Re-implement sleep/wakeup for touch panel, display, NOR Flash, SPI and TWI.

2 files changed, 16 insertions, 1 deletions

diff --git a/src/SystemTask/SystemTask.cpp b/src/SystemTask/SystemTask.cpp
index 1ee8e918..b515d1ab 100644
--- a/src/SystemTask/SystemTask.cpp
+++ b/src/SystemTask/SystemTask.cpp
@@ -145,6 +145,14 @@ void SystemTask::Work() {
         case Messages::OnButtonEvent:
           ReloadIdleTimer();
           break;
+        case Messages::OnDisplayTaskSleeping:
+          spiNorFlash.Sleep();
+          lcd.Sleep();
+          touchPanel.Sleep();
+
+          spi.Sleep();
+          twiMaster.Sleep();
+          break;
         default: break;
       }
     }
@@ -185,6 +193,13 @@ void SystemTask::OnButtonPushed() {
 
 void SystemTask::GoToRunning() {
   PushMessage(Messages::GoToRunning);
+  spi.Wakeup();
+  twiMaster.Wakeup();
+
+  spiNorFlash.Wakeup();
+  lcd.Wakeup();
+  touchPanel.Wakeup();
+
   displayApp->PushMessage(Applications::DisplayApp::Messages::GoToRunning);
   displayApp->PushMessage(Applications::DisplayApp::Messages::UpdateBatteryLevel);
 }
diff --git a/src/SystemTask/SystemTask.h b/src/SystemTask/SystemTask.h
index 3e53baed..3812ea91 100644
--- a/src/SystemTask/SystemTask.h
+++ b/src/SystemTask/SystemTask.h
@@ -18,7 +18,7 @@ namespace Pinetime {
     class SystemTask {
       public:
         enum class Messages {GoToSleep, GoToRunning, OnNewTime, OnNewNotification, BleConnected,
-            BleFirmwareUpdateStarted, BleFirmwareUpdateFinished, OnTouchEvent, OnButtonEvent
+            BleFirmwareUpdateStarted, BleFirmwareUpdateFinished, OnTouchEvent, OnButtonEvent, OnDisplayTaskSleeping
         };
 
         SystemTask(Drivers::SpiMaster &spi, Drivers::St7789 &lcd,