HspBLE.cpp

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00033 #include "HspBLE.h"
00034 #include "Peripherals.h"
00035 #include "MAX30001_helper.h"
00036 
00037 #define LOW_BYTE(x) ((uint8_t)((x)&0xFF))
00038 #define HIGH_BYTE(x) ((uint8_t)(((x) >> 8) & 0xFF))
00039 
00040 /// define all of the characteristic UUIDs
00041 uint8_t HspBLE::temperatureTopCharUUID[] = {0x35,0x44,0x53,0x1b,0x00,0xc3,0x43,0x42,0x97,0x55,0xb5,0x6a,0xbe,0x8e,0x6c,0x67};
00042 uint8_t HspBLE::temperatureBottomCharUUID[] = {0x35,0x44,0x53,0x1b,0x00,0xc3,0x43,0x42,0x97,0x55,0xb5,0x6a,0xbe,0x8e,0x6a,0x66};
00043 uint8_t HspBLE::accelerometerCharUUID[] = {0xe6,0xc9,0xda,0x1a,0x80,0x96,0x48,0xbc,0x83,0xa4,0x3f,0xca,0x38,0x37,0x05,0xaf};
00044 uint8_t HspBLE::heartrateCharUUID[] = {0x62,0x1a,0x00,0xe3,0xb0,0x93,0x46,0xbf,0xaa,0xdc,0xab,0xe4,0xc6,0x48,0xc5,0x69};
00045 uint8_t HspBLE::pressureCharUUID[] = {0x1d,0x8a,0x19,0x32,0xda,0x49,0x49,0xad,0x91,0xd8,0x80,0x08,0x32,0xe7,0xe9,0x40};
00046 uint8_t HspBLE::dataCharUUID[] = {0xaa,0x8a,0x19,0x32,0xda,0x49,0x49,0xad,0x91,0xd8,0x80,0x08,0x32,0xe7,0xe9,0x40};
00047 uint8_t HspBLE::commandCharUUID[] = {0x36,0xe5,0x5e,0x37,0x6b,0x5b,0x42,0x0b,0x91,0x07,0x0d,0x34,0xa0,0xe8,0x67,0x5a};
00048 
00049 
00050 /// define the BLE device name
00051 uint8_t HspBLE::deviceName[] = "MAXREFDES100";
00052 /// define the BLE serial number
00053 uint8_t HspBLE::serialNumber[] = {0x77, 0x22, 0x33, 0x45, 0x67, 0x89};
00054 /// define the BLE service UUID
00055 uint8_t HspBLE::envServiceUUID[] = {0x5c,0x6e,0x40,0xe8,0x3b,0x7f,0x42,0x86,0xa5,0x2f,0xda,0xec,0x46,0xab,0xe8,0x51};
00056 
00057 HspBLE *HspBLE::instance = NULL;
00058 
00059 /**
00060 * @brief Constructor that inits the BLE helper object
00061 * @param ble Pointer to the mbed BLE object
00062 */
00063 HspBLE::HspBLE(BLE *ble) {
00064   bluetoothLE = new BluetoothLE(ble, NUMBER_OF_CHARACTERISTICS);
00065   instance = this;
00066   notificationUpdateRoundRobin = 0;
00067 }
00068 
00069 /**
00070 * @brief Constructor that deletes the bluetoothLE object
00071 */
00072 HspBLE::~HspBLE(void) { delete bluetoothLE; }
00073 
00074 /**
00075 * @brief Initialize all of the HSP characteristics, initialize the ble service
00076 * and attach callbacks
00077 */
00078 void HspBLE::init(void) {
00079   uint8_t *serialNumberPtr;
00080   // uint8_t serialNumberBuffer[6];
00081   serialNumberPtr = MAX30001_Helper_getVersion();
00082   printf("MAX30001 Version = %02X:%02X:%02X:%02X:%02X:%02X...\n",
00083          serialNumberPtr[0], serialNumberPtr[1], serialNumberPtr[2],
00084          serialNumberPtr[3], serialNumberPtr[4], serialNumberPtr[5]);
00085   serialNumberPtr[3] = 0x00;
00086   serialNumberPtr[4] = 0x00;
00087   serialNumberPtr[5] = 0x03;
00088   printf("BLE DeviceID = %02X:%02X:%02X:%02X:%02X:%02X...\n",
00089          serialNumberPtr[0], serialNumberPtr[1], serialNumberPtr[2],
00090          serialNumberPtr[3], serialNumberPtr[4], serialNumberPtr[5]);
00091 
00092     bluetoothLE->addCharacteristic(new Characteristic(2 /* number of bytes */,temperatureTopCharUUID,GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY));
00093     bluetoothLE->addCharacteristic(new Characteristic(2 /* number of bytes */,temperatureBottomCharUUID,GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY));
00094     bluetoothLE->addCharacteristic(new Characteristic(6 /* number of bytes */,accelerometerCharUUID,GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY));
00095     bluetoothLE->addCharacteristic(new Characteristic(4 /* number of bytes */,heartrateCharUUID,GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY));
00096     bluetoothLE->addCharacteristic(new Characteristic(8 /* number of bytes */,pressureCharUUID,GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY));
00097     bluetoothLE->addCharacteristic(new Characteristic(32 /* number of bytes */,dataCharUUID,GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE));
00098     bluetoothLE->addCharacteristic(new Characteristic(1 /* number of bytes */,commandCharUUID,GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE));
