Emit event on power-present toggle (#320)

* Emit event on power-present toggle

* clang-format on changes

* also update battery status on any event

* update comments; remove double battery update

* Fix formatting

* Vibrate shortly on charging event

* debounce charge event

1 files changed, 15 insertions, 0 deletions

diff --git a/src/main.cpp b/src/main.cpp
index 04cef6b..61194b9 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -101,11 +101,13 @@ Pinetime::Drivers::Bma421 motionSensor {twiMaster, motionSensorTwiAddress};
 Pinetime::Drivers::Hrs3300 heartRateSensor {twiMaster, heartRateSensorTwiAddress};
 
 TimerHandle_t debounceTimer;
+TimerHandle_t debounceChargeTimer;
 Pinetime::Controllers::Battery batteryController;
 Pinetime::Controllers::Ble bleController;
 void ble_manager_set_ble_connection_callback(void (*connection)());
 void ble_manager_set_ble_disconnection_callback(void (*disconnection)());
 static constexpr uint8_t pinTouchIrq = 28;
+static constexpr uint8_t pinPowerPresentIrq = 19;
 std::unique_ptr<Pinetime::System::SystemTask> systemTask;
 
 Pinetime::Controllers::Settings settingsController {spiNorFlash};
@@ -119,6 +121,13 @@ void nrfx_gpiote_evt_handler(nrfx_gpiote_pin_t pin, nrf_gpiote_polarity_t action
   }
 
   BaseType_t xHigherPriorityTaskWoken = pdFALSE;
+
+  if (pin == pinPowerPresentIrq and action == NRF_GPIOTE_POLARITY_TOGGLE) {
+    xTimerStartFromISR(debounceChargeTimer, &xHigherPriorityTaskWoken);
+    portYIELD_FROM_ISR(xHigherPriorityTaskWoken);
+    return;
+  }
+
   xTimerStartFromISR(debounceTimer, &xHigherPriorityTaskWoken);
   portYIELD_FROM_ISR(xHigherPriorityTaskWoken);
 }
@@ -130,6 +139,11 @@ void vApplicationIdleHook(void) {
 }
 }
 
+void DebounceTimerChargeCallback(TimerHandle_t xTimer) {
+  xTimerStop(xTimer, 0);
+  systemTask->PushMessage(Pinetime::System::SystemTask::Messages::OnChargingEvent);
+}
+
 void DebounceTimerCallback(TimerHandle_t xTimer) {
   xTimerStop(xTimer, 0);
   systemTask->OnButtonPushed();
@@ -248,6 +262,7 @@ int main(void) {
   nrf_drv_clock_init();
 
   debounceTimer = xTimerCreate("debounceTimer", 200, pdFALSE, (void*) 0, DebounceTimerCallback);
+  debounceChargeTimer = xTimerCreate("debounceTimerCharge", 200, pdFALSE, (void*) 0, DebounceTimerChargeCallback);
 
   systemTask = std::make_unique<Pinetime::System::SystemTask>(spi,
                                                               lcd,