diff options
| author | huntc <[email protected]> | 2022-01-28 13:38:20 +1100 |
|---|---|---|
| committer | huntc <[email protected]> | 2022-01-28 13:38:20 +1100 |
| commit | 12ce02457438c1dd1566f3f3c43537ae4f54f699 (patch) | |
| tree | 1631a972fe5de3f2e2850c6302abaea596101f7c /examples/nrf | |
| parent | 47aeab152fff59e64d8244475dfbec338e6f98e5 (diff) | |
Make the sequence a little nicer to pass around
Diffstat (limited to 'examples/nrf')
| -rw-r--r-- | examples/nrf/src/bin/pwm_sequence.rs | 18 | ||||
| -rw-r--r-- | examples/nrf/src/bin/pwm_sequence_ppi.rs | 10 | ||||
| -rw-r--r-- | examples/nrf/src/bin/pwm_sequence_ws2812b.rs | 22 |
3 files changed, 23 insertions, 27 deletions
diff --git a/examples/nrf/src/bin/pwm_sequence.rs b/examples/nrf/src/bin/pwm_sequence.rs index 2dcbc7475..78787d531 100644 --- a/examples/nrf/src/bin/pwm_sequence.rs +++ b/examples/nrf/src/bin/pwm_sequence.rs | |||
| @@ -8,13 +8,13 @@ use defmt::*; | |||
| 8 | use embassy::executor::Spawner; | 8 | use embassy::executor::Spawner; |
| 9 | use embassy::time::{Duration, Timer}; | 9 | use embassy::time::{Duration, Timer}; |
| 10 | use embassy_nrf::gpio::NoPin; | 10 | use embassy_nrf::gpio::NoPin; |
| 11 | use embassy_nrf::pwm::{Config, Prescaler, SequenceMode, SequencePwm}; | 11 | use embassy_nrf::pwm::{Config, Prescaler, Sequence, SequenceConfig, SequenceMode, SequencePwm}; |
| 12 | use embassy_nrf::Peripherals; | 12 | use embassy_nrf::Peripherals; |
| 13 | 13 | ||
| 14 | #[embassy::main] | 14 | #[embassy::main] |
| 15 | async fn main(_spawner: Spawner, p: Peripherals) { | 15 | async fn main(_spawner: Spawner, p: Peripherals) { |
| 16 | let seq_values_1: [u16; 5] = [1000, 250, 100, 50, 0]; | 16 | let seq_words_1: [u16; 5] = [1000, 250, 100, 50, 0]; |
| 17 | let seq_values_2: [u16; 5] = [0, 50, 100, 250, 1000]; | 17 | let seq_words_2: [u16; 5] = [0, 50, 100, 250, 1000]; |
| 18 | 18 | ||
| 19 | let mut config = Config::default(); | 19 | let mut config = Config::default(); |
| 20 | config.prescaler = Prescaler::Div128; | 20 | config.prescaler = Prescaler::Div128; |
| @@ -22,7 +22,7 @@ async fn main(_spawner: Spawner, p: Peripherals) { | |||
| 22 | // but say we want to hold the value for 5000ms | 22 | // but say we want to hold the value for 5000ms |
| 23 | // so we want to repeat our value as many times as necessary until 5000ms passes | 23 | // so we want to repeat our value as many times as necessary until 5000ms passes |
| 24 | // want 5000/8 = 625 periods total to occur, so 624 (we get the one period for free remember) | 24 | // want 5000/8 = 625 periods total to occur, so 624 (we get the one period for free remember) |
| 25 | let mut seq_config = Config::default(); | 25 | let mut seq_config = SequenceConfig::default(); |
| 26 | seq_config.refresh = 624; | 26 | seq_config.refresh = 624; |
| 27 | // thus our sequence takes 5 * 5000ms or 25 seconds | 27 | // thus our sequence takes 5 * 5000ms or 25 seconds |
| 28 | 28 | ||
| @@ -30,11 +30,9 @@ async fn main(_spawner: Spawner, p: Peripherals) { | |||
| 30 | p.PWM0, p.P0_13, NoPin, NoPin, NoPin, config, | 30 | p.PWM0, p.P0_13, NoPin, NoPin, NoPin, config, |
