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 "BLEDevice.h"
00019 #include "DeviceInformationService.h"
00020 #include "UARTService.h"
00021 #include "Utils.h"
00022 
00023 const static char     DEVICE_NAME[]        = "BlueNRG_UART";
00024 uint8_t c = 'A';
00025 
00026 extern bool user_button_pressed;
00027 bool connected = false;
00028 bool UpdatedEnabled = false;
00029 
00030 BLEDevice  ble;
00031 UARTService *uartServicePtr;
00032 
00033 /* Callback called when the device is disconnected */
00034 void disconnectionCallback(Gap::Handle_t handle, Gap::DisconnectionReason_t reason)
00035 {
00036   DEBUG("Disconnected!\n\r");
00037   DEBUG("Restarting the advertising process\n\r");
00038 
00039   ble.startAdvertising();
00040   connected = false;
00041 }
00042 
00043 /* Callback called when the device is connected */
00044 void connectionCallback(Gap::Handle_t handle, const Gap::ConnectionParams_t *reason)
00045 {
00046   DEBUG("Connected\r\n");
00047 
00048   connected = true;
00049 }
00050 
00051 /* Not working */
00052 void onDataSent(unsigned count)
00053 {
00054   DEBUG("onDataSent\r\n");
00055 }
00056 
00057 /* Not working */
00058 void onDataWritten(const GattCharacteristicWriteCBParams *params)
00059 {
00060   DEBUG("--onDataWritten\r\n");
00061   DEBUG("---charHandle               : %d\r\n", params->charHandle);
00062   DEBUG("---getTXCharacteristicHandle: %d\r\n", uartServicePtr->getTXCharacteristicHandle());
00063   DEBUG("---len: %d\r\n", params->len);
00064     
00065   if ((uartServicePtr != NULL) && (params->charHandle == uartServicePtr->getTXCharacteristicHandle())) 
00066   {
00067     DEBUG("received %u bytes\n\r", params->len);
00068              
00069     if(params->data[0] == 0x00)
00070     {
00071       //Do something
00072     }
00073     else
00074     {
00075       //Do something else
00076     }
00077   }
00078 }
00079 
00080 /* Callback called when the client enables updates */
00081 void onUpdatesEnabled(uint16_t attributeHandle)
00082 {
00083   DEBUG("**onUpdatesEnabled**\r\n");
00084   UpdatedEnabled = true;
00085 }
00086 
00087 /* Callback called when the client disable updates */
00088 void onUpdatesDisabled(uint16_t attributeHandle)
00089 {
00090   DEBUG("**onUpdatesDisabled**\r\n");
00091   UpdatedEnabled = false;
00092 }
00093  
00094 /* Main */
00095 int main(void)
00096 {
00097   DEBUG("Initialising \n\r");
00098   ble.init();
00099 #if 1
00100 /* Set callback functions */
00101   ble.onDisconnection(disconnectionCallback);
00102   ble.onConnection(connectionCallback);
00103   ble.onDataWritten(onDataWritten);
00104   ble.onDataSent(onDataSent);
00105   ble.onUpdatesEnabled(onUpdatesEnabled);
00106   ble.onUpdatesDisabled(onUpdatesDisabled);
00107  
00108   DeviceInformationService deviceInfo(ble, "ST", "Nucleo", "SN1", "hw-rev1", "fw-rev1", "soft-rev1");
00109   /* setup advertising */
00110   ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED);
00111   ble.setAdvertisingType          (GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
00112     
00113   ble.accumulateAdvertisingPayload(GapAdvertisingData::SHORTENED_LOCAL_NAME            , (const uint8_t *)"BlueNRG_UART"          , sizeof("BlueNRG_UART") - 1);
00114   ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS, (const uint8_t *)UARTServiceUUID_reversed, sizeof(UARTServiceUUID_reversed));
00115   ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME             , (uint8_t *)DEVICE_NAME                   , sizeof(DEVICE_NAME));
00116 
00117   /* Start advertising */
00118   ble.setAdvertisingInterval(160);
00119   ble.startAdvertising();
00120  
00121   UARTService uartService(ble);
00122   uartServicePtr = &uartService;
00123 
00124 
00125   while (true) 
00126   {
00127     ble.waitForEvent();
00128         
00129     if(connected == true)
00130     {
00131       if ((user_button_pressed == true) && (UpdatedEnabled == true))
00132       {
00133         user_button_pressed = false;
00134         DEBUG("Current Char: %c\r\n",c);
00135         ble.updateCharacteristicValue(uartServicePtr->getRXCharacteristicHandle(), &c, 1);
00136                 
00137         c++;
00138                 
00139         if(c == ('Z'+1))
00140         {
00141           c = 'A';
00142         }
00143       }
00144     }
00145   }
00146 #else
00147   while (true) 
00148   {
00149     if (user_button_pressed == true)
00150     {
00151       user_button_pressed = false;
00152       DEBUG("Current Char: %c\r\n",c);
00153                 
00154       c++;
00155                 
00156       if(c == ('Z'+1))
00157       {
00158         c = 'A';
00159       }
00160     }
00161   }
00162 #endif
00163 }