stm32/adc: extract into common

add common low-level interface for adc

12 files changed, 49 insertions, 35 deletions

diff --git a/examples/stm32f4/src/bin/adc.rs b/examples/stm32f4/src/bin/adc.rs
index 5628cb827..694e85657 100644
--- a/examples/stm32f4/src/bin/adc.rs
+++ b/examples/stm32f4/src/bin/adc.rs
@@ -14,7 +14,7 @@ async fn main(_spawner: Spawner) {
     info!("Hello World!");
 
     let mut delay = Delay;
-    let mut adc = Adc::new(p.ADC1);
+    let mut adc = Adc::new_with_config(p.ADC1, Default::default());
     let mut pin = p.PC1;
 
     let mut vrefint = adc.enable_vrefint();
diff --git a/examples/stm32f4/src/bin/adc_dma.rs b/examples/stm32f4/src/bin/adc_dma.rs
index 01b881c79..d61b1b2eb 100644
--- a/examples/stm32f4/src/bin/adc_dma.rs
+++ b/examples/stm32f4/src/bin/adc_dma.rs
@@ -4,7 +4,7 @@ use cortex_m::singleton;
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::Peripherals;
-use embassy_stm32::adc::{Adc, AdcChannel, RingBufferedAdc, SampleTime};
+use embassy_stm32::adc::{Adc, AdcChannel, RegularConversionMode, RingBufferedAdc, SampleTime};
 use embassy_time::Instant;
 use {defmt_rtt as _, panic_probe as _};
 
@@ -20,8 +20,8 @@ async fn adc_task(p: Peripherals) {
     let adc_data: &mut [u16; ADC_BUF_SIZE] = singleton!(ADCDAT : [u16; ADC_BUF_SIZE] = [0u16; ADC_BUF_SIZE]).unwrap();
     let adc_data2: &mut [u16; ADC_BUF_SIZE] = singleton!(ADCDAT2 : [u16; ADC_BUF_SIZE] = [0u16; ADC_BUF_SIZE]).unwrap();
 
-    let adc = Adc::new(p.ADC1);
-    let adc2 = Adc::new(p.ADC2);
+    let adc = Adc::new_with_config(p.ADC1, Default::default());
+    let adc2 = Adc::new_with_config(p.ADC2, Default::default());
 
     let mut adc: RingBufferedAdc<embassy_stm32::peripherals::ADC1> = adc.into_ring_buffered(
         p.DMA2_CH0,
@@ -31,6 +31,7 @@ async fn adc_task(p: Peripherals) {
             (p.PA2.degrade_adc(), SampleTime::CYCLES112),
         ]
         .into_iter(),
+        RegularConversionMode::Continuous,
     );
     let mut adc2: RingBufferedAdc<embassy_stm32::peripherals::ADC2> = adc2.into_ring_buffered(
         p.DMA2_CH2,
@@ -40,6 +41,7 @@ async fn adc_task(p: Peripherals) {
             (p.PA3.degrade_adc(), SampleTime::CYCLES112),
         ]
         .into_iter(),
+        RegularConversionMode::Continuous,
     );
 
     // Note that overrun is a big consideration in this implementation. Whatever task is running the adc.read() calls absolutely must circle back around
diff --git a/examples/stm32g0/src/bin/adc_oversampling.rs b/examples/stm32g0/src/bin/adc_oversampling.rs
index f6979889d..aa8b1771b 100644
--- a/examples/stm32g0/src/bin/adc_oversampling.rs
+++ b/examples/stm32g0/src/bin/adc_oversampling.rs
@@ -7,7 +7,7 @@
 
 use defmt::*;
 use embassy_executor::Spawner;
-use embassy_stm32::adc::{Adc, Clock, Ovsr, Ovss, Presc, SampleTime};
+use embassy_stm32::adc::{Adc, AdcConfig, Clock, Ovsr, Ovss, Presc, SampleTime};
 use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
@@ -16,12 +16,14 @@ async fn main(_spawner: Spawner) {
     let p = embassy_stm32::init(Default::default());
     info!("Adc oversample test");
 
