embassy/embassy-rp/src/pio_instr_util.rs
2022-12-09 20:18:41 +01:00

90 lines
2.2 KiB
Rust

use pio::{InSource, InstructionOperands, JmpCondition, OutDestination, SetDestination};
use crate::pio::PioStateMachine;
pub fn set_x<SM: PioStateMachine>(sm: &mut SM, value: u32) {
const OUT: u16 = InstructionOperands::OUT {
destination: OutDestination::X,
bit_count: 32,
}
.encode();
sm.push_tx(value);
sm.exec_instr(OUT);
}
pub fn get_x<SM: PioStateMachine>(sm: &mut SM) -> u32 {
const IN: u16 = InstructionOperands::IN {
source: InSource::X,
bit_count: 32,
}
.encode();
sm.exec_instr(IN);
sm.pull_rx()
}
pub fn set_y<SM: PioStateMachine>(sm: &mut SM, value: u32) {
const OUT: u16 = InstructionOperands::OUT {
destination: OutDestination::Y,
bit_count: 32,
}
.encode();
sm.push_tx(value);
sm.exec_instr(OUT);
}
pub fn get_y<SM: PioStateMachine>(sm: &mut SM) -> u32 {
const IN: u16 = InstructionOperands::IN {
source: InSource::Y,
bit_count: 32,
}
.encode();
sm.exec_instr(IN);
sm.pull_rx()
}
pub fn set_pindir<SM: PioStateMachine>(sm: &mut SM, data: u8) {
let set: u16 = InstructionOperands::SET {
destination: SetDestination::PINDIRS,
data,
}
.encode();
sm.exec_instr(set);
}
pub fn set_pin<SM: PioStateMachine>(sm: &mut SM, data: u8) {
let set: u16 = InstructionOperands::SET {
destination: SetDestination::PINS,
data,
}
.encode();
sm.exec_instr(set);
}
pub fn set_out_pin<SM: PioStateMachine>(sm: &mut SM, data: u32) {
const OUT: u16 = InstructionOperands::OUT {
destination: OutDestination::PINS,
bit_count: 32,
}
.encode();
sm.push_tx(data);
sm.exec_instr(OUT);
}
pub fn set_out_pindir<SM: PioStateMachine>(sm: &mut SM, data: u32) {
const OUT: u16 = InstructionOperands::OUT {
destination: OutDestination::PINDIRS,
bit_count: 32,
}
.encode();
sm.push_tx(data);
sm.exec_instr(OUT);
}
pub fn exec_jmp<SM: PioStateMachine>(sm: &mut SM, to_addr: u8) {
let jmp: u16 = InstructionOperands::JMP {
address: to_addr,
condition: JmpCondition::Always,
}
.encode();
sm.exec_instr(jmp);
}