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 #include <events/mbed_events.h>
00017 
00018 #include <mbed.h>
00019 #include "ble/BLE.h"
00020 #include "ble/Gap.h"
00021 #include "ButtonService.h"
00022 
00023 DigitalOut  led1(P0_24, 1);
00024 InterruptIn button(P0_18);
00025 
00026 static EventQueue eventQueue(/* event count */ 10 * EVENTS_EVENT_SIZE);
00027 
00028 const static char     DEVICE_NAME[] = "Button";
00029 static const uint16_t uuid16_list[] = {ButtonService::BUTTON_SERVICE_UUID};
00030 
00031 ButtonService *buttonServicePtr;
00032 
00033 void buttonPressedCallback(void)
00034 {
00035     eventQueue.call(Callback<void(bool)>(buttonServicePtr, &ButtonService::updateButtonState), true);
00036 }
00037 
00038 void buttonReleasedCallback(void)
00039 {
00040     eventQueue.call(Callback<void(bool)>(buttonServicePtr, &ButtonService::updateButtonState), false);
00041 }
00042 
00043 void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
00044 {
00045     BLE::Instance().gap().startAdvertising(); // restart advertising
00046     led1 = 1;
00047 }
00048 void connectionCallback(const Gap::ConnectionCallbackParams_t *params)
00049 {
00050     led1 = 0;
00051 }
00052 
00053 void blinkCallback(void)
00054 {
00055 //    led1 = !led1; /* Do blinky on LED1 to indicate system aliveness. */
00056 }
00057 
00058 void onBleInitError(BLE &ble, ble_error_t error)
00059 {
00060     /* Initialization error handling should go here */
00061 }
00062 
00063 void printMacAddress()
00064 {
00065     /* Print out device MAC address to the console*/
00066     Gap::AddressType_t addr_type;
00067     Gap::Address_t address;
00068     BLE::Instance().gap().getAddress(&addr_type, address);
00069     printf("DEVICE MAC ADDRESS: ");
00070     for (int i = 5; i >= 1; i--){
00071         printf("%02x:", address[i]);
00072     }
00073     printf("%02x\r\n", address[0]);
00074 }
00075 
00076 void bleInitComplete(BLE::InitializationCompleteCallbackContext *params)
00077 {
00078     BLE&        ble   = params->ble;
00079     ble_error_t error = params->error;
00080 
00081     if (error != BLE_ERROR_NONE) {
00082         /* In case of error, forward the error handling to onBleInitError */
00083         onBleInitError(ble, error);
00084         return;
00085     }
00086 
00087     /* Ensure that it is the default instance of BLE */
00088     if(ble.getInstanceID() != BLE::DEFAULT_INSTANCE) {
00089         return;
00090     }
00091 
00092     ble.gap().onDisconnection(disconnectionCallback);
00093     ble.gap().onConnection(connectionCallback);
00094 
00095     button.fall(buttonPressedCallback);
00096     button.rise(buttonReleasedCallback);
00097 
00098     /* Setup primary service. */
00099     buttonServicePtr = new ButtonService(ble, false /* initial value for button pressed */);
00100 
00101     /* setup advertising */
00102     ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
00103     ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list));
00104     ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
00105     ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
00106     ble.gap().setAdvertisingInterval(1000); /* 1000ms. */
00107     ble.gap().startAdvertising();
00108 
00109 //    printMacAddress();
00110 }
00111 
00112 void scheduleBleEventsProcessing(BLE::OnEventsToProcessCallbackContext* context) {
00113     BLE &ble = BLE::Instance();
00114     eventQueue.call(Callback<void()>(&ble, &BLE::processEvents));
00115 }
00116 
00117 int main()
00118 {
00119     eventQueue.call_every(500, blinkCallback);
00120 
00121     BLE &ble = BLE::Instance();
00122     ble.onEventsToProcess(scheduleBleEventsProcessing);
00123     ble.init(bleInitComplete);
00124 
00125     eventQueue.dispatch_forever();
00126 
00127     return 0;
00128 }