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Cleanup stm32f4 examples

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* Remove dependency on stm32f4 pac crate
* Remove unused `ZeroClock`
This commit is contained in:
Timo Kröger
2021-07-21 23:12:36 +02:00
parent 40ea8298ee
commit 5e998d1a6c
7 changed files with 101 additions and 170 deletions
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39
examples/stm32f4/src/bin/spi.rs
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@@ -14,38 +14,31 @@ use embedded_hal::digital::v2::OutputPin;
use example_common::*;
use cortex_m_rt::entry;
use embassy_stm32::pac;
use embassy_stm32::spi::{Config, Spi};
use embassy_stm32::time::Hertz;
use embedded_hal::blocking::spi::Transfer;
use stm32f4::stm32f429 as pac;
#[entry]
fn main() -> ! {
info!("Hello World, dude!");
let pp = pac::Peripherals::take().unwrap();
unsafe {
pac::DBGMCU.cr().modify(|w| {
w.set_dbg_sleep(true);
w.set_dbg_standby(true);
w.set_dbg_stop(true);
});
pp.DBGMCU.cr.modify(|_, w| {
w.dbg_sleep().set_bit();
w.dbg_standby().set_bit();
w.dbg_stop().set_bit()
});
pp.RCC.ahb1enr.modify(|_, w| w.dma1en().set_bit());
pp.RCC.apb1enr.modify(|_, w| {
w.spi3en().enabled();
w
});
pp.RCC.ahb1enr.modify(|_, w| {
w.gpioaen().enabled();
w.gpioben().enabled();
w.gpiocen().enabled();
w.gpioden().enabled();
w.gpioeen().enabled();
w.gpiofen().enabled();
w
});
pac::RCC.ahb1enr().modify(|w| {
w.set_gpioaen(true);
w.set_gpioben(true);
w.set_gpiocen(true);
w.set_gpioden(true);
w.set_gpioeen(true);
w.set_gpiofen(true);
});
}
let p = embassy_stm32::init(Default::default());