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stm32f4-examples: add workaround for WFI breaking RTT

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This commit is contained in:
Dario Nieuwenhuis 2021-02-20 01:29:26 +01:00
parent 3b3b1ba346
commit 82846d164c
3 changed files with 22 additions and 0 deletions
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7
embassy-stm32f4-examples/src/bin/exti.rs
View File

@ -44,6 +44,13 @@ fn main() -> ! {
let dp = stm32::Peripherals::take().unwrap(); let dp = stm32::Peripherals::take().unwrap();
let cp = cortex_m::peripheral::Peripherals::take().unwrap(); let cp = cortex_m::peripheral::Peripherals::take().unwrap();
dp.DBGMCU.cr.modify(|_, w| {
w.dbg_sleep().set_bit();
w.dbg_standby().set_bit();
w.dbg_stop().set_bit()
});
dp.RCC.ahb1enr.modify(|_, w| w.dma1en().enabled());
let executor = EXECUTOR.put(Executor::new()); let executor = EXECUTOR.put(Executor::new());
executor.run(|spawner| { executor.run(|spawner| {
unwrap!(spawner.spawn(run(dp, cp))); unwrap!(spawner.spawn(run(dp, cp)));

8
embassy-stm32f4-examples/src/bin/hello.rs
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@ -15,6 +15,14 @@ fn main() -> ! {
info!("Hello World!"); info!("Hello World!");
let p = stm32f4xx_hal::stm32::Peripherals::take().unwrap(); let p = stm32f4xx_hal::stm32::Peripherals::take().unwrap();
p.DBGMCU.cr.modify(|_, w| {
w.dbg_sleep().set_bit();
w.dbg_standby().set_bit();
w.dbg_stop().set_bit()
});
p.RCC.ahb1enr.modify(|_, w| w.dma1en().enabled());
let gpioa = p.GPIOA.split(); let gpioa = p.GPIOA.split();
let gpioc = p.GPIOC.split(); let gpioc = p.GPIOC.split();

7
embassy-stm32f4-examples/src/bin/serial.rs
View File

@ -20,6 +20,13 @@ use stm32f4xx_hal::stm32;
#[task] #[task]
async fn run(dp: stm32::Peripherals, _cp: cortex_m::Peripherals) { async fn run(dp: stm32::Peripherals, _cp: cortex_m::Peripherals) {
dp.DBGMCU.cr.modify(|_, w| {
w.dbg_sleep().set_bit();
w.dbg_standby().set_bit();
w.dbg_stop().set_bit()
});
dp.RCC.ahb1enr.modify(|_, w| w.dma1en().enabled());
// https://gist.github.com/thalesfragoso/a07340c5df6eee3b04c42fdc69ecdcb1 // https://gist.github.com/thalesfragoso/a07340c5df6eee3b04c42fdc69ecdcb1
let gpioa = dp.GPIOA.split(); let gpioa = dp.GPIOA.split();
let rcc = dp.RCC.constrain(); let rcc = dp.RCC.constrain();