ionpak-thermostat/firmware/src/ad7172/mod.rs

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mod regs;
mod checksum;
pub use checksum::ChecksumMode;
mod adc;
pub use adc::*;
#[derive(Clone, Debug, PartialEq)]
pub enum AdcError<SPI> {
SPI(SPI),
ChecksumMismatch(Option<u8>, Option<u8>),
}
impl<SPI> From<SPI> for AdcError<SPI> {
fn from(e: SPI) -> Self {
AdcError::SPI(e)
}
}
#[repr(u8)]
pub enum Input {
Ain0 = 0,
Ain1 = 1,
Ain2 = 2,
Ain3 = 3,
Ain4 = 4,
TemperaturePos = 17,
TemperatureNeg = 18,
AnalogSupplyPos = 19,
AnalogSupplyNeg = 20,
RefPos = 21,
RefNeg = 22,
Invalid = 0b11111,
}
impl From<u8> for Input {
fn from(x: u8) -> Self {
match x {
0 => Input::Ain0,
1 => Input::Ain1,
2 => Input::Ain2,
3 => Input::Ain3,
4 => Input::Ain4,
17 => Input::TemperaturePos,
18 => Input::TemperatureNeg,
19 => Input::AnalogSupplyPos,
20 => Input::AnalogSupplyNeg,
21 => Input::RefPos,
22 => Input::RefNeg,
_ => Input::Invalid,
}
}
}
/// Reference source for ADC conversion
#[repr(u8)]
pub enum RefSource {
/// External reference
External = 0b00,
/// Internal 2.5V reference
Internal = 0b10,
/// AVDD1 AVSS
Avdd1MinusAvss = 0b11,
Invalid = 0b01,
}
impl From<u8> for RefSource {
fn from(x: u8) -> Self {
match x {
0 => RefSource::External,
1 => RefSource::Internal,
2 => RefSource::Avdd1MinusAvss,
_ => RefSource::Invalid,
}
}
}
#[repr(u8)]
pub enum PostFilter {
F27SPS = 0b010,
F21SPS = 0b011,
F20SPS = 0b101,
F16SPS = 0b110,
Invalid = 0b111,
}
impl From<u8> for PostFilter {
fn from(x: u8) -> Self {
match x {
0b010 => PostFilter::F27SPS,
0b011 => PostFilter::F21SPS,
0b101 => PostFilter::F20SPS,
0b110 => PostFilter::F16SPS,
_ => PostFilter::Invalid,
}
}
}
#[repr(u8)]
pub enum DigitalFilterOrder {
Sinc5Sinc1 = 0b00,
Sinc3 = 0b11,
Invalid = 0b10,
}
impl From<u8> for DigitalFilterOrder {
fn from(x: u8) -> Self {
match x {
0b00 => DigitalFilterOrder::Sinc5Sinc1,
0b11 => DigitalFilterOrder::Sinc3,
_ => DigitalFilterOrder::Invalid,
}
}
}