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rp/pio: move instructions to methods of the SM.

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This commit is contained in:
Dario Nieuwenhuis
2025-02-09 23:23:35 +01:00
parent 1780f8479e
commit e3edd671b6
3 changed files with 91 additions and 89 deletions
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18
cyw43-pio/src/lib.rs
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@@ -8,7 +8,7 @@ use core::slice;
use cyw43::SpiBusCyw43;
use embassy_rp::dma::Channel;
use embassy_rp::gpio::{Drive, Level, Output, Pull, SlewRate};
use embassy_rp::pio::{instr, Common, Config, Direction, Instance, Irq, PioPin, ShiftDirection, StateMachine};
use embassy_rp::pio::{Common, Config, Direction, Instance, Irq, PioPin, ShiftDirection, StateMachine};
use embassy_rp::{Peripheral, PeripheralRef};
use fixed::types::extra::U8;
use fixed::FixedU32;
@@ -161,10 +161,10 @@ where
defmt::trace!("write={} read={}", write_bits, read_bits);
unsafe {
instr::set_x(&mut self.sm, write_bits as u32);
instr::set_y(&mut self.sm, read_bits as u32);
instr::set_pindir(&mut self.sm, 0b1);
instr::exec_jmp(&mut self.sm, self.wrap_target);
self.sm.set_x(write_bits as u32);
self.sm.set_y(read_bits as u32);
self.sm.set_pindir(0b1);
self.sm.exec_jmp(self.wrap_target);
}
self.sm.set_enable(true);
@@ -192,10 +192,10 @@ where
defmt::trace!("cmd_read cmd = {:02x} len = {}", cmd, read.len());
unsafe {
instr::set_y(&mut self.sm, read_bits as u32);
instr::set_x(&mut self.sm, write_bits as u32);
instr::set_pindir(&mut self.sm, 0b1);
instr::exec_jmp(&mut self.sm, self.wrap_target);
self.sm.set_y(read_bits as u32);
self.sm.set_x(write_bits as u32);
self.sm.set_pindir(0b1);
self.sm.exec_jmp(self.wrap_target);
}
// self.cs.set_low();