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Temporarily disable out_sticky in set_pindirs

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Otherwise, it will change unrelated pindirs as well, if sticky is set
This commit is contained in:
Jan Niehusmann 2022-08-25 07:31:09 +00:00
parent 1574a36f7e
commit 6b0ea14ec1
1 changed files with 9 additions and 0 deletions
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9
rp2040-hal/src/pio.rs
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@ -627,6 +627,11 @@ impl<SM: ValidStateMachine> StateMachine<SM, Stopped> {
// `UninitStateMachine` byt adding a program.
pub fn set_pindirs(&mut self, pindirs: impl IntoIterator<Item = (u8, PinDir)>) {
let saved_ctrl = self.sm.sm().sm_pinctrl.read();
let saved_execctrl = self.sm.sm().sm_execctrl.read();
self.sm
.sm()
.sm_execctrl
.modify(|_, w| w.out_sticky().clear_bit());
for (pinnum, pin_dir) in pindirs {
self.sm
.sm()
@ -644,6 +649,10 @@ impl<SM: ValidStateMachine> StateMachine<SM, Stopped> {
.sm()
.sm_pinctrl
.write(|w| unsafe { w.bits(saved_ctrl.bits()) });
self.sm
.sm()
.sm_execctrl
.write(|w| unsafe { w.bits(saved_execctrl.bits()) });
}
}