microbit: Added MicroBitLEDService

One of the standard services defiend with the Bluetooth SIG. Allows remote control
of the LED matrix display over BLE.

inc/MicroBit.h

@@ -5,9 +5,6 @@
 #include "MicroBitConfig.h"
 #include "MicroBitPanic.h"
 
-#include "ble/BLE.h"
-#include "ble/services/DeviceInformationService.h"
-
 #include "ErrorNo.h"
 
 #include "MicroBitHeapAllocator.h"
@@ -31,8 +28,11 @@
 #include "MicroBitCompass.h"
 #include "MicroBitAccelerometer.h"
 
+#include "ble/BLE.h"
+#include "ble/services/DeviceInformationService.h"
 #include "MicroBitDFUService.h"
 #include "MicroBitEventService.h"
+#include "MicroBitLEDService.h"
 #include "ExternalEvents.h"
 
 // MicroBit::flags values
@@ -137,7 +137,7 @@ class MicroBit
     BLEDevice               *ble;
     MicroBitDFUService      *ble_firmware_update_service;
     MicroBitEventService    *ble_event_service;
-
+    MicroBitLEDService      *ble_led_service;
     
     /**
       * Constructor. 

inc/MicroBitConfig.h

@@ -136,9 +136,23 @@
 // This enables the standard BLE device information service.
 // Set '1' to enable. 
 #ifndef MICROBIT_BLE_DEVICE_INFORMATION_SERVICE
-#define MICROBIT_BLE_DEVICE_INFORMATION_SERVICE     1
+#define MICROBIT_BLE_DEVICE_INFORMATION_SERVICE     0
 #endif
 
+
+// Enable/Disable BLE Service: MicroBitLEDService
+// This enables the control and the LED matrix display via BLE.
+// Set '1' to enable. 
+#ifndef MICROBIT_BLE_LED_SERVICE
+#define MICROBIT_BLE_LED_SERVICE     1
+#endif
+
+
+// Defines the maximum length strong that can be written to the
+// display over BLE.
+#ifndef MICROBIT_BLE_MAXIMUM_SCROLLTEXT
+#define MICROBIT_BLE_MAXIMUM_SCROLLTEXT     20
+#endif
 //
 // Accelerometer options
 //

source/CMakeLists.txt

@@ -28,6 +28,7 @@ set(YOTTA_AUTO_MICROBIT-DAL_CPP_FILES
     "MicroBitHeapAllocator.cpp"
     "ble-services/MicroBitDFUService.cpp"
     "ble-services/MicroBitEventService.cpp"
+    "ble-services/MicroBitLEDService.cpp"
 )
 
 if (YOTTA_CFG_MICROBIT_CONFIGFILE)

source/MicroBit.cpp

@@ -117,6 +117,10 @@ void MicroBit::init()
     ble_event_service = new MicroBitEventService(*ble);
 #endif    
     
+#if CONFIG_ENABLED(MICROBIT_BLE_LED_SERVICE) 
+    ble_led_service = new MicroBitLEDService(*ble);
+#endif
+
     // Setup advertising.
     ble->accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
     ble->accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)MICROBIT_BLE_DEVICE_NAME, sizeof(MICROBIT_BLE_DEVICE_NAME));