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libboard_zynq: remove unneeded Uart flush

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Astro 2020-05-02 23:30:45 +02:00
parent e047c2900b
commit 0f666c570c
1 changed files with 3 additions and 4 deletions
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7
libboard_zynq/src/uart/mod.rs
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@ -192,15 +192,14 @@ impl Uart {
self.regs.channel_sts.read().txfull()
}
pub fn tx_fifo_empty(&self) -> bool {
self.regs.channel_sts.read().txempty()
pub fn tx_idle(&self) -> bool {
let status = self.regs.channel_sts.read();
status.txempty() && !status.tactive()
}
}
impl fmt::Write for Uart {
fn write_str(&mut self, s: &str) -> Result<(), fmt::Error> {
while !self.tx_fifo_empty() {}
for b in s.bytes() {
self.write_byte(b);
}