ble example
Dependencies: BLE_API mbed nRF51822
Fork of BLE_LEDBlinker by
Diff: main.cpp
- Revision:
- 1:1db45b17552e
- Parent:
- 0:415d7f24cb91
- Child:
- 2:3e1e967035cb
--- a/main.cpp Fri Jun 05 14:40:15 2015 +0000 +++ b/main.cpp Mon Jun 08 06:26:18 2015 +0000 @@ -22,7 +22,7 @@ BLEDevice ble; DigitalOut led1(LED1); -bool ledCharacteristicDiscovered = false; +bool triggerLedCharacteristic = false; DiscoveredCharacteristic ledCharacteristic; void periodicCallback(void) { @@ -55,9 +55,9 @@ void characteristicDiscoveryCallback(const DiscoveredCharacteristic *characteristicP) { printf(" C UUID-%x valueAttr[%u] props[%x]\r\n", characteristicP->getShortUUID(), characteristicP->getValueHandle(), (uint8_t)characteristicP->getProperties().broadcast()); - if (characteristicP->getShortUUID() == 0xa001) { - ledCharacteristic = *characteristicP; - ledCharacteristicDiscovered = true; + if (characteristicP->getShortUUID() == 0xa001) { /* !ALERT! Alter this filter to suit your device. */ + ledCharacteristic = *characteristicP; + triggerLedCharacteristic = true; } } @@ -113,8 +113,8 @@ ble.startScan(advertisementCallback); while (true) { - if (ledCharacteristicDiscovered && !ble.isServiceDiscoveryActive()) { - ledCharacteristicDiscovered = false; + if (triggerLedCharacteristic && !ble.isServiceDiscoveryActive()) { + triggerLedCharacteristic = false; ledCharacteristic.read(); /* We could have issued this read just as easily from * characteristicDiscoveryCallback(); but * this demonstrates the use of