Optimized display power consumption

src/apps/LoRaMac/periodic-uplink-lpp/SKiM980A/main.c

@@ -151,7 +151,7 @@ static TimerEvent_t LedBeaconTimer;
 /*!
  * Timer to handle the state of Display indicator
  */
-static TimerEvent_t DisplayTimer;
+TimerEvent_t DisplayTimer;
 
 static void OnMacProcessNotify( void );
 static void OnNvmDataChange( LmHandlerNvmContextStates_t state, uint16_t size );

src/boards/SKiM980A/board.c

@@ -625,7 +625,7 @@ void SysTick_Handler( void )
 
 uint8_t GetBoardPowerSource( void )
 {
-    return USB_POWER;
+    return BATTERY_POWER;
 }
 
 /**

src/boards/SKiM980A/display-board.c

@@ -41,6 +41,7 @@ uint8_t m_seg_offset = 0;
 volatile uint8_t BlackImage[Imagesize];
 extern PAINT Paint;
 static bool wkup = 0;
+extern TimerEvent_t DisplayTimer;
 /********************************************************************************
 function:   
             reverse a byte data
@@ -57,21 +58,23 @@ void DisplayMcuOnKey1Signal( void* context )
 {
     // Wake up
     if(wkup == 0) {
-        LpmSetStopMode( LPM_DISPLAY_ID , LPM_ENABLE );
+        LpmSetOffMode( LPM_DISPLAY_ID , LPM_ENABLE );
         DisplayOff();
         wkup = 1;
+        TimerStop(&DisplayTimer);
         /*Suspend Tick increment to prevent wakeup by Systick interrupt. 
         Otherwise the Systick interrupt will wake up the device within 1ms (HAL time base)*/
         // HAL_SuspendTick();
 
         // LpmEnterStopMode();
     } else {
-        LpmSetStopMode( LPM_DISPLAY_ID , LPM_DISABLE );
+        LpmSetOffMode( LPM_DISPLAY_ID , LPM_DISABLE );
         wkup = 0;
         /* Resume Tick interrupt if disabled prior to SLEEP mode entry */
         // HAL_ResumeTick();
         DisplayInitReg();
         DisplayOn();
+        TimerStart(&DisplayTimer);
     }
 }