stm32: add config to MCO to control the drive strength.

1 files changed, 29 insertions, 0 deletions

diff --git a/examples/stm32h5/src/bin/mco.rs b/examples/stm32h5/src/bin/mco.rs
new file mode 100644
index 000000000..1137ba25c
--- /dev/null
+++ b/examples/stm32h5/src/bin/mco.rs
@@ -0,0 +1,29 @@
+#![no_std]
+#![no_main]
+
+use defmt::*;
+use embassy_executor::Spawner;
+use embassy_stm32::gpio::Speed;
+use embassy_stm32::rcc::{Mco, Mco2Source, McoConfig};
+use {defmt_rtt as _, panic_probe as _};
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) {
+    let p = embassy_stm32::init(Default::default());
+
+    /* Default "VeryHigh" drive strength and prescaler DIV1 */
+    // let _mco = Mco::new(p.MCO2, p.PC9, Mco2Source::SYS, McoConfig::default());
+
+    /* Choose Speed::Low drive strength */
+    let config = {
+        let mut config = McoConfig::default();
+        config.speed = Speed::Low;
+        config
+    };
+
+    let _mco = Mco::new(p.MCO2, p.PC9, Mco2Source::SYS, config);
+
+    info!("Clock out with low drive strength set on Master Clock Out 2 pin as AF on PC9");
+
+    loop {}
+}