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authorRaul Alimbekov <[email protected]>2025-12-16 09:05:22 +0300
committerGitHub <[email protected]>2025-12-16 09:05:22 +0300
commitc9a04b4b732b7a3b696eb8223664c1a7942b1875 (patch)
tree6dbe5c02e66eed8d8762f13f95afd24f8db2b38c /examples/stm32f334/src/bin/opamp.rs
parentcde24a3ef1117653ba5ed4184102b33f745782fb (diff)
parent5ae6e060ec1c90561719aabdc29d5b6e7b8b0a82 (diff)
Merge branch 'main' into main
Diffstat (limited to 'examples/stm32f334/src/bin/opamp.rs')
-rw-r--r--examples/stm32f334/src/bin/opamp.rs14
1 files changed, 6 insertions, 8 deletions
diff --git a/examples/stm32f334/src/bin/opamp.rs b/examples/stm32f334/src/bin/opamp.rs
index c344935d7..9555fd35d 100644
--- a/examples/stm32f334/src/bin/opamp.rs
+++ b/examples/stm32f334/src/bin/opamp.rs
@@ -7,7 +7,7 @@ use embassy_stm32::adc::{Adc, SampleTime};
7use embassy_stm32::opamp::OpAmp; 7use embassy_stm32::opamp::OpAmp;
8use embassy_stm32::peripherals::ADC2; 8use embassy_stm32::peripherals::ADC2;
9use embassy_stm32::time::mhz; 9use embassy_stm32::time::mhz;
10use embassy_stm32::{adc, bind_interrupts, Config}; 10use embassy_stm32::{Config, adc, bind_interrupts};
11use embassy_time::Timer; 11use embassy_time::Timer;
12use {defmt_rtt as _, panic_probe as _}; 12use {defmt_rtt as _, panic_probe as _};
13 13
@@ -42,8 +42,6 @@ async fn main(_spawner: Spawner) -> ! {
42 let mut adc = Adc::new(p.ADC2, Irqs); 42 let mut adc = Adc::new(p.ADC2, Irqs);
43 let mut opamp = OpAmp::new(p.OPAMP2); 43 let mut opamp = OpAmp::new(p.OPAMP2);
44 44
45 adc.set_sample_time(SampleTime::CYCLES601_5);
46
47 info!("enable vrefint..."); 45 info!("enable vrefint...");
48 46
49 let mut vrefint = adc.enable_vref(); 47 let mut vrefint = adc.enable_vref();
@@ -51,16 +49,16 @@ async fn main(_spawner: Spawner) -> ! {
51 let mut buffer = opamp.buffer_ext(p.PA7.reborrow(), p.PA6.reborrow()); 49 let mut buffer = opamp.buffer_ext(p.PA7.reborrow(), p.PA6.reborrow());
52 50
53 loop { 51 loop {
54 let vref = adc.read(&mut vrefint).await; 52 let vref = adc.read(&mut vrefint, SampleTime::CYCLES601_5).await;
55 info!("read vref: {} (should be {})", vref, vrefint.value()); 53 info!("read vref: {} (should be {})", vref, vrefint.calibrated_value());
56 54
57 let temp = adc.read(&mut temperature).await; 55 let temp = adc.read(&mut temperature, SampleTime::CYCLES601_5).await;
58 info!("read temperature: {}", temp); 56 info!("read temperature: {}", temp);
59 57
60 let buffer = adc.read(&mut buffer).await; 58 let buffer = adc.read(&mut buffer, SampleTime::CYCLES601_5).await;
61 info!("read buffer: {}", buffer); 59 info!("read buffer: {}", buffer);
62 60
63 let pin_mv = (buffer as u32 * vrefint.value() as u32 / vref as u32) * 3300 / 4095; 61 let pin_mv = (buffer as u32 * vrefint.calibrated_value() as u32 / vref as u32) * 3300 / 4095;
64 info!("computed pin mv: {}", pin_mv); 62 info!("computed pin mv: {}", pin_mv);
65 63
66 Timer::after_millis(500).await; 64 Timer::after_millis(500).await;