date: 2015/03/27
+* Revision: 2.0.4(Pressure and Temperature compensation code revision is 1.1
* and Humidity compensation code revision is 1.0)
*
* Usage: Sensor Driver file for BME280 sensor
{
/* used to return the communication result*/
BME280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
- u8 v_data_u8 = BME280_ZERO_U8X;
+ u8 v_data_u8 = BME280_INIT_VALUE;
+
p_bme280 = bme280;
/* assign BME280 ptr */
com_rslt = p_bme280->BME280_BUS_READ_FUNC(p_bme280->dev_addr,
- BME280_CHIP_ID_REG, &v_data_u8, BME280_ONE_U8X);
+ BME280_CHIP_ID_REG, &v_data_u8,
+ BME280_GEN_READ_WRITE_DATA_LENGTH);
/* read Chip Id */
p_bme280->chip_id = v_data_u8;
- bme280_get_calib_param();
+ com_rslt += bme280_get_calib_param();
/* readout bme280 calibparam structure */
return com_rslt;
}
/* 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
+ a_data_u8r[2] - Temperature XLSB
*/
- u8 a_data_u8r[ARRAY_SIZE_THREE] = {
- BME280_ZERO_U8X, BME280_ZERO_U8X, BME280_ZERO_U8X};
+ u8 a_data_u8r[BME280_TEMPERATURE_DATA_SIZE] = {
+ BME280_INIT_VALUE, BME280_INIT_VALUE, BME280_INIT_VALUE};
/* check the p_bme280 structure pointer as NULL*/
if (p_bme280 == BME280_NULL) {
return E_BME280_NULL_PTR;
com_rslt = p_bme280->BME280_BUS_READ_FUNC(
p_bme280->dev_addr,
BME280_TEMPERATURE_MSB_REG,
- a_data_u8r, BME280_THREE_U8X);
+ a_data_u8r,
+ BME280_TEMPERATURE_DATA_LENGTH);
*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));
+ (u32) (a_data_u8r[BME280_TEMPERATURE_MSB_DATA]))
+ << BME280_SHIFT_BIT_POSITION_BY_12_BITS) |
+ (((u32)(a_data_u8r[BME280_TEMPERATURE_LSB_DATA]))
+ << BME280_SHIFT_BIT_POSITION_BY_04_BITS)
+ | ((u32)a_data_u8r[BME280_TEMPERATURE_XLSB_DATA] >>
+ BME280_SHIFT_BIT_POSITION_BY_04_BITS));
}
return com_rslt;
}
* @return Returns the actual temperature
*
*/
-s32 bme280_compensate_T_int32(s32 v_uncomp_temperature_s32)
+s32 bme280_compensate_temperature_int32(s32 v_uncomp_temperature_s32)
{
- s32 v_x1_u32r = BME280_ZERO_U8X;
- s32 v_x2_u32r = BME280_ZERO_U8X;
- s32 temperature = BME280_ZERO_U8X;
+ s32 v_x1_u32r = BME280_INIT_VALUE;
+ s32 v_x2_u32r = BME280_INIT_VALUE;
+ s32 temperature = BME280_INIT_VALUE;
- v_x1_u32r = ((((v_uncomp_temperature_s32
- >> SHIFT_RIGHT_3_POSITION) - ((s32)
- p_bme280->cal_param.dig_T1 << SHIFT_LEFT_1_POSITION))) *
- ((s32)p_bme280->cal_param.dig_T2))
- >> SHIFT_RIGHT_11_POSITION;
+ /* calculate x1*/
+ v_x1_u32r =
+ ((((v_uncomp_temperature_s32
+ >> BME280_SHIFT_BIT_POSITION_BY_03_BITS) -
+ ((s32)p_bme280->cal_param.dig_T1
+ << BME280_SHIFT_BIT_POSITION_BY_01_BIT))) *
+ ((s32)p_bme280->cal_param.dig_T2)) >>
+ BME280_SHIFT_BIT_POSITION_BY_11_BITS;
+ /* calculate x2*/
v_x2_u32r = (((((v_uncomp_temperature_s32
- >> SHIFT_RIGHT_4_POSITION) -
+ >> BME280_SHIFT_BIT_POSITION_BY_04_BITS) -
((s32)p_bme280->cal_param.dig_T1))
- * ((v_uncomp_temperature_s32 >> SHIFT_RIGHT_4_POSITION) -
+ * ((v_uncomp_temperature_s32 >> BME280_SHIFT_BIT_POSITION_BY_04_BITS) -
((s32)p_bme280->cal_param.dig_T1)))
- >> SHIFT_RIGHT_12_POSITION) *
+ >> BME280_SHIFT_BIT_POSITION_BY_12_BITS) *
((s32)p_bme280->cal_param.dig_T3))
- >> SHIFT_RIGHT_14_POSITION;
+ >> BME280_SHIFT_BIT_POSITION_BY_14_BITS;
+ /* calculate t_fine*/
p_bme280->cal_param.t_fine = v_x1_u32r + v_x2_u32r;
- temperature = (p_bme280->cal_param.t_fine
- * BME280_FIVE_U8X + BME280_ONE_TWENTY_EIGHT_U8X)
- >> SHIFT_RIGHT_8_POSITION;
+ /* calculate temperature*/
+ temperature = (p_bme280->cal_param.t_fine * 5 + 128)
+ >> BME280_SHIFT_BIT_POSITION_BY_08_BITS;
return temperature;
}
/*!
* @return Return the actual temperature as s16 output
*
*/
-s16 bme280_compensate_T_int32_sixteen_bit_output(
+s16 bme280_compensate_temperature_int32_sixteen_bit_output(
s32 v_uncomp_temperature_s32)
{
- s16 temperature = BME280_ZERO_U8X;
- bme280_compensate_T_int32(v_uncomp_temperature_s32);
+ s16 temperature = BME280_INIT_VALUE;
+
+ bme280_compensate_temperature_int32(
+ v_uncomp_temperature_s32);
temperature = (s16)((((
- p_bme280->cal_param.t_fine
- - BME280_TEMP_1_2_2_8_8_0_DATA)
- * BME280_TWENTY_FIVE_U8X)
- + BME280_ONE_TWENTY_EIGHT_U8X)
- >> SHIFT_RIGHT_8_POSITION);
+ p_bme280->cal_param.t_fine - 122880) * 25) + 128)
+ >> BME280_SHIFT_BIT_POSITION_BY_08_BITS);
return temperature;
}
/* 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
+ a_data_u8[2] - Pressure XLSB
*/
- u8 a_data_u8[ARRAY_SIZE_THREE] = {
- BME280_ZERO_U8X, BME280_ZERO_U8X, BME280_ZERO_U8X};
+ u8 a_data_u8[BME280_PRESSURE_DATA_SIZE] = {
+ BME280_INIT_VALUE, BME280_INIT_VALUE, BME280_INIT_VALUE};
/* check the p_bme280 structure pointer as NULL*/
if (p_bme280 == BME280_NULL) {
return E_BME280_NULL_PTR;
com_rslt = p_bme280->BME280_BUS_READ_FUNC(
p_bme280->dev_addr,
BME280_PRESSURE_MSB_REG,
- a_data_u8, BME280_THREE_U8X);
+ a_data_u8, BME280_PRESSURE_DATA_LENGTH);
*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));
+ ((u32)(a_data_u8[BME280_PRESSURE_MSB_DATA]))
+ << BME280_SHIFT_BIT_POSITION_BY_12_BITS) |
+ (((u32)(a_data_u8[BME280_PRESSURE_LSB_DATA]))
+ << BME280_SHIFT_BIT_POSITION_BY_04_BITS) |
+ ((u32)a_data_u8[BME280_PRESSURE_XLSB_DATA] >>
+ BME280_SHIFT_BIT_POSITION_BY_04_BITS));
}
return com_rslt;
}
* @return Return the actual pressure output as u32
*
*/
-u32 bme280_compensate_P_int32(s32 v_uncomp_pressure_s32)
+u32 bme280_compensate_pressure_int32(s32 v_uncomp_pressure_s32)
{
- s32 v_x1_u32 = BME280_ZERO_U8X;
- s32 v_x2_u32 = BME280_ZERO_U8X;
- u32 v_pressure_u32 = BME280_ZERO_U8X;
+ s32 v_x1_u32 = BME280_INIT_VALUE;
+ s32 v_x2_u32 = BME280_INIT_VALUE;
+ u32 v_pressure_u32 = BME280_INIT_VALUE;
+ /* calculate x1*/
v_x1_u32 = (((s32)p_bme280->cal_param.t_fine)
- >> SHIFT_RIGHT_1_POSITION) -
- (s32)BME280_PRESSURE_6_4_0_0_0_DATA;
- v_x2_u32 = (((v_x1_u32 >> SHIFT_RIGHT_2_POSITION)
- * (v_x1_u32 >> SHIFT_RIGHT_2_POSITION))
- >> SHIFT_RIGHT_11_POSITION) *
- ((s32)p_bme280->cal_param.dig_P6);
+ >> BME280_SHIFT_BIT_POSITION_BY_01_BIT) - (s32)64000;
+ /* calculate x2*/
+ v_x2_u32 = (((v_x1_u32 >> BME280_SHIFT_BIT_POSITION_BY_02_BITS)
+ * (v_x1_u32 >> BME280_SHIFT_BIT_POSITION_BY_02_BITS)
+ ) >> BME280_SHIFT_BIT_POSITION_BY_11_BITS)
+ * ((s32)p_bme280->cal_param.dig_P6);
+ /* calculate x2*/
v_x2_u32 = v_x2_u32 + ((v_x1_u32 *
((s32)p_bme280->cal_param.dig_P5))
- << SHIFT_LEFT_1_POSITION);
- v_x2_u32 = (v_x2_u32 >> SHIFT_RIGHT_2_POSITION) +
+ << BME280_SHIFT_BIT_POSITION_BY_01_BIT);
+ /* calculate x2*/
+ v_x2_u32 = (v_x2_u32 >> BME280_SHIFT_BIT_POSITION_BY_02_BITS) +
(((s32)p_bme280->cal_param.dig_P4)
- << SHIFT_LEFT_16_POSITION);
- v_x1_u32 = (((p_bme280->cal_param.dig_P3
- * (((v_x1_u32 >> SHIFT_RIGHT_2_POSITION) *
- (v_x1_u32 >> SHIFT_RIGHT_2_POSITION))
- >> SHIFT_RIGHT_13_POSITION)) >> SHIFT_RIGHT_3_POSITION) +
+ << BME280_SHIFT_BIT_POSITION_BY_16_BITS);
+ /* calculate x1*/
+ v_x1_u32 = (((p_bme280->cal_param.dig_P3 *
+ (((v_x1_u32 >> BME280_SHIFT_BIT_POSITION_BY_02_BITS) *
+ (v_x1_u32 >> BME280_SHIFT_BIT_POSITION_BY_02_BITS))
+ >> BME280_SHIFT_BIT_POSITION_BY_13_BITS))
+ >> BME280_SHIFT_BIT_POSITION_BY_03_BITS) +
((((s32)p_bme280->cal_param.dig_P2) *
- v_x1_u32) >> SHIFT_RIGHT_1_POSITION))
- >> SHIFT_RIGHT_18_POSITION;
- v_x1_u32 = ((((BME280_PRESSURE_3_2_7_6_8_DATA + v_x1_u32)) *
+ v_x1_u32) >> BME280_SHIFT_BIT_POSITION_BY_01_BIT))
+ >> BME280_SHIFT_BIT_POSITION_BY_18_BITS;
+ /* calculate x1*/
+ v_x1_u32 = ((((32768 + v_x1_u32)) *
((s32)p_bme280->cal_param.dig_P1))
- >> SHIFT_RIGHT_15_POSITION);
+ >> BME280_SHIFT_BIT_POSITION_BY_15_BITS);
+ /* calculate pressure*/
v_pressure_u32 =
- (((u32)(((s32)BME280_PRESSURE_1_0_4_8_5_7_6_DATA)
- - v_uncomp_pressure_s32) -
- (v_x2_u32 >> SHIFT_RIGHT_12_POSITION)))
- * BME280_PRESSURE_3_1_2_5_DATA;
+ (((u32)(((s32)1048576) - v_uncomp_pressure_s32)
+ - (v_x2_u32 >> BME280_SHIFT_BIT_POSITION_BY_12_BITS))) * 3125;
if (v_pressure_u32
- < BME280_HEX_PRESSURE_8_0_0_0_0_0_0_0_DATA)
+ < 0x80000000)
/* Avoid exception caused by division by zero */
- if (v_x1_u32 != BME280_ZERO_U8X)
+ if (v_x1_u32 != BME280_INIT_VALUE)
v_pressure_u32 =
- (v_pressure_u32 << SHIFT_LEFT_1_POSITION) /
+ (v_pressure_u32
+ << BME280_SHIFT_BIT_POSITION_BY_01_BIT) /
((u32)v_x1_u32);
else
- return BME280_ZERO_U8X;
+ return BME280_INVALID_DATA;
else
/* Avoid exception caused by division by zero */
- if (v_x1_u32 != BME280_ZERO_U8X)
+ if (v_x1_u32 != BME280_INIT_VALUE)
v_pressure_u32 = (v_pressure_u32
- / (u32)v_x1_u32) * BME280_TWO_U8X;
+ / (u32)v_x1_u32) * 2;
else
- return BME280_ZERO_U8X;
+ return BME280_INVALID_DATA;
v_x1_u32 = (((s32)p_bme280->cal_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;
+ ((s32)(((v_pressure_u32 >> BME280_SHIFT_BIT_POSITION_BY_03_BITS)
+ * (v_pressure_u32 >> BME280_SHIFT_BIT_POSITION_BY_03_BITS))
+ >> BME280_SHIFT_BIT_POSITION_BY_13_BITS)))
+ >> BME280_SHIFT_BIT_POSITION_BY_12_BITS;
v_x2_u32 = (((s32)(v_pressure_u32
- >> SHIFT_RIGHT_2_POSITION)) *
+ >> BME280_SHIFT_BIT_POSITION_BY_02_BITS)) *
((s32)p_bme280->cal_param.dig_P8))
- >> SHIFT_RIGHT_13_POSITION;
+ >> BME280_SHIFT_BIT_POSITION_BY_13_BITS;
v_pressure_u32 = (u32)((s32)v_pressure_u32 +
((v_x1_u32 + v_x2_u32 + p_bme280->cal_param.dig_P7)
- >> SHIFT_RIGHT_4_POSITION));
+ >> BME280_SHIFT_BIT_POSITION_BY_04_BITS));
return v_pressure_u32;
}
a_data_u8[0] - Humidity MSB
a_data_u8[1] - Humidity LSB
*/
- u8 a_data_u8[ARRAY_SIZE_TWO] = {
- BME280_ZERO_U8X, BME280_ZERO_U8X};
+ u8 a_data_u8[BME280_HUMIDITY_DATA_SIZE] = {
+ BME280_INIT_VALUE, BME280_INIT_VALUE};
/* check the p_bme280 structure pointer as NULL*/
if (p_bme280 == BME280_NULL) {
return E_BME280_NULL_PTR;
} else {
com_rslt = p_bme280->BME280_BUS_READ_FUNC(
p_bme280->dev_addr,
- BME280_HUMIDITY_MSB_REG, a_data_u8, BME280_TWO_U8X);
+ BME280_HUMIDITY_MSB_REG, a_data_u8,
+ BME280_HUMIDITY_DATA_LENGTH);
*v_uncomp_humidity_s32 = (s32)(
- (((u32)(a_data_u8[INDEX_ZERO]))
- << SHIFT_LEFT_8_POSITION)|
- ((u32)(a_data_u8[INDEX_ONE])));
+ (((u32)(a_data_u8[BME280_HUMIDITY_MSB_DATA]))
+ << BME280_SHIFT_BIT_POSITION_BY_08_BITS)|
+ ((u32)(a_data_u8[BME280_HUMIDITY_LSB_DATA])));
}
return com_rslt;
}
* @return Return the actual relative humidity output as u32
*
*/
-u32 bme280_compensate_H_int32(s32 v_uncomp_humidity_s32)
+u32 bme280_compensate_humidity_int32(s32 v_uncomp_humidity_s32)
{
- s32 v_x1_u32;
- v_x1_u32 = (p_bme280->cal_param.t_fine
- - ((s32)BME280_HUMIDITY_7_6_8_0_0_DATA));
+ s32 v_x1_u32 = BME280_INIT_VALUE;
+
+ /* calculate x1*/
+ v_x1_u32 = (p_bme280->cal_param.t_fine - ((s32)76800));
+ /* calculate x1*/
v_x1_u32 = (((((v_uncomp_humidity_s32
- << SHIFT_LEFT_14_POSITION) -
+ << BME280_SHIFT_BIT_POSITION_BY_14_BITS) -
(((s32)p_bme280->cal_param.dig_H4)
- << SHIFT_LEFT_20_POSITION) -
+ << BME280_SHIFT_BIT_POSITION_BY_20_BITS) -
(((s32)p_bme280->cal_param.dig_H5) * v_x1_u32)) +
- ((s32)BME280_HUMIDITY_1_6_3_8_4_DATA))
- >> SHIFT_RIGHT_15_POSITION) *
- (((((((v_x1_u32 *
+ ((s32)16384)) >> BME280_SHIFT_BIT_POSITION_BY_15_BITS)
+ * (((((((v_x1_u32 *
((s32)p_bme280->cal_param.dig_H6))
- >> SHIFT_RIGHT_10_POSITION) *
+ >> BME280_SHIFT_BIT_POSITION_BY_10_BITS) *
(((v_x1_u32 * ((s32)p_bme280->cal_param.dig_H3))
- >> SHIFT_RIGHT_11_POSITION) +
- ((s32)BME280_HUMIDITY_3_2_7_6_8_DATA)))
- >> SHIFT_RIGHT_10_POSITION) +
- ((s32)BME280_HUMIDITY_2_0_9_7_1_5_2_DATA)) *
- ((s32)p_bme280->cal_param.dig_H2)
- + BME280_HUMIDITY_8_1_9_2_DATA)
- >> SHIFT_RIGHT_14_POSITION));
+ >> BME280_SHIFT_BIT_POSITION_BY_11_BITS) + ((s32)32768)))
+ >> BME280_SHIFT_BIT_POSITION_BY_10_BITS) + ((s32)2097152)) *
+ ((s32)p_bme280->cal_param.dig_H2) + 8192) >> 14));
v_x1_u32 = (v_x1_u32 - (((((v_x1_u32
- >> SHIFT_RIGHT_15_POSITION) *
- (v_x1_u32 >> SHIFT_RIGHT_15_POSITION))
- >> SHIFT_RIGHT_7_POSITION) *
+ >> BME280_SHIFT_BIT_POSITION_BY_15_BITS) *
+ (v_x1_u32 >> BME280_SHIFT_BIT_POSITION_BY_15_BITS))
+ >> BME280_SHIFT_BIT_POSITION_BY_07_BITS) *
((s32)p_bme280->cal_param.dig_H1))
- >> SHIFT_RIGHT_4_POSITION));
- v_x1_u32 = (v_x1_u32 < BME280_ZERO_U8X
- ? BME280_ZERO_U8X : v_x1_u32);
- v_x1_u32 =
- (v_x1_u32 > BME280_HUMIDITY_4_1_9_4_3_0_4_0_0_DATA ?
