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Generate sev in sio.fifo.write()

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9names 2021-12-03 22:48:24 +11:00
parent 92f7c68d57
commit 6ab9cd7ed3
1 changed files with 3 additions and 0 deletions
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3
rp2040-hal/src/sio.rs
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@ -109,6 +109,9 @@ impl SioFifo {
pub fn write(&mut self, value: u32) {
let sio = unsafe { &(*pac::SIO::ptr()) };
sio.fifo_wr.write(|w| unsafe { w.bits(value) });
// Fire off an event to the other core.
// This is required as the other core may be `wfe` (waiting for event)
cortex_m::asm::sev();
}
/// Read from the inter-core FIFO.