| 31 | )); | 31 | )); |
| 32 | let _ = pwm.start( | 32 | let _ = pwm.start( |
| 33 | &seq_values_1, | 33 | Sequence::new(&seq_words_1, seq_config.clone()), |
| 34 | seq_config, | ||
| 35 | None, | 34 | None, |
| 36 | None, | 35 | SequenceMode::Infinite, |
| 37 | SeqSequenceMode::Infinite, | ||
| 38 | ); | 36 | ); |
| 39 | 37 | ||
| 40 | info!("pwm started!"); | 38 | info!("pwm started!"); |
| @@ -43,9 +41,7 @@ async fn main(_spawner: Spawner, p: Peripherals) { | |||
| 43 | info!("pwm starting with another sequence!"); | 41 | info!("pwm starting with another sequence!"); |
| 44 | 42 | ||
| 45 | let _ = pwm.start( | 43 | let _ = pwm.start( |
| 46 | &seq_values_2, | 44 | Sequence::new(&seq_words_2, seq_config), |
| 47 | seq_config, | ||
| 48 | None, | ||
| 49 | None, | 45 | None, |
| 50 | SequenceMode::Infinite, | 46 | SequenceMode::Infinite, |
| 51 | ); | 47 | ); |
diff --git a/examples/nrf/src/bin/pwm_sequence_ppi.rs b/examples/nrf/src/bin/pwm_sequence_ppi.rs index 9523671a4..c80820f84 100644 --- a/examples/nrf/src/bin/pwm_sequence_ppi.rs +++ b/examples/nrf/src/bin/pwm_sequence_ppi.rs | |||
| @@ -11,12 +11,12 @@ use embassy::executor::Spawner; | |||
| 11 | use embassy_nrf::gpio::{Input, NoPin, Pull}; | 11 | use embassy_nrf::gpio::{Input, NoPin, Pull}; |
| 12 | use embassy_nrf::gpiote::{InputChannel, InputChannelPolarity}; | 12 | use embassy_nrf::gpiote::{InputChannel, InputChannelPolarity}; |
| 13 | use embassy_nrf::ppi::Ppi; | 13 | use embassy_nrf::ppi::Ppi; |
| 14 | use embassy_nrf::pwm::{Config, Prescaler, SequenceConfig, SequenceMode, SequencePwm}; | 14 | use embassy_nrf::pwm::{Config, Prescaler, Sequence, SequenceConfig, SequenceMode, SequencePwm}; |
| 15 | use embassy_nrf::Peripherals; | 15 | use embassy_nrf::Peripherals; |
| 16 | 16 | ||
| 17 | #[embassy::main] | 17 | #[embassy::main] |
| 18 | async fn main(_spawner: Spawner, p: Peripherals) { | 18 | async fn main(_spawner: Spawner, p: Peripherals) { |
| 19 | let seq_values: [u16; 5] = [1000, 250, 100, 50, 0]; | 19 | let seq_words: [u16; 5] = [1000, 250, 100, 50, 0]; |
| 20 | 20 | ||
| 21 | let mut config = Config::default(); | 21 | let mut config = Config::default(); |
| 22 | config.prescaler = Prescaler::Div128; | 22 | config.prescaler = Prescaler::Div128; |
| @@ -31,7 +31,11 @@ async fn main(_spawner: Spawner, p: Peripherals) { | |||
| 31 | p.PWM0, p.P0_13, NoPin, NoPin, NoPin, config, | 31 | p.PWM0, p.P0_13, NoPin, NoPin, NoPin, config, |
| 32 | )); | 32 | )); |
| 33 | 33 | ||
| 34 | let _ = pwm.start(&seq_values, seq_config, None, None, SequenceMode::Infinite); | 34 | let _ = pwm.start( |
| 35 | Sequence::new(&seq_words, seq_config), | ||
| 36 | None, | ||
| 37 | SequenceMode::Infinite, | ||
| 38 | ); | ||
| 35 | // pwm.stop() deconfigures pins, and then the task_start_seq0 task cant work | 39 | // pwm.stop() deconfigures pins, and then the task_start_seq0 task cant work |
| 36 | // so its going to have to start running in order load the configuration | 40 | // so its going to have to start running in order load the configuration |
| 37 | 41 | ||