- BME280_HUMIDITY_4_1_9_4_3_0_4_0_0_DATA : v_x1_u32);
- return (u32)(v_x1_u32 >> SHIFT_RIGHT_12_POSITION);
+ >> BME280_SHIFT_BIT_POSITION_BY_04_BITS));
+ v_x1_u32 = (v_x1_u32 < 0 ? 0 : v_x1_u32);
+ v_x1_u32 = (v_x1_u32 > 419430400 ?
+ 419430400 : v_x1_u32);
+ return (u32)(v_x1_u32 >> BME280_SHIFT_BIT_POSITION_BY_12_BITS);
}
/*!
* @brief Reads actual humidity from uncompensated humidity
* @return Return the actual relative humidity output as u16
*
*/
-u16 bme280_compensate_H_int32_sixteen_bit_output(s32 v_uncomp_humidity_s32)
+u16 bme280_compensate_humidity_int32_sixteen_bit_output(
+s32 v_uncomp_humidity_s32)
{
- u32 v_x1_u32;
- u16 v_x2_u32;
- v_x1_u32 = bme280_compensate_H_int32(v_uncomp_humidity_s32);
- v_x2_u32 = (u16)(v_x1_u32 >> SHIFT_RIGHT_1_POSITION);
+ u32 v_x1_u32 = BME280_INIT_VALUE;
+ u16 v_x2_u32 = BME280_INIT_VALUE;
+
+ v_x1_u32 = bme280_compensate_humidity_int32(v_uncomp_humidity_s32);
+ v_x2_u32 = (u16)(v_x1_u32 >> BME280_SHIFT_BIT_POSITION_BY_01_BIT);
return v_x2_u32;
}
/*!
a_data_u8[1] - Humidity MSB
a_data_u8[1] - Humidity LSB
*/
- u8 a_data_u8[ARRAY_SIZE_EIGHT] = {
- BME280_ZERO_U8X, BME280_ZERO_U8X,
- BME280_ZERO_U8X, BME280_ZERO_U8X,
- BME280_ZERO_U8X, BME280_ZERO_U8X,
- BME280_ZERO_U8X, BME280_ZERO_U8X};
+ u8 a_data_u8[BME280_DATA_FRAME_SIZE] = {
+ BME280_INIT_VALUE, BME280_INIT_VALUE,
+ BME280_INIT_VALUE, BME280_INIT_VALUE,
+ BME280_INIT_VALUE, BME280_INIT_VALUE,
+ BME280_INIT_VALUE, BME280_INIT_VALUE};
/* check the p_bme280 structure pointer as NULL*/
if (p_bme280 == BME280_NULL) {
return E_BME280_NULL_PTR;
com_rslt = p_bme280->BME280_BUS_READ_FUNC(
p_bme280->dev_addr,
BME280_PRESSURE_MSB_REG,
- a_data_u8, BME280_EIGHT_U8X);
+ a_data_u8, BME280_ALL_DATA_FRAME_LENGTH);
/*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));
+ ((u32)(a_data_u8[
+ BME280_DATA_FRAME_PRESSURE_MSB_BYTE]))
+ << BME280_SHIFT_BIT_POSITION_BY_12_BITS) |
+ (((u32)(a_data_u8[
+ BME280_DATA_FRAME_PRESSURE_LSB_BYTE]))
+ << BME280_SHIFT_BIT_POSITION_BY_04_BITS) |
+ ((u32)a_data_u8[
+ BME280_DATA_FRAME_PRESSURE_XLSB_BYTE] >>
+ BME280_SHIFT_BIT_POSITION_BY_04_BITS));
/* 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));
+ (u32) (a_data_u8[
+ BME280_DATA_FRAME_TEMPERATURE_MSB_BYTE]))
+ << BME280_SHIFT_BIT_POSITION_BY_12_BITS) |
+ (((u32)(a_data_u8[
+ BME280_DATA_FRAME_TEMPERATURE_LSB_BYTE]))
+ << BME280_SHIFT_BIT_POSITION_BY_04_BITS)
+ | ((u32)a_data_u8[
+ BME280_DATA_FRAME_TEMPERATURE_XLSB_BYTE]
+ >> BME280_SHIFT_BIT_POSITION_BY_04_BITS));
/*Humidity*/
*v_uncomp_humidity_s32 = (s32)((
- ((u32)(a_data_u8[INDEX_SIX]))
- << SHIFT_LEFT_8_POSITION)|
- ((u32)(a_data_u8[INDEX_SEVEN])));
+ ((u32)(a_data_u8[
+ BME280_DATA_FRAME_HUMIDITY_MSB_BYTE]))
+ << BME280_SHIFT_BIT_POSITION_BY_08_BITS)|
+ ((u32)(a_data_u8[
+ BME280_DATA_FRAME_HUMIDITY_LSB_BYTE])));
}
return com_rslt;
}
{
/* used to return the communication result*/
BME280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
- s32 v_uncomp_pressure_s32 = BME280_ZERO_U8X;
- s32 v_uncom_temperature_s32 = BME280_ZERO_U8X;
- s32 v_uncom_humidity_s32 = BME280_ZERO_U8X;
+ s32 v_uncomp_pressure_s32 = BME280_INIT_VALUE;
+ s32 v_uncom_temperature_s32 = BME280_INIT_VALUE;
+ s32 v_uncom_humidity_s32 = BME280_INIT_VALUE;
/* check the p_bme280 structure pointer as NULL*/
if (p_bme280 == BME280_NULL) {
return E_BME280_NULL_PTR;
&v_uncomp_pressure_s32, &v_uncom_temperature_s32,
&v_uncom_humidity_s32);
/* read the true pressure, temperature and humidity*/
- *v_temperature_s32 = bme280_compensate_T_int32(
+ *v_temperature_s32 =
+ bme280_compensate_temperature_int32(
v_uncom_temperature_s32);
- *v_pressure_u32 = bme280_compensate_P_int32(
+ *v_pressure_u32 = bme280_compensate_pressure_int32(
v_uncomp_pressure_s32);
- *v_humidity_u32 = bme280_compensate_H_int32(
+ *v_humidity_u32 = bme280_compensate_humidity_int32(
v_uncom_humidity_s32);
}
return com_rslt;
*
*
*/
-BME280_RETURN_FUNCTION_TYPE bme280_get_calib_param()
+BME280_RETURN_FUNCTION_TYPE bme280_get_calib_param(void)
{
/* used to return the communication result*/
BME280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
- u8 a_data_u8[ARRAY_SIZE_TWENTY_SIX] = {
- BME280_ZERO_U8X, BME280_ZERO_U8X,
- BME280_ZERO_U8X, BME280_ZERO_U8X, BME280_ZERO_U8X,
- BME280_ZERO_U8X, BME280_ZERO_U8X, BME280_ZERO_U8X,
- BME280_ZERO_U8X, BME280_ZERO_U8X, BME280_ZERO_U8X,
- BME280_ZERO_U8X, BME280_ZERO_U8X, BME280_ZERO_U8X,
- BME280_ZERO_U8X, BME280_ZERO_U8X, BME280_ZERO_U8X,
- BME280_ZERO_U8X, BME280_ZERO_U8X, BME280_ZERO_U8X,
- BME280_ZERO_U8X, BME280_ZERO_U8X, BME280_ZERO_U8X,
- BME280_ZERO_U8X, BME280_ZERO_U8X, BME280_ZERO_U8X};
+ u8 a_data_u8[BME280_CALIB_DATA_SIZE] = {
+ BME280_INIT_VALUE, BME280_INIT_VALUE,
+ BME280_INIT_VALUE, BME280_INIT_VALUE, BME280_INIT_VALUE,
+ BME280_INIT_VALUE, BME280_INIT_VALUE, BME280_INIT_VALUE,
+ BME280_INIT_VALUE, BME280_INIT_VALUE, BME280_INIT_VALUE,
+ BME280_INIT_VALUE, BME280_INIT_VALUE, BME280_INIT_VALUE,
+ BME280_INIT_VALUE, BME280_INIT_VALUE, BME280_INIT_VALUE,
+ BME280_INIT_VALUE, BME280_INIT_VALUE, BME280_INIT_VALUE,
+ BME280_INIT_VALUE, BME280_INIT_VALUE, BME280_INIT_VALUE,
+ BME280_INIT_VALUE, BME280_INIT_VALUE, BME280_INIT_VALUE};
/* check the p_bme280 structure pointer as NULL*/
if (p_bme280 == BME280_NULL) {
return E_BME280_NULL_PTR;
} else {
com_rslt = p_bme280->BME280_BUS_READ_FUNC(
p_bme280->dev_addr,
- BME280_DIG_T1_LSB_REG,
- a_data_u8, BME280_TWENTY_SIX_U8X);
+ BME280_TEMPERATURE_CALIB_DIG_T1_LSB_REG,
+ a_data_u8,
+ BME280_PRESSURE_TEMPERATURE_CALIB_DATA_LENGTH);
p_bme280->cal_param.dig_T1 = (u16)(((
- (u16)((u8)a_data_u8[INDEX_ONE])) <<
- SHIFT_LEFT_8_POSITION) | a_data_u8[INDEX_ZERO]);
+ (u16)((u8)a_data_u8[
+ BME280_TEMPERATURE_CALIB_DIG_T1_MSB])) <<
+ BME280_SHIFT_BIT_POSITION_BY_08_BITS)
+ | a_data_u8[BME280_TEMPERATURE_CALIB_DIG_T1_LSB]);
p_bme280->cal_param.dig_T2 = (s16)(((
- (s16)((s8)a_data_u8[INDEX_THREE])) <<
- SHIFT_LEFT_8_POSITION) | a_data_u8[INDEX_TWO]);
+ (s16)((s8)a_data_u8[
+ BME280_TEMPERATURE_CALIB_DIG_T2_MSB])) <<
+ BME280_SHIFT_BIT_POSITION_BY_08_BITS)
+ | a_data_u8[BME280_TEMPERATURE_CALIB_DIG_T2_LSB]);
p_bme280->cal_param.dig_T3 = (s16)(((
- (s16)((s8)a_data_u8[INDEX_FIVE])) <<
- SHIFT_LEFT_8_POSITION) | a_data_u8[INDEX_FOUR]);
+ (s16)((s8)a_data_u8[
+ BME280_TEMPERATURE_CALIB_DIG_T3_MSB])) <<
+ BME280_SHIFT_BIT_POSITION_BY_08_BITS)
+ | a_data_u8[BME280_TEMPERATURE_CALIB_DIG_T3_LSB]);
p_bme280->cal_param.dig_P1 = (u16)(((
- (u16)((u8)a_data_u8[INDEX_SEVEN])) <<
- SHIFT_LEFT_8_POSITION) | a_data_u8[INDEX_SIX]);
+ (u16)((u8)a_data_u8[
+ BME280_PRESSURE_CALIB_DIG_P1_MSB])) <<
+ BME280_SHIFT_BIT_POSITION_BY_08_BITS)
+ | a_data_u8[BME280_PRESSURE_CALIB_DIG_P1_LSB]);
p_bme280->cal_param.dig_P2 = (s16)(((
- (s16)((s8)a_data_u8[INDEX_NINE])) <<
- SHIFT_LEFT_8_POSITION) | a_data_u8[INDEX_EIGHT]);
+ (s16)((s8)a_data_u8[
+ BME280_PRESSURE_CALIB_DIG_P2_MSB])) <<
+ BME280_SHIFT_BIT_POSITION_BY_08_BITS)
+ | a_data_u8[BME280_PRESSURE_CALIB_DIG_P2_LSB]);
p_bme280->cal_param.dig_P3 = (s16)(((
- (s16)((s8)a_data_u8[INDEX_ELEVEN])) <<
- SHIFT_LEFT_8_POSITION) | a_data_u8[INDEX_TEN]);
+ (s16)((s8)a_data_u8[
+ BME280_PRESSURE_CALIB_DIG_P3_MSB])) <<
+ BME280_SHIFT_BIT_POSITION_BY_08_BITS)
+ | a_data_u8[
+ BME280_PRESSURE_CALIB_DIG_P3_LSB]);
p_bme280->cal_param.dig_P4 = (s16)(((
- (s16)((s8)a_data_u8[INDEX_THIRTEEN])) <<
- SHIFT_LEFT_8_POSITION) | a_data_u8[INDEX_TWELVE]);
+ (s16)((s8)a_data_u8[
+ BME280_PRESSURE_CALIB_DIG_P4_MSB])) <<
+ BME280_SHIFT_BIT_POSITION_BY_08_BITS)
+ | a_data_u8[BME280_PRESSURE_CALIB_DIG_P4_LSB]);
p_bme280->cal_param.dig_P5 = (s16)(((
- (s16)((s8)a_data_u8[INDEX_FIVETEEN])) <<
- SHIFT_LEFT_8_POSITION) | a_data_u8[INDEX_FOURTEEN]);
+ (s16)((s8)a_data_u8[
+ BME280_PRESSURE_CALIB_DIG_P5_MSB])) <<
+ BME280_SHIFT_BIT_POSITION_BY_08_BITS)
+ | a_data_u8[BME280_PRESSURE_CALIB_DIG_P5_LSB]);
p_bme280->cal_param.dig_P6 = (s16)(((
- (s16)((s8)a_data_u8[INDEX_SEVENTEEN])) <<
- SHIFT_LEFT_8_POSITION) | a_data_u8[INDEX_SIXTEEN]);
+ (s16)((s8)a_data_u8[
+ BME280_PRESSURE_CALIB_DIG_P6_MSB])) <<
+ BME280_SHIFT_BIT_POSITION_BY_08_BITS)
+ | a_data_u8[BME280_PRESSURE_CALIB_DIG_P6_LSB]);
p_bme280->cal_param.dig_P7 = (s16)(((
- (s16)((s8)a_data_u8[INDEX_NINETEEN])) <<
- SHIFT_LEFT_8_POSITION) | a_data_u8[INDEX_EIGHTEEN]);
+ (s16)((s8)a_data_u8[
+ BME280_PRESSURE_CALIB_DIG_P7_MSB])) <<
+ BME280_SHIFT_BIT_POSITION_BY_08_BITS)
+ | a_data_u8[BME280_PRESSURE_CALIB_DIG_P7_LSB]);
p_bme280->cal_param.dig_P8 = (s16)(((
- (s16)((s8)a_data_u8[INDEX_TWENTY_ONE])) <<
- SHIFT_LEFT_8_POSITION) | a_data_u8[INDEX_TWENTY]);
+ (s16)((s8)a_data_u8[