-    let mut adc = Adc::new_with_clock(p.ADC1, Clock::Async { div: Presc::DIV1 });
-    let mut pin = p.PA1;
+    let mut config = AdcConfig::default();
+    config.clock = Some(Clock::Async { div: Presc::DIV1 });
+    config.oversampling_ratio = Some(Ovsr::MUL16);
+    config.oversampling_shift = Some(Ovss::NO_SHIFT);
+    config.oversampling_enable = Some(true);
 
-    adc.set_oversampling_ratio(Ovsr::MUL16);
-    adc.set_oversampling_shift(Ovss::NO_SHIFT);
-    adc.oversampling_enable(true);
+    let mut adc = Adc::new_with_config(p.ADC1, config);
+    let mut pin = p.PA1;
 
     loop {
         let v = adc.blocking_read(&mut pin, SampleTime::CYCLES1_5);
diff --git a/examples/stm32g4/src/bin/adc.rs b/examples/stm32g4/src/bin/adc.rs
index 94315141c..2149e0748 100644
--- a/examples/stm32g4/src/bin/adc.rs
+++ b/examples/stm32g4/src/bin/adc.rs
@@ -28,9 +28,9 @@ async fn main(_spawner: Spawner) {
     let mut p = embassy_stm32::init(config);
     info!("Hello World!");
 
-    let mut adc = Adc::new(p.ADC2);
+    let mut adc = Adc::new(p.ADC2, Default::default());
 
-    let mut adc_temp = Adc::new(p.ADC1);
+    let mut adc_temp = Adc::new(p.ADC1, Default::default());
     let mut temperature = adc_temp.enable_temperature();
 
     loop {
diff --git a/examples/stm32g4/src/bin/adc_differential.rs b/examples/stm32g4/src/bin/adc_differential.rs
index 2773723e9..6dedf88d6 100644
--- a/examples/stm32g4/src/bin/adc_differential.rs
+++ b/examples/stm32g4/src/bin/adc_differential.rs
@@ -32,7 +32,7 @@ async fn main(_spawner: Spawner) {
     }
     let p = embassy_stm32::init(config);
 
-    let mut adc = Adc::new(p.ADC1);
+    let mut adc = Adc::new(p.ADC1, Default::default());
     let mut differential_channel = (p.PA0, p.PA1);
 
     // can also use
diff --git a/examples/stm32g4/src/bin/adc_dma.rs b/examples/stm32g4/src/bin/adc_dma.rs
index ef8b0c3c2..478b6b2ca 100644
--- a/examples/stm32g4/src/bin/adc_dma.rs
+++ b/examples/stm32g4/src/bin/adc_dma.rs
@@ -33,7 +33,7 @@ async fn main(_spawner: Spawner) {
 
     info!("Hello World!");
 
-    let mut adc = Adc::new(p.ADC1);
+    let mut adc = Adc::new(p.ADC1, Default::default());
 
     let mut dma = p.DMA1_CH1;
     let mut vrefint_channel = adc.enable_vrefint().degrade_adc();
diff --git a/examples/stm32g4/src/bin/adc_injected_and_regular.rs b/examples/stm32g4/src/bin/adc_injected_and_regular.rs
index 3ae2ff064..1e97fa925 100644
--- a/examples/stm32g4/src/bin/adc_injected_and_regular.rs
+++ b/examples/stm32g4/src/bin/adc_injected_and_regular.rs
@@ -77,7 +77,7 @@ async fn main(_spawner: embassy_executor::Spawner) {
     pwm.set_mms2(Mms2::UPDATE);
 