diff --git a/examples/nrf/src/bin/pwm_sequence_ws2812b.rs b/examples/nrf/src/bin/pwm_sequence_ws2812b.rs index 01afd043b..2fb37015d 100644 --- a/examples/nrf/src/bin/pwm_sequence_ws2812b.rs +++ b/examples/nrf/src/bin/pwm_sequence_ws2812b.rs | |||
| @@ -9,7 +9,7 @@ use embassy::executor::Spawner; | |||
| 9 | use embassy::time::{Duration, Timer}; | 9 | use embassy::time::{Duration, Timer}; |
| 10 | use embassy_nrf::gpio::NoPin; | 10 | use embassy_nrf::gpio::NoPin; |
| 11 | use embassy_nrf::pwm::{ | 11 | use embassy_nrf::pwm::{ |
| 12 | Config, Prescaler, SequenceConfig, SequenceLoad, SequenceMode, SequencePwm, | 12 | Config, Prescaler, Sequence, SequenceConfig, SequenceLoad, SequenceMode, SequencePwm, |
| 13 | }; | 13 | }; |
| 14 | use embassy_nrf::Peripherals; | 14 | use embassy_nrf::Peripherals; |
| 15 | 15 | ||
| @@ -29,12 +29,17 @@ const RES: u16 = 0x8000; | |||
| 29 | #[embassy::main] | 29 | #[embassy::main] |
| 30 | async fn main(_spawner: Spawner, p: Peripherals) { | 30 | async fn main(_spawner: Spawner, p: Peripherals) { |
| 31 | // Declare the bits of 24 bits | 31 | // Declare the bits of 24 bits |
| 32 | let mut blue_seq: [u16; 8 * 3] = [ | 32 | let blue_seq_words = [ |
| 33 | T0H, T0H, T0H, T0H, T0H, T0H, T0H, T0H, // G | 33 | T0H, T0H, T0H, T0H, T0H, T0H, T0H, T0H, // G |
| 34 | T0H, T0H, T0H, T0H, T0H, T0H, T0H, T0H, // R | 34 | T0H, T0H, T0H, T0H, T0H, T0H, T0H, T0H, // R |
| 35 | T1H, T1H, T1H, T1H, T1H, T1H, T1H, T1H, // B | 35 | T1H, T1H, T1H, T1H, T1H, T1H, T1H, T1H, // B |
| 36 | ]; | 36 | ]; |
| 37 | let reset_seq = [RES; 1]; | 37 | let blue_seq = Sequence::new(&blue_seq_words, SequenceConfig::default()); |
| 38 | |||
| 39 | let reset_seq_words = [RES; 1]; | ||
| 40 | let mut reset_seq_config = SequenceConfig::default(); | ||
| 41 | reset_seq_config.end_delay = 799; // 50us (20 ticks * 40) - 1 tick because we've already got one RES; | ||
| 42 | let reset_seq = Sequence::new(&reset_seq_words, reset_seq_config); | ||
| 38 | 43 | ||
| 39 | let mut config = Config::default(); | 44 | let mut config = Config::default(); |
| 40 | config.sequence_load = SequenceLoad::Common; | 45 | config.sequence_load = SequenceLoad::Common; |
| @@ -44,16 +49,7 @@ async fn main(_spawner: Spawner, p: Peripherals) { | |||
| 44 | p.PWM0, p.P1_05, NoPin, NoPin, NoPin, config, | 49 | p.PWM0, p.P1_05, NoPin, NoPin, NoPin, config, |
| 45 | )); | 50 | )); |
| 46 | 51 | ||
| 47 | let blue_seq_config = SequenceConfig::default(); | 52 | unwrap!(pwm.start(blue_seq, Some(reset_seq), SequenceMode::Times(2))); |
| 48 | let mut reset_seq_config = SequenceConfig::default(); | ||
| 49 | reset_seq_config.end_delay = 799; // 50us (20 ticks * 40) - 1 tick because we've already got one RES | ||
| 50 | unwrap!(pwm.start( | ||
| 51 | &blue_seq, | ||
| 52 | blue_seq_config, | ||
| 53 | Some(&reset_seq), | ||
| 54 | Some(reset_seq_config), | ||
| 55 | SequenceMode::Times(2) | ||
| 56 | )); | ||
| 57 | 53 | ||
| 58 | Timer::after(Duration::from_millis(20000)).await; | 54 | Timer::after(Duration::from_millis(20000)).await; |
| 59 | info!("Program stopped"); | 55 | info!("Program stopped"); |