+ BME280_PRESSURE_CALIB_DIG_P8_MSB])) <<
+ BME280_SHIFT_BIT_POSITION_BY_08_BITS)
+ | a_data_u8[BME280_PRESSURE_CALIB_DIG_P8_LSB]);
p_bme280->cal_param.dig_P9 = (s16)(((
- (s16)((s8)a_data_u8[INDEX_TWENTY_THREE])) <<
- SHIFT_LEFT_8_POSITION) | a_data_u8[INDEX_TWENTY_TWO]);
+ (s16)((s8)a_data_u8[
+ BME280_PRESSURE_CALIB_DIG_P9_MSB])) <<
+ BME280_SHIFT_BIT_POSITION_BY_08_BITS)
+ | a_data_u8[BME280_PRESSURE_CALIB_DIG_P9_LSB]);
p_bme280->cal_param.dig_H1 =
- a_data_u8[INDEX_TWENTY_FIVE];
+ a_data_u8[BME280_HUMIDITY_CALIB_DIG_H1];
com_rslt += p_bme280->BME280_BUS_READ_FUNC(
p_bme280->dev_addr,
- BME280_DIG_H2_LSB_REG, a_data_u8, BME280_SEVEN_U8X);
+ BME280_HUMIDITY_CALIB_DIG_H2_LSB_REG, a_data_u8,
+ BME280_HUMIDITY_CALIB_DATA_LENGTH);
p_bme280->cal_param.dig_H2 = (s16)(((
- (s16)((s8)a_data_u8[INDEX_ONE])) <<
- SHIFT_LEFT_8_POSITION) | a_data_u8[INDEX_ZERO]);
- p_bme280->cal_param.dig_H3 = a_data_u8[INDEX_TWO];
+ (s16)((s8)a_data_u8[
+ BME280_HUMIDITY_CALIB_DIG_H2_MSB])) <<
+ BME280_SHIFT_BIT_POSITION_BY_08_BITS)
+ | a_data_u8[BME280_HUMIDITY_CALIB_DIG_H2_LSB]);
+ p_bme280->cal_param.dig_H3 =
+ a_data_u8[BME280_HUMIDITY_CALIB_DIG_H3];
p_bme280->cal_param.dig_H4 = (s16)(((
- (s16)((s8)a_data_u8[INDEX_THREE])) <<
- SHIFT_LEFT_4_POSITION) |
- (((u8)BME280_HEX_CALIB_0_F_DATA)
- & a_data_u8[INDEX_FOUR]));
+ (s16)((s8)a_data_u8[
+ BME280_HUMIDITY_CALIB_DIG_H4_MSB])) <<
+ BME280_SHIFT_BIT_POSITION_BY_04_BITS) |
+ (((u8)BME280_MASK_DIG_H4) &
+ a_data_u8[BME280_HUMIDITY_CALIB_DIG_H4_LSB]));
p_bme280->cal_param.dig_H5 = (s16)(((
- (s16)((s8)a_data_u8[INDEX_FIVE])) <<
- SHIFT_LEFT_4_POSITION) | (a_data_u8[INDEX_FOUR] >>
- SHIFT_RIGHT_4_POSITION));
- p_bme280->cal_param.dig_H6 = (s8)a_data_u8[INDEX_SIX];
+ (s16)((s8)a_data_u8[
+ BME280_HUMIDITY_CALIB_DIG_H5_MSB])) <<
+ BME280_SHIFT_BIT_POSITION_BY_04_BITS) |
+ (a_data_u8[BME280_HUMIDITY_CALIB_DIG_H4_LSB] >>
+ BME280_SHIFT_BIT_POSITION_BY_04_BITS));
+ p_bme280->cal_param.dig_H6 =
+ (s8)a_data_u8[BME280_HUMIDITY_CALIB_DIG_H6];
}
return com_rslt;
}
{
/* used to return the communication result*/
BME280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
- u8 v_data_u8 = BME280_ZERO_U8X;
+ u8 v_data_u8 = BME280_INIT_VALUE;
/* check the p_bme280 structure pointer as NULL*/
if (p_bme280 == BME280_NULL) {
return E_BME280_NULL_PTR;
com_rslt = p_bme280->BME280_BUS_READ_FUNC(
p_bme280->dev_addr,
BME280_CTRL_MEAS_REG_OVERSAMP_TEMPERATURE__REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
*v_value_u8 = BME280_GET_BITSLICE(v_data_u8,
BME280_CTRL_MEAS_REG_OVERSAMP_TEMPERATURE);
{
/* used to return the communication result*/
BME280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
- u8 v_data_u8 = BME280_ZERO_U8X;
- u8 v_prev_pow_mode_u8 = BME280_ZERO_U8X;
- u8 v_pre_ctrl_hum_value_u8 = BME280_ZERO_U8X;
- u8 v_pre_config_value_u8 = BME280_ZERO_U8X;
+ u8 v_data_u8 = BME280_INIT_VALUE;
+ u8 v_prev_pow_mode_u8 = BME280_INIT_VALUE;
+ u8 v_pre_ctrl_hum_value_u8 = BME280_INIT_VALUE;
+ u8 v_pre_config_value_u8 = BME280_INIT_VALUE;
/* check the p_bme280 structure pointer as NULL*/
if (p_bme280 == BME280_NULL) {
return E_BME280_NULL_PTR;
v_pre_config_value_u8 = p_bme280->config_reg;
com_rslt += bme280_write_register(
BME280_CONFIG_REG,
- &v_pre_config_value_u8, BME280_ONE_U8X);
+ &v_pre_config_value_u8,
+ BME280_GEN_READ_WRITE_DATA_LENGTH);
/* write previous value
of humidity oversampling*/
v_pre_ctrl_hum_value_u8 =
p_bme280->ctrl_hum_reg;
com_rslt += bme280_write_register(
BME280_CTRL_HUMIDITY_REG,
- &v_pre_ctrl_hum_value_u8, BME280_ONE_U8X);
+ &v_pre_ctrl_hum_value_u8,
+ BME280_GEN_READ_WRITE_DATA_LENGTH);
/* write previous and updated value
of configuration register*/
com_rslt += bme280_write_register(
BME280_CTRL_MEAS_REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
} else {
com_rslt = p_bme280->BME280_BUS_WRITE_FUNC(
p_bme280->dev_addr,
BME280_CTRL_MEAS_REG_OVERSAMP_TEMPERATURE__REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
}
p_bme280->oversamp_temperature = v_value_u8;
/* read the control measurement register value*/
com_rslt = bme280_read_register(
BME280_CTRL_MEAS_REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
p_bme280->ctrl_meas_reg = v_data_u8;
/* read the control humidity register value*/
com_rslt += bme280_read_register(
BME280_CTRL_HUMIDITY_REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
p_bme280->ctrl_hum_reg = v_data_u8;
/* read the control
configuration register value*/
com_rslt += bme280_read_register(
BME280_CONFIG_REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
p_bme280->config_reg = v_data_u8;
}
return com_rslt;
{
/* used to return the communication result*/
BME280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
- u8 v_data_u8 = BME280_ZERO_U8X;
+ u8 v_data_u8 = BME280_INIT_VALUE;
/* check the p_bme280 structure pointer as NULL*/
if (p_bme280 == BME280_NULL) {
return E_BME280_NULL_PTR;
com_rslt = p_bme280->BME280_BUS_READ_FUNC(
p_bme280->dev_addr,
BME280_CTRL_MEAS_REG_OVERSAMP_PRESSURE__REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
*v_value_u8 = BME280_GET_BITSLICE(
v_data_u8,
BME280_CTRL_MEAS_REG_OVERSAMP_PRESSURE);
{
/* used to return the communication result*/
BME280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
- u8 v_data_u8 = BME280_ZERO_U8X;
- u8 v_prev_pow_mode_u8 = BME280_ZERO_U8X;
- u8 v_pre_ctrl_hum_value_u8 = BME280_ZERO_U8X;
- u8 v_pre_config_value_u8 = BME280_ZERO_U8X;
+ u8 v_data_u8 = BME280_INIT_VALUE;
+ u8 v_prev_pow_mode_u8 = BME280_INIT_VALUE;
+ u8 v_pre_ctrl_hum_value_u8 = BME280_INIT_VALUE;
+ u8 v_pre_config_value_u8 = BME280_INIT_VALUE;
/* check the p_bme280 structure pointer as NULL*/
if (p_bme280 == BME280_NULL) {
return E_BME280_NULL_PTR;
v_pre_config_value_u8 = p_bme280->config_reg;
com_rslt = bme280_write_register(
BME280_CONFIG_REG,
- &v_pre_config_value_u8, BME280_ONE_U8X);
+ &v_pre_config_value_u8,
+ BME280_GEN_READ_WRITE_DATA_LENGTH);
/* write previous value of
humidity oversampling*/
v_pre_ctrl_hum_value_u8 =
p_bme280->ctrl_hum_reg;
com_rslt += bme280_write_register(
BME280_CTRL_HUMIDITY_REG,
- &v_pre_ctrl_hum_value_u8, BME280_ONE_U8X);
+ &v_pre_ctrl_hum_value_u8,
+ BME280_GEN_READ_WRITE_DATA_LENGTH);
/* write previous and updated value of
control measurement register*/
bme280_write_register(
BME280_CTRL_MEAS_REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
} else {
com_rslt = p_bme280->BME280_BUS_WRITE_FUNC(
p_bme280->dev_addr,
BME280_CTRL_MEAS_REG_OVERSAMP_PRESSURE__REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
}
p_bme280->oversamp_pressure = v_value_u8;
/* read the control measurement register value*/
com_rslt = bme280_read_register(
BME280_CTRL_MEAS_REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
p_bme280->ctrl_meas_reg = v_data_u8;
/* read the control humidity register value*/
com_rslt += bme280_read_register(
BME280_CTRL_HUMIDITY_REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
p_bme280->ctrl_hum_reg = v_data_u8;
/* read the control
configuration register value*/
com_rslt += bme280_read_register(
BME280_CONFIG_REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
p_bme280->config_reg = v_data_u8;
}
return com_rslt;
{
/* used to return the communication result*/
BME280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
- u8 v_data_u8 = BME280_ZERO_U8X;
+ u8 v_data_u8 = BME280_INIT_VALUE;
/* check the p_bme280 structure pointer as NULL*/
if (p_bme280 == BME280_NULL) {
return E_BME280_NULL_PTR;
} else {
com_rslt = p_bme280->BME280_BUS_READ_FUNC(
p_bme280->dev_addr,
- BME280_CTRL_HUMIDITY_REG_OVERSAM_HUMIDITY__REG,
- &v_data_u8, BME280_ONE_U8X);
+ BME280_CTRL_HUMIDITY_REG_OVERSAMP_HUMIDITY__REG,
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
*v_value_u8 = BME280_GET_BITSLICE(
v_data_u8,
- BME280_CTRL_HUMIDITY_REG_OVERSAM_HUMIDITY);
+ BME280_CTRL_HUMIDITY_REG_OVERSAMP_HUMIDITY);
p_bme280->oversamp_humidity = *v_value_u8;
}
*
*
*
- * @note The "BME280_CTRL_HUMIDITY_REG_OVERSAM_HUMIDITY"
+ * @note The "BME280_CTRL_HUMIDITY_REG_OVERSAMP_HUMIDITY"
* register sets the humidity
* data acquisition options of the device.
* @note changes to this registers only become
* effective after a write operation to
* "BME280_CTRL_MEAS_REG" register.
* @note In the code automated reading and writing of
- * "BME280_CTRL_HUMIDITY_REG_OVERSAM_HUMIDITY"
+ * "BME280_CTRL_HUMIDITY_REG_OVERSAMP_HUMIDITY"
* @note register first set the
- * "BME280_CTRL_HUMIDITY_REG_OVERSAM_HUMIDITY"
+ * "BME280_CTRL_HUMIDITY_REG_OVERSAMP_HUMIDITY"
* and then read and write
* the "BME280_CTRL_MEAS_REG" register in the function.
