add async capture

1 files changed, 14 insertions, 12 deletions

diff --git a/examples/stm32f4/src/bin/input_capture.rs b/examples/stm32f4/src/bin/input_capture.rs
index 17f65c6b9..862a3103b 100644
--- a/examples/stm32f4/src/bin/input_capture.rs
+++ b/examples/stm32f4/src/bin/input_capture.rs
@@ -3,18 +3,19 @@
 
 use defmt::*;
 use embassy_executor::Spawner;
+use embassy_stm32::bind_interrupts;
 use embassy_stm32::gpio::{Level, Output, Pull, Speed};
-use embassy_stm32::peripherals::PB2;
+use embassy_stm32::peripherals;
 use embassy_stm32::time::khz;
 use embassy_stm32::timer::input_capture::{CapturePin, InputCapture};
-use embassy_stm32::timer::Channel;
+use embassy_stm32::timer::{self, Channel};
 use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 /// Connect PB2 and PB10 with a 1k Ohm resistor
 
 #[embassy_executor::task]
-async fn blinky(led: PB2) {
+async fn blinky(led: peripherals::PB2) {
     let mut led = Output::new(led, Level::High, Speed::Low);
 
     loop {
@@ -28,6 +29,10 @@ async fn blinky(led: PB2) {
     }
 }
 
+bind_interrupts!(struct Irqs {
+    TIM2 => timer::CaptureCompareInterruptHandler<peripherals::TIM2>;
+});
+
 #[embassy_executor::main]
 async fn main(spawner: Spawner) {
     let p = embassy_stm32::init(Default::default());
@@ -36,16 +41,13 @@ async fn main(spawner: Spawner) {
     unwrap!(spawner.spawn(blinky(p.PB2)));
 
     let ch3 = CapturePin::new_ch3(p.PB10, Pull::None);
-    let mut ic = InputCapture::new(p.TIM2, None, None, Some(ch3), None, khz(1000), Default::default());
-    ic.enable(Channel::Ch3);
+    let mut ic = InputCapture::new(p.TIM2, None, None, Some(ch3), None, Irqs, khz(1000), Default::default());
 
     loop {
-        // Check for input capture
-        if ic.get_input_interrupt(Channel::Ch3) {
-            let capture_value = ic.get_capture_value(Channel::Ch3);
-            info!("New capture! {}", capture_value);
-        }
-        // Wait a little bit
-        Timer::after_millis(1).await;
+        info!("wait for risign edge");
+        ic.wait_for_rising_edge(Channel::Ch3).await;
+
+        let capture_value = ic.get_capture_value(Channel::Ch3);
+        info!("new capture! {}", capture_value);
     }
 }