     // Configure regular conversions with DMA
-    let adc1 = Adc::new(p.ADC1);
+    let adc1 = Adc::new(p.ADC1, Default::default());
 
     let vrefint_channel = adc1.enable_vrefint().degrade_adc();
     let pa0 = p.PC1.degrade_adc();
diff --git a/examples/stm32g4/src/bin/adc_oversampling.rs b/examples/stm32g4/src/bin/adc_oversampling.rs
index cb99ab2a7..87ffea4be 100644
--- a/examples/stm32g4/src/bin/adc_oversampling.rs
+++ b/examples/stm32g4/src/bin/adc_oversampling.rs
@@ -9,7 +9,7 @@ use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::Config;
 use embassy_stm32::adc::vals::{Rovsm, Trovs};
-use embassy_stm32::adc::{Adc, SampleTime};
+use embassy_stm32::adc::{Adc, AdcConfig, SampleTime};
 use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
@@ -32,7 +32,8 @@ async fn main(_spawner: Spawner) {
     }
     let mut p = embassy_stm32::init(config);
 
-    let mut adc = Adc::new(p.ADC1);
+    let mut config = AdcConfig::default();
+
     // From https://www.st.com/resource/en/reference_manual/rm0440-stm32g4-series-advanced-armbased-32bit-mcus-stmicroelectronics.pdf
     // page652 Oversampler
     // Table 172. Maximum output results vs N and M. Grayed values indicates truncation
@@ -44,9 +45,11 @@ async fn main(_spawner: Spawner) {
     // 0x05 oversampling ratio X64
     // 0x06 oversampling ratio X128
     // 0x07 oversampling ratio X256
-    adc.set_oversampling_ratio(0x03); // ratio X3
-    adc.set_oversampling_shift(0b0000); // no shift
-    adc.enable_regular_oversampling_mode(Rovsm::RESUMED, Trovs::AUTOMATIC, true);
+    config.oversampling_ratio = Some(0x03); // ratio X3
+    config.oversampling_shift = Some(0b0000); // no shift
+    config.oversampling_mode = Some((Rovsm::RESUMED, Trovs::AUTOMATIC, true));
+
+    let mut adc = Adc::new(p.ADC1, config);
 
     loop {
         let measured = adc.blocking_read(&mut p.PA0, SampleTime::CYCLES6_5);
diff --git a/examples/stm32l4/src/bin/adc.rs b/examples/stm32l4/src/bin/adc.rs
index 835bf5411..42766a5e3 100644
--- a/examples/stm32l4/src/bin/adc.rs
+++ b/examples/stm32l4/src/bin/adc.rs
@@ -3,7 +3,7 @@
 
 use defmt::*;
 use embassy_stm32::Config;
-use embassy_stm32::adc::{Adc, Resolution, SampleTime};
+use embassy_stm32::adc::{Adc, AdcConfig, Resolution, SampleTime};
 use {defmt_rtt as _, panic_probe as _};
 
 #[cortex_m_rt::entry]
@@ -17,9 +17,12 @@ fn main() -> ! {
     }
     let p = embassy_stm32::init(config);
 
-    let mut adc = Adc::new(p.ADC1);
+    let mut config = AdcConfig::default();
+    config.resolution = Some(Resolution::BITS8);
+
+    let mut adc = Adc::new_with_config(p.ADC1, config);
     //adc.enable_vref();
-    adc.set_resolution(Resolution::BITS8);
+
     let mut channel = p.PC0;
 
     loop {
diff --git a/examples/stm32l4/src/bin/adc_dma.rs b/examples/stm32l4/src/bin/adc_dma.rs
index ab1e9d2e9..550da95a4 100644
--- a/examples/stm32l4/src/bin/adc_dma.rs
+++ b/examples/stm32l4/src/bin/adc_dma.rs
@@ -4,7 +4,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::Config;
-use embassy_stm32::adc::{Adc, AdcChannel, SampleTime};
+use embassy_stm32::adc::{Adc, AdcChannel, RegularConversionMode, SampleTime};
 use {defmt_rtt as _, panic_probe as _};
 
 const DMA_BUF_LEN: usize = 512;
@@ -20,7 +20,7 @@ async fn main(_spawner: Spawner) {
     }
     let p = embassy_stm32::init(config);
 
