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STM32 DAC: Rework DAC driver, support all families.

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This commit is contained in:
Adam Greig
2023-11-21 03:12:36 +00:00
committed by Dario Nieuwenhuis
parent 267cbaebe6
commit 09d7950313
8 changed files with 406 additions and 435 deletions
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10
tests/stm32/src/bin/dac.rs
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@ -10,7 +10,7 @@ use common::*;
use defmt::assert;
use embassy_executor::Spawner;
use embassy_stm32::adc::Adc;
use embassy_stm32::dac::{DacCh1, DacChannel, Value};
use embassy_stm32::dac::{DacCh1, Value};
use embassy_stm32::dma::NoDma;
use embassy_time::{Delay, Timer};
use {defmt_rtt as _, panic_probe as _};
@ -26,9 +26,7 @@ async fn main(_spawner: Spawner) {
#[cfg(any(feature = "stm32h755zi", feature = "stm32g071rb"))]
let dac_peripheral = p.DAC1;
let mut dac: DacCh1<'_, _, NoDma> = DacCh1::new(dac_peripheral, NoDma, p.PA4);
unwrap!(dac.set_trigger_enable(false));
let mut dac = DacCh1::new(dac_peripheral, NoDma, p.PA4);
let mut adc = Adc::new(p.ADC1, &mut Delay);
#[cfg(feature = "stm32h755zi")]
@ -36,7 +34,7 @@ async fn main(_spawner: Spawner) {
#[cfg(any(feature = "stm32f429zi", feature = "stm32g071rb"))]
let normalization_factor: i32 = 16;
unwrap!(dac.set(Value::Bit8(0)));
dac.set(Value::Bit8(0));
// Now wait a little to obtain a stable value
Timer::after_millis(30).await;
let offset = adc.read(&mut unsafe { embassy_stm32::Peripherals::steal() }.PA4);
@ -44,7 +42,7 @@ async fn main(_spawner: Spawner) {
for v in 0..=255 {
// First set the DAC output value
let dac_output_val = to_sine_wave(v);
unwrap!(dac.set(Value::Bit8(dac_output_val)));
dac.set(Value::Bit8(dac_output_val));
// Now wait a little to obtain a stable value
Timer::after_millis(30).await;