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Diffstat (limited to 'examples/stm32u5/src/bin/adc.rs')
-rw-r--r--examples/stm32u5/src/bin/adc.rs49
1 files changed, 25 insertions, 24 deletions
diff --git a/examples/stm32u5/src/bin/adc.rs b/examples/stm32u5/src/bin/adc.rs
index d2aa28087..4d2d93aa2 100644
--- a/examples/stm32u5/src/bin/adc.rs
+++ b/examples/stm32u5/src/bin/adc.rs
@@ -2,8 +2,7 @@
2#![no_main] 2#![no_main]
3 3
4use defmt::*; 4use defmt::*;
5use embassy_stm32::adc; 5use embassy_stm32::adc::{self, Adc, AdcChannel, AdcConfig, SampleTime, adc4};
6use embassy_stm32::adc::{adc4, AdcChannel};
7use {defmt_rtt as _, panic_probe as _}; 6use {defmt_rtt as _, panic_probe as _};
8 7
9#[embassy_executor::main] 8#[embassy_executor::main]
@@ -13,56 +12,55 @@ async fn main(_spawner: embassy_executor::Spawner) {
13 let mut p = embassy_stm32::init(config); 12 let mut p = embassy_stm32::init(config);
14 13
15 // **** ADC1 init **** 14 // **** ADC1 init ****
16 let mut adc1 = adc::Adc::new(p.ADC1); 15 let mut config = AdcConfig::default();
16 config.averaging = Some(adc::Averaging::Samples1024);
17 config.resolution = Some(adc::Resolution::BITS14);
18 let mut adc1 = Adc::new_with_config(p.ADC1, config);
17 let mut adc1_pin1 = p.PA3; // A0 on nucleo u5a5 19 let mut adc1_pin1 = p.PA3; // A0 on nucleo u5a5
18 let mut adc1_pin2 = p.PA2; // A1 20 let mut adc1_pin2 = p.PA2; // A1
19 adc1.set_resolution(adc::Resolution::BITS14);
20 adc1.set_averaging(adc::Averaging::Samples1024);
21 adc1.set_sample_time(adc::SampleTime::CYCLES160_5);
22 let max1 = adc::resolution_to_max_count(adc::Resolution::BITS14); 21 let max1 = adc::resolution_to_max_count(adc::Resolution::BITS14);
23 22
24 // **** ADC2 init **** 23 // **** ADC2 init ****
25 let mut adc2 = adc::Adc::new(p.ADC2); 24 let mut config = AdcConfig::default();
25 config.averaging = Some(adc::Averaging::Samples1024);
26 config.resolution = Some(adc::Resolution::BITS14);
27 let mut adc2 = Adc::new_with_config(p.ADC2, config);
26 let mut adc2_pin1 = p.PC3; // A2 28 let mut adc2_pin1 = p.PC3; // A2
27 let mut adc2_pin2 = p.PB0; // A3 29 let mut adc2_pin2 = p.PB0; // A3
28 adc2.set_resolution(adc::Resolution::BITS14);
29 adc2.set_averaging(adc::Averaging::Samples1024);
30 adc2.set_sample_time(adc::SampleTime::CYCLES160_5);
31 let max2 = adc::resolution_to_max_count(adc::Resolution::BITS14); 30 let max2 = adc::resolution_to_max_count(adc::Resolution::BITS14);
32 31
33 // **** ADC4 init **** 32 // **** ADC4 init ****
34 let mut adc4 = adc4::Adc4::new(p.ADC4); 33 let mut adc4 = Adc::new_adc4(p.ADC4);
35 let mut adc4_pin1 = p.PC1; // A4 34 let mut adc4_pin1 = p.PC1.degrade_adc(); // A4
36 let mut adc4_pin2 = p.PC0; // A5 35 let mut adc4_pin2 = p.PC0; // A5
37 adc4.set_resolution(adc4::Resolution::BITS12); 36 adc4.set_resolution_adc4(adc4::Resolution::BITS12);
38 adc4.set_averaging(adc4::Averaging::Samples256); 37 adc4.set_averaging_adc4(adc4::Averaging::Samples256);
39 adc4.set_sample_time(adc4::SampleTime::CYCLES1_5);
40 let max4 = adc4::resolution_to_max_count(adc4::Resolution::BITS12); 38 let max4 = adc4::resolution_to_max_count(adc4::Resolution::BITS12);
