Minimal usage example of BLE API
Dependencies: BLE_API mbed nRF51822
Just a very simple and minimal BluetoothLE API 'Hello World' example.
Diff: main.cpp
- Revision:
- 2:4f0d8bf09690
- Parent:
- 1:b84d6e0b404e
--- a/main.cpp Wed Jan 28 17:44:09 2015 +0000 +++ b/main.cpp Mon Jan 18 11:13:31 2016 +0000 @@ -1,31 +1,50 @@ #include "mbed.h" -#include "BLEDevice.h" +#include "ble/BLE.h" -// DFUService is already included & automatically advertised by the mbed lib dependancies (currently) +// DFUService is already included & automatically advertised by the mbed lib dependancies const static char DEVICE_NAME[] = "HelloBlue"; BLEDevice ble; -void disconnectionCallback(Gap::Handle_t handle, Gap::DisconnectionReason_t reason) +void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params) +{ + BLE::Instance(BLE::DEFAULT_INSTANCE).gap().startAdvertising(); // restart advertising +} + +void bleInitComplete(BLE::InitializationCompleteCallbackContext *params) { - ble.startAdvertising(); // restart advertising + BLE &ble = params->ble; + ble_error_t error = params->error; + + if (error != BLE_ERROR_NONE) { + return; + } + + ble.gap().onDisconnection(disconnectionCallback); + + /* Setup advertising. */ + ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); + ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME)); + ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); + ble.gap().setAdvertisingInterval(1000); /* ms */ + ble.gap().startAdvertising(); } + int main(void) { - ble.init(); - ble.onDisconnection(disconnectionCallback); - - /* Setup advertising. */ - ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); - ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME)); - ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); - ble.setAdvertisingInterval(Gap::MSEC_TO_ADVERTