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Introduced the SingleSequencer and a more complex Sequencer

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This commit is contained in:
huntc
2022-02-04 19:11:15 +11:00
parent 9e36ede363
commit 965a5f2c3f
5 changed files with 134 additions and 68 deletions
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14
examples/nrf/src/bin/pwm_sequence_ppi.rs
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@ -12,7 +12,7 @@ use embassy_nrf::gpio::{Input, NoPin, Pull};
use embassy_nrf::gpiote::{InputChannel, InputChannelPolarity};
use embassy_nrf::ppi::Ppi;
use embassy_nrf::pwm::{
Config, Prescaler, Sequence, SequenceConfig, SequenceMode, SequencePwm, Sequences,
Config, Prescaler, Sequence, SequenceConfig, SequencePwm, SingleSequenceMode, SingleSequencer,
};
use embassy_nrf::Peripherals;
@ -33,10 +33,6 @@ async fn main(_spawner: Spawner, p: Peripherals) {
p.PWM0, p.P0_13, NoPin, NoPin, NoPin, config,
));
let sequence0 = Sequence::new(&seq_words, seq_config);
let sequences = Sequences::new(&mut pwm, sequence0, None);
unwrap!(sequences.start(SequenceMode::Infinite));
// pwm.stop() deconfigures pins, and then the task_start_seq0 task cant work
// so its going to have to start running in order load the configuration
@ -54,8 +50,12 @@ async fn main(_spawner: Spawner, p: Peripherals) {
// messing with the pwm tasks is ill advised
// Times::Ininite and Times even are seq0, Times odd is seq1
let start = unsafe { sequences.pwm.task_start_seq0() };
let stop = unsafe { sequences.pwm.task_stop() };
let start = unsafe { pwm.task_start_seq0() };
let stop = unsafe { pwm.task_stop() };
let sequence = Sequence::new(&seq_words, seq_config);
let sequencer = SingleSequencer::new(&mut pwm, sequence);
unwrap!(sequencer.start(SingleSequenceMode::Infinite));
let mut ppi = Ppi::new_one_to_one(p.PPI_CH1, button1.event_in(), start);
ppi.enable();