00099     bluetoothLE->initService(serialNumberPtr, deviceName, sizeof(deviceName),envServiceUUID);
00100 
00101   bluetoothLE->onDataWritten(&HspBLE::_onDataWritten);
00102   ticker.attach(callback(this, &HspBLE::tickerHandler), 1);
00103 }
00104 
00105 void HspBLE::_onDataWritten(int index) {
00106   HspBLE::instance->onDataWritten(index);
00107 }
00108 
00109 /**
00110 * @brief Callback for written characteristics
00111 * @param index Index of whose characteristic is written to
00112 */
00113 void HspBLE::onDataWritten(int index) {
00114   int length;
00115   uint8_t *data;
00116   printf("onDataWritten ");
00117   if (index == CHARACTERISTIC_CMD) {
00118     data = bluetoothLE->getDataWritten(index, &length);
00119     if (length >= 1) {
00120             if (data[0] == 0x00) startDataLogging = false;
00121             if (data[0] == 0x01) startDataLogging = true;
00122             printf("onDataWritten index %d, data %02X, length %d ",index,data[0],length); fflush(stdout);
00123 
00124     }
00125   }
00126 }
00127 
00128 void HspBLE::pollSensor(int sensorId, uint8_t *data) {
00129 
00130   switch (sensorId) {
00131   case CHARACTERISTIC_TEMP_TOP: {
00132     uint16_t uShort;
00133     Peripherals::max30205_top()->readTemperature(&uShort);
00134     data[0] = HIGH_BYTE(uShort);
00135     data[1] = LOW_BYTE(uShort);
00136   } break;
00137   case CHARACTERISTIC_TEMP_BOTTOM: {
00138     uint16_t uShort;
00139     Peripherals::max30205_bottom()->readTemperature(&uShort);
00140     data[0] = HIGH_BYTE(uShort);
00141     data[1] = LOW_BYTE(uShort);
00142   } break;
00143   case CHARACTERISTIC_ACCELEROMETER: {
00144     unsigned int i;
00145     uint8_t *bytePtr;
00146     int16_t acclPtr[3];
00147     Peripherals::lis2dh()->get_motion_cached(&acclPtr[0], &acclPtr[1],
00148                                              &acclPtr[2]);
00149     bytePtr = reinterpret_cast<uint8_t *>(&acclPtr);
00150     for (i = 0; i < sizeof(acclPtr); i++)
00151       data[i] = bytePtr[i];
00152   } break;
00153   case CHARACTERISTIC_PRESSURE: {
00154     unsigned int i;
00155     uint8_t *bytePtr;
00156     float temperature;
00157     float pressure;
00158     Peripherals::bmp280()->ReadCompData(&temperature, &pressure);
00159     bytePtr = reinterpret_cast<uint8_t *>(&temperature);
00160     for (i = 0; i < sizeof(float); i++)
00161       data[i] = bytePtr[i];
00162     bytePtr = reinterpret_cast<uint8_t *>(&pressure);
00163     for (i = 0; i < sizeof(float); i++)
00164       data[i + sizeof(float)] = bytePtr[i];
00165   } break;
00166   case CHARACTERISTIC_HEARTRATE: {
00167     unsigned int i;
00168     uint8_t *bytePtr;
00169     MAX30001::max30001_bledata_t heartrateData;
00170     Peripherals::max30001()->ReadHeartrateData(&heartrateData);
00171     bytePtr = reinterpret_cast<uint8_t *>(&heartrateData);
00172     for (i = 0; i < sizeof(MAX30001::max30001_bledata_t); i++)
00173       data[i] = bytePtr[i];
00174   } break;
00175   }
00176 }
00177 
00178 bool HspBLE::getStartDataLogging(void) { return startDataLogging; }
00179 
00180 /**
00181 * @brief Timer Callback that updates all sensor characteristic notifications
00182 */
00183 void HspBLE::tickerHandler(void) {
00184   uint8_t data[8];
00185   if (bluetoothLE->isConnected()) {
00186     pollSensor(CHARACTERISTIC_TEMP_TOP, data);
00187     bluetoothLE->notifyCharacteristic(CHARACTERISTIC_TEMP_TOP, data);
00188     pollSensor(CHARACTERISTIC_TEMP_BOTTOM, data);
00189     bluetoothLE->notifyCharacteristic(CHARACTERISTIC_TEMP_BOTTOM, data);
00190     pollSensor(CHARACTERISTIC_ACCELEROMETER, data);
00191     bluetoothLE->notifyCharacteristic(CHARACTERISTIC_ACCELEROMETER, data);
00192     pollSensor(CHARACTERISTIC_HEARTRATE, data);
00193     bluetoothLE->notifyCharacteristic(CHARACTERISTIC_HEARTRATE, data);
00194     pollSensor(CHARACTERISTIC_PRESSURE, data);
00195     bluetoothLE->notifyCharacteristic(CHARACTERISTIC_PRESSURE, data);
00196   }
00197 }