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Merge pull request #761 from andrewdavidmackenzie/pigg_625
Pigg 625
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,49 @@ | ||
| use crate::hw_definition::config::HardwareConfigMessage::IOLevelChanged; | ||
| use crate::hw_definition::config::LevelChange; | ||
| use crate::hw_definition::BCMPinNumber; | ||
| use crate::HARDWARE_EVENT_CHANNEL; | ||
| use defmt::info; | ||
| use embassy_futures::select::{select, Either}; | ||
| use embassy_rp::gpio::{Flex, Level}; | ||
| use embassy_sync::blocking_mutex::raw::ThreadModeRawMutex; | ||
| use embassy_sync::channel::{Receiver, Sender}; | ||
| use embassy_time::Instant; | ||
|
|
||
| /// Wait until a level change on an input occurs and then send it via TCP to GUI | ||
| #[embassy_executor::task(pool_size = 32)] | ||
| pub async fn monitor_input( | ||
| bcm_pin_number: BCMPinNumber, | ||
| signaller: Receiver<'static, ThreadModeRawMutex, bool, 1>, | ||
| returner: Sender<'static, ThreadModeRawMutex, Flex<'static>, 1>, | ||
| mut flex: Flex<'static>, | ||
| ) { | ||
| let mut level = flex.get_level(); | ||
| send_input_level(bcm_pin_number, level).await; | ||
|
|
||
| loop { | ||
| match select(flex.wait_for_any_edge(), signaller.receive()).await { | ||
| Either::First(()) => { | ||
| let new_level = flex.get_level(); | ||
| if new_level != level { | ||
| send_input_level(bcm_pin_number, flex.get_level()).await; | ||
| level = new_level; | ||
| } | ||
| } | ||
| Either::Second(_) => { | ||
| info!("Monitor returning Pin"); | ||
| let _ = returner.send(flex).await; | ||
| break; | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| /// Send a detected input level change back to the GUI, timestamping with the Duration since boot | ||
| async fn send_input_level(bcm: BCMPinNumber, level: Level) { | ||
| let level_change = LevelChange::new( | ||
| level == Level::High, | ||
| Instant::now().duration_since(Instant::MIN).into(), | ||
| ); | ||
| let hardware_event = IOLevelChanged(bcm, level_change); | ||
| HARDWARE_EVENT_CHANNEL.sender().send(hardware_event).await; | ||
| } |
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