main.cpp

00001 #include "mbed.h"
00002 #include "BLEDevice.h"
00003 #include "IR.h"
00004 #include "nRF51822n.h"
00005 
00006 BLEDevice ble;
00007 
00008 DigitalOut myled(LED1);
00009 DigitalOut yourled(LED2);
00010 nRF51822n nrf;
00011 
00012 Serial py(USBTX, USBRX);
00013 
00014 const static uint8_t beaconPayload[] = {
00015     0x00, 0x4C, // Company identifier code (0x004C == Apple)
00016     0x02,       // ID
00017     0x15,       // length of the remaining payload
00018     0xE2, 0x0A, 0x39, 0xF4, 0x73, 0xF5, 0x4B, 0xC4, // UUID
00019     0xA1, 0x2F, 0x17, 0xD1, 0xAD, 0x07, 0xA9, 0x61,
00020     0x13, 0x37, // the major value to differenciate a location
00021     0xFA, 0xCE, // the minor value to differenciate a location
00022     0xC8        // 2's complement of the Tx power (-56dB)
00023 };
00024 
00025 extern GattService ir_service;
00026 extern GattCharacteristic header, one, zero, ptrail, predata, code;
00027 
00028 int received_ir_transmission = 0;
00029 void onDataWritten(uint16_t handle)
00030 {
00031     py.printf("Data written! %i\n", handle);
00032     for (int i = 0; i < ir_service.getCharacteristicCount(); i++) {
00033         GattCharacteristic* characteristic = ir_service.getCharacteristic(i);
00034         characteristic->getMaxLength();
00035         if (characteristic->getHandle() == handle) {
00036             uint16_t max_length = characteristic->getMaxLength();
00037             ble.readCharacteristicValue(handle, characteristic->getValuePtr(), &max_length);
00038             for (int i=0; i<max_length; i++) {
00039                 py.printf("Got value: %d\n", characteristic->getValuePtr()[i]);
00040             }
00041             break;
00042         }
00043     }
00044 
00045     if (code.getHandle() == handle) {
00046         received_ir_transmission = 1;
00047     }
00048 }
00049 
00050 void disconnectionCallback(void)
00051 {
00052     py.printf("Disconnected!\n");
00053     py.printf("Restarting the advertising process\n");
00054     ble.startAdvertising();
00055 }
00056 
00057 void connectionCallback(void)
00058 {
00059     py.printf("Connected!\n");
00060 }
00061 
00062 void onDataSent(uint16_t data)
00063 {
00064     py.printf("onDataSent!\n");
00065 }
00066 
00067 int main()
00068 {
00069     py.printf("Start of main\n");
00070 
00071     ble.init();
00072     ble.onConnection(connectionCallback);
00073     ble.onDisconnection(disconnectionCallback);
00074     ble.onDataWritten(onDataWritten);
00075     ble.onDataSent(onDataSent);
00076     ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED);
00077     ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
00078     ble.setAdvertisingInterval(160); /* 100ms; in multiples of 0.625ms. */
00079 
00080     ble.accumulateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA,
00081                                      beaconPayload, sizeof(beaconPayload));
00082 
00083     ble.startAdvertising();
00084 
00085     ble.addService(ir_service);
00086 
00087     myled = 1;
00088 
00089     py.printf("Listening..\n");
00090 
00091     while (true) {
00092         ble.waitForEvent();
00093         if (received_ir_transmission == 1) {
00094             fireIRCode(header.getValuePtr(), one.getValuePtr(), zero.getValuePtr(), ptrail.getValuePtr(), predata.getValuePtr(), code.getValuePtr());
00095             received_ir_transmission = 0;
00096         }
00097         myled = !myled;
00098     }
00099 }