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Implement Output::is_set_low for embassy-rp

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This commit implements a suggestion for the method is_set_low which is
currently a 'todo', by reading last value written to GPIO_OUT.
This commit is contained in:
Daniel Bevenius 2022-05-11 16:23:31 +02:00
parent 69e0f9f0fe
commit 6d4a49bca8
1 changed files with 2 additions and 2 deletions
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embassy-rp/src/gpio.rs
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@ -127,8 +127,8 @@ impl<'d, T: Pin> Output<'d, T> {
/// Is the output pin set as low?
pub fn is_set_low(&self) -> bool {
// todo
true
// Reading from SIO: GPIO_OUT gives the last value written.
unsafe { self.pin.sio_out().value().read() == 0 }
}
}