From 431a60ca6384a77243d33f5b1bbef878267bea49 Mon Sep 17 00:00:00 2001
From: Bruno Bousquet <21108660+brunob45@users.noreply.github.com>
Date: Sun, 5 May 2024 22:30:16 -0400
Subject: [PATCH] formatting

---
 embassy-stm32/src/timer/input_capture.rs  |  1 -
 examples/stm32f4/Cargo.toml               |  2 +-
 examples/stm32f4/src/bin/input_capture.rs | 29 +++++++++++++----------
 3 files changed, 18 insertions(+), 14 deletions(-)

diff --git a/embassy-stm32/src/timer/input_capture.rs b/embassy-stm32/src/timer/input_capture.rs
index 6401656c8..bf26cabc6 100644
--- a/embassy-stm32/src/timer/input_capture.rs
+++ b/embassy-stm32/src/timer/input_capture.rs
@@ -3,7 +3,6 @@
 use core::marker::PhantomData;
 
 use embassy_hal_internal::{into_ref, PeripheralRef};
-use embassy_sync::channel;
 
 use super::low_level::{CountingMode, InputCaptureMode, InputTISelection, Timer};
 use super::{Channel, Channel1Pin, Channel2Pin, Channel3Pin, Channel4Pin, GeneralInstance4Channel};
diff --git a/examples/stm32f4/Cargo.toml b/examples/stm32f4/Cargo.toml
index 64ac50818..5469f0cc6 100644
--- a/examples/stm32f4/Cargo.toml
+++ b/examples/stm32f4/Cargo.toml
@@ -6,7 +6,7 @@ license = "MIT OR Apache-2.0"
 
 [dependencies]
 # Change stm32f429zi to your chip name, if necessary.
-embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32f429zi", "unstable-pac", "memory-x", "time-driver-any", "exti", "chrono"]  }
+embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32f446re", "unstable-pac", "memory-x", "time-driver-any", "exti", "chrono"]  }
 embassy-sync = { version = "0.5.0", path = "../../embassy-sync", features = ["defmt"] }
 embassy-executor = { version = "0.5.0", path = "../../embassy-executor", features = ["task-arena-size-32768", "arch-cortex-m", "executor-thread", "executor-interrupt", "defmt", "integrated-timers"] }
 embassy-time = { version = "0.3.0", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
diff --git a/examples/stm32f4/src/bin/input_capture.rs b/examples/stm32f4/src/bin/input_capture.rs
index 202f363fc..714f043b6 100644
--- a/examples/stm32f4/src/bin/input_capture.rs
+++ b/examples/stm32f4/src/bin/input_capture.rs
@@ -3,17 +3,14 @@
 
 use defmt::*;
 use embassy_executor::Spawner;
-use embassy_stm32::{
-    gpio::{self, Level, Output, Speed},
-    time::Hertz,
-};
+use embassy_stm32::gpio::{Level, Output, Pull, Speed};
+use embassy_stm32::time::khz;
+use embassy_stm32::timer::input_capture::{CapturePin, InputCapture};
+use embassy_stm32::timer::Channel;
 use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
-use embassy_stm32::timer::{
-    input_capture::{CapturePin, InputCapture},
-    Channel,
-};
+/// Connect PB2 and PB10 with a 1k Ohm resistor
 
 #[embassy_executor::main]
 async fn main(_spawner: Spawner) {
@@ -22,9 +19,11 @@ async fn main(_spawner: Spawner) {
 
     let mut led = Output::new(p.PB2, Level::High, Speed::Low);
 
-    let ic = CapturePin::new_ch3(p.PB10, gpio::Pull::None);
-    let drv = InputCapture::new(p.TIM2, None, None, Some(ic), None, Hertz::mhz(1), Default::default());
-    let mut _last: u32;
+    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 last = 0;
 
     loop {
         info!("high");
@@ -34,6 +33,12 @@ async fn main(_spawner: Spawner) {
         info!("low");
         led.set_low();
         Timer::after_millis(300).await;
-        _last = drv.get_capture_value(Channel::Ch1);
+
+        // Check for input capture
+        let cap = ic.get_capture_value(Channel::Ch3);
+        if cap != last {
+            info!("New capture!");
+            last = cap;
+        }
     }
 }