feat: Add support for turning off the display timeout in ICD applications

Author: rosahay-silabs

examples/lock-app/silabs/src/AppTask.cpp

@@ -234,7 +234,10 @@ CHIP_ERROR AppTask::Init()
         GetLCD().ShowQRCode(true);
     }
 #endif // QR_CODE_ENABLED
-#endif
+#ifdef SL_ENABLE_ICD_LCD
+    GetLCD().TurnOff(SilabsLCD::kDefaultLCDTimeout);
+#endif // SL_ENABLE_ICD_LCD
+#endif // DISPLAY_ENABLED
 
     chip::DeviceLayer::PlatformMgr().ScheduleWork(UpdateClusterState, reinterpret_cast<intptr_t>(nullptr));
 
@@ -347,7 +350,13 @@ void AppTask::ActionInitiated(LockManager::Action_t aAction, int32_t aActor)
         sLockLED.Set(!locked);
 
 #ifdef DISPLAY_ENABLED
+#ifdef SL_ENABLE_ICD_LCD
+        sAppTask.GetLCD().TurnOn();
+#endif // SL_ENABLE_ICD_LCD
         sAppTask.GetLCD().WriteDemoUI(locked);
+#ifdef SL_ENABLE_ICD_LCD
+        sAppTask.GetLCD().TurnOff(SilabsLCD::kActivityLCDTimeout);
+#endif // SL_ENABLE_ICD_LCD
 #endif // DISPLAY_ENABLED
     }
     else if (aAction == LockManager::UNLATCH_ACTION)

examples/platform/silabs/display/lcd.cpp

@@ -292,7 +292,7 @@ CHIP_ERROR SilabsLCD::TurnOff(void)
     status             = SilabsLCD::Clear();
     if (status != SL_STATUS_OK)
     {
-        ChipLogError(DeviceLayer, "LCD clear failed: %ld", status);
+        ChipLogError(DeviceLayer, "SilabsLCD::Clear failed: %ld", status);
         return CHIP_ERROR_INTERNAL;
     }
 #if (SLI_SI91X_MCU_INTERFACE)
@@ -305,14 +305,12 @@ CHIP_ERROR SilabsLCD::TurnOff(void)
         ChipLogError(DeviceLayer, "sl_board_disable_display failed: %ld", status);
         return CHIP_ERROR_INTERNAL;
     }
-    ChipLogDetail(DeviceLayer, "SilabsLCD::TurnOff completed");
     return CHIP_NO_ERROR;
 }
 
 #ifdef SL_ENABLE_ICD_LCD
 CHIP_ERROR SilabsLCD::TurnOff(uint32_t delayInMs)
 {
-    ChipLogDetail(DeviceLayer, "start LCD timeout timer");
     sl_sleeptimer_restart_timer(&lcdTimerHandle, sl_sleeptimer_ms_to_tick(delayInMs), LcdTimeoutCallback, this, 0,
                                 SL_SLEEPTIMER_NO_HIGH_PRECISION_HF_CLOCKS_REQUIRED_FLAG);
     return CHIP_NO_ERROR;

examples/platform/silabs/display/lcd.h

@@ -64,9 +64,9 @@ class SilabsLCD
     } DisplayStatus_t;
 
 #ifdef SL_ENABLE_ICD_LCD
-    static const uint32_t kDefaultLCDTimeout = 3000;
-    const uint32_t kActivityLCDTimeout       = 5000;
-    const uint32_t kQRCodeScreenTimeout      = 10000;
+    static const uint32_t kDefaultLCDTimeout   = 3000;
+    static const uint32_t kActivityLCDTimeout  = 5000;
+    static const uint32_t kQRCodeScreenTimeout = 10000;
 #endif // SL_ENABLE_ICD_LCD
 
     typedef void (*customUICB)(GLIB_Context_t * context);