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nrf: spis: Use SetConfig trait internally to reduce duplication

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Priit Laes 2023-09-06 16:46:17 +03:00 committed by Dario Nieuwenhuis
parent 8413a89752
commit 93d4cfe7c1
1 changed files with 4 additions and 41 deletions
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45
embassy-nrf/src/spis.rs
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@ -169,47 +169,10 @@ impl<'d, T: Instance> Spis<'d, T> {
// Enable SPIS 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 spis = Self { _p: spis };
w
});
// Set over-read character.
let orc = config.orc;
r.orc.write(|w| unsafe { w.orc().bits(orc) });
// Set default character.
let def = config.def;
r.def.write(|w| unsafe { w.def().bits(def) });
// Configure auto-acquire on 'transfer end' event.
if config.auto_acquire {
r.shorts.write(|w| w.end_acquire().bit(true));
}
// Apply runtime peripheral configuration
Self::set_config(&mut spis, &config);
// Disable all events interrupts.
r.intenclr.write(|w| unsafe { w.bits(0xFFFF_FFFF) });
@ -217,7 +180,7 @@ impl<'d, T: Instance> Spis<'d, T> {
T::Interrupt::unpend();
unsafe { T::Interrupt::enable() };
Self { _p: spis }
spis
}
fn prepare(&mut self, rx: *mut [u8], tx: *const [u8]) -> Result<(), Error> {