BLE example of a write characteristic to control a Led

Revision:
2:864ddfb70a9c
Parent:
1:b1f4696c0018
Child:
11:7404978b24e7
--- a/source/main.cpp	Thu Jul 28 23:13:57 2016 +0100
+++ b/source/main.cpp	Thu Jul 28 23:14:48 2016 +0100
@@ -1,117 +1,117 @@
-/* mbed Microcontroller Library
- * Copyright (c) 2006-2013 ARM Limited
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <mbed-events/events.h>
-#include <mbed.h>
-#include "ble/BLE.h"
-#include "LEDService.h"
-
-DigitalOut alivenessLED(LED1, 0);
-DigitalOut actuatedLED(LED2, 0);
-
-const static char     DEVICE_NAME[] = "LED";
-static const uint16_t uuid16_list[] = {LEDService::LED_SERVICE_UUID};
-
-static EventQueue eventQueue(
-    /* event count */ 10 * /* event size */ 32
-);
-
-LEDService *ledServicePtr;
-
-void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
-{
-    (void) params;
-    BLE::Instance().gap().startAdvertising();
-}
-
-void blinkCallback(void)
-{
-    alivenessLED = !alivenessLED; /* Do blinky on LED1 to indicate system aliveness. */
-}
-
-/**
- * This callback allows the LEDService to receive updates to the ledState Characteristic.
- *
- * @param[in] params
- *     Information about the characterisitc being updated.
- */
-void onDataWrittenCallback(const GattWriteCallbackParams *params) {
-    if ((params->handle == ledServicePtr->getValueHandle()) && (params->len == 1)) {
-        actuatedLED = *(params->data);
-    }
-}
-
-/**
- * This function is called when the ble initialization process has failled
- */
-void onBleInitError(BLE &ble, ble_error_t error)
-{
-    /* Initialization error handling should go here */
-}
-
-/**
- * Callback triggered when the ble initialization process has finished
- */
-void bleInitComplete(BLE::InitializationCompleteCallbackContext *params)
-{
-    BLE&        ble   = params->ble;
-    ble_error_t error = params->error;
-
-    if (error != BLE_ERROR_NONE) {
-        /* In case of error, forward the error handling to onBleInitError */
-        onBleInitError(ble, error);
-        return;
-    }
-
-    /* Ensure that it is the default instance of BLE */
-    if(ble.getInstanceID() != BLE::DEFAULT_INSTANCE) {
-        return;
-    }
-
-    ble.gap().onDisconnection(disconnectionCallback);
-    ble.gattServer().onDataWritten(onDataWrittenCallback);
-
-    bool initialValueForLEDCharacteristic = false;
-    ledServicePtr = new LEDService(ble, initialValueForLEDCharacteristic);
-
-    /* setup advertising */
-    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
-    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list));
-    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
-    ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
-    ble.gap().setAdvertisingInterval(1000); /* 1000ms. */
-    ble.gap().startAdvertising();
-}
-
-void scheduleBleEventsProcessing(BLE::OnEventsToProcessCallbackContext* context) {
-    BLE &ble = BLE::Instance();
-    eventQueue.post(Callback<void()>(&ble, &BLE::processEvents));
-}
-
-int main()
-{
-    eventQueue.post_every(500, blinkCallback);
-
-    BLE &ble = BLE::Instance();
-    ble.onEventsToProcess(scheduleBleEventsProcessing);
-    ble.init(bleInitComplete);
-
-    while (true) {
-        eventQueue.dispatch();
-    }
-
-    return 0;
-}
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <mbed-events/events.h>
+#include <mbed.h>
+#include "ble/BLE.h"
+#include "LEDService.h"
+
+DigitalOut alivenessLED(LED1, 0);
+DigitalOut actuatedLED(LED2, 0);
+
+const static char     DEVICE_NAME[] = "LED";
+static const uint16_t uuid16_list[] = {LEDService::LED_SERVICE_UUID};
+
+static EventQueue eventQueue(
+    /* event count */ 10 * /* event size */ 32
+);
+
+LEDService *ledServicePtr;
+
+void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
+{
+    (void) params;
+    BLE::Instance().gap().startAdvertising();
+}
+
+void blinkCallback(void)
+{
+    alivenessLED = !alivenessLED; /* Do blinky on LED1 to indicate system aliveness. */
+}
+
+/**
+ * This callback allows the LEDService to receive updates to the ledState Characteristic.
+ *
+ * @param[in] params
+ *     Information about the characterisitc being updated.
+ */
+void onDataWrittenCallback(const GattWriteCallbackParams *params) {
+    if ((params->handle == ledServicePtr->getValueHandle()) && (params->len == 1)) {
+        actuatedLED = *(params->data);
+    }
+}
+
+/**
+ * This function is called when the ble initialization process has failled
+ */
+void onBleInitError(BLE &ble, ble_error_t error)
+{
+    /* Initialization error handling should go here */
+}
+
+/**
+ * Callback triggered when the ble initialization process has finished
+ */
+void bleInitComplete(BLE::InitializationCompleteCallbackContext *params)
+{
+    BLE&        ble   = params->ble;
+    ble_error_t error = params->error;
+
+    if (error != BLE_ERROR_NONE) {
+        /* In case of error, forward the error handling to onBleInitError */
+        onBleInitError(ble, error);
+        return;
+    }
+
+    /* Ensure that it is the default instance of BLE */
+    if(ble.getInstanceID() != BLE::DEFAULT_INSTANCE) {
+        return;
+    }
+
+    ble.gap().onDisconnection(disconnectionCallback);
+    ble.gattServer().onDataWritten(onDataWrittenCallback);
+
+    bool initialValueForLEDCharacteristic = false;
+    ledServicePtr = new LEDService(ble, initialValueForLEDCharacteristic);
+
+    /* setup advertising */
+    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
+    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list));
+    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
+    ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
+    ble.gap().setAdvertisingInterval(1000); /* 1000ms. */
+    ble.gap().startAdvertising();
+}
+
+void scheduleBleEventsProcessing(BLE::OnEventsToProcessCallbackContext* context) {
+    BLE &ble = BLE::Instance();
+    eventQueue.post(Callback<void()>(&ble, &BLE::processEvents));
+}
+
+int main()
+{
+    eventQueue.post_every(500, blinkCallback);
+
+    BLE &ble = BLE::Instance();
+    ble.onEventsToProcess(scheduleBleEventsProcessing);
+    ble.init(bleInitComplete);
+
+    while (true) {
+        eventQueue.dispatch();
+    }
+
+    return 0;
+}