[ion] No led when charging in sleep mode

Change-Id: I8cdea4d435226fbc877e398909926c83642e0e55

apps/usb_timer.cpp

@@ -14,6 +14,7 @@ void USBTimer::fire() {
     if (!m_previousPluggedState && GlobalPreferences::sharedGlobalPreferences()->examMode() == GlobalPreferences::ExamMode::Activate) {
       m_container->displayExamModePopUp(false, true);
     }
+#if LED_WHILE_CHARGING
     KDColor LEDColor = Ion::Battery::isCharging() ? KDColorYellow : KDColorGreen;
     Ion::LED::setColor(LEDColor);
     m_previousPluggedState = true;
@@ -22,5 +23,6 @@ void USBTimer::fire() {
       Ion::LED::setColor(KDColorBlack);
       m_previousPluggedState = false;
     }
+#endif
   }
 }

ion/src/device/power.cpp

@@ -15,8 +15,9 @@ void Ion::Power::suspend() {
   PWR.CR()->setFPDS(true); // Put the flash to sleep. Takes longer to wake up.
   CM4.SCR()->setSLEEPDEEP(true);
 
-  WakeUp::Device::onChargingEvent();
   WakeUp::Device::onUSBPlugging();
+#if LED_WHILE_CHARGING
+  WakeUp::Device::onChargingEvent();
 
   while (1) {
     /* Update LEDS
@@ -24,9 +25,15 @@ void Ion::Power::suspend() {
      * a while to be sure that the plug state of the USB is up-to-date. */
     msleep(200);
     LED::Device::enforceState(Battery::isCharging(), USB::isPlugged(), false);
+#endif
 
     WakeUp::Device::onPowerKeyDown();
 
+#if LED_WHILE_CHARGING
+#else
+    msleep(200);
+#endif
+
     Device::shutdownClocks();
 
    /* To enter sleep, we need to issue a WFE instruction, which waits for the
@@ -39,6 +46,7 @@ void Ion::Power::suspend() {
     msleep(1);
     asm("wfe");
 
+#if LED_WHILE_CHARGING
     Device::initClocks();
 
     Keyboard::Device::init();
@@ -51,7 +59,7 @@ void Ion::Power::suspend() {
       break;
     }
   }
-
+#endif
   Device::initClocks();
 
   Device::initPeripherals();

ion/src/device/wakeup.cpp

@@ -31,7 +31,9 @@ void onUSBPlugging() {
   SYSCFG.EXTICR3()->setEXTI(USB::Device::VbusPin.pin(), USB::Device::VbusPin.group());
 
   EXTI.EMR()->set(USB::Device::VbusPin.pin(), true);
+#if LED_WHILE_CHARGING
   EXTI.FTSR()->set(USB::Device::VbusPin.pin(), true);
+#endif
   EXTI.RTSR()->set(USB::Device::VbusPin.pin(), true);
 }