Rework TouchHandler into not a task

src/drivers/TwiMaster.cpp

@@ -12,7 +12,6 @@ TwiMaster::TwiMaster(const Modules module, const Parameters& params) : module {m
 }
 
 void TwiMaster::Init() {
-  sleeping = false;
   if(mutex == nullptr)
     mutex = xSemaphoreCreateBinary();
   
@@ -177,15 +176,12 @@ void TwiMaster::Sleep() {
   nrf_gpio_cfg_default(6);
   nrf_gpio_cfg_default(7);
   NRF_LOG_INFO("[TWIMASTER] Sleep");
-  sleeping = true;
 }
 
 void TwiMaster::Wakeup() {
-  if (sleeping) {
   Init();
   NRF_LOG_INFO("[TWIMASTER] Wakeup");
 }
-}
 
 /* Sometimes, the TWIM device just freeze and never set the event EVENTS_LASTTX.
  * This method disable and re-enable the peripheral so that it works again.

src/drivers/TwiMaster.h

@@ -39,7 +39,6 @@ namespace Pinetime {
       uint8_t internalBuffer[maxDataSize + registerSize];
       uint32_t txStartedCycleCount = 0;
       static constexpr uint32_t HwFreezedDelay {161000};
-      bool sleeping;
     };
   }
 }

src/main.cpp

@@ -166,8 +166,7 @@ Pinetime::System::SystemTask systemTask(spi,
 
 void nrfx_gpiote_evt_handler(nrfx_gpiote_pin_t pin, nrf_gpiote_polarity_t action) {
   if (pin == pinTouchIrq) {
-    twiMaster.Wakeup();
-    touchHandler.WakeUp();
+    systemTask.OnTouchEvent();
     return;
   }
 

src/systemtask/SystemTask.cpp

@@ -150,9 +150,6 @@ void SystemTask::Work() {
   heartRateSensor.Disable();
   heartRateApp.Start();
 
-  touchHandler.Register(this);
-  touchHandler.Start();
-
   nrf_gpio_cfg_sense_input(pinButton, (nrf_gpio_pin_pull_t) GPIO_PIN_CNF_PULL_Pulldown, (nrf_gpio_pin_sense_t) GPIO_PIN_CNF_SENSE_High);
   nrf_gpio_cfg_output(15);
   nrf_gpio_pin_set(15);
@@ -244,6 +241,8 @@ void SystemTask::Work() {
           isDimmed = false;
           break;
         case Messages::TouchWakeUp: {
+          twiMaster.Wakeup();
+          touchHandler.GetNewTouchInfo();
           auto gesture = touchHandler.GestureGet();
           if ((gesture == Pinetime::Drivers::Cst816S::Gestures::DoubleTap &&
                settingsController.isWakeUpModeOn(Pinetime::Controllers::Settings::WakeUpMode::DoubleTap)) ||
@@ -299,6 +298,9 @@ void SystemTask::Work() {
           xTimerStart(dimTimer, 0);
           break;
         case Messages::OnTouchEvent:
+          if (touchHandler.GetNewTouchInfo()) {
+            touchHandler.UpdateLvglTouchPoint();
+          }
           ReloadIdleTimer();
           break;
         case Messages::OnButtonEvent:

src/touchhandler/TouchHandler.cpp

@@ -18,38 +18,37 @@ Pinetime::Drivers::Cst816S::Gestures TouchHandler::GestureGet() {
   return returnGesture;
 }
 
-void TouchHandler::Start() {
-  if (pdPASS != xTaskCreate(TouchHandler::Process, "Touch", 100, this, 0, &taskHandle)) {
-    APP_ERROR_HANDLER(NRF_ERROR_NO_MEM);
-  }
-}
-
-void TouchHandler::Process(void* instance) {
-  auto* app = static_cast<TouchHandler*>(instance);
-  app->Work();
-}
-
-void TouchHandler::Work() {
-  bool slideReleased = true;
-  while (true) {
-    vTaskSuspend(taskHandle);
-
+bool TouchHandler::GetNewTouchInfo() {
   info = touchPanel.GetTouchInfo();
 
-    if (info.isValid) {
+  if (!info.isValid) {
+    return false;
+  }
+
   if (info.gesture != Pinetime::Drivers::Cst816S::Gestures::None) {
     if (slideReleased) {
       if (info.gesture == Pinetime::Drivers::Cst816S::Gestures::SlideDown ||
           info.gesture == Pinetime::Drivers::Cst816S::Gestures::SlideLeft ||
           info.gesture == Pinetime::Drivers::Cst816S::Gestures::SlideUp ||
           info.gesture == Pinetime::Drivers::Cst816S::Gestures::SlideRight) {
+        if (info.touching) {
+          gesture = info.gesture;
           slideReleased = false;
         }
+      } else {
         gesture = info.gesture;
       }
     }
+  }
 
-      if (!systemTask->IsSleeping()) {
+  if (!info.touching) {
+    slideReleased = true;
+  }
+
+  return true;
+}
+
+void TouchHandler::UpdateLvglTouchPoint() {
   if (info.touching) {
     if (!isCancelled) {
       lvgl.SetNewTouchPoint(info.x, info.y, true);
@@ -61,18 +60,5 @@ void TouchHandler::Work() {
     } else {
       lvgl.SetNewTouchPoint(info.x, info.y, false);
     }
-          slideReleased = true;
   }
 }
-      systemTask->OnTouchEvent();
-    }
-  }
-}
-
-void TouchHandler::Register(Pinetime::System::SystemTask* systemTask) {
-  this->systemTask = systemTask;
-}
-
-void TouchHandler::WakeUp() {
-  vTaskResume(taskHandle);
-}

src/touchhandler/TouchHandler.h

@@ -19,9 +19,9 @@ namespace Pinetime {
       public:
         explicit TouchHandler(Drivers::Cst816S&, Components::LittleVgl&);
         void CancelTap();
+        bool GetNewTouchInfo();
+        void UpdateLvglTouchPoint();
         void Register(Pinetime::System::SystemTask* systemTask);
-        void Start();
-        void WakeUp();
 
         bool IsTouching() const {
           return info.touching;
@@ -34,16 +34,13 @@ namespace Pinetime {
         }
         Drivers::Cst816S::Gestures GestureGet();
       private:
-        static void Process(void* instance);
-        void Work();
 
         Pinetime::Drivers::Cst816S::TouchInfos info;
-        Pinetime::System::SystemTask* systemTask = nullptr;
-        TaskHandle_t taskHandle;
         Pinetime::Drivers::Cst816S& touchPanel;
         Pinetime::Components::LittleVgl& lvgl;
         Pinetime::Drivers::Cst816S::Gestures gesture;
         bool isCancelled = false;
+        bool slideReleased = true;
     };
   }
 }