zynq-rs/src/uart/mod.rs

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#![allow(unused)]
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use core::fmt;
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mod regs;
pub use regs::RegisterBlock;
pub struct Uart {
regs: &'static mut RegisterBlock,
}
impl Uart {
pub fn uart0() -> Self {
let uart_rst_ctrl = super::slcr::UartRstCtrl::new();
uart_rst_ctrl.reset_uart0();
// TODO: Route UART 0 RxD/TxD Signals to MIO Pins
let uart_clk_ctrl = super::slcr::UartClkCtrl::new();
uart_clk_ctrl.enable_uart0();
Uart {
regs: RegisterBlock::uart0(),
}.init()
}
fn init(self) -> Self {
self.regs.configure();
self
}
pub fn write_byte(&self, v: u8) {
while self.regs.tx_fifo_full() {}
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self.regs.write_byte(v);
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}
}
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impl fmt::Write for Uart {
fn write_str(&mut self, s: &str) -> Result<(), fmt::Error> {
for b in s.bytes() {
self.write_byte(b);
}
Ok(())
}
}