Revision 0:aae2d6c2a9eb, committed 2016-01-07

Comitter:

apalmieri

Date:

Thu Jan 07 16:31:02 2016 +0000

Child:

1:19bf252d3009

Commit message:

A simple demo driving an LED through a BLE service

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BLE_API.lib	Thu Jan 07 16:31:02 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/teams/Bluetooth-Low-Energy/code/BLE_API/#bfc5b9b6ecf5

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LEDService.h	Thu Jan 07 16:31:02 2016 +0000
@@ -0,0 +1,42 @@
+/* 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.
+ */
+
+#ifndef __BLE_LED_SERVICE_H__
+#define __BLE_LED_SERVICE_H__
+
+class LEDService {
+public:
+    const static uint16_t LED_SERVICE_UUID              = 0xA000;
+    const static uint16_t LED_STATE_CHARACTERISTIC_UUID = 0xA001;
+
+    LEDService(BLEDevice &_ble, bool initialValueForLEDCharacteristic) :
+        ble(_ble), ledState(LED_STATE_CHARACTERISTIC_UUID, &initialValueForLEDCharacteristic)
+    {
+        GattCharacteristic *charTable[] = {&ledState};
+        GattService         ledService(LED_SERVICE_UUID, charTable, sizeof(charTable) / sizeof(GattCharacteristic *));
+        ble.addService(ledService);
+    }
+
+    GattAttribute::Handle_t getValueHandle() const {
+        return ledState.getValueHandle();
+    }
+
+private:
+    BLEDevice                         &ble;
+    ReadWriteGattCharacteristic<bool>  ledState;
+};
+
+#endif /* #ifndef __BLE_LED_SERVICE_H__ */

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/X_NUCLEO_IDB0XA1.lib	Thu Jan 07 16:31:02 2016 +0000
@@ -0,0 +1,1 @@
+https://developer.mbed.org/teams/ST/code/X_NUCLEO_IDB0XA1/#d7cb3b3d0295

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Jan 07 16:31:02 2016 +0000
@@ -0,0 +1,99 @@
+/* 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.h"
+#include "ble/BLE.h"
+#include "LEDService.h"
+
+DigitalOut actuatedLED(LED1, 0);
+
+const static char     DEVICE_NAME[] = "LED";
+static const uint16_t uuid16_list[] = {LEDService::LED_SERVICE_UUID};
+
+LEDService *ledServicePtr;
+
+void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
+{
+    (void)params;
+    BLE::Instance().gap().startAdvertising();
+}
+
+/**
+ * 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 = true;
+    LEDService ledService(ble, initialValueForLEDCharacteristic);
+    ledServicePtr = &ledService;
+
+    /* 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();
+
+    while (true) {
+        ble.waitForEvent();
+    }
+}
+
+int main(void)
+{
+    BLE &ble = BLE::Instance();
+    
+    ble.init(bleInitComplete);
+}
+

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Thu Jan 07 16:31:02 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/4336505e4b1c
\ No newline at end of file