main.cpp

00001 
00002 // Headers necessary for mbed and BLE device mode
00003 #include "mbed.h"
00004 #include "BLEDevice.h"
00005 
00006 // BLE object
00007 BLEDevice ble;
00008 
00009 // Optional: Device Name, add for human read-ability
00010 //const static char     DEVICE_NAME[]        = "ChangeMe!!"; // Optional: device name
00011 
00012 // You have up to 26 bytes of advertising data to use.
00013 
00014 //const static uint8_t AdvData[] = {"ChangeThisData"};         // example of character data
00015 const static uint8_t AdvData[] = {0x01,0x02,0x03,0x04,0x05};   // example of hex data
00016 
00017 // Optional: Restart advertising when phone app disconnects 
00018 void disconnectionCallback(Gap::Handle_t handle, Gap::DisconnectionReason_t reason){
00019     ble.startAdvertising(); 
00020 }
00021 
00022 // main program
00023 int main(void)
00024 {
00025     // Initialize BLE baselayer, always do this first!
00026     ble.init();
00027     
00028     // Optional: add callback for disconnection
00029     // ble.onDisconnection(disconnectionCallback); 
00030 
00031     // Sacrifice 3B of 31B to Advertising Flags
00032     ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE );
00033     ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
00034 
00035     // Sacrifice 2B of 31B to AdvType overhead, rest goes to AdvData array you define
00036     ble.accumulateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, AdvData, sizeof(AdvData));
00037     
00038     // Optional: Add name to device 
00039     //ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
00040 
00041     // Set advertising interval. Longer interval = longer battery life
00042     ble.setAdvertisingInterval(100); // 100ms, set as percentage of a second
00043     ble.startAdvertising();
00044 
00045     // Infinite loop waiting for BLE events
00046     for (;;) {
00047         ble.waitForEvent(); // this saves battery while waiting for callback events
00048     }
00049 }