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The reading of the pressure and humidity value, requires an update of the
t_fine variable which happens by reading the temperature value.
So the bme680_read_{press/humid}() functions of the above sensors are
internally calling the equivalent bme680_read_temp() function in order to
update the t_fine value. By just looking at the code this relation is a
bit hidden and is not easy to understand why those channels are not
independent.
This commit tries to clear these thing a bit by splitting the
bme680_{read/compensate}_{temp/press/humid}() to the following:
i. bme680_read_{temp/press/humid}_adc(): read the raw value from the
sensor.
ii. bme680_calc_t_fine(): calculate the t_fine variable.
iii. bme680_get_t_fine(): get the t_fine variable.
iv. bme680_compensate_{temp/press/humid}(): compensate the adc values and
return the calculated value.
v. bme680_read_{temp/press/humid}(): combine calls of the aforementioned
functions to return the requested value.
Signed-off-by: Vasileios Amoiridis <vassilisamir@gmail.com>
Link: https://patch.msgid.link/20240609233826.330516-16-vassilisamir@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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|---|---|---|
| .. | ||
| ags02ma.c | ||
| ams-iaq-core.c | ||
| atlas-ezo-sensor.c | ||
| atlas-sensor.c | ||
| bme680_core.c | ||
| bme680_i2c.c | ||
| bme680_spi.c | ||
| bme680.h | ||
| ccs811.c | ||
| ens160_core.c | ||
| ens160_i2c.c | ||
| ens160_spi.c | ||
| ens160.h | ||
| Kconfig | ||
| Makefile | ||
| pms7003.c | ||
| scd4x.c | ||
| scd30_core.c | ||
| scd30_i2c.c | ||
| scd30_serial.c | ||
| scd30.h | ||
| sgp30.c | ||
| sgp40.c | ||
| sps30_i2c.c | ||
| sps30_serial.c | ||
| sps30.c | ||
| sps30.h | ||
| sunrise_co2.c | ||
| vz89x.c | ||