*
{
/* used to return the communication result*/
BME280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
- u8 v_data_u8 = BME280_ZERO_U8X;
- u8 pre_ctrl_meas_value = BME280_ZERO_U8X;
- u8 v_pre_config_value_u8 = BME280_ZERO_U8X;
- u8 v_prev_pow_mode_u8 = BME280_ZERO_U8X;
+ u8 v_data_u8 = BME280_INIT_VALUE;
+ u8 pre_ctrl_meas_value = BME280_INIT_VALUE;
+ u8 v_pre_config_value_u8 = BME280_INIT_VALUE;
+ u8 v_prev_pow_mode_u8 = BME280_INIT_VALUE;
/* check the p_bme280 structure pointer as NULL*/
if (p_bme280 == BME280_NULL) {
return E_BME280_NULL_PTR;
v_data_u8 = p_bme280->ctrl_hum_reg;
v_data_u8 =
BME280_SET_BITSLICE(v_data_u8,
- BME280_CTRL_HUMIDITY_REG_OVERSAM_HUMIDITY, v_value_u8);
+ BME280_CTRL_HUMIDITY_REG_OVERSAMP_HUMIDITY, v_value_u8);
com_rslt = bme280_get_power_mode(&v_prev_pow_mode_u8);
if (v_prev_pow_mode_u8 != BME280_SLEEP_MODE) {
com_rslt += bme280_set_soft_rst();
v_pre_config_value_u8 = p_bme280->config_reg;
com_rslt += bme280_write_register(
BME280_CONFIG_REG,
- &v_pre_config_value_u8, BME280_ONE_U8X);
+ &v_pre_config_value_u8,
+ BME280_GEN_READ_WRITE_DATA_LENGTH);
/* write the value of control humidity*/
com_rslt += bme280_write_register(
BME280_CTRL_HUMIDITY_REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
/* write previous value of
control measurement register*/
pre_ctrl_meas_value =
p_bme280->ctrl_meas_reg;
com_rslt += bme280_write_register(
BME280_CTRL_MEAS_REG,
- &pre_ctrl_meas_value, BME280_ONE_U8X);
+ &pre_ctrl_meas_value,
+ BME280_GEN_READ_WRITE_DATA_LENGTH);
} else {
com_rslt +=
p_bme280->BME280_BUS_WRITE_FUNC(
p_bme280->dev_addr,
- BME280_CTRL_HUMIDITY_REG_OVERSAM_HUMIDITY__REG,
- &v_data_u8, BME280_ONE_U8X);
+ BME280_CTRL_HUMIDITY_REG_OVERSAMP_HUMIDITY__REG,
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
/* Control humidity write will effective only
after the control measurement register*/
pre_ctrl_meas_value =
p_bme280->ctrl_meas_reg;
com_rslt += bme280_write_register(
BME280_CTRL_MEAS_REG,
- &pre_ctrl_meas_value, BME280_ONE_U8X);
+ &pre_ctrl_meas_value,
+ BME280_GEN_READ_WRITE_DATA_LENGTH);
}
p_bme280->oversamp_humidity = v_value_u8;
/* read the control measurement register value*/
com_rslt += bme280_read_register(BME280_CTRL_MEAS_REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
p_bme280->ctrl_meas_reg = v_data_u8;
/* read the control humidity register value*/
com_rslt += bme280_read_register(
BME280_CTRL_HUMIDITY_REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
p_bme280->ctrl_hum_reg = v_data_u8;
/* read the control configuration register value*/
com_rslt += bme280_read_register(BME280_CONFIG_REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
p_bme280->config_reg = v_data_u8;
}
return com_rslt;
{
/* used to return the communication result*/
BME280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
- u8 v_mode_u8r = BME280_ZERO_U8X;
+ u8 v_mode_u8r = BME280_INIT_VALUE;
/* check the p_bme280 structure pointer as NULL*/
if (p_bme280 == BME280_NULL) {
return E_BME280_NULL_PTR;
com_rslt = p_bme280->BME280_BUS_READ_FUNC(
p_bme280->dev_addr,
BME280_CTRL_MEAS_REG_POWER_MODE__REG,
- &v_mode_u8r, BME280_ONE_U8X);
+ &v_mode_u8r, BME280_GEN_READ_WRITE_DATA_LENGTH);
*v_power_mode_u8 = BME280_GET_BITSLICE(v_mode_u8r,
BME280_CTRL_MEAS_REG_POWER_MODE);
}
{
/* used to return the communication result*/
BME280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
- u8 v_mode_u8r = BME280_ZERO_U8X;
- u8 v_prev_pow_mode_u8 = BME280_ZERO_U8X;
- u8 v_pre_ctrl_hum_value_u8 = BME280_ZERO_U8X;
- u8 v_pre_config_value_u8 = BME280_ZERO_U8X;
- u8 v_data_u8 = BME280_ZERO_U8X;
+ u8 v_mode_u8r = BME280_INIT_VALUE;
+ u8 v_prev_pow_mode_u8 = BME280_INIT_VALUE;
+ u8 v_pre_ctrl_hum_value_u8 = BME280_INIT_VALUE;
+ u8 v_pre_config_value_u8 = BME280_INIT_VALUE;
+ u8 v_data_u8 = BME280_INIT_VALUE;
/* check the p_bme280 structure pointer as NULL*/
if (p_bme280 == BME280_NULL) {
return E_BME280_NULL_PTR;
} else {
- if (v_power_mode_u8 < BME280_FOUR_U8X) {
+ if (v_power_mode_u8 <= BME280_NORMAL_MODE) {
v_mode_u8r = p_bme280->ctrl_meas_reg;
v_mode_u8r =
BME280_SET_BITSLICE(v_mode_u8r,
p_bme280->config_reg;
com_rslt = bme280_write_register(
BME280_CONFIG_REG,
- &v_pre_config_value_u8, BME280_ONE_U8X);
+ &v_pre_config_value_u8,
+ BME280_GEN_READ_WRITE_DATA_LENGTH);
/* write previous value of
humidity oversampling*/
v_pre_ctrl_hum_value_u8 =
com_rslt += bme280_write_register(
BME280_CTRL_HUMIDITY_REG,
&v_pre_ctrl_hum_value_u8,
- BME280_ONE_U8X);
+ BME280_GEN_READ_WRITE_DATA_LENGTH);
/* write previous and updated value of
control measurement register*/
com_rslt += bme280_write_register(
BME280_CTRL_MEAS_REG,
- &v_mode_u8r, BME280_ONE_U8X);
+ &v_mode_u8r,
+ BME280_GEN_READ_WRITE_DATA_LENGTH);
} else {
com_rslt =
p_bme280->BME280_BUS_WRITE_FUNC(
p_bme280->dev_addr,
BME280_CTRL_MEAS_REG_POWER_MODE__REG,
- &v_mode_u8r, BME280_ONE_U8X);
+ &v_mode_u8r,
+ BME280_GEN_READ_WRITE_DATA_LENGTH);
}
/* read the control measurement register value*/
com_rslt = bme280_read_register(
BME280_CTRL_MEAS_REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
p_bme280->ctrl_meas_reg = v_data_u8;
/* read the control humidity register value*/
com_rslt += bme280_read_register(
BME280_CTRL_HUMIDITY_REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
p_bme280->ctrl_hum_reg = v_data_u8;
/* read the config register value*/
com_rslt += bme280_read_register(
BME280_CONFIG_REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
p_bme280->config_reg = v_data_u8;
} else {
com_rslt = E_BME280_OUT_OF_RANGE;
*
*
*/
-BME280_RETURN_FUNCTION_TYPE bme280_set_soft_rst()
+BME280_RETURN_FUNCTION_TYPE bme280_set_soft_rst(void)
{
/* used to return the communication result*/
BME280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
} else {
com_rslt = p_bme280->BME280_BUS_WRITE_FUNC(
p_bme280->dev_addr,
- BME280_RST_REG, &v_data_u8, BME280_ONE_U8X);
+ BME280_RST_REG, &v_data_u8,
+ BME280_GEN_READ_WRITE_DATA_LENGTH);
}
return com_rslt;
}
{
/* used to return the communication result*/
BME280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
- u8 v_data_u8 = BME280_ZERO_U8X;
+ u8 v_data_u8 = BME280_INIT_VALUE;
/* check the p_bme280 structure pointer as NULL*/
if (p_bme280 == BME280_NULL) {
return E_BME280_NULL_PTR;
com_rslt = p_bme280->BME280_BUS_READ_FUNC(
p_bme280->dev_addr,
BME280_CONFIG_REG_SPI3_ENABLE__REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
*v_enable_disable_u8 = BME280_GET_BITSLICE(
v_data_u8,
BME280_CONFIG_REG_SPI3_ENABLE);
{
/* used to return the communication result*/
BME280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
- u8 v_data_u8 = BME280_ZERO_U8X;
- u8 pre_ctrl_meas_value = BME280_ZERO_U8X;
- u8 v_prev_pow_mode_u8 = BME280_ZERO_U8X;
- u8 v_pre_ctrl_hum_value_u8 = BME280_ZERO_U8X;
+ u8 v_data_u8 = BME280_INIT_VALUE;
+ u8 pre_ctrl_meas_value = BME280_INIT_VALUE;
+ u8 v_prev_pow_mode_u8 = BME280_INIT_VALUE;
+ u8 v_pre_ctrl_hum_value_u8 = BME280_INIT_VALUE;
/* check the p_bme280 structure pointer as NULL*/
if (p_bme280 == BME280_NULL) {
return E_BME280_NULL_PTR;
configuration register*/
com_rslt += bme280_write_register(
BME280_CONFIG_REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
/* write previous value of
humidity oversampling*/
v_pre_ctrl_hum_value_u8 =
p_bme280->ctrl_hum_reg;
com_rslt += bme280_write_register(
BME280_CTRL_HUMIDITY_REG,
- &v_pre_ctrl_hum_value_u8, BME280_ONE_U8X);
+ &v_pre_ctrl_hum_value_u8,
+ BME280_GEN_READ_WRITE_DATA_LENGTH);
/* write previous value of
control measurement register*/
pre_ctrl_meas_value =
p_bme280->ctrl_meas_reg;
com_rslt += bme280_write_register(
BME280_CTRL_MEAS_REG,
- &pre_ctrl_meas_value, BME280_ONE_U8X);
+ &pre_ctrl_meas_value,
+ BME280_GEN_READ_WRITE_DATA_LENGTH);
} else {
com_rslt =
p_bme280->BME280_BUS_WRITE_FUNC(
p_bme280->dev_addr,
BME280_CONFIG_REG_SPI3_ENABLE__REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
}
/* read the control measurement register value*/
com_rslt += bme280_read_register(
BME280_CTRL_MEAS_REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
p_bme280->ctrl_meas_reg = v_data_u8;
/* read the control humidity register value*/
com_rslt += bme280_read_register(
BME280_CTRL_HUMIDITY_REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
p_bme280->ctrl_hum_reg = v_data_u8;
/* read the control configuration register value*/
com_rslt += bme280_read_register(
BME280_CONFIG_REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
p_bme280->config_reg = v_data_u8;
}
return com_rslt;
{
/* used to return the communication result*/
BME280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
- u8 v_data_u8 = BME280_ZERO_U8X;
+ u8 v_data_u8 = BME280_INIT_VALUE;
/* check the p_bme280 structure pointer as NULL*/
if (p_bme280 == BME280_NULL) {
return E_BME280_NULL_PTR;
com_rslt = p_bme280->BME280_BUS_READ_FUNC(
p_bme280->dev_addr,
BME280_CONFIG_REG_FILTER__REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
*v_value_u8 = BME280_GET_BITSLICE(v_data_u8,
BME280_CONFIG_REG_FILTER);
}
{
/* used to return the communication result*/
BME280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
- u8 v_data_u8 = BME280_ZERO_U8X;
- u8 pre_ctrl_meas_value = BME280_ZERO_U8X;
- u8 v_prev_pow_mode_u8 = BME280_ZERO_U8X;
- u8 v_pre_ctrl_hum_value_u8 = BME280_ZERO_U8X;
+ u8 v_data_u8 = BME280_INIT_VALUE;
+ u8 pre_ctrl_meas_value = BME280_INIT_VALUE;
+ u8 v_prev_pow_mode_u8 = BME280_INIT_VALUE;
+ u8 v_pre_ctrl_hum_value_u8 = BME280_INIT_VALUE;
/* check the p_bme280 structure pointer as NULL*/
if (p_bme280 == BME280_NULL) {
return E_BME280_NULL_PTR;
configuration register*/
com_rslt += bme280_write_register(
BME280_CONFIG_REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
/* write previous value of
humidity oversampling*/
v_pre_ctrl_hum_value_u8 =
p_bme280->ctrl_hum_reg;
com_rslt += bme280_write_register(
BME280_CTRL_HUMIDITY_REG,
- &v_pre_ctrl_hum_value_u8, BME280_ONE_U8X);
+ &v_pre_ctrl_hum_value_u8,
+ BME280_GEN_READ_WRITE_DATA_LENGTH);
/* write previous value of
control measurement register*/
pre_ctrl_meas_value =
p_bme280->ctrl_meas_reg;
com_rslt += bme280_write_register(
BME280_CTRL_MEAS_REG,
- &pre_ctrl_meas_value, BME280_ONE_U8X);
+ &pre_ctrl_meas_value,
+ BME280_GEN_READ_WRITE_DATA_LENGTH);
} else {
com_rslt =
p_bme280->BME280_BUS_WRITE_FUNC(
p_bme280->dev_addr,
BME280_CONFIG_REG_FILTER__REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
}
/* read the control measurement register value*/
com_rslt += bme280_read_register(BME280_CTRL_MEAS_REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
p_bme280->ctrl_meas_reg = v_data_u8;
/* read the control humidity register value*/
com_rslt += bme280_read_register(
BME280_CTRL_HUMIDITY_REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
p_bme280->ctrl_hum_reg = v_data_u8;
/* read the configuration register value*/
com_rslt += bme280_read_register(BME280_CONFIG_REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
p_bme280->config_reg = v_data_u8;
}
return com_rslt;
{
/* used to return the communication result*/
BME280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
- u8 v_data_u8 = BME280_ZERO_U8X;
+ u8 v_data_u8 = BME280_INIT_VALUE;
/* check the p_bme280 structure pointer as NULL*/
if (p_bme280 == BME280_NULL) {
return E_BME280_NULL_PTR;
com_rslt = p_bme280->BME280_BUS_READ_FUNC(
p_bme280->dev_addr,
BME280_CONFIG_REG_TSB__REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
*v_standby_durn_u8 = BME280_GET_BITSLICE(
v_data_u8, BME280_CONFIG_REG_TSB);
}
{
/* used to return the communication result*/
BME280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
- u8 v_data_u8 = BME280_ZERO_U8X;
- u8 pre_ctrl_meas_value = BME280_ZERO_U8X;
- u8 v_prev_pow_mode_u8 = BME280_ZERO_U8X;
- u8 v_pre_ctrl_hum_value_u8 = BME280_ZERO_U8X;
+ u8 v_data_u8 = BME280_INIT_VALUE;
+ u8 pre_ctrl_meas_value = BME280_INIT_VALUE;
+ u8 v_prev_pow_mode_u8 = BME280_INIT_VALUE;
+ u8 v_pre_ctrl_hum_value_u8 = BME280_INIT_VALUE;
/* check the p_bme280 structure pointer as NULL*/
if (p_bme280 == BME280_NULL) {
return E_BME280_NULL_PTR;
configuration register*/
com_rslt += bme280_write_register(
BME280_CONFIG_REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
/* write previous value of
humidity oversampling*/
v_pre_ctrl_hum_value_u8 =
p_bme280->ctrl_hum_reg;
com_rslt += bme280_write_register(
BME280_CTRL_HUMIDITY_REG,
- &v_pre_ctrl_hum_value_u8, BME280_ONE_U8X);
+ &v_pre_ctrl_hum_value_u8,
+ BME280_GEN_READ_WRITE_DATA_LENGTH);
/* write previous value of control
measurement register*/
pre_ctrl_meas_value =
p_bme280->ctrl_meas_reg;
com_rslt += bme280_write_register(
BME280_CTRL_MEAS_REG,
- &pre_ctrl_meas_value, BME280_ONE_U8X);
+ &pre_ctrl_meas_value,
+ BME280_GEN_READ_WRITE_DATA_LENGTH);
} else {
com_rslt =
p_bme280->BME280_BUS_WRITE_FUNC(
p_bme280->dev_addr,
BME280_CONFIG_REG_TSB__REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
}
/* read the control measurement register value*/
com_rslt += bme280_read_register(BME280_CTRL_MEAS_REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
p_bme280->ctrl_meas_reg = v_data_u8;
/* read the control humidity register value*/
com_rslt += bme280_read_register(
BME280_CTRL_HUMIDITY_REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
p_bme280->ctrl_hum_reg = v_data_u8;
/* read the configuration register value*/
com_rslt += bme280_read_register(BME280_CONFIG_REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
