main.cpp

00001 #include "mbed.h"
00002 #include "AD9850.h"
00003 #include "BLEDevice.h"
00004 
00005 #define DEBUG 1
00006 
00007 //-----------------------------------------------------------------------
00008 //-----------------------------------------------------------------------
00009 Ticker ticker;
00010 Serial      pc(P0_9, P0_11);
00011 DigitalOut  led1(P0_18);
00012 DigitalOut  led2(P0_19);
00013 DigitalIn   btn1(P0_16);
00014 DigitalIn   btn2(P0_17);
00015 
00016 AD9850 dds(P0_20, P0_25, P0_24, P0_23);
00017 
00018 //-----------------------------------------------------------------------
00019 
00020 uint32_t targetFreq     = 10 * 1000 * 1000; // 10MHz - default
00021 uint32_t incrementFreq  = 100 * 1000;       // This is a 100KHz frequency increment
00022 
00023 //-----------------------------------------------------------------------
00024 
00025 BLEDevice  ble;
00026 
00027 const static char     DEVICE_NAME[] = "DDS-CTRL 0.2";
00028 static const uint16_t uuid16_list[] = {0xFFFF};     // Custom UUID, FFFF is reserved for development
00029 
00030 // Set Up custom Characteristics
00031 static uint8_t      deviceValue = 0;
00032 static uint8_t      outputValue = 0;
00033 static uint32_t     frequencyValue = 0;
00034 
00035 ReadWriteArrayGattCharacteristic<uint8_t, 1>    deviceChar(0xA201,    &deviceValue);
00036 ReadWriteArrayGattCharacteristic<uint8_t, 1>    outputChar(0xA202,    &outputValue);
00037 ReadWriteArrayGattCharacteristic<uint32_t, 1>   frequencyChar(0xA203, &frequencyValue);
00038 
00039 // Set up custom service
00040 GattCharacteristic *characteristics[] = {
00041     &deviceChar,
00042     &outputChar,
00043     &frequencyChar,
00044 };
00045 GattService customService(0xA001, characteristics, sizeof(characteristics) / sizeof(GattCharacteristic *));
00046 
00047 
00048 //-----------------------------------------------------------------------
00049 /**
00050  *
00051  */
00052  void connectionCallback(Gap::Handle_t Handle_t,
00053                          Gap::addr_type_t peerAddrType, const Gap::address_t peerAddr,
00054                          Gap::addr_type_t ownAddrType,  const Gap::address_t ownAddr,
00055                          const Gap::ConnectionParams_t *params)
00056 {
00057     pc.printf("connectionCallback\n");
00058 }
00059 
00060 //--------------------------------
00061 /*
00062  *  Restart advertising when phone app disconnects
00063  */ 
00064 void disconnectionCallback(Gap::Handle_t handle, Gap::DisconnectionReason_t reason)
00065 {
00066     pc.printf("disconnectionCallback\n");
00067     ble.startAdvertising(); 
00068 }
00069 
00070 //--------------------------------
00071 /* 
00072  *  handle writes to writeCharacteristic
00073  */
00074 void writeCharCallback(const GattCharacteristicWriteCBParams *params)
00075 {
00076     led2 = !led2;
00077 
00078     pc.printf("BLE:onDataWritten\n");
00079 
00080     if (params->charHandle == deviceChar.getValueHandle()) {
00081         memcpy(&deviceChar, params->data, params->len);
00082         pc.printf("deviceChar\n");
00083         pc.printf("deviceChar: deviceValue: %x\n", deviceValue);
00084 
00085     } else
00086     if (params->charHandle == outputChar.getValueHandle()) {
00087         memcpy(&outputValue, params->data, params->len);
00088         pc.printf("outputChar : outputValue: %x\n", outputValue);
00089 
00090     } else
00091     if (params->charHandle == frequencyChar.getValueHandle()) {
00092         memcpy(&targetFreq, params->data, params->len);
00093         pc.printf("frequencyChar\n");
00094         pc.printf("targetFreq: %d\n", targetFreq);
00095     }
00096 
00097 }
00098 
00099 //-----------------------------------------------------------------------
00100 
00101 void tickerCallback()
00102 {
00103     led1 = !led1;
00104 }
00105 
00106 char guruguru(int cnt)
00107 {
00108     static char gurus[] = {'-', '\\', '|', '/'};
00109     return gurus[cnt % 4];
00110 }
00111 
00112 //--------------------------------
00113 
00114 int main(void)
00115 {
00116     ticker.attach(&tickerCallback, 0.5);
00117 
00118     pc.baud(115200);
00119     pc.printf("\n");
00120     pc.printf("------------------------\n");
00121     pc.printf("DDS-CTRL start\n");
00122     led1 = 0; led2 = 0;;
00123 
00124 
00125     ble.init();
00126     ble.onConnection(connectionCallback);
00127     ble.onDisconnection(disconnectionCallback);
00128     ble.onDataWritten(writeCharCallback);
00129         
00130     // setup advertising
00131     {
00132         // BLE only, no classic BT
00133         ble.accumulateAdvertisingPayload(   GapAdvertisingData::BREDR_NOT_SUPPORTED | 
00134                                             GapAdvertisingData::LE_GENERAL_DISCOVERABLE );
00135         // advertising type
00136         ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
00137         // add name
00138         ble.accumulateAdvertisingPayload(   GapAdvertisingData::COMPLETE_LOCAL_NAME, 
00139                                             (uint8_t *)DEVICE_NAME, 
00140                                             sizeof(DEVICE_NAME) );
00141         // UUID's broadcast in advertising packet
00142         ble.accumulateAdvertisingPayload(   GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS,
00143                                             (uint8_t *)uuid16_list,
00144                                             sizeof(uuid16_list) );
00145         ble.setAdvertisingInterval(100); // interval is 100ms. 
00146         // add my service
00147         ble.addService(customService);
00148 
00149         // start advertising
00150         ble.startAdvertising();
00151     }
00152     pc.printf("BLE init\n");
00153 
00154 
00155     // DDS 初期化
00156     {
00157         dds.init();
00158 pc.printf("\nFREQ: %d [default]\n", targetFreq);
00159         dds.setFrequency(targetFreq, 0, 0);
00160         dds.setFrequency(targetFreq, 0, 0);
00161             // TODO: なぜか最初だけ２回ださないと設定されない... 
00162     }
00163     pc.printf("DDS init\n");
00164 
00165 
00166     int loopCounter = 0;
00167     int lastFreq = targetFreq;
00168     while (true) {
00169         ble.waitForEvent();
00170 
00171         loopCounter++;
00172         //pc.putc(guruguru(loopCounter));
00173         //pc.putc('\r');
00174         pc.putc('*');
00175         wait_ms(100);
00176 
00177         if (lastFreq != targetFreq) {
00178 pc.printf("\nFREQ: %d\n", targetFreq);
00179             dds.setFrequency(targetFreq, 0, 0);
00180 
00181             //gInternalStorageBuffer.freq = targetFreq;
00182             //nRF51822_internalStorage_write();
00183 
00184             lastFreq = targetFreq;
00185         }
00186     }
00187 
00188 }
00189 
00190 //---------------------------------------------------------
00191