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nrf: spim: Use SetConfig trait internally to reduce duplication

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Priit Laes 2023-09-06 16:44:02 +03:00 committed by Dario Nieuwenhuis
parent db717d9c81
commit 8413a89752
1 changed files with 4 additions and 36 deletions
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40
embassy-nrf/src/spim.rs
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@ -189,42 +189,10 @@ impl<'d, T: Instance> Spim<'d, T> {
// Enable SPIM instance.
r.enable.write(|w| w.enable().enabled());
// Configure mode.
let mode = config.mode;
r.config.write(|w| {
match mode {
MODE_0 => {
w.order().msb_first();
w.cpol().active_high();
w.cpha().leading();
}
MODE_1 => {
w.order().msb_first();
w.cpol().active_high();
w.cpha().trailing();
}
MODE_2 => {
w.order().msb_first();
w.cpol().active_low();
w.cpha().leading();
}
MODE_3 => {
w.order().msb_first();
w.cpol().active_low();
w.cpha().trailing();
}
}
let mut spim = Self { _p: spim };
w
});
// Configure frequency.
let frequency = config.frequency;
r.frequency.write(|w| w.frequency().variant(frequency));
// Set over-read character
let orc = config.orc;
r.orc.write(|w| unsafe { w.orc().bits(orc) });
// Apply runtime peripheral configuration
Self::set_config(&mut spim, &config);
// Disable all events interrupts
r.intenclr.write(|w| unsafe { w.bits(0xFFFF_FFFF) });
@ -232,7 +200,7 @@ impl<'d, T: Instance> Spim<'d, T> {
T::Interrupt::unpend();
unsafe { T::Interrupt::enable() };
Self { _p: spim }
spim
}
fn prepare(&mut self, rx: *mut [u8], tx: *const [u8]) -> Result<(), Error> {