p_bme280->config_reg = v_data_u8;
}
return com_rslt;
/*BME280_RETURN_FUNCTION_TYPE bme280_set_work_mode(u8 v_work_mode_u8)
{
BME280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
-u8 v_data_u8 = BME280_ZERO_U8X;
+u8 v_data_u8 = BME280_INIT_VALUE;
if (p_bme280 == BME280_NULL) {
return E_BME280_NULL_PTR;
} else {
- if (v_work_mode_u8 <= BME280_FOUR_U8X) {
+ if (v_work_mode_u8 <= BME280_ULTRAHIGHRESOLUTION_MODE) {
com_rslt = p_bme280->BME280_BUS_READ_FUNC(
p_bme280->dev_addr, BME280_CTRL_MEAS_REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
if (com_rslt == SUCCESS) {
switch (v_work_mode_u8) {
case BME280_ULTRALOWPOWER_MODE:
p_bme280->osrs_p);
com_rslt += p_bme280->BME280_BUS_WRITE_FUNC(
p_bme280->dev_addr, BME280_CTRL_MEAS_REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
}
} else {
com_rslt = E_BME280_OUT_OF_RANGE;
{
/* used to return the communication result*/
BME280_RETURN_FUNCTION_TYPE com_rslt = ERROR;
- u8 v_data_u8 = BME280_ZERO_U8X;
- u8 v_waittime_u8r = BME280_ZERO_U8X;
- u8 v_prev_pow_mode_u8 = BME280_ZERO_U8X;
- u8 v_mode_u8r = BME280_ZERO_U8X;
- u8 pre_ctrl_config_value = BME280_ZERO_U8X;
- u8 v_pre_ctrl_hum_value_u8 = BME280_ZERO_U8X;
+ u8 v_data_u8 = BME280_INIT_VALUE;
+ u8 v_waittime_u8r = BME280_INIT_VALUE;
+ u8 v_prev_pow_mode_u8 = BME280_INIT_VALUE;
+ u8 v_mode_u8r = BME280_INIT_VALUE;
+ u8 pre_ctrl_config_value = BME280_INIT_VALUE;
+ u8 v_pre_ctrl_hum_value_u8 = BME280_INIT_VALUE;
/* check the p_bme280 structure pointer as NULL*/
if (p_bme280 == BME280_NULL) {
return E_BME280_NULL_PTR;
pre_ctrl_config_value = p_bme280->config_reg;
com_rslt += bme280_write_register(
BME280_CONFIG_REG,
- &pre_ctrl_config_value, BME280_ONE_U8X);
+ &pre_ctrl_config_value,
+ BME280_GEN_READ_WRITE_DATA_LENGTH);
/* write previous value of
humidity oversampling*/
v_pre_ctrl_hum_value_u8 =
p_bme280->ctrl_hum_reg;
com_rslt += bme280_write_register(
BME280_CTRL_HUMIDITY_REG,
- &v_pre_ctrl_hum_value_u8, BME280_ONE_U8X);
+ &v_pre_ctrl_hum_value_u8,
+ BME280_GEN_READ_WRITE_DATA_LENGTH);
/* write the force mode */
com_rslt += bme280_write_register(
BME280_CTRL_MEAS_REG,
- &v_mode_u8r, BME280_ONE_U8X);
+ &v_mode_u8r, BME280_GEN_READ_WRITE_DATA_LENGTH);
} else {
/* write previous value of
humidity oversampling*/
p_bme280->ctrl_hum_reg;
com_rslt += bme280_write_register(
BME280_CTRL_HUMIDITY_REG,
- &v_pre_ctrl_hum_value_u8, BME280_ONE_U8X);
+ &v_pre_ctrl_hum_value_u8,
+ BME280_GEN_READ_WRITE_DATA_LENGTH);
/* write the force mode */
com_rslt += bme280_write_register(
BME280_CTRL_MEAS_REG,
- &v_mode_u8r, BME280_ONE_U8X);
+ &v_mode_u8r, BME280_GEN_READ_WRITE_DATA_LENGTH);
}
bme280_compute_wait_time(&v_waittime_u8r);
p_bme280->delay_msec(v_waittime_u8r);
/* read the control humidity register value*/
com_rslt += bme280_read_register(
BME280_CTRL_HUMIDITY_REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
p_bme280->ctrl_hum_reg = v_data_u8;
/* read the configuration register value*/
com_rslt += bme280_read_register(BME280_CONFIG_REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
p_bme280->config_reg = v_data_u8;
/* read the control measurement register value*/
com_rslt += bme280_read_register(BME280_CTRL_MEAS_REG,
- &v_data_u8, BME280_ONE_U8X);
+ &v_data_u8, BME280_GEN_READ_WRITE_DATA_LENGTH);
p_bme280->ctrl_meas_reg = v_data_u8;
}
return com_rslt;
* @return Return the actual temperature in floating point
*
*/
-double bme280_compensate_T_double(s32 v_uncom_temperature_s32)
+double bme280_compensate_temperature_double(s32 v_uncom_temperature_s32)
{
- double v_x1_u32 = BME280_ZERO_U8X;
- double v_x2_u32 = BME280_ZERO_U8X;
- double temperature = BME280_ZERO_U8X;
+ double v_x1_u32 = BME280_INIT_VALUE;
+ double v_x2_u32 = BME280_INIT_VALUE;
+ double temperature = BME280_INIT_VALUE;
- v_x1_u32 = (((double)v_uncom_temperature_s32)
- / BME280_FLOAT_TRUE_TEMP_1_6_3_8_4_DATA -
- ((double)p_bme280->cal_param.dig_T1)
- / BME280_FLOAT_TRUE_TEMP_1_0_2_4_DATA) *
+ v_x1_u32 = (((double)v_uncom_temperature_s32) / 16384.0 -
+ ((double)p_bme280->cal_param.dig_T1) / 1024.0) *
((double)p_bme280->cal_param.dig_T2);
- v_x2_u32 = ((((double)v_uncom_temperature_s32)
- / BME280_FLOAT_TRUE_TEMP_1_3_1_0_7_2_DATA -
- ((double)p_bme280->cal_param.dig_T1)
- / BME280_FLOAT_TRUE_TEMP_8_1_9_2_DATA) *
- (((double)v_uncom_temperature_s32) /
- BME280_FLOAT_TRUE_TEMP_1_3_1_0_7_2_DATA -
- ((double)p_bme280->cal_param.dig_T1) /
- BME280_FLOAT_TRUE_TEMP_8_1_9_2_DATA)) *
+ v_x2_u32 = ((((double)v_uncom_temperature_s32) / 131072.0 -
+ ((double)p_bme280->cal_param.dig_T1) / 8192.0) *
+ (((double)v_uncom_temperature_s32) / 131072.0 -
+ ((double)p_bme280->cal_param.dig_T1) / 8192.0)) *
((double)p_bme280->cal_param.dig_T3);
p_bme280->cal_param.t_fine = (s32)(v_x1_u32 + v_x2_u32);
- temperature = (v_x1_u32 + v_x2_u32) /
- BME280_FLOAT_TRUE_TEMP_5_1_2_0_DATA;
+ temperature = (v_x1_u32 + v_x2_u32) / 5120.0;
return temperature;
* @return Return the actual pressure in floating point
*
*/
-double bme280_compensate_P_double(s32 v_uncom_pressure_s32)
+double bme280_compensate_pressure_double(s32 v_uncom_pressure_s32)
{
- double v_x1_u32 = BME280_ZERO_U8X;
- double v_x2_u32 = BME280_ZERO_U8X;
- double pressure = BME280_ZERO_U8X;
+ double v_x1_u32 = BME280_INIT_VALUE;
+ double v_x2_u32 = BME280_INIT_VALUE;
+ double pressure = BME280_INIT_VALUE;
v_x1_u32 = ((double)p_bme280->cal_param.t_fine /
- BME280_FLAOT_TRUE_PRESSURE_2_DATA) -
- BME280_FLAOT_TRUE_PRESSURE_6_4_0_0_0_DATA;
+ 2.0) - 64000.0;
v_x2_u32 = v_x1_u32 * v_x1_u32 *
- ((double)p_bme280->cal_param.dig_P6) /
- BME280_FLAOT_TRUE_PRESSURE_3_2_7_6_8_DATA;
+ ((double)p_bme280->cal_param.dig_P6) / 32768.0;
v_x2_u32 = v_x2_u32 + v_x1_u32 *
- ((double)p_bme280->cal_param.dig_P5) *
- BME280_FLAOT_TRUE_PRESSURE_2_DATA;
- v_x2_u32 = (v_x2_u32 / BME280_FLAOT_TRUE_PRESSURE_4_DATA) +
- (((double)p_bme280->cal_param.dig_P4) *
- BME280_FLAOT_TRUE_PRESSURE_6_5_5_3_6_DATA);
+ ((double)p_bme280->cal_param.dig_P5) * 2.0;
+ v_x2_u32 = (v_x2_u32 / 4.0) +
+ (((double)p_bme280->cal_param.dig_P4) * 65536.0);
v_x1_u32 = (((double)p_bme280->cal_param.dig_P3) *
- v_x1_u32 * v_x1_u32
- / BME280_FLAOT_TRUE_PRESSURE_5_2_4_2_8_8_DATA +
- ((double)p_bme280->cal_param.dig_P2) * v_x1_u32) /
- BME280_FLAOT_TRUE_PRESSURE_5_2_4_2_8_8_DATA;
- v_x1_u32 = (BME280_FLAOT_TRUE_PRESSURE_1_DATA + v_x1_u32
- / BME280_FLAOT_TRUE_PRESSURE_3_2_7_6_8_DATA) *
+ v_x1_u32 * v_x1_u32 / 524288.0 +
+ ((double)p_bme280->cal_param.dig_P2) * v_x1_u32) / 524288.0;
+ v_x1_u32 = (1.0 + v_x1_u32 / 32768.0) *
((double)p_bme280->cal_param.dig_P1);
- pressure = BME280_FLAOT_TRUE_PRESSURE_1_0_4_8_5_7_6_DATA
- - (double)v_uncom_pressure_s32;
+ pressure = 1048576.0 - (double)v_uncom_pressure_s32;
/* Avoid exception caused by division by zero */
- if (v_x1_u32 != BME280_ZERO_U8X)
- pressure = (pressure - (v_x2_u32
- / BME280_FLAOT_TRUE_PRESSURE_4_0_9_6_DATA))
- * BME280_FLAOT_TRUE_PRESSURE_6_2_5_0_DATA / v_x1_u32;
+ if (v_x1_u32 != BME280_INIT_VALUE)
+ pressure = (pressure - (v_x2_u32 / 4096.0)) * 6250.0 / v_x1_u32;
else
- return BME280_ZERO_U8X;
+ return BME280_INVALID_DATA;
v_x1_u32 = ((double)p_bme280->cal_param.dig_P9) *
- pressure * pressure /
- BME280_FLAOT_TRUE_PRESSURE_2_1_4_7_4_8_3_6_4_8_DATA;
- v_x2_u32 = pressure * ((double)p_bme280->cal_param.dig_P8)
- / BME280_FLAOT_TRUE_PRESSURE_3_2_7_6_8_DATA;
+ pressure * pressure / 2147483648.0;
+ v_x2_u32 = pressure * ((double)p_bme280->cal_param.dig_P8) / 32768.0;
pressure = pressure + (v_x1_u32 + v_x2_u32 +
- ((double)p_bme280->cal_param.dig_P7))
- / BME280_FLAOT_TRUE_PRESSURE_1_6_DATA;
+ ((double)p_bme280->cal_param.dig_P7)) / 16.0;
return pressure;
}
* @return Return the actual humidity in floating point
*
*/
-double bme280_compensate_H_double(s32 v_uncom_humidity_s32)
+double bme280_compensate_humidity_double(s32 v_uncom_humidity_s32)
{
- double var_h = BME280_ZERO_U8X;
- var_h = (((double)p_bme280->cal_param.t_fine)
- - BME280_TRUE_HUMIDITY_7_6_8_0_0_DATA);
- if (var_h != BME280_ZERO_U8X)
+ double var_h = BME280_INIT_VALUE;
+
+ var_h = (((double)p_bme280->cal_param.t_fine) - 76800.0);
+ if (var_h != BME280_INIT_VALUE)
var_h = (v_uncom_humidity_s32 -
- (((double)p_bme280->cal_param.dig_H4)
- * BME280_TRUE_HUMIDITY_6_4_DATA +
- ((double)p_bme280->cal_param.dig_H5)
- / BME280_TRUE_HUMIDITY_1_6_3_8_4_DATA * var_h))*
- (((double)p_bme280->cal_param.dig_H2)
- /BME280_TRUE_HUMIDITY_6_5_5_3_6_DATA *
- (BME280_TRUE_HUMIDITY_1_DATA + ((double)
- p_bme280->cal_param.dig_H6)
- / BME280_TRUE_HUMIDITY_6_7_1_0_8_8_6_4_DATA
- * var_h * (BME280_TRUE_HUMIDITY_1_DATA + ((double)
- p_bme280->cal_param.dig_H3)
- / BME280_TRUE_HUMIDITY_6_7_1_0_8_8_6_4_DATA * var_h)));
+ (((double)p_bme280->cal_param.dig_H4) * 64.0 +
+ ((double)p_bme280->cal_param.dig_H5) / 16384.0 * var_h))*
+ (((double)p_bme280->cal_param.dig_H2) / 65536.0 *
+ (1.0 + ((double) p_bme280->cal_param.dig_H6)
+ / 67108864.0 * var_h * (1.0 + ((double)
+ p_bme280->cal_param.dig_H3) / 67108864.0 * var_h)));
else
- return BME280_ZERO_U8X;
- var_h = var_h * (BME280_TRUE_HUMIDITY_1_DATA - ((double)
- p_bme280->cal_param.dig_H1)*var_h
- / BME280_TRUE_HUMIDITY_5_2_4_2_8_8_DATA);
- if (var_h > BME280_TRUE_HUMIDITY_1_0_0_DATA)
- var_h = BME280_TRUE_HUMIDITY_1_0_0_DATA;
- else if (var_h < BME280_TRUE_HUMIDITY_0_DATA)
- var_h = BME280_TRUE_HUMIDITY_0_DATA;
+ return BME280_INVALID_DATA;
+ var_h = var_h * (1.0 - ((double)
+ p_bme280->cal_param.dig_H1)*var_h / 524288.0);
+ if (var_h > 100.0)
+ var_h = 100.0;
+ else if (var_h < 0.0)
+ var_h = 0.0;
return var_h;
}
* @return Return the actual pressure in u32
*
*/
-u32 bme280_compensate_P_int64(s32 v_uncom_pressure_s32)
+u32 bme280_compensate_pressure_int64(s32 v_uncom_pressure_s32)
{
- s64 v_x1_s64r = BME280_ZERO_U8X;
- s64 v_x2_s64r = BME280_ZERO_U8X;
- s64 pressure = BME280_ZERO_U8X;
+ s64 v_x1_s64r = BME280_INIT_VALUE;
+ s64 v_x2_s64r = BME280_INIT_VALUE;
+ s64 pressure = BME280_INIT_VALUE;
+
v_x1_s64r = ((s64)p_bme280->cal_param.t_fine)
- - BME280_TRUE_PRESSURE_1_2_8_0_0_0_DATA;
+ - 128000;
v_x2_s64r = v_x1_s64r * v_x1_s64r *
(s64)p_bme280->cal_param.dig_P6;
v_x2_s64r = v_x2_s64r + ((v_x1_s64r *
(s64)p_bme280->cal_param.dig_P5)
- << SHIFT_LEFT_17_POSITION);
+ << BME280_SHIFT_BIT_POSITION_BY_17_BITS);
v_x2_s64r = v_x2_s64r +
(((s64)p_bme280->cal_param.dig_P4)
- << SHIFT_LEFT_35_POSITION);
+ << BME280_SHIFT_BIT_POSITION_BY_35_BITS);
v_x1_s64r = ((v_x1_s64r * v_x1_s64r *
(s64)p_bme280->cal_param.dig_P3)
- >> SHIFT_RIGHT_8_POSITION) +
+ >> BME280_SHIFT_BIT_POSITION_BY_08_BITS) +
((v_x1_s64r * (s64)p_bme280->cal_param.dig_P2)
- << SHIFT_LEFT_12_POSITION);
- v_x1_s64r = (((((s64)BME280_ONE_U8X)
- << SHIFT_LEFT_47_POSITION) + v_x1_s64r)) *
+ << BME280_SHIFT_BIT_POSITION_BY_12_BITS);
+ v_x1_s64r = (((((s64)1)
+ << BME280_SHIFT_BIT_POSITION_BY_47_BITS) + v_x1_s64r)) *
((s64)p_bme280->cal_param.dig_P1)
- >> SHIFT_RIGHT_33_POSITION;
- pressure = BME280_TRUE_PRESSURE_1_0_4_8_5_7_6_DATA
- - v_uncom_pressure_s32;
+ >> BME280_SHIFT_BIT_POSITION_BY_33_BITS;
+ pressure = 1048576 - v_uncom_pressure_s32;
/* Avoid exception caused by division by zero */
- if (v_x1_s64r != BME280_ZERO_U8X)
+ if (v_x1_s64r != BME280_INIT_VALUE)
#if defined __KERNEL__
pressure = div64_s64((((pressure
- << SHIFT_LEFT_31_POSITION) - v_x2_s64r)
- * BME280_TRUE_PRESSURE_3_1_2_5_DATA),
- v_x1_s64r);
+ << BME280_SHIFT_BIT_POSITION_BY_31_BITS) - v_x2_s64r)
+ * 3125), v_x1_s64r);
#else
pressure = (((pressure
- << SHIFT_LEFT_31_POSITION) - v_x2_s64r)
- * BME280_TRUE_PRESSURE_3_1_2_5_DATA) / v_x1_s64r;
+ << BME280_SHIFT_BIT_POSITION_BY_31_BITS) - v_x2_s64r)
+ * 3125) / v_x1_s64r;
#endif
else
- return BME280_ZERO_U8X;
+ return BME280_INVALID_DATA;
v_x1_s64r = (((s64)p_bme280->cal_param.dig_P9) *
- (pressure >> SHIFT_RIGHT_13_POSITION) *
- (pressure >> SHIFT_RIGHT_13_POSITION))
- >> SHIFT_RIGHT_25_POSITION;
+ (pressure >> BME280_SHIFT_BIT_POSITION_BY_13_BITS) *
+ (pressure >> BME280_SHIFT_BIT_POSITION_BY_13_BITS))
+ >> BME280_SHIFT_BIT_POSITION_BY_25_BITS;
v_x2_s64r = (((s64)p_bme280->cal_param.dig_P8) *
- pressure) >> SHIFT_RIGHT_19_POSITION;
+ pressure) >> BME280_SHIFT_BIT_POSITION_BY_19_BITS;
pressure = (((pressure + v_x1_s64r +
- v_x2_s64r) >> SHIFT_RIGHT_8_POSITION) +
+ v_x2_s64r) >> BME280_SHIFT_BIT_POSITION_BY_08_BITS) +
(((s64)p_bme280->cal_param.dig_P7)
- << SHIFT_LEFT_4_POSITION));
+ << BME280_SHIFT_BIT_POSITION_BY_04_BITS));
return (u32)pressure;
}
* @return the actual pressure in u32
*
*/
-u32 bme280_compensate_P_int64_twentyfour_bit_output(s32 v_uncom_pressure_s32)
+u32 bme280_compensate_pressure_int64_twentyfour_bit_output(
+s32 v_uncom_pressure_s32)
{
- u32 pressure = BME280_ZERO_U8X;
- pressure = bme280_compensate_P_int64(v_uncom_pressure_s32);
- pressure = (u32)(pressure >> SHIFT_RIGHT_1_POSITION);
+ u32 pressure = BME280_INIT_VALUE;
+
+ pressure = bme280_compensate_pressure_int64(
+ v_uncom_pressure_s32);
+ pressure = (u32)(pressure >> BME280_SHIFT_BIT_POSITION_BY_01_BIT);
return pressure;
}
#endif
*v_delaytime_u8 = (T_INIT_MAX +
T_MEASURE_PER_OSRS_MAX *
- (((BME280_ONE_U8X
- << p_bme280->oversamp_temperature)
- >> SHIFT_RIGHT_1_POSITION) +
- ((BME280_ONE_U8X << p_bme280->oversamp_pressure)
- >> SHIFT_RIGHT_1_POSITION) +
- ((BME280_ONE_U8X << p_bme280->oversamp_humidity)
- >> SHIFT_RIGHT_1_POSITION))+
- (p_bme280->oversamp_pressure ?
