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-rw-r--r--examples/stm32f7/src/bin/can.rs21
1 files changed, 14 insertions, 7 deletions
diff --git a/examples/stm32f7/src/bin/can.rs b/examples/stm32f7/src/bin/can.rs
index bcfdb67a8..c3e14bbf4 100644
--- a/examples/stm32f7/src/bin/can.rs
+++ b/examples/stm32f7/src/bin/can.rs
@@ -1,16 +1,18 @@
1#![no_std] 1#![no_std]
2#![no_main] 2#![no_main]
3 3
4use core::num::{NonZeroU16, NonZeroU8};
5
4use defmt::*; 6use defmt::*;
5use embassy_executor::Spawner; 7use embassy_executor::Spawner;
6use embassy_stm32::bind_interrupts; 8use embassy_stm32::can::filter::Mask32;
7use embassy_stm32::can::bxcan::filter::Mask32;
8use embassy_stm32::can::bxcan::{Fifo, Frame, StandardId};
9use embassy_stm32::can::{ 9use embassy_stm32::can::{
10 Can, CanTx, Rx0InterruptHandler, Rx1InterruptHandler, SceInterruptHandler, TxInterruptHandler, 10 Can, CanTx, Fifo, Frame, Rx0InterruptHandler, Rx1InterruptHandler, SceInterruptHandler, StandardId,
11 TxInterruptHandler,
11}; 12};
12use embassy_stm32::gpio::{Input, Pull}; 13use embassy_stm32::gpio::{Input, Pull};
13use embassy_stm32::peripherals::CAN3; 14use embassy_stm32::peripherals::CAN3;
15use embassy_stm32::{bind_interrupts, can};
14use static_cell::StaticCell; 16use static_cell::StaticCell;
15use {defmt_rtt as _, panic_probe as _}; 17use {defmt_rtt as _, panic_probe as _};
16 18
@@ -22,7 +24,7 @@ bind_interrupts!(struct Irqs {
22}); 24});
23 25
24#[embassy_executor::task] 26#[embassy_executor::task]
25pub async fn send_can_message(tx: &'static mut CanTx<'static, 'static, CAN3>) { 27pub async fn send_can_message(tx: &'static mut CanTx<'static, CAN3>) {
26 loop { 28 loop {
27 let frame = Frame::new_data(unwrap!(StandardId::new(0 as _)), [0]); 29 let frame = Frame::new_data(unwrap!(StandardId::new(0 as _)), [0]);
28 tx.write(&frame).await; 30 tx.write(&frame).await;
@@ -51,13 +53,18 @@ async fn main(spawner: Spawner) {
51 53
52 can.as_mut() 54 can.as_mut()
53 .modify_config() 55 .modify_config()
54 .set_bit_timing(0x001c0001) // http://www.bittiming.can-wiki.info/ 56 .set_bit_timing(can::util::NominalBitTiming {
57 prescaler: NonZeroU16::new(2).unwrap(),
58 seg1: NonZeroU8::new(13).unwrap(),
59 seg2: NonZeroU8::new(2).unwrap(),
60 sync_jump_width: NonZeroU8::new(1).unwrap(),
61 }) // http://www.bittiming.can-wiki.info/
55 .set_loopback(true) 62 .set_loopback(true)
56 .enable(); 63 .enable();
57 64
58 let (tx, mut rx) = can.split(); 65 let (tx, mut rx) = can.split();
59 66
60 static CAN_TX: StaticCell<CanTx<'static, 'static, CAN3>> = StaticCell::new(); 67 static CAN_TX: StaticCell<CanTx<'static, CAN3>> = StaticCell::new();
61 let tx = CAN_TX.init(tx); 68 let tx = CAN_TX.init(tx);
62 spawner.spawn(send_can_message(tx)).unwrap(); 69 spawner.spawn(send_can_message(tx)).unwrap();
63 70