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41 lines
816 B
Rust
41 lines
816 B
Rust
#![no_main]
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#![no_std]
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#[allow(unused)]
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use panic_halt;
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use stm32f0xx_hal as hal;
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use crate::hal::prelude::*;
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use crate::hal::serial::Serial;
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use crate::hal::stm32;
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use nb::block;
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use cortex_m_rt::entry;
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#[entry]
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fn main() -> ! {
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if let Some(p) = stm32::Peripherals::take() {
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let gpioa = p.GPIOA.split();
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let rcc = p.RCC.constrain();
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let clocks = rcc.cfgr.sysclk(48.mhz()).freeze();
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let tx = gpioa.pa9.into_alternate_af1();
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let rx = gpioa.pa10.into_alternate_af1();
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let serial = Serial::usart1(p.USART1, (tx, rx), 115_200.bps(), clocks);
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let (mut tx, mut rx) = serial.split();
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loop {
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let received = block!(rx.read()).unwrap();
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block!(tx.write(received)).ok();
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}
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}
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loop {
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continue;
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}
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}
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