diff options
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/rp/src/bin/pio_async.rs | 20 | ||||
| -rw-r--r-- | examples/rp/src/bin/ws2812-pio.rs | 11 |
2 files changed, 19 insertions, 12 deletions
diff --git a/examples/rp/src/bin/pio_async.rs b/examples/rp/src/bin/pio_async.rs index e616d8c5a..3cfeec71f 100644 --- a/examples/rp/src/bin/pio_async.rs +++ b/examples/rp/src/bin/pio_async.rs | |||
| @@ -4,13 +4,15 @@ | |||
| 4 | use defmt::info; | 4 | use defmt::info; |
| 5 | use embassy_executor::Spawner; | 5 | use embassy_executor::Spawner; |
| 6 | use embassy_rp::gpio::{AnyPin, Pin}; | 6 | use embassy_rp::gpio::{AnyPin, Pin}; |
| 7 | use embassy_rp::pio::{Pio0, PioPeripheral, PioStateMachine, PioStateMachineInstance, ShiftDirection, Sm0, Sm1, Sm2}; | 7 | use embassy_rp::pio::{ |
| 8 | Pio0, PioCommon, PioCommonInstance, PioPeripheral, PioStateMachine, PioStateMachineInstance, ShiftDirection, Sm0, | ||
| 9 | Sm1, Sm2, | ||
| 10 | }; | ||
| 8 | use embassy_rp::pio_instr_util; | 11 | use embassy_rp::pio_instr_util; |
| 9 | use embassy_rp::relocate::RelocatedProgram; | 12 | use embassy_rp::relocate::RelocatedProgram; |
| 10 | use {defmt_rtt as _, panic_probe as _}; | 13 | use {defmt_rtt as _, panic_probe as _}; |
| 11 | 14 | ||
| 12 | #[embassy_executor::task] | 15 | fn setup_pio_task_sm0(pio: &mut PioCommonInstance<Pio0>, sm: &mut PioStateMachineInstance<Pio0, Sm0>, pin: AnyPin) { |
| 13 | async fn pio_task_sm0(mut sm: PioStateMachineInstance<Pio0, Sm0>, pin: AnyPin) { | ||
| 14 | // Setup sm0 | 16 | // Setup sm0 |
| 15 | 17 | ||
| 16 | // Send data serially to pin | 18 | // Send data serially to pin |
| @@ -23,11 +25,11 @@ async fn pio_task_sm0(mut sm: PioStateMachineInstance<Pio0, Sm0>, pin: AnyPin) { | |||
| 23 | ); | 25 | ); |
| 24 | 26 | ||
| 25 | let relocated = RelocatedProgram::new(&prg.program); | 27 | let relocated = RelocatedProgram::new(&prg.program); |
| 26 | let out_pin = sm.make_pio_pin(pin); | 28 | let out_pin = pio.make_pio_pin(pin); |
| 27 | let pio_pins = [&out_pin]; | 29 | let pio_pins = [&out_pin]; |
| 28 | sm.set_out_pins(&pio_pins); | 30 | sm.set_out_pins(&pio_pins); |
| 29 | sm.write_instr(relocated.origin() as usize, relocated.code()); | 31 | sm.write_instr(relocated.origin() as usize, relocated.code()); |
| 30 | pio_instr_util::exec_jmp(&mut sm, relocated.origin()); | 32 | pio_instr_util::exec_jmp(sm, relocated.origin()); |
| 31 | sm.set_clkdiv((125e6 / 20.0 / 2e2 * 256.0) as u32); | 33 | sm.set_clkdiv((125e6 / 20.0 / 2e2 * 256.0) as u32); |
| 32 | sm.set_set_range(0, 1); | 34 | sm.set_set_range(0, 1); |
| 33 | let pio::Wrap { source, target } = relocated.wrap(); | 35 | let pio::Wrap { source, target } = relocated.wrap(); |
| @@ -35,7 +37,10 @@ async fn pio_task_sm0(mut sm: PioStateMachineInstance<Pio0, Sm0>, pin: AnyPin) { | |||
| 35 | 37 | ||
| 36 | sm.set_autopull(true); | 38 | sm.set_autopull(true); |
| 37 | sm.set_out_shift_dir(ShiftDirection::Left); | 39 | sm.set_out_shift_dir(ShiftDirection::Left); |
| 40 | } | ||
| 38 | 41 | ||
| 42 | #[embassy_executor::task] | ||
| 43 | async fn pio_task_sm0(mut sm: PioStateMachineInstance<Pio0, Sm0>) { | ||
| 39 | sm.set_enable(true); | 44 | sm.set_enable(true); |
| 40 | 45 | ||
| 41 | let mut v = 0x0f0caffa; | 46 | let mut v = 0x0f0caffa; |
| @@ -104,9 +109,10 @@ async fn main(spawner: Spawner) { | |||
| 104 | let p = embassy_rp::init(Default::default()); | 109 | let p = embassy_rp::init(Default::default()); |
| 105 | let pio = p.PIO0; | 110 | let pio = p.PIO0; |
| 106 | 111 | ||
| 107 | let (_, sm0, sm1, sm2, ..) = pio.split(); | 112 | let (mut pio0, mut sm0, sm1, sm2, ..) = pio.split(); |
| 108 | 113 | ||
| 109 | spawner.spawn(pio_task_sm0(sm0, p.PIN_0.degrade())).unwrap(); | 114 | setup_pio_task_sm0(&mut pio0, &mut sm0, p.PIN_0.degrade()); |