- T_SETUP_PRESSURE_MAX : BME280_ZERO_U8X) +
+ (((1 <<
+ p_bme280->oversamp_temperature)
+ >> BME280_SHIFT_BIT_POSITION_BY_01_BIT)
+ + ((1 << p_bme280->oversamp_pressure)
+ >> BME280_SHIFT_BIT_POSITION_BY_01_BIT) +
+ ((1 << p_bme280->oversamp_humidity)
+ >> BME280_SHIFT_BIT_POSITION_BY_01_BIT))
+ + (p_bme280->oversamp_pressure ?
+ T_SETUP_PRESSURE_MAX : 0) +
(p_bme280->oversamp_humidity ?
- T_SETUP_HUMIDITY_MAX : BME280_ZERO_U8X)
- + BME280_FIVETEEN_U8X) / BME280_SIXTEEN_U8X;
+ T_SETUP_HUMIDITY_MAX : 0) + 15) / 16;
return com_rslt;
}
/** \mainpage
*
****************************************************************************
-* Copyright (C) 2013 - 2014 Bosch Sensortec GmbH
+* Copyright (C) 2013 - 2015 Bosch Sensortec GmbH
*
* File : bme280.h
*
-* Date : 2014/12/12
+* Date : 2015/03/27
*
-* Revision : 2.0.3(Pressure and Temperature compensation code revision is 1.1
+* Revision : 2.0.4(Pressure and Temperature compensation code revision is 1.1
* and Humidity compensation code revision is 1.0)
*
* Usage: Sensor Driver for BME280 sensor
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 */
+/*! @brief
+ * If your machine support 64 bit
+ * define the MACHINE_64_BIT
+ */
#define BME280_64BITSUPPORT_PRESENT
/* If your machine support 64 bit
/**\name COMMON USED CONSTANTS */
/***************************************************************/
/* Constants */
-#define BME280_NULL 0
+#define BME280_NULL (0)
#define BME280_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_7_POSITION 7
-#define SHIFT_RIGHT_8_POSITION 8
-#define SHIFT_RIGHT_10_POSITION 10
-#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_13_POSITION 13
-#define SHIFT_LEFT_14_POSITION 14
-#define SHIFT_LEFT_16_POSITION 16
-#define SHIFT_LEFT_17_POSITION 17
-#define SHIFT_LEFT_20_POSITION 20
-#define SHIFT_LEFT_31_POSITION 31
-#define SHIFT_LEFT_35_POSITION 35
-#define SHIFT_LEFT_47_POSITION 47
-/* numeric definitions*/
-#define BME280_ONE_U8X 1
-#define BME280_TWO_U8X 2
-#define BME280_THREE_U8X 3
-#define BME280_FOUR_U8X 4
-#define BME280_FIVE_U8X 5
-#define BME280_SEVEN_U8X 7
-#define BME280_ZERO_U8X 0
-#define BME280_EIGHT_U8X 8
-#define BME280_FIVETEEN_U8X 15
-#define BME280_SIXTEEN_U8X 16
-#define BME280_TWENTY_FIVE_U8X 25
-#define BME280_TWENTY_SIX_U8X 26
-#define BME280_ONE_TWENTY_EIGHT_U8X 128
+/* shift definitions*/
+#define BME280_SHIFT_BIT_POSITION_BY_01_BIT (1)
+#define BME280_SHIFT_BIT_POSITION_BY_02_BITS (2)
+#define BME280_SHIFT_BIT_POSITION_BY_03_BITS (3)
+#define BME280_SHIFT_BIT_POSITION_BY_04_BITS (4)
+#define BME280_SHIFT_BIT_POSITION_BY_07_BITS (7)
+#define BME280_SHIFT_BIT_POSITION_BY_08_BITS (8)
+#define BME280_SHIFT_BIT_POSITION_BY_10_BITS (10)
+#define BME280_SHIFT_BIT_POSITION_BY_11_BITS (11)
+#define BME280_SHIFT_BIT_POSITION_BY_12_BITS (12)
+#define BME280_SHIFT_BIT_POSITION_BY_13_BITS (13)
+#define BME280_SHIFT_BIT_POSITION_BY_14_BITS (14)
+#define BME280_SHIFT_BIT_POSITION_BY_15_BITS (15)
+#define BME280_SHIFT_BIT_POSITION_BY_16_BITS (16)
+#define BME280_SHIFT_BIT_POSITION_BY_17_BITS (17)
+#define BME280_SHIFT_BIT_POSITION_BY_18_BITS (18)
+#define BME280_SHIFT_BIT_POSITION_BY_19_BITS (19)
+#define BME280_SHIFT_BIT_POSITION_BY_20_BITS (20)
+#define BME280_SHIFT_BIT_POSITION_BY_25_BITS (25)
+#define BME280_SHIFT_BIT_POSITION_BY_31_BITS (31)
+#define BME280_SHIFT_BIT_POSITION_BY_33_BITS (33)
+#define BME280_SHIFT_BIT_POSITION_BY_35_BITS (35)
+#define BME280_SHIFT_BIT_POSITION_BY_47_BITS (47)
+
+/* numeric definitions */
+#define BME280_PRESSURE_TEMPERATURE_CALIB_DATA_LENGTH (26)
+#define BME280_HUMIDITY_CALIB_DATA_LENGTH (7)
+#define BME280_GEN_READ_WRITE_DATA_LENGTH (1)
+#define BME280_HUMIDITY_DATA_LENGTH (2)
+#define BME280_TEMPERATURE_DATA_LENGTH (3)
+#define BME280_PRESSURE_DATA_LENGTH (3)
+#define BME280_ALL_DATA_FRAME_LENGTH (8)
+#define BME280_INIT_VALUE (0)
+#define BME280_INVALID_DATA (0)
-/***************************************************************/
-/**\name PRESSURE AND TEMPERATURE DEFINITIONS */
-/***************************************************************/
-#define BME280_TEMP_1_2_2_8_8_0_DATA 122880
-#define BME280_PRESSURE_6_4_0_0_0_DATA 64000
-#define BME280_PRESSURE_3_1_2_5_DATA 3125
-#define BME280_PRESSURE_3_2_7_6_8_DATA 32768
-#define BME280_PRESSURE_1_0_4_8_5_7_6_DATA 1048576
-#define BME280_HEX_PRESSURE_8_0_0_0_0_0_0_0_DATA 0x80000000
-/***************************************************************/
-/**\name HUMIDITY DEFINITIONS */
-/***************************************************************/
-#define BME280_HUMIDITY_7_6_8_0_0_DATA 76800
-#define BME280_HUMIDITY_1_6_3_8_4_DATA 16384
-#define BME280_HUMIDITY_3_2_7_6_8_DATA 32768
-#define BME280_HUMIDITY_2_0_9_7_1_5_2_DATA 2097152
-#define BME280_HUMIDITY_8_1_9_2_DATA 8192
-#define BME280_HUMIDITY_4_1_9_4_3_0_4_0_0_DATA 419430400
-/***************************************************************/
-/**\name CALIBRATION MASK DEFINITION */
-/***************************************************************/
-#define BME280_HEX_CALIB_0_F_DATA 0x0F
-
-/****************************************************/
-/**\name TRUE TEMPERATURE CALUCULATION PARAMETERS */
-/***************************************************/
-#define BME280_DEC_TRUE_TEMP_FIVE_DATA 5
-#define BME280_DEC_TRUE_TEMP_ONE_TWO_EIGHT_DATA 128
-/****************************************************/
-/**\name TRUE PRESSURE CALUCULATION PARAMETERS */
-/***************************************************/
-#define BME280_DEC_TRUE_PRESSURE_6_4_0_0_0_DATA 64000
-#define BME280_DEC_TRUE_PRESSURE_TWO_DATA 2
-#define BME280_DEC_TRUE_PRESSURE_3_2_7_6_8_DATA 32768
-#define BME280_DEC_TRUE_PRESSURE_1_0_4_8_5_7_6_DATA 1048576
-#define BME280_DEC_TRUE_PRESSURE_3_1_2_5_DATA 3125
-#define BME280_HEX_TRUE_PRESSURE_8_0_0_0_0_0_0_0_DATA 0x80000000
-
-/****************************************************/
-/**\name TRUE TEMPERATURE CALUCULATION FLOAT RETURN */
-/***************************************************/
-#define BME280_FLOAT_TRUE_TEMP_1_6_3_8_4_DATA 16384.0
-#define BME280_FLOAT_TRUE_TEMP_1_0_2_4_DATA 1024.0
-#define BME280_FLOAT_TRUE_TEMP_1_3_1_0_7_2_DATA 131072.0
-#define BME280_FLOAT_TRUE_TEMP_8_1_9_2_DATA 8192.0
-#define BME280_FLOAT_TRUE_TEMP_5_1_2_0_DATA 5120.0
-
-/****************************************************/
-/**\name TRUE PRESSURE CALUCULATION FLOAT RETURN */
-/***************************************************/
-#define BME280_FLAOT_TRUE_PRESSURE_1_DATA 1.0
-#define BME280_FLAOT_TRUE_PRESSURE_0_DATA 0.0
-#define BME280_FLAOT_TRUE_PRESSURE_2_DATA 2.0
-#define BME280_FLAOT_TRUE_PRESSURE_4_DATA 4.0
-#define BME280_FLAOT_TRUE_PRESSURE_1_6_DATA 16.0
-#define BME280_FLAOT_TRUE_PRESSURE_6_4_0_0_0_DATA 64000.0
-#define BME280_FLAOT_TRUE_PRESSURE_3_2_7_6_8_DATA 32768.0
-#define BME280_FLAOT_TRUE_PRESSURE_6_5_5_3_6_DATA 65536.0
-#define BME280_FLAOT_TRUE_PRESSURE_5_2_4_2_8_8_DATA 524288.0
-#define BME280_FLAOT_TRUE_PRESSURE_1_0_4_8_5_7_6_DATA 1048576.0
-#define BME280_FLAOT_TRUE_PRESSURE_4_0_9_6_DATA 4096.0
-#define BME280_FLAOT_TRUE_PRESSURE_6_2_5_0_DATA 6250.0
-#define BME280_FLAOT_TRUE_PRESSURE_2_1_4_7_4_8_3_6_4_8_DATA \
-2147483648.0
-
-/****************************************************/
-/**\name TRUE PRESSURE CALUCULATION 64BIT RETURN */
-/***************************************************/
-#define BME280_TRUE_PRESSURE_1_2_8_0_0_0_DATA 128000
-#define BME280_TRUE_PRESSURE_1_0_4_8_5_7_6_DATA 1048576
-#define BME280_TRUE_PRESSURE_3_1_2_5_DATA 3125
-#define BME280_TRUE_PRESSURE_1_DATA 1
-/****************************************************/
-/**\name TRUE HUMIDITY CALUCULATION FLOAT RETURN */
-/***************************************************/
-#define BME280_TRUE_HUMIDITY_7_6_8_0_0_DATA 76800.0
-#define BME280_TRUE_HUMIDITY_6_4_DATA 64.0
-#define BME280_TRUE_HUMIDITY_1_6_3_8_4_DATA 16384.0
-#define BME280_TRUE_HUMIDITY_6_5_5_3_6_DATA 65536.0
-#define BME280_TRUE_HUMIDITY_0_DATA 0.0
-#define BME280_TRUE_HUMIDITY_1_DATA 1.0
-#define BME280_TRUE_HUMIDITY_1_0_0_DATA 100.0
-#define BME280_TRUE_HUMIDITY_6_7_1_0_8_8_6_4_DATA 67108864.0
-#define BME280_TRUE_HUMIDITY_5_2_4_2_8_8_DATA 524288.0
-#define BME280_TRUE_HUMIDITY_
/****************************************************/
/**\name ERROR CODE DEFINITIONS */
/***************************************************/
/****************************************************/
/**\name I2C ADDRESS DEFINITIONS */
/***************************************************/
-#define BME280_I2C_ADDRESS1 0x76
-#define BME280_I2C_ADDRESS2 0x77
+#define BME280_I2C_ADDRESS1 (0x76)
+#define BME280_I2C_ADDRESS2 (0x77)
/****************************************************/
/**\name POWER MODE DEFINITIONS */
/***************************************************/
/* Sensor Specific constants */
-#define BME280_SLEEP_MODE 0x00
-#define BME280_FORCED_MODE 0x01
-#define BME280_NORMAL_MODE 0x03
-#define BME280_SOFT_RESET_CODE 0xB6
+#define BME280_SLEEP_MODE (0x00)
+#define BME280_FORCED_MODE (0x01)
+#define BME280_NORMAL_MODE (0x03)
+#define BME280_SOFT_RESET_CODE (0xB6)
/****************************************************/
/**\name STANDBY DEFINITIONS */
/***************************************************/
-#define BME280_STANDBY_TIME_1_MS 0x00
-#define BME280_STANDBY_TIME_63_MS 0x01
-#define BME280_STANDBY_TIME_125_MS 0x02
-#define BME280_STANDBY_TIME_250_MS 0x03
-#define BME280_STANDBY_TIME_500_MS 0x04
-#define BME280_STANDBY_TIME_1000_MS 0x05
-#define BME280_STANDBY_TIME_10_MS 0x06
-#define BME280_STANDBY_TIME_20_MS 0x07
+#define BME280_STANDBY_TIME_1_MS (0x00)
+#define BME280_STANDBY_TIME_63_MS (0x01)
+#define BME280_STANDBY_TIME_125_MS (0x02)
+#define BME280_STANDBY_TIME_250_MS (0x03)
+#define BME280_STANDBY_TIME_500_MS (0x04)
+#define BME280_STANDBY_TIME_1000_MS (0x05)
+#define BME280_STANDBY_TIME_10_MS (0x06)
+#define BME280_STANDBY_TIME_20_MS (0x07)
/****************************************************/
/**\name OVER SAMPLING DEFINITIONS */
/***************************************************/
-#define BME280_OVERSAMP_SKIPPED 0x00
-#define BME280_OVERSAMP_1X 0x01
-#define BME280_OVERSAMP_2X 0x02
-#define BME280_OVERSAMP_4X 0x03
-#define BME280_OVERSAMP_8X 0x04
-#define BME280_OVERSAMP_16X 0x05
+#define BME280_OVERSAMP_SKIPPED (0x00)
+#define BME280_OVERSAMP_1X (0x01)
+#define BME280_OVERSAMP_2X (0x02)
+#define BME280_OVERSAMP_4X (0x03)
+#define BME280_OVERSAMP_8X (0x04)
+#define BME280_OVERSAMP_16X (0x05)
/****************************************************/
/**\name WORK MODE DEFINITIONS */
