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rp/pio: add PioPin trait

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pio can only access pins in bank 0, so it doesn't make sense to even
allow wrapping of other banks' pins.
This commit is contained in:
pennae
2023-05-03 08:15:46 +02:00
parent 17e78175a6
commit 4ccb2bc95a
4 changed files with 45 additions and 27 deletions
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17
examples/rp/src/bin/pio_hd44780.rs
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@ -6,9 +6,8 @@ use core::fmt::Write;
use embassy_executor::Spawner;
use embassy_rp::dma::{AnyChannel, Channel};
use embassy_rp::gpio::Pin;
use embassy_rp::peripherals::PIO0;
use embassy_rp::pio::{FifoJoin, Pio, PioStateMachine, PioStateMachineInstance, ShiftDirection};
use embassy_rp::pio::{FifoJoin, Pio, PioPin, PioStateMachine, PioStateMachineInstance, ShiftDirection};
use embassy_rp::pwm::{Config, Pwm};
use embassy_rp::relocate::RelocatedProgram;
use embassy_rp::{into_ref, Peripheral, PeripheralRef};
@ -74,13 +73,13 @@ impl<'l> HD44780<'l> {
pub async fn new(
pio: impl Peripheral<P = PIO0> + 'l,
dma: impl Peripheral<P = impl Channel> + 'l,
rs: impl Pin,
rw: impl Pin,
e: impl Pin,
db4: impl Pin,
db5: impl Pin,
db6: impl Pin,
db7: impl Pin,
rs: impl PioPin,
rw: impl PioPin,
e: impl PioPin,
db4: impl PioPin,
db5: impl PioPin,
db6: impl PioPin,
db7: impl PioPin,
) -> HD44780<'l> {
into_ref!(dma);