Module f3::examples::_06_serial_echo
[−]
[src]
Serial interface echo server
In this example every received byte will be sent back to the sender. You can test this example
with serial terminal emulator like minicom
.
#![deny(unsafe_code)] #![deny(warnings)] #![no_std] extern crate f3; #[macro_use(block)] extern crate nb; use f3::hal::prelude::*; use f3::hal::serial::Serial; use f3::hal::stm32f30x; fn main() { let p = stm32f30x::Peripherals::take().unwrap(); let mut flash = p.FLASH.constrain(); let mut rcc = p.RCC.constrain(); let mut gpioa = p.GPIOA.split(&mut rcc.ahb); let clocks = rcc.cfgr.freeze(&mut flash.acr); let tx = gpioa.pa9.into_af7(&mut gpioa.moder, &mut gpioa.afrh); let rx = gpioa.pa10.into_af7(&mut gpioa.moder, &mut gpioa.afrh); let serial = Serial::usart1(p.USART1, (tx, rx), 115_200.bps(), clocks, &mut rcc.apb2); let (mut tx, mut rx) = serial.split(); loop { let byte = block!(rx.read()).unwrap(); block!(tx.write(byte)).ok(); } }