/***************************************************/
-/*#define BME280_ULTRALOWPOWER_MODE 0x00
-#define BME280_LOWPOWER_MODE 0x01
-#define BME280_STANDARDRESOLUTION_MODE 0x02
-#define BME280_HIGHRESOLUTION_MODE 0x03
-#define BME280_ULTRAHIGHRESOLUTION_MODE 0x04
+/*#define BME280_ULTRALOWPOWER_MODE (0x00)
+#define BME280_LOWPOWER_MODE (0x01)
+#define BME280_STANDARDRESOLUTION_MODE (0x02)
+#define BME280_HIGHRESOLUTION_MODE (0x03)
+#define BME280_ULTRAHIGHRESOLUTION_MODE (0x04)
#define BME280_ULTRALOWPOWER_OSRS_P BME280_OVERSAMP_1X
#define BME280_ULTRALOWPOWER_OSRS_T BME280_OVERSAMP_1X
/****************************************************/
/**\name FILTER DEFINITIONS */
/***************************************************/
-#define BME280_FILTER_COEFF_OFF 0x00
-#define BME280_FILTER_COEFF_2 0x01
-#define BME280_FILTER_COEFF_4 0x02
-#define BME280_FILTER_COEFF_8 0x03
-#define BME280_FILTER_COEFF_16 0x04
+#define BME280_FILTER_COEFF_OFF (0x00)
+#define BME280_FILTER_COEFF_2 (0x01)
+#define BME280_FILTER_COEFF_4 (0x02)
+#define BME280_FILTER_COEFF_8 (0x03)
+#define BME280_FILTER_COEFF_16 (0x04)
/****************************************************/
/**\name DELAY DEFINITIONS */
/***************************************************/
-#define T_INIT_MAX 20
+#define T_INIT_MAX (20)
/* 20/16 = 1.25 ms */
-#define T_MEASURE_PER_OSRS_MAX 37
+#define T_MEASURE_PER_OSRS_MAX (37)
/* 37/16 = 2.3125 ms*/
-#define T_SETUP_PRESSURE_MAX 10
+#define T_SETUP_PRESSURE_MAX (10)
/* 10/16 = 0.625 ms */
-#define T_SETUP_HUMIDITY_MAX 10
+#define T_SETUP_HUMIDITY_MAX (10)
/* 10/16 = 0.625 ms */
/****************************************************/
-/**\name ARRAY SIZE DEFINITIONS */
+/**\name DEFINITIONS FOR ARRAY SIZE OF DATA */
/***************************************************/
-#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
-#define INDEX_TWENTY_FIVE 25
+#define BME280_HUMIDITY_DATA_SIZE (2)
+#define BME280_TEMPERATURE_DATA_SIZE (3)
+#define BME280_PRESSURE_DATA_SIZE (3)
+#define BME280_DATA_FRAME_SIZE (8)
+/**< data frames includes temperature,
+pressure and humidity*/
+#define BME280_CALIB_DATA_SIZE (26)
+
+#define BME280_TEMPERATURE_MSB_DATA (0)
+#define BME280_TEMPERATURE_LSB_DATA (1)
+#define BME280_TEMPERATURE_XLSB_DATA (2)
+#define BME280_PRESSURE_MSB_DATA (0)
+#define BME280_PRESSURE_LSB_DATA (1)
+#define BME280_PRESSURE_XLSB_DATA (2)
+#define BME280_HUMIDITY_MSB_DATA (0)
+#define BME280_HUMIDITY_LSB_DATA (1)
+
+#define BME280_DATA_FRAME_PRESSURE_MSB_BYTE (0)
+#define BME280_DATA_FRAME_PRESSURE_LSB_BYTE (1)
+#define BME280_DATA_FRAME_PRESSURE_XLSB_BYTE (2)
+#define BME280_DATA_FRAME_TEMPERATURE_MSB_BYTE (3)
+#define BME280_DATA_FRAME_TEMPERATURE_LSB_BYTE (4)
+#define BME280_DATA_FRAME_TEMPERATURE_XLSB_BYTE (5)
+#define BME280_DATA_FRAME_HUMIDITY_MSB_BYTE (6)
+#define BME280_DATA_FRAME_HUMIDITY_LSB_BYTE (7)
/****************************************************/
-/**\name ARRAY PARAMETERS */
+/**\name ARRAY PARAMETER FOR CALIBRATION */
/***************************************************/
-#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
+#define BME280_TEMPERATURE_CALIB_DIG_T1_LSB (0)
+#define BME280_TEMPERATURE_CALIB_DIG_T1_MSB (1)
+#define BME280_TEMPERATURE_CALIB_DIG_T2_LSB (2)
+#define BME280_TEMPERATURE_CALIB_DIG_T2_MSB (3)
+#define BME280_TEMPERATURE_CALIB_DIG_T3_LSB (4)
+#define BME280_TEMPERATURE_CALIB_DIG_T3_MSB (5)
+#define BME280_PRESSURE_CALIB_DIG_P1_LSB (6)
+#define BME280_PRESSURE_CALIB_DIG_P1_MSB (7)
+#define BME280_PRESSURE_CALIB_DIG_P2_LSB (8)
+#define BME280_PRESSURE_CALIB_DIG_P2_MSB (9)
+#define BME280_PRESSURE_CALIB_DIG_P3_LSB (10)
+#define BME280_PRESSURE_CALIB_DIG_P3_MSB (11)
+#define BME280_PRESSURE_CALIB_DIG_P4_LSB (12)
+#define BME280_PRESSURE_CALIB_DIG_P4_MSB (13)
+#define BME280_PRESSURE_CALIB_DIG_P5_LSB (14)
+#define BME280_PRESSURE_CALIB_DIG_P5_MSB (15)
+#define BME280_PRESSURE_CALIB_DIG_P6_LSB (16)
+#define BME280_PRESSURE_CALIB_DIG_P6_MSB (17)
+#define BME280_PRESSURE_CALIB_DIG_P7_LSB (18)
+#define BME280_PRESSURE_CALIB_DIG_P7_MSB (19)
+#define BME280_PRESSURE_CALIB_DIG_P8_LSB (20)
+#define BME280_PRESSURE_CALIB_DIG_P8_MSB (21)
+#define BME280_PRESSURE_CALIB_DIG_P9_LSB (22)
+#define BME280_PRESSURE_CALIB_DIG_P9_MSB (23)
+#define BME280_HUMIDITY_CALIB_DIG_H1 (25)
+#define BME280_HUMIDITY_CALIB_DIG_H2_LSB (0)
+#define BME280_HUMIDITY_CALIB_DIG_H2_MSB (1)
+#define BME280_HUMIDITY_CALIB_DIG_H3 (2)
+#define BME280_HUMIDITY_CALIB_DIG_H4_MSB (3)
+#define BME280_HUMIDITY_CALIB_DIG_H4_LSB (4)
+#define BME280_HUMIDITY_CALIB_DIG_H5_MSB (5)
+#define BME280_HUMIDITY_CALIB_DIG_H6 (6)
+#define BME280_MASK_DIG_H4 (0x0F)
/****************************************************/
/**\name CALIBRATION REGISTER ADDRESS DEFINITIONS */
/***************************************************/
/*calibration parameters */
-#define BME280_DIG_T1_LSB_REG 0x88
-#define BME280_DIG_T1_MSB_REG 0x89
-#define BME280_DIG_T2_LSB_REG 0x8A
-#define BME280_DIG_T2_MSB_REG 0x8B
-#define BME280_DIG_T3_LSB_REG 0x8C
-#define BME280_DIG_T3_MSB_REG 0x8D
-#define BME280_DIG_P1_LSB_REG 0x8E
-#define BME280_DIG_P1_MSB_REG 0x8F
-#define BME280_DIG_P2_LSB_REG 0x90
-#define BME280_DIG_P2_MSB_REG 0x91
-#define BME280_DIG_P3_LSB_REG 0x92
-#define BME280_DIG_P3_MSB_REG 0x93
-#define BME280_DIG_P4_LSB_REG 0x94
-#define BME280_DIG_P4_MSB_REG 0x95
-#define BME280_DIG_P5_LSB_REG 0x96
-#define BME280_DIG_P5_MSB_REG 0x97
-#define BME280_DIG_P6_LSB_REG 0x98
-#define BME280_DIG_P6_MSB_REG 0x99
-#define BME280_DIG_P7_LSB_REG 0x9A
-#define BME280_DIG_P7_MSB_REG 0x9B
-#define BME280_DIG_P8_LSB_REG 0x9C
-#define BME280_DIG_P8_MSB_REG 0x9D
-#define BME280_DIG_P9_LSB_REG 0x9E
-#define BME280_DIG_P9_MSB_REG 0x9F
-
-#define BME280_DIG_H1_REG 0xA1
-
-#define BME280_DIG_H2_LSB_REG 0xE1
-#define BME280_DIG_H2_MSB_REG 0xE2
-#define BME280_DIG_H3_REG 0xE3
-#define BME280_DIG_H4_MSB_REG 0xE4
-#define BME280_DIG_H5_LSB_H4_LSB_REG 0xE5
-#define BME280_DIG_H5_MSB_REG 0xE6
-#define BME280_DIG_H6_REG 0xE7
+#define BME280_TEMPERATURE_CALIB_DIG_T1_LSB_REG (0x88)
+#define BME280_TEMPERATURE_CALIB_DIG_T1_MSB_REG (0x89)
+#define BME280_TEMPERATURE_CALIB_DIG_T2_LSB_REG (0x8A)
+#define BME280_TEMPERATURE_CALIB_DIG_T2_MSB_REG (0x8B)
+#define BME280_TEMPERATURE_CALIB_DIG_T3_LSB_REG (0x8C)
+#define BME280_TEMPERATURE_CALIB_DIG_T3_MSB_REG (0x8D)
+#define BME280_PRESSURE_CALIB_DIG_P1_LSB_REG (0x8E)
+#define BME280_PRESSURE_CALIB_DIG_P1_MSB_REG (0x8F)
+#define BME280_PRESSURE_CALIB_DIG_P2_LSB_REG (0x90)
+#define BME280_PRESSURE_CALIB_DIG_P2_MSB_REG (0x91)
+#define BME280_PRESSURE_CALIB_DIG_P3_LSB_REG (0x92)
+#define BME280_PRESSURE_CALIB_DIG_P3_MSB_REG (0x93)
+#define BME280_PRESSURE_CALIB_DIG_P4_LSB_REG (0x94)
+#define BME280_PRESSURE_CALIB_DIG_P4_MSB_REG (0x95)
+#define BME280_PRESSURE_CALIB_DIG_P5_LSB_REG (0x96)
+#define BME280_PRESSURE_CALIB_DIG_P5_MSB_REG (0x97)
+#define BME280_PRESSURE_CALIB_DIG_P6_LSB_REG (0x98)
+#define BME280_PRESSURE_CALIB_DIG_P6_MSB_REG (0x99)
+#define BME280_PRESSURE_CALIB_DIG_P7_LSB_REG (0x9A)
+#define BME280_PRESSURE_CALIB_DIG_P7_MSB_REG (0x9B)
+#define BME280_PRESSURE_CALIB_DIG_P8_LSB_REG (0x9C)
+#define BME280_PRESSURE_CALIB_DIG_P8_MSB_REG (0x9D)
+#define BME280_PRESSURE_CALIB_DIG_P9_LSB_REG (0x9E)
+#define BME280_PRESSURE_CALIB_DIG_P9_MSB_REG (0x9F)
+
+#define BME280_HUMIDITY_CALIB_DIG_H1_REG (0xA1)
+
+#define BME280_HUMIDITY_CALIB_DIG_H2_LSB_REG (0xE1)
+#define BME280_HUMIDITY_CALIB_DIG_H2_MSB_REG (0xE2)
+#define BME280_HUMIDITY_CALIB_DIG_H3_REG (0xE3)
+#define BME280_HUMIDITY_CALIB_DIG_H4_MSB_REG (0xE4)
+#define BME280_HUMIDITY_CALIB_DIG_H4_LSB_REG (0xE5)
+#define BME280_HUMIDITY_CALIB_DIG_H5_MSB_REG (0xE6)
+#define BME280_HUMIDITY_CALIB_DIG_H6_REG (0xE7)
/****************************************************/
/**\name REGISTER ADDRESS DEFINITIONS */
/***************************************************/
-#define BME280_CHIP_ID_REG 0xD0 /*Chip ID Register */
-#define BME280_RST_REG 0xE0 /*Softreset Register */
-#define BME280_STAT_REG 0xF3 /*Status Register */
-#define BME280_CTRL_MEAS_REG 0xF4 /*Ctrl Measure Register */
-#define BME280_CTRL_HUMIDITY_REG 0xF2 /*Ctrl Humidity Register*/
-#define BME280_CONFIG_REG 0xF5 /*Configuration Register */
-#define BME280_PRESSURE_MSB_REG 0xF7 /*Pressure MSB Register */
-#define BME280_PRESSURE_LSB_REG 0xF8 /*Pressure LSB Register */
-#define BME280_PRESSURE_XLSB_REG 0xF9 /*Pressure XLSB Register */
-#define BME280_TEMPERATURE_MSB_REG 0xFA /*Temperature MSB Reg */
-#define BME280_TEMPERATURE_LSB_REG 0xFB /*Temperature LSB Reg */
-#define BME280_TEMPERATURE_XLSB_REG 0xFC /*Temperature XLSB Reg */
-#define BME280_HUMIDITY_MSB_REG 0xFD /*Humidity MSB Reg */
-#define BME280_HUMIDITY_LSB_REG 0xFE /*Humidity LSB Reg */
+#define BME280_CHIP_ID_REG (0xD0) /*Chip ID Register */
+#define BME280_RST_REG (0xE0) /*Softreset Register */
+#define BME280_STAT_REG (0xF3) /*Status Register */
+#define BME280_CTRL_MEAS_REG (0xF4) /*Ctrl Measure Register */
+#define BME280_CTRL_HUMIDITY_REG (0xF2) /*Ctrl Humidity Register*/
+#define BME280_CONFIG_REG (0xF5) /*Configuration Register */
+#define BME280_PRESSURE_MSB_REG (0xF7) /*Pressure MSB Register */
+#define BME280_PRESSURE_LSB_REG (0xF8) /*Pressure LSB Register */
+#define BME280_PRESSURE_XLSB_REG (0xF9) /*Pressure XLSB Register */
+#define BME280_TEMPERATURE_MSB_REG (0xFA) /*Temperature MSB Reg */
+#define BME280_TEMPERATURE_LSB_REG (0xFB) /*Temperature LSB Reg */
+#define BME280_TEMPERATURE_XLSB_REG (0xFC) /*Temperature XLSB Reg */
+#define BME280_HUMIDITY_MSB_REG (0xFD) /*Humidity MSB Reg */
+#define BME280_HUMIDITY_LSB_REG (0xFE) /*Humidity LSB Reg */
/****************************************************/
/**\name BIT MASK, LENGTH AND POSITION DEFINITIONS */
/***************************************************/
/* Status Register */
-#define BME280_STAT_REG_MEASURING__POS 3
-#define BME280_STAT_REG_MEASURING__MSK 0x08
-#define BME280_STAT_REG_MEASURING__LEN 1
-#define BME280_STAT_REG_MEASURING__REG BME280_STAT_REG
-
-#define BME280_STAT_REG_IM_UPDATE__POS 0
-#define BME280_STAT_REG_IM_UPDATE__MSK 0x01
-#define BME280_STAT_REG_IM_UPDATE__LEN 1
-#define BME280_STAT_REG_IM_UPDATE__REG BME280_STAT_REG
+#define BME280_STAT_REG_MEASURING__POS (3)
+#define BME280_STAT_REG_MEASURING__MSK (0x08)
+#define BME280_STAT_REG_MEASURING__LEN (1)
+#define BME280_STAT_REG_MEASURING__REG (BME280_STAT_REG)
+
+#define BME280_STAT_REG_IM_UPDATE__POS (0)
+#define BME280_STAT_REG_IM_UPDATE__MSK (0x01)
