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rp/bootsel: change it to a method on the peripheral.

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This commit is contained in:
Dario Nieuwenhuis 2023-10-07 01:46:57 +02:00
parent 3e054a6f0d
commit d4ed8e5779
2 changed files with 12 additions and 9 deletions
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4
embassy-rp/src/bootsel.rs
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@ -9,11 +9,12 @@
use crate::flash::in_ram; use crate::flash::in_ram;
impl crate::peripherals::BOOTSEL {
/// Polls the BOOTSEL button. Returns true if the button is pressed. /// Polls the BOOTSEL button. Returns true if the button is pressed.
/// ///
/// Polling isn't cheap, as this function waits for core 1 to finish it's current /// Polling isn't cheap, as this function waits for core 1 to finish it's current
/// task and for any DMAs from flash to complete /// task and for any DMAs from flash to complete
pub fn poll_bootsel() -> bool { pub fn is_pressed(&mut self) -> bool {
let mut cs_status = Default::default(); let mut cs_status = Default::default();
unsafe { in_ram(|| cs_status = ram_helpers::read_cs_status()) }.expect("Must be called from Core 0"); unsafe { in_ram(|| cs_status = ram_helpers::read_cs_status()) }.expect("Must be called from Core 0");
@ -21,6 +22,7 @@ pub fn poll_bootsel() -> bool {
// bootsel is active low, so invert // bootsel is active low, so invert
!cs_status.infrompad() !cs_status.infrompad()
} }
}
mod ram_helpers { mod ram_helpers {
use rp_pac::io::regs::GpioStatus; use rp_pac::io::regs::GpioStatus;

1
embassy-rp/src/lib.rs
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@ -194,6 +194,7 @@ embassy_hal_internal::peripherals! {
PIO1, PIO1,
WATCHDOG, WATCHDOG,
BOOTSEL,
} }
macro_rules! select_bootloader { macro_rules! select_bootloader {