| 115 | spawner.spawn(pio_task_sm0(sm0)).unwrap(); | ||
| 110 | spawner.spawn(pio_task_sm1(sm1)).unwrap(); | 116 | spawner.spawn(pio_task_sm1(sm1)).unwrap(); |
| 111 | spawner.spawn(pio_task_sm2(sm2)).unwrap(); | 117 | spawner.spawn(pio_task_sm2(sm2)).unwrap(); |
| 112 | } | 118 | } |
diff --git a/examples/rp/src/bin/ws2812-pio.rs b/examples/rp/src/bin/ws2812-pio.rs index 5f8a3baee..211c60c49 100644 --- a/examples/rp/src/bin/ws2812-pio.rs +++ b/examples/rp/src/bin/ws2812-pio.rs | |||
| @@ -6,7 +6,8 @@ use defmt::*; | |||
| 6 | use embassy_executor::Spawner; | 6 | use embassy_executor::Spawner; |
| 7 | use embassy_rp::gpio::{self, Pin}; | 7 | use embassy_rp::gpio::{self, Pin}; |
| 8 | use embassy_rp::pio::{ | 8 | use embassy_rp::pio::{ |
| 9 | FifoJoin, PioInstance, PioPeripheral, PioStateMachine, PioStateMachineInstance, ShiftDirection, SmInstance, | 9 | FifoJoin, PioCommon, PioCommonInstance, PioInstance, PioPeripheral, PioStateMachine, PioStateMachineInstance, |
| 10 | ShiftDirection, SmInstance, | ||
| 10 | }; | 11 | }; |
| 11 | use embassy_rp::pio_instr_util; | 12 | use embassy_rp::pio_instr_util; |
| 12 | use embassy_rp::relocate::RelocatedProgram; | 13 | use embassy_rp::relocate::RelocatedProgram; |
| @@ -18,7 +19,7 @@ pub struct Ws2812<P: PioInstance, S: SmInstance> { | |||
| 18 | } | 19 | } |
| 19 | 20 | ||
| 20 | impl<P: PioInstance, S: SmInstance> Ws2812<P, S> { | 21 | impl<P: PioInstance, S: SmInstance> Ws2812<P, S> { |
| 21 | pub fn new(mut sm: PioStateMachineInstance<P, S>, pin: gpio::AnyPin) -> Self { | 22 | pub fn new(pio: PioCommonInstance<P>, mut sm: PioStateMachineInstance<P, S>, pin: gpio::AnyPin) -> Self { |
| 22 | // Setup sm0 | 23 | // Setup sm0 |
| 23 | 24 | ||
| 24 | // prepare the PIO program | 25 | // prepare the PIO program |
| @@ -53,7 +54,7 @@ impl<P: PioInstance, S: SmInstance> Ws2812<P, S> { | |||
| 53 | pio_instr_util::exec_jmp(&mut sm, relocated.origin()); | 54 | pio_instr_util::exec_jmp(&mut sm, relocated.origin()); |
| 54 | 55 | ||
| 55 | // Pin config | 56 | // Pin config |
| 56 | let out_pin = sm.make_pio_pin(pin); | 57 | let out_pin = pio.make_pio_pin(pin); |
| 57 | sm.set_set_pins(&[&out_pin]); | 58 | sm.set_set_pins(&[&out_pin]); |
| 58 | sm.set_sideset_base_pin(&out_pin); | 59 | sm.set_sideset_base_pin(&out_pin); |
| 59 | sm.set_sideset_count(1); | 60 | sm.set_sideset_count(1); |
| @@ -115,7 +116,7 @@ async fn main(_spawner: Spawner) { | |||
| 115 | info!("Start"); | 116 | info!("Start"); |
| 116 | let p = embassy_rp::init(Default::default()); | 117 | let p = embassy_rp::init(Default::default()); |
| 117 | 118 | ||
| 118 | let (_pio0, sm0, _sm1, _sm2, _sm3) = p.PIO0.split(); | 119 | let (pio0, sm0, _sm1, _sm2, _sm3) = p.PIO0.split(); |
| 119 | 120 | ||
| 120 | // This is the number of leds in the string. Helpfully, the sparkfun thing plus and adafruit | 121 | // This is the number of leds in the string. Helpfully, the sparkfun thing plus and adafruit |
| 121 | // feather boards for the 2040 both have one built in. | 122 | // feather boards for the 2040 both have one built in. |
| @@ -124,7 +125,7 @@ async fn main(_spawner: Spawner) { | |||
| 124 | 125 | ||
| 125 | // For the thing plus, use pin 8 | 126 | // For the thing plus, use pin 8 |
| 126 | // For the feather, use pin 16 | 127 | // For the feather, use pin 16 |
| 127 | let mut ws2812 = Ws2812::new(sm0, p.PIN_8.degrade()); | 128 | let mut ws2812 = Ws2812::new(pio0, sm0, p.PIN_8.degrade()); |
| 128 | 129 | ||
| 129 | // Loop forever making RGB values and pushing them out to the WS2812. | 130 | // Loop forever making RGB values and pushing them out to the WS2812. |
| 130 | loop { | 131 | loop { |
