forked from M-Labs/kirdy
Thermostat: Add fn to calibrate ADC's VDDA
- ADC1 exclusive feature - Calibrated VDDA val can be passed to other ADCs to adjust gain error
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@ -115,11 +115,17 @@ impl<C: ChannelPins> MAX1968Phy<C> {
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impl MAX1968 {
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pub fn new(phy_ch0: MAX1968Phy<Channel0>, adc1: ADC1) -> Self {
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// Set ADC to a slowest sampling interval for more accurate calibration
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let config = AdcConfig::default()
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.clock(config::Clock::Pclk2_div_2)
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.clock(config::Clock::Pclk2_div_8)
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.default_sample_time(config::SampleTime::Cycles_480);
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let mut pins_adc = Adc::adc1(adc1, true, config);
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pins_adc.calibrate();
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let pins_adc = Adc::adc1(adc1, true, config);
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let config = AdcConfig::default()
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.clock(config::Clock::Pclk2_div_8)
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.default_sample_time(config::SampleTime::Cycles_480);
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pins_adc.apply_config(config);
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MAX1968 {
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phy: phy_ch0,
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@ -127,6 +133,12 @@ impl MAX1968 {
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}
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}
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// Return the calibrated VDDA Voltage
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// Can be used to set reference voltage for other ADC
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pub fn get_calibrated_vdda(&mut self) -> u32 {
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self.pins_adc.reference_voltage()
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}
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pub fn power_down(&mut self) {
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self.phy.shdn.set_low();
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}
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@ -301,6 +301,11 @@ impl Thermostat{
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max_i_neg: TecSettingsSummaryField { value: self.tec_setting.max_i_neg_set, max: TecSettings::MAX_I_NEG_CURRENT },
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}
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}
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pub fn get_calibrated_vdda(&mut self) -> u32 {
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self.max1968.get_calibrated_vdda()
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}
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}
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#[derive(Miniconf)]
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