diff options
Diffstat (limited to 'examples/nrf54l15/src/bin/wdt.rs')
| -rw-r--r-- | examples/nrf54l15/src/bin/wdt.rs | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/examples/nrf54l15/src/bin/wdt.rs b/examples/nrf54l15/src/bin/wdt.rs new file mode 100644 index 000000000..28856dad4 --- /dev/null +++ b/examples/nrf54l15/src/bin/wdt.rs | |||
| @@ -0,0 +1,41 @@ | |||
| 1 | #![no_std] | ||
| 2 | #![no_main] | ||
| 3 | |||
| 4 | use defmt::*; | ||
| 5 | use embassy_executor::Spawner; | ||
| 6 | use embassy_nrf::wdt::{Config, HaltConfig, Watchdog}; | ||
| 7 | use embassy_time::Timer; | ||
| 8 | use {defmt_rtt as _, panic_probe as _}; | ||
| 9 | |||
| 10 | #[embassy_executor::main] | ||
| 11 | async fn main(_spawner: Spawner) { | ||
| 12 | let p = embassy_nrf::init(Default::default()); | ||
| 13 | info!("Hello WDT"); | ||
| 14 | |||
| 15 | const TIMEOUT_S: u32 = 5; | ||
| 16 | |||
| 17 | let mut config = Config::default(); | ||
| 18 | config.timeout_ticks = 32768 * TIMEOUT_S; | ||
| 19 | |||
| 20 | // This is needed for `probe-rs run` to be able to catch the panic message | ||
| 21 | // in the WDT interrupt. The core resets 2 ticks after firing the interrupt. | ||
| 22 | config.action_during_debug_halt = HaltConfig::PAUSE; | ||
| 23 | |||
| 24 | // The nrf54l15 has two watchdogs. Only WDT0 is available in non-secure (ns) mode, as WDT1 is | ||
| 25 | // reserved for the secure (s) environment. In secure mode, both WDT0 and WDT1 are available. | ||
| 26 | info!("Watchdog launched with {} s timeout", TIMEOUT_S); | ||
| 27 | let (_wdt, [mut handle]) = match Watchdog::try_new(p.WDT1, config) { | ||
| 28 | Ok(x) => x, | ||
| 29 | Err(_) => { | ||
| 30 | info!("Watchdog already active with wrong config, waiting for it to timeout..."); | ||
| 31 | loop {} | ||
| 32 | } | ||
| 33 | }; | ||
| 34 | |||
| 35 | for wait in 1..=TIMEOUT_S { | ||
| 36 | info!("Waiting {} seconds ...", wait); | ||
| 37 | Timer::after_secs(wait as u64).await; | ||
| 38 | handle.pet(); | ||
| 39 | info!("Pet watchdog"); | ||
| 40 | } | ||
| 41 | } | ||
