Preliminary thermistor abstraction implementation

pod-operation/.cargo/config.toml

@@ -5,5 +5,6 @@
 # target = "aarch64-unknown-linux-gnu"
 
 [target.aarch64-unknown-linux-gnu]
+# linker = "aarch64-linux-gnu-gcc"
 # linker = "aarch64-unknown-linux-gnu-gcc"
 # linker = "aarch64-none-linux-gnu-gcc"

pod-operation/Cargo.toml

@@ -17,3 +17,5 @@ lazy_static = "1.4.0"
 rppal = { version = "0.17.1", features = ["hal"] }
 ina219 = "0.1.0"
 enum-map = "2.7.3"
+ads1x1x = "0.2.2"
+nb = "1.1.0"

pod-operation/src/components/lim_temperature.rs

@@ -0,0 +1,29 @@
+use ads1x1x::ic::{Ads1015, Resolution12Bit};
+use ads1x1x::interface::I2cInterface;
+use ads1x1x::mode::OneShot;
+use ads1x1x::ChannelSelection::{SingleA0, SingleA1, SingleA2, SingleA3};
+use ads1x1x::{Ads1x1x, DynamicOneShot, SlaveAddr};
+use nb::block;
+use rppal::i2c::I2c;
+
+pub struct LimTemperature {
+	ads1015: Ads1x1x<I2cInterface<I2c>, Ads1015, Resolution12Bit, OneShot>,
+}
+
+impl LimTemperature {
+	pub fn new(device_address: SlaveAddr) -> Self {
+		let i2cdev = I2c::new().unwrap();
+		let adc = Ads1x1x::new_ads1015(i2cdev, device_address);
+		LimTemperature { ads1015: adc }
+	}
+
+	pub fn cleanup(self) {
+		self.ads1015.destroy_ads1015();
+	}
+
+	pub fn read_pins(&mut self) -> (i16, i16, i16, i16) {
+		[SingleA0, SingleA1, SingleA2, SingleA3]
+			.map(|channel| block!(self.ads1015.read(channel)).unwrap())
+			.into()
+	}
+}

pod-operation/src/components/mod.rs

@@ -1,2 +1,3 @@
+pub mod lim_temperature;
 pub mod pressure_transducer;
 pub mod signal_light;

pod-operation/src/demo.rs

@@ -1,5 +1,6 @@
 use tracing::info;
 
+use crate::components::lim_temperature::LimTemperature;
 use crate::components::pressure_transducer::PressureTransducer;
 use crate::components::signal_light::SignalLight;
 
@@ -27,3 +28,19 @@ pub async fn read_pressure_transducer(mut pressure_transducer: PressureTransduce
 		println!("{:?}", pressure_transducer.read());
 	}
 }
+
+pub async fn read_ads1015(mut lim_temperature: LimTemperature) {
+	info!("Starting ADS1015 Demo.");
+
+	let mut i = 0;
+	loop {
+		tokio::time::sleep(std::time::Duration::from_millis(100)).await;
+		println!("{:?}", lim_temperature.read_pins());
+		i += 1;
+		if i > 1000 {
+			break;
+		}
+	}
+
+	lim_temperature.cleanup();
+}

pod-operation/src/main.rs

@@ -7,6 +7,7 @@ mod components;
 mod demo;
 mod state_machine;
 
+use crate::components::lim_temperature::LimTemperature;
 use crate::components::pressure_transducer::PressureTransducer;
 use crate::components::signal_light::SignalLight;
 use crate::state_machine::StateMachine;
@@ -23,6 +24,9 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
 	let pressure_transducer = PressureTransducer::new(0x40);
 	tokio::spawn(demo::read_pressure_transducer(pressure_transducer));
 
+	let ads1015 = LimTemperature::new(ads1x1x::SlaveAddr::Default);
+	tokio::spawn(demo::read_ads1015(ads1015));
+
 	tokio::spawn(async {
 		let mut state_machine = StateMachine::new(io);
 		state_machine.run().await;