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Updated bmp driver

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Updated bmp driver
This commit is contained in:
Theo Arends 2018-07-11 14:39:07 +02:00
parent 50ce01cd0b
commit 4bc3ce70dd
1 changed files with 5 additions and 21 deletions
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26
sonoff/xsns_09_bmp.ino
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@ -83,7 +83,6 @@ int16_t cal_md;
uint16_t cal_ac4;
uint16_t cal_ac5;
uint16_t cal_ac6;
int32_t bmp180_b5 = 0;
boolean Bmp180Calibration()
{
@ -125,7 +124,7 @@ void Bmp180Read()
int ut = I2cRead16(bmp_address, BMP180_REG_RESULT);
int32_t xt1 = (ut - (int32_t)cal_ac6) * ((int32_t)cal_ac5) >> 15;
int32_t xt2 = ((int32_t)cal_mc << 11) / (xt1 + (int32_t)cal_md);
bmp180_b5 = xt1 + xt2;
int32_t bmp180_b5 = xt1 + xt2;
bmp_temperature = ((bmp180_b5 + 8) >> 4) / 10.0;
I2cWrite8(bmp_address, BMP180_REG_CONTROL, BMP180_PRESSURE3); // Highest resolution
@ -156,7 +155,7 @@ void Bmp180Read()
x1 = (x1 * 3038) >> 16;
x2 = (-7357 * p) >> 16;
p += ((x1 + x2 + (int32_t)3791) >> 4);
bmp_pressure = p / 100.0; // convert to mbar
bmp_pressure = (float)p / 100.0; // convert to mbar
}
/*********************************************************************************************\
@ -229,20 +228,6 @@ boolean Bmx280Calibrate()
Bme280CalibrationData.dig_P7 = I2cReadS16_LE(bmp_address, BME280_REGISTER_DIG_P7);
Bme280CalibrationData.dig_P8 = I2cReadS16_LE(bmp_address, BME280_REGISTER_DIG_P8);
Bme280CalibrationData.dig_P9 = I2cReadS16_LE(bmp_address, BME280_REGISTER_DIG_P9);
/*
if (BME280_CHIPID == bmp_type) {
Bme280CalibrationData.dig_H1 = I2cRead8(bmp_address, BME280_REGISTER_DIG_H1);
Bme280CalibrationData.dig_H2 = I2cReadS16_LE(bmp_address, BME280_REGISTER_DIG_H2);
Bme280CalibrationData.dig_H3 = I2cRead8(bmp_address, BME280_REGISTER_DIG_H3);
Bme280CalibrationData.dig_H4 = (I2cRead8(bmp_address, BME280_REGISTER_DIG_H4) << 4) | (I2cRead8(bmp_address, BME280_REGISTER_DIG_H4 + 1) & 0xF);
Bme280CalibrationData.dig_H5 = (I2cRead8(bmp_address, BME280_REGISTER_DIG_H5 + 1) << 4) | (I2cRead8(bmp_address, BME280_REGISTER_DIG_H5) >> 4);
Bme280CalibrationData.dig_H6 = (int8_t)I2cRead8(bmp_address, BME280_REGISTER_DIG_H6);
// Set before CONTROL_meas (DS 5.4.3)
I2cWrite8(bmp_address, BME280_REGISTER_CONTROLHUMID, 0x05); // 16x oversampling (Adafruit)
}
I2cWrite8(bmp_address, BME280_REGISTER_CONTROL, 0xB7); // 16x oversampling, normal mode (Adafruit)
*/
if (BME280_CHIPID == bmp_type) { // #1051
Bme280CalibrationData.dig_H1 = I2cRead8(bmp_address, BME280_REGISTER_DIG_H1);
Bme280CalibrationData.dig_H2 = I2cReadS16_LE(bmp_address, BME280_REGISTER_DIG_H2);
@ -272,7 +257,7 @@ void Bme280Read(void)
int32_t vart2 = (((((adc_T >> 4) - ((int32_t)Bme280CalibrationData.dig_T1)) * ((adc_T >> 4) - ((int32_t)Bme280CalibrationData.dig_T1))) >> 12) *
((int32_t)Bme280CalibrationData.dig_T3)) >> 14;
int32_t t_fine = vart1 + vart2;
double T = (t_fine * 5 + 128) >> 8;
float T = (t_fine * 5 + 128) >> 8;
bmp_temperature = T / 100.0;
int32_t adc_P = I2cRead24(bmp_address, BME280_REGISTER_PRESSUREDATA);
@ -296,10 +281,9 @@ void Bme280Read(void)
if (BMP280_CHIPID == bmp_type) { return; }
int32_t v_x1_u32r;
int32_t adc_H = I2cRead16(bmp_address, BME280_REGISTER_HUMIDDATA);
v_x1_u32r = (t_fine - ((int32_t)76800));
int32_t v_x1_u32r = (t_fine - ((int32_t)76800));
v_x1_u32r = (((((adc_H << 14) - (((int32_t)Bme280CalibrationData.dig_H4) << 20) -
(((int32_t)Bme280CalibrationData.dig_H5) * v_x1_u32r)) + ((int32_t)16384)) >> 15) *
(((((((v_x1_u32r * ((int32_t)Bme280CalibrationData.dig_H6)) >> 10) *