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Dependencies:   BLE_API mbed nRF51822

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main.cpp

00001 /* mbed Microcontroller Library
00002  * Copyright (c) 2006-2013 ARM Limited
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *     http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 
00017 #include "mbed.h"
00018 #include "ble/BLE.h"
00019 #include "LEDService.h"
00020 
00021 DigitalOut led1(LED1, 0);
00022 DigitalOut led2(LED2, 0);
00023 DigitalOut pin1(P0_1, 0);
00024 DigitalOut pin2(P0_2, 0);
00025 
00026 const static char     DEVICE_NAME[] = "LED";
00027 static const uint16_t uuid16_list[] = {LEDService::LED_SERVICE_UUID};
00028 
00029 LEDService *ledServicePtr;
00030 
00031 Ticker ticker;
00032 
00033 void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
00034 {
00035     BLE::Instance().gap().startAdvertising();
00036 }
00037 
00038 void periodicCallback(void)
00039 {
00040     //led1 = !led1; /* Do blinky on LED1 to indicate system aliveness. */
00041 }
00042 
00043 /**
00044  * This callback allows the LEDService to receive updates to the ledState Characteristic.
00045  *
00046  * @param[in] params
00047  *     Information about the characterisitc being updated.
00048  */
00049 void onDataWrittenCallback(const GattWriteCallbackParams *params) {
00050     if ((params->handle == ledServicePtr->getValueHandle()) && (params->len == 1)) {
00051         //printf("led1");
00052         pin1 = *(params->data);
00053         led1=pin1;
00054     }
00055     if ((params->handle == ledServicePtr->getValueHandle2()) && (params->len == 1)) {
00056         //printf("led2");
00057         pin2 = *(params->data);
00058         if(pin2==1){
00059             led2=1;
00060         }
00061         else{
00062             led2=0;   
00063         }
00064     }
00065 }
00066 
00067 /**
00068  * This function is called when the ble initialization process has failed
00069  */
00070 void onBleInitError(BLE &ble, ble_error_t error)
00071 {
00072     /* Initialization error handling should go here */
00073 }
00074 
00075 /**
00076  * Callback triggered when the ble initialization process has finished
00077  */
00078 void bleInitComplete(BLE::InitializationCompleteCallbackContext *params)
00079 {
00080     BLE&        ble   = params->ble;
00081     ble_error_t error = params->error;
00082 
00083     if (error != BLE_ERROR_NONE) {
00084         /* In case of error, forward the error handling to onBleInitError */
00085         onBleInitError(ble, error);
00086         return;
00087     }
00088 
00089     /* Ensure that it is the default instance of BLE */
00090     if(ble.getInstanceID() != BLE::DEFAULT_INSTANCE) {
00091         return;
00092     }
00093  
00094     ble.gap().onDisconnection(disconnectionCallback);
00095     ble.gattServer().onDataWritten(onDataWrittenCallback);
00096 
00097     bool initialValueForLEDCharacteristic = false;
00098     ledServicePtr = new LEDService(ble, initialValueForLEDCharacteristic);
00099 
00100     /* setup advertising */
00101     ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
00102     ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list));
00103     ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
00104     ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
00105     ble.gap().setAdvertisingInterval(1000); /* 1000ms. */
00106     ble.gap().startAdvertising();
00107 }
00108 
00109 int main(void)
00110 {
00111     //ticker.attach(periodicCallback, 1); /* Blink LED every second */
00112 
00113     BLE &ble = BLE::Instance();
00114     ble.init(bleInitComplete);
00115 
00116     /* SpinWait for initialization to complete. This is necessary because the
00117      * BLE object is used in the main loop below. */
00118     while (ble.hasInitialized()  == false) { /* spin loop */ }
00119 
00120     while (true) {
00121         ble.waitForEvent();
00122     }
00123 }