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thermostst: Patch hw related settings for rev0_3

This commit is contained in:
linuswck 2024-01-24 12:25:45 +08:00
parent 5bea3f0e5f
commit 07ea733b34
1 changed files with 2 additions and 5 deletions
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7
src/thermostat/thermostat.rs
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@ -32,11 +32,10 @@ pub struct TecSettings {
} }
impl TecSettings{ impl TecSettings{
// FixMe: Rev0_2 is 3.3V max while Rev0_3 is 3.0V max
pub const DAC_OUT_V_MAX: ElectricPotential = ElectricPotential { pub const DAC_OUT_V_MAX: ElectricPotential = ElectricPotential {
dimension: PhantomData, dimension: PhantomData,
units: PhantomData, units: PhantomData,
value: 3.3, value: 3.0,
}; };
pub const TEC_VSEC_BIAS_V: ElectricPotential = ElectricPotential { pub const TEC_VSEC_BIAS_V: ElectricPotential = ElectricPotential {
dimension: PhantomData, dimension: PhantomData,
@ -214,9 +213,7 @@ impl Thermostat{
} }
pub fn get_tec_v(&mut self) -> ElectricPotential { pub fn get_tec_v(&mut self) -> ElectricPotential {
// Fixme: Rev0_2 has Analog Input Polarity Reversed (self.max1968.adc_read(AdcReadTarget::VTec, 16) - TecSettings::TEC_VSEC_BIAS_V) * 4.0
// Remove the -ve sign for Rev0_3
-(self.max1968.adc_read(AdcReadTarget::VTec, 16) - TecSettings::TEC_VSEC_BIAS_V) * 4.0
} }
/// Calibrates the DAC output to match vref of the MAX driver to reduce zero-current offset of the MAX driver output. /// Calibrates the DAC output to match vref of the MAX driver to reduce zero-current offset of the MAX driver output.