41 39
42 // **** ADC1 blocking read **** 40 // **** ADC1 blocking read ****
43 let raw: u16 = adc1.blocking_read(&mut adc1_pin1); 41 let raw: u16 = adc1.blocking_read(&mut adc1_pin1, SampleTime::CYCLES160_5);
44 let volt: f32 = 3.3 * raw as f32 / max1 as f32; 42 let volt: f32 = 3.3 * raw as f32 / max1 as f32;
45 info!("Read adc1 pin 1 {}", volt); 43 info!("Read adc1 pin 1 {}", volt);
46 44
47 let raw: u16 = adc1.blocking_read(&mut adc1_pin2); 45 let raw: u16 = adc1.blocking_read(&mut adc1_pin2, SampleTime::CYCLES160_5);
48 let volt: f32 = 3.3 * raw as f32 / max1 as f32; 46 let volt: f32 = 3.3 * raw as f32 / max1 as f32;
49 info!("Read adc1 pin 2 {}", volt); 47 info!("Read adc1 pin 2 {}", volt);
50 48
51 // **** ADC2 blocking read **** 49 // **** ADC2 blocking read ****
52 let raw: u16 = adc2.blocking_read(&mut adc2_pin1); 50 let raw: u16 = adc2.blocking_read(&mut adc2_pin1, SampleTime::CYCLES160_5);
53 let volt: f32 = 3.3 * raw as f32 / max2 as f32; 51 let volt: f32 = 3.3 * raw as f32 / max2 as f32;
54 info!("Read adc2 pin 1 {}", volt); 52 info!("Read adc2 pin 1 {}", volt);
55 53
56 let raw: u16 = adc2.blocking_read(&mut adc2_pin2); 54 let raw: u16 = adc2.blocking_read(&mut adc2_pin2, SampleTime::CYCLES160_5);
57 let volt: f32 = 3.3 * raw as f32 / max2 as f32; 55 let volt: f32 = 3.3 * raw as f32 / max2 as f32;
58 info!("Read adc2 pin 2 {}", volt); 56 info!("Read adc2 pin 2 {}", volt);
59 57
60 // **** ADC4 blocking read **** 58 // **** ADC4 blocking read ****
61 let raw: u16 = adc4.blocking_read(&mut adc4_pin1); 59 let raw: u16 = adc4.blocking_read(&mut adc4_pin1, adc4::SampleTime::CYCLES1_5);
62 let volt: f32 = 3.3 * raw as f32 / max4 as f32; 60 let volt: f32 = 3.3 * raw as f32 / max4 as f32;
63 info!("Read adc4 pin 1 {}", volt); 61 info!("Read adc4 pin 1 {}", volt);
64 62
65 let raw: u16 = adc4.blocking_read(&mut adc4_pin2); 63 let raw: u16 = adc4.blocking_read(&mut adc4_pin2, adc4::SampleTime::CYCLES1_5);
66 let volt: f32 = 3.3 * raw as f32 / max4 as f32; 64 let volt: f32 = 3.3 * raw as f32 / max4 as f32;
67 info!("Read adc4 pin 2 {}", volt); 65 info!("Read adc4 pin 2 {}", volt);
68 66
@@ -97,11 +95,14 @@ async fn main(_spawner: embassy_executor::Spawner) {
97 // The channels must be in ascending order and can't repeat for ADC4 95 // The channels must be in ascending order and can't repeat for ADC4
98 adc4.read( 96 adc4.read(
99 p.GPDMA1_CH1.reborrow(), 97 p.GPDMA1_CH1.reborrow(),
100 [&mut degraded42, &mut degraded41].into_iter(), 98 [
99 (&mut degraded42, adc4::SampleTime::CYCLES1_5),
100 (&mut degraded41, adc4::SampleTime::CYCLES1_5),
101 ]
102 .into_iter(),
101 &mut measurements, 103 &mut measurements,
102 ) 104 )
103 .await 105 .await;
104 .unwrap();
105 let volt2: f32 = 3.3 * measurements[0] as f32 / max4 as f32; 106 let volt2: f32 = 3.3 * measurements[0] as f32 / max4 as f32;
106 let volt1: f32 = 3.3 * measurements[1] as f32 / max4 as f32; 107 let volt1: f32 = 3.3 * measurements[1] as f32 / max4 as f32;
107 info!("Async read 4 pin 1 {}", volt1); 108 info!("Async read 4 pin 1 {}", volt1);