-    let mut adc = Adc::new(p.ADC1);
+    let adc = Adc::new(p.ADC1);
     let adc_pin0 = p.PA0.degrade_adc();
     let adc_pin1 = p.PA1.degrade_adc();
     let mut adc_dma_buf = [0u16; DMA_BUF_LEN];
@@ -29,6 +29,7 @@ async fn main(_spawner: Spawner) {
         p.DMA1_CH1,
         &mut adc_dma_buf,
         [(adc_pin0, SampleTime::CYCLES640_5), (adc_pin1, SampleTime::CYCLES640_5)].into_iter(),
+        RegularConversionMode::Continuous,
     );
 
     info!("starting measurement loop");
diff --git a/examples/stm32u0/src/bin/adc.rs b/examples/stm32u0/src/bin/adc.rs
index 4fbc6f17f..53bd37303 100644
--- a/examples/stm32u0/src/bin/adc.rs
+++ b/examples/stm32u0/src/bin/adc.rs
@@ -3,7 +3,7 @@
 
 use defmt::*;
 use embassy_stm32::Config;
-use embassy_stm32::adc::{Adc, Resolution, SampleTime};
+use embassy_stm32::adc::{Adc, AdcConfig, Resolution, SampleTime};
 use embassy_time::Duration;
 use {defmt_rtt as _, panic_probe as _};
 
@@ -18,8 +18,9 @@ fn main() -> ! {
     }
     let p = embassy_stm32::init(config);
 
-    let mut adc = Adc::new(p.ADC1);
-    adc.set_resolution(Resolution::BITS8);
+    let mut config = AdcConfig::default();
+    config.resolution = Some(Resolution::BITS8);
+    let mut adc = Adc::new_with_config(p.ADC1, config);
     let mut channel = p.PC0;
 
     loop {
diff --git a/examples/stm32u5/src/bin/adc.rs b/examples/stm32u5/src/bin/adc.rs
index 99944f7c7..6b9a91d6e 100644
--- a/examples/stm32u5/src/bin/adc.rs
+++ b/examples/stm32u5/src/bin/adc.rs
@@ -2,7 +2,7 @@
 #![no_main]
 
 use defmt::*;
-use embassy_stm32::adc::{self, AdcChannel, SampleTime, adc4};
+use embassy_stm32::adc::{self, AdcChannel, AdcConfig, SampleTime, adc4};
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -12,19 +12,21 @@ async fn main(_spawner: embassy_executor::Spawner) {
     let mut p = embassy_stm32::init(config);
 
     // **** ADC1 init ****
-    let mut adc1 = adc::Adc::new(p.ADC1);
+    let mut config = AdcConfig::default();
+    config.averaging = Some(adc::Averaging::Samples1024);
+    config.resolution = Some(adc::Resolution::BITS14);
+    let mut adc1 = adc::Adc::new_with_config(p.ADC1, config);
     let mut adc1_pin1 = p.PA3; // A0 on nucleo u5a5
     let mut adc1_pin2 = p.PA2; // A1
-    adc1.set_resolution(adc::Resolution::BITS14);
-    adc1.set_averaging(adc::Averaging::Samples1024);
     let max1 = adc::resolution_to_max_count(adc::Resolution::BITS14);
 
     // **** ADC2 init ****
-    let mut adc2 = adc::Adc::new(p.ADC2);
+    let mut config = AdcConfig::default();
+    config.averaging = Some(adc::Averaging::Samples1024);
+    config.resolution = Some(adc::Resolution::BITS14);
+    let mut adc2 = adc::Adc::new_with_config(p.ADC2, config);
     let mut adc2_pin1 = p.PC3; // A2
     let mut adc2_pin2 = p.PB0; // A3
-    adc2.set_resolution(adc::Resolution::BITS14);
-    adc2.set_averaging(adc::Averaging::Samples1024);
     let max2 = adc::resolution_to_max_count(adc::Resolution::BITS14);
 
     // **** ADC4 init ****