dnutiu/bme680-rust
dnutiu/bme680-rust
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marcelbuesing 2018-05-16 18:09:07 +02:00 committed by marcelbuesing
parent 4aeba8ca66
commit 48589ef7f5
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GPG key ID: EF3934305E975944
1 changed files with 15 additions and 15 deletions
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30
src/bme680.rs
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@ -630,17 +630,15 @@ where
let mut calib: CalibData = Default::default();
let mut coeff_array: [u8; BME680_COEFF_SIZE] = [0; BME680_COEFF_SIZE];
self.get_regs(
self.i2c.read(
BME680_COEFF_ADDR1,
coeff_array.as_mut_ptr(),
BME680_COEFF_ADDR1_LEN,
)?;
&mut coeff_array,
).map_err(|_| Bme680Error::CommunicationFailure)?;
self.get_regs(
self.i2c.read(
BME680_COEFF_ADDR2,
&mut coeff_array[25usize] as (*mut u8),
BME680_COEFF_ADDR2_LEN,
)?;
&mut coeff_array,
).map_err(|_| Bme680Error::CommunicationFailure)?;
calib.par_t1 = (coeff_array[34usize] as (u16) as (i32) << 8i32
| coeff_array[33usize] as (u16) as (i32)) as (u16);
@ -693,18 +691,20 @@ where
return Err(Bme680Error::DefinePwrMode);
}
reg.push((BME680_RES_HEAT0_ADDR, self.calc_heater_res(gas_sett.heatr_temp)));
reg.push((BME680_GAS_WAIT0_ADDR, self.calc_heater_dur(gas_sett.heatr_dur)));
// TODO check whether unwrap_or changes behaviour
reg.push((BME680_RES_HEAT0_ADDR, self.calc_heater_res(gas_sett.heatr_temp.unwrap_or(0))));
reg.push((BME680_GAS_WAIT0_ADDR, self.calc_heater_dur(gas_sett.heatr_dur.unwrap_or(0))));
self.gas_sett.nb_conv = 0;
self.gas_sett.nb_conv = Some(0);
self.bme680_set_regs(reg.as_slice())
}
fn get_gas_config(self) -> Result<GasSett> {
// TODO move both GasSett fields to new struct
let mut gas_sett: GasSett = Default::default();
// TODO figure out if heat_temp and dur can be u8
self.gas_sett.heatr_temp = self.get_regs_u8(BME680_ADDR_SENS_CONF_START)? as u16;
self.gas_sett.heatr_dur = self.get_regs_u8(BME680_ADDR_GAS_CONF_START)? as u16;
self.gas_sett.heatr_temp = Some(self.get_regs_u8(BME680_ADDR_SENS_CONF_START)? as u16);
self.gas_sett.heatr_dur = Some(self.get_regs_u8(BME680_ADDR_GAS_CONF_START)? as u16);
Ok(gas_sett)
}
@ -863,7 +863,6 @@ where
}
fn read_field_data(self) -> Result<FieldData> {
let mut _currentBlock;
let mut buff = [0, BME680_FIELD_LENGTH];
let mut data: FieldData = Default::default();
let mut gas_range: u8;
@ -874,7 +873,8 @@ where
let mut tries: u8 = 10u8;
loop {
self.get_regs(BME680_FIELD0_ADDR, buff.as_mut_ptr(), BME680_FIELD_LENGTH)?;
self.i2c.read(BME680_FIELD0_ADDR, &mut buff)
.map_err(|_| Bme680Error::CommunicationFailure)?;
data.status = buff[0] & BME680_NEW_DATA_MSK;
data.gas_index = buff[0] & BME680_GAS_INDEX_MSK;;
data.meas_index = buff[1];