void loop() {
// listen for BLE peripherals to connect:
BLECentral central = blePeripheral.central();
// if a central is connected to peripheral:
if (central) {
Serial.print("Connected to central: ");
// print the central's MAC address:
Serial.println(central.address());
// turn on the LED to indicate the connection:
digitalWrite(13, HIGH);
// check the heart rate measurement every 200ms
// as long as the central is still connected:
while (central.connected()) {
long currentMillis = millis();
// if 200ms have passed, check the heart rate measurement:
if (currentMillis - previousMillis >= 200) {
previousMillis = currentMillis;
updateHeartRate();
}
}
// when the central disconnects, turn off the LED:
digitalWrite(13, LOW);
Serial.print("Disconnected from central: ");
Serial.println(central.address());
}
}
static uint32_t updateBaseData(uint8_t datatype, uint32_t value)
{
if (datatype >= SPORTS_DATA_MAX)
return 0;
// if (datatype != 0)
// printf("updateBaseData(%u, %lu)\n", datatype, value);
uint32_t grids_mask = 0;
switch (datatype)
{
case SPORTS_TIME:
grids_mask |= (shiftval << GRID_WORKOUT);
base_data[datatype] = value; //the raw value must be updated at last
break;
case SPORTS_DISTANCE:
updateDistance(value, &grids_mask);
grids_mask |= (shiftval << GRID_DISTANCE);
base_data[SPORTS_TIME_LAST_GPS] = workout_time;
base_data[datatype] += value; //the raw value must be updated at last
break;
case SPORTS_HEARTRATE:
updateHeartRate(value, &grids_mask);
grids_mask |= (shiftval << GRID_HEARTRATE);
base_data[datatype] = value; //the raw value must be updated at last
break;
case SPORTS_SPEED:
if (value != 0xffffffff)
{
updateSpeed(value, &grids_mask);
grids_mask |= (shiftval << GRID_SPEED);
base_data[SPORTS_TIME_LAST_GPS] = workout_time;
base_data[datatype] = value; //the raw value must be updated at last
}
break;
case SPORTS_ALT:
if (value != 0xffffffff)
{
updateAlt(value, &grids_mask);
grids_mask |= (shiftval << GRID_ALTITUTE);
base_data[SPORTS_TIME_LAST_GPS] = workout_time;
base_data[datatype] = value; //the raw value must be updated at last
}
break;
case SPORTS_STEPS:
if (base_data[datatype] == 0)
{
base_data[SPORTS_PED_STEPS_START] = value;
base_data[datatype] = 1; //the raw value must be updated at last
}
else
{
base_data[datatype] = value - base_data[SPORTS_PED_STEPS_START]; //the raw value must be updated at last
}
grids_mask |= (shiftval << GRID_STEPS);
break;
case SPORTS_PED_SPEED:
updatePedSpeed(value, &grids_mask);
base_data[datatype] = value; //the raw value must be updated at last
break;
case SPORTS_PED_DISTANCE:
updatePedDist(value, &grids_mask);
base_data[datatype] = value; //the raw value must be updated at last
break;
case SPORTS_PED_CALORIES:
if (base_data[datatype] != 0)
{
if (value > base_data[datatype])
base_data[SPORTS_CALS] += (value - base_data[datatype]);
else
base_data[SPORTS_CALS] += value;
base_data[datatype] = value;
}
grids_mask |= (shiftval << GRID_CALS);
break;
default:
base_data[datatype] = value; //the raw value must be updated at last
break;
}
return grids_mask;
}
