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disconnect pwm pins on drop

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This commit is contained in:
Jacob Rosenthal 2021-11-10 17:19:03 -07:00
parent 3b7af2f4ed
commit 5f28153b81
1 changed files with 12 additions and 0 deletions
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12
embassy-nrf/src/pwm.rs
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@ -237,24 +237,30 @@ impl<'d, T: Instance> SequencePwm<'d, T> {
impl<'a, T: Instance> Drop for SequencePwm<'a, T> {
fn drop(&mut self) {
let r = T::regs();
self.stop();
self.disable();
if let Some(pin) = &self.ch0 {
pin.set_low();
pin.conf().write(|w| w);
r.psel.out[0].write(|w| unsafe { w.bits(0x80000000) });
}
if let Some(pin) = &self.ch1 {
pin.set_low();
pin.conf().write(|w| w);
r.psel.out[1].write(|w| unsafe { w.bits(0x80000000) });
}
if let Some(pin) = &self.ch2 {
pin.set_low();
pin.conf().write(|w| w);
r.psel.out[2].write(|w| unsafe { w.bits(0x80000000) });
}
if let Some(pin) = &self.ch3 {
pin.set_low();
pin.conf().write(|w| w);
r.psel.out[3].write(|w| unsafe { w.bits(0x80000000) });
}
info!("pwm drop: done");
@ -522,24 +528,30 @@ impl<'d, T: Instance> SimplePwm<'d, T> {
impl<'a, T: Instance> Drop for SimplePwm<'a, T> {
fn drop(&mut self) {
let r = T::regs();
self.stop();
self.disable();
if let Some(pin) = &self.ch0 {
pin.set_low();
pin.conf().write(|w| w);
r.psel.out[0].write(|w| unsafe { w.bits(0x80000000) });
}
if let Some(pin) = &self.ch1 {
pin.set_low();
pin.conf().write(|w| w);
r.psel.out[1].write(|w| unsafe { w.bits(0x80000000) });
}
if let Some(pin) = &self.ch2 {
pin.set_low();
pin.conf().write(|w| w);
r.psel.out[2].write(|w| unsafe { w.bits(0x80000000) });
}
if let Some(pin) = &self.ch3 {
pin.set_low();
pin.conf().write(|w| w);
r.psel.out[3].write(|w| unsafe { w.bits(0x80000000) });
}
info!("pwm drop: done");