+#define BME280_STAT_REG_IM_UPDATE__LEN (1)
+#define BME280_STAT_REG_IM_UPDATE__REG (BME280_STAT_REG)
/****************************************************/
/**\name BIT MASK, LENGTH AND POSITION DEFINITIONS
FOR TEMPERATURE OVERSAMPLING */
/***************************************************/
/* Control Measurement Register */
-#define BME280_CTRL_MEAS_REG_OVERSAMP_TEMPERATURE__POS 5
-#define BME280_CTRL_MEAS_REG_OVERSAMP_TEMPERATURE__MSK 0xE0
-#define BME280_CTRL_MEAS_REG_OVERSAMP_TEMPERATURE__LEN 3
+#define BME280_CTRL_MEAS_REG_OVERSAMP_TEMPERATURE__POS (5)
+#define BME280_CTRL_MEAS_REG_OVERSAMP_TEMPERATURE__MSK (0xE0)
+#define BME280_CTRL_MEAS_REG_OVERSAMP_TEMPERATURE__LEN (3)
#define BME280_CTRL_MEAS_REG_OVERSAMP_TEMPERATURE__REG \
-BME280_CTRL_MEAS_REG
+(BME280_CTRL_MEAS_REG)
/****************************************************/
/**\name BIT MASK, LENGTH AND POSITION DEFINITIONS
FOR PRESSURE OVERSAMPLING */
/***************************************************/
-#define BME280_CTRL_MEAS_REG_OVERSAMP_PRESSURE__POS 2
-#define BME280_CTRL_MEAS_REG_OVERSAMP_PRESSURE__MSK 0x1C
-#define BME280_CTRL_MEAS_REG_OVERSAMP_PRESSURE__LEN 3
+#define BME280_CTRL_MEAS_REG_OVERSAMP_PRESSURE__POS (2)
+#define BME280_CTRL_MEAS_REG_OVERSAMP_PRESSURE__MSK (0x1C)
+#define BME280_CTRL_MEAS_REG_OVERSAMP_PRESSURE__LEN (3)
#define BME280_CTRL_MEAS_REG_OVERSAMP_PRESSURE__REG \
-BME280_CTRL_MEAS_REG
+(BME280_CTRL_MEAS_REG)
/****************************************************/
/**\name BIT MASK, LENGTH AND POSITION DEFINITIONS
FOR POWER MODE */
/***************************************************/
-#define BME280_CTRL_MEAS_REG_POWER_MODE__POS 0
-#define BME280_CTRL_MEAS_REG_POWER_MODE__MSK 0x03
-#define BME280_CTRL_MEAS_REG_POWER_MODE__LEN 2
+#define BME280_CTRL_MEAS_REG_POWER_MODE__POS (0)
+#define BME280_CTRL_MEAS_REG_POWER_MODE__MSK (0x03)
+#define BME280_CTRL_MEAS_REG_POWER_MODE__LEN (2)
#define BME280_CTRL_MEAS_REG_POWER_MODE__REG \
-BME280_CTRL_MEAS_REG
+(BME280_CTRL_MEAS_REG)
/****************************************************/
/**\name BIT MASK, LENGTH AND POSITION DEFINITIONS
FOR HUMIDITY OVERSAMPLING */
/***************************************************/
-#define BME280_CTRL_HUMIDITY_REG_OVERSAM_HUMIDITY__POS 0
-#define BME280_CTRL_HUMIDITY_REG_OVERSAM_HUMIDITY__MSK 0x07
-#define BME280_CTRL_HUMIDITY_REG_OVERSAM_HUMIDITY__LEN 3
-#define BME280_CTRL_HUMIDITY_REG_OVERSAM_HUMIDITY__REG \
-BME280_CTRL_HUMIDITY_REG
+#define BME280_CTRL_HUMIDITY_REG_OVERSAMP_HUMIDITY__POS (0)
+#define BME280_CTRL_HUMIDITY_REG_OVERSAMP_HUMIDITY__MSK (0x07)
+#define BME280_CTRL_HUMIDITY_REG_OVERSAMP_HUMIDITY__LEN (3)
+#define BME280_CTRL_HUMIDITY_REG_OVERSAMP_HUMIDITY__REG \
+(BME280_CTRL_HUMIDITY_REG)
/****************************************************/
/**\name BIT MASK, LENGTH AND POSITION DEFINITIONS
FOR STANDBY TIME */
/***************************************************/
/* Configuration Register */
-#define BME280_CONFIG_REG_TSB__POS 5
-#define BME280_CONFIG_REG_TSB__MSK 0xE0
-#define BME280_CONFIG_REG_TSB__LEN 3
-#define BME280_CONFIG_REG_TSB__REG BME280_CONFIG_REG
+#define BME280_CONFIG_REG_TSB__POS (5)
+#define BME280_CONFIG_REG_TSB__MSK (0xE0)
+#define BME280_CONFIG_REG_TSB__LEN (3)
+#define BME280_CONFIG_REG_TSB__REG (BME280_CONFIG_REG)
/****************************************************/
/**\name BIT MASK, LENGTH AND POSITION DEFINITIONS
FOR FILTER */
/***************************************************/
-#define BME280_CONFIG_REG_FILTER__POS 2
-#define BME280_CONFIG_REG_FILTER__MSK 0x1C
-#define BME280_CONFIG_REG_FILTER__LEN 3
-#define BME280_CONFIG_REG_FILTER__REG BME280_CONFIG_REG
+#define BME280_CONFIG_REG_FILTER__POS (2)
+#define BME280_CONFIG_REG_FILTER__MSK (0x1C)
+#define BME280_CONFIG_REG_FILTER__LEN (3)
+#define BME280_CONFIG_REG_FILTER__REG (BME280_CONFIG_REG)
/****************************************************/
/**\name BIT MASK, LENGTH AND POSITION DEFINITIONS
FOR SPI ENABLE */
/***************************************************/
-#define BME280_CONFIG_REG_SPI3_ENABLE__POS 0
-#define BME280_CONFIG_REG_SPI3_ENABLE__MSK 0x01
-#define BME280_CONFIG_REG_SPI3_ENABLE__LEN 1
-#define BME280_CONFIG_REG_SPI3_ENABLE__REG BME280_CONFIG_REG
+#define BME280_CONFIG_REG_SPI3_ENABLE__POS (0)
+#define BME280_CONFIG_REG_SPI3_ENABLE__MSK (0x01)
+#define BME280_CONFIG_REG_SPI3_ENABLE__LEN (1)
+#define BME280_CONFIG_REG_SPI3_ENABLE__REG (BME280_CONFIG_REG)
/****************************************************/
/**\name BIT MASK, LENGTH AND POSITION DEFINITIONS
FOR PRESSURE AND TEMPERATURE DATA */
/***************************************************/
/* Data Register */
-#define BME280_PRESSURE_XLSB_REG_DATA__POS 4
-#define BME280_PRESSURE_XLSB_REG_DATA__MSK 0xF0
-#define BME280_PRESSURE_XLSB_REG_DATA__LEN 4
-#define BME280_PRESSURE_XLSB_REG_DATA__REG BME280_PRESSURE_XLSB_REG
-
-#define BME280_TEMPERATURE_XLSB_REG_DATA__POS 4
-#define BME280_TEMPERATURE_XLSB_REG_DATA__MSK 0xF0
-#define BME280_TEMPERATURE_XLSB_REG_DATA__LEN 4
-#define BME280_TEMPERATURE_XLSB_REG_DATA__REG BME280_TEMPERATURE_XLSB_REG
+#define BME280_PRESSURE_XLSB_REG_DATA__POS (4)
+#define BME280_PRESSURE_XLSB_REG_DATA__MSK (0xF0)
+#define BME280_PRESSURE_XLSB_REG_DATA__LEN (4)
+#define BME280_PRESSURE_XLSB_REG_DATA__REG (BME280_PRESSURE_XLSB_REG)
+
+#define BME280_TEMPERATURE_XLSB_REG_DATA__POS (4)
+#define BME280_TEMPERATURE_XLSB_REG_DATA__MSK (0xF0)
+#define BME280_TEMPERATURE_XLSB_REG_DATA__LEN (4)
+#define BME280_TEMPERATURE_XLSB_REG_DATA__REG (BME280_TEMPERATURE_XLSB_REG)
/****************************************************/
/**\name BUS READ AND WRITE FUNCTION POINTERS */
/***************************************************/
u8 ctrl_hum_reg;/**< status of control humidity register*/
u8 ctrl_meas_reg;/**< status of control measurement register*/
u8 config_reg;/**< status of configuration register*/
+
BME280_WR_FUNC_PTR;/**< bus write function pointer*/
BME280_RD_FUNC_PTR;/**< bus read function pointer*/
- void(*delay_msec)(BME280_MDELAY_DATA_TYPE);/**< delay function pointer*/
+ void (*delay_msec)(BME280_MDELAY_DATA_TYPE);/**< delay function pointer*/
};
/**************************************************************/
/**\name FUNCTION DECLARATIONS */
* @return Returns the actual temperature
*
*/
-s32 bme280_compensate_T_int32(s32 v_uncomp_temperature_s32);
+s32 bme280_compensate_temperature_int32(s32 v_uncomp_temperature_s32);
/*!
* @brief Reads actual temperature from uncompensated temperature
* @note Returns the value with 500LSB/DegC centred around 24 DegC
* @return Return the actual temperature as s16 output
*
*/
-s16 bme280_compensate_T_int32_sixteen_bit_output(s32 v_uncomp_temperature_s32);
+s16 bme280_compensate_temperature_int32_sixteen_bit_output(
+s32 v_uncomp_temperature_s32);
/**************************************************************/
/**\name FUNCTION FOR INTIALIZATION UNCOMPENSATED PRESSURE */
/**************************************************************/
* @return Return the actual pressure output as u32
*
*/
-u32 bme280_compensate_P_int32(s32 v_uncomp_pressure_s32);
+u32 bme280_compensate_pressure_int32(s32 v_uncomp_pressure_s32);
/**************************************************************/
/**\name FUNCTION FOR INTIALIZATION UNCOMPENSATED HUMIDITY */
/**************************************************************/
* @return Return the actual relative humidity output as u32
*
*/
-u32 bme280_compensate_H_int32(s32 v_uncomp_humidity_s32);
+u32 bme280_compensate_humidity_int32(s32 v_uncomp_humidity_s32);
/*!
* @brief Reads actual humidity from uncompensated humidity
* @note Returns the value in %rH as unsigned 16bit integer
* @return Return the actual relative humidity output as u16
*
*/
-u16 bme280_compensate_H_int32_sixteen_bit_output(s32 v_uncomp_humidity_s32);
+u16 bme280_compensate_humidity_int32_sixteen_bit_output(
+s32 v_uncomp_humidity_s32);
/**************************************************************/
/**\name FUNCTION FOR INTIALIZATION UNCOMPENSATED PRESSURE,
TEMPERATURE AND HUMIDITY */
*
*
*
- * @note The "BME280_CTRL_HUMIDITY_REG_OVERSAM_HUMIDITY"
+ * @note The "BME280_CTRL_HUMIDITY_REG_OVERSAMP_HUMIDITY"
* register sets the humidity
* data acquisition options of the device.
* @note changes to this registers only become
* effective after a write operation to
* "BME280_CTRL_MEAS_REG" register.
* @note In the code automated reading and writing of
- * "BME280_CTRL_HUMIDITY_REG_OVERSAM_HUMIDITY"
+ * "BME280_CTRL_HUMIDITY_REG_OVERSAMP_HUMIDITY"
* @note register first set the
- * "BME280_CTRL_HUMIDITY_REG_OVERSAM_HUMIDITY"
+ * "BME280_CTRL_HUMIDITY_REG_OVERSAMP_HUMIDITY"
* and then read and write
* the "BME280_CTRL_MEAS_REG" register in the function.
*
* @return Return the actual temperature in floating point
*
*/
-double bme280_compensate_T_double(s32 v_uncom_temperature_s32);
+double bme280_compensate_temperature_double(
+s32 v_uncom_temperature_s32);
/**************************************************************/
/**\name FUNCTION FOR FLOAT OUTPUT PRESSURE*/
/**************************************************************/
* @return Return the actual pressure in floating point
*
*/
-double bme280_compensate_P_double(s32 v_uncom_pressure_s32);
+double bme280_compensate_pressure_double(s32 v_uncom_pressure_s32);
/**************************************************************/
/**\name FUNCTION FOR FLOAT OUTPUT HUMIDITY*/
/**************************************************************/
* @return Return the actual humidity in floating point
*
*/
-double bme280_compensate_H_double(s32 v_uncom_humidity_s32);
+double bme280_compensate_humidity_double(s32 v_uncom_humidity_s32);
#endif
/**************************************************************/
/**\name FUNCTION FOR 64BIT OUTPUT PRESSURE*/
* @return Return the actual pressure in u32
*
*/
-u32 bme280_compensate_P_int64(s32 v_uncom_pressure_s32);
+u32 bme280_compensate_pressure_int64(s32 v_uncom_pressure_s32);
/**************************************************************/
/**\name FUNCTION FOR 24BIT OUTPUT PRESSURE*/
/**************************************************************/
* @return the actual pressure in u32
*
*/
-u32 bme280_compensate_P_int64_twentyfour_bit_output(s32 v_uncom_pressure_s32);
+u32 bme280_compensate_pressure_int64_twentyfour_bit_output(
+s32 v_uncom_pressure_s32);
#endif
/**************************************************************/
/**\name FUNCTION FOR WAIT PERIOD*/
projects / BME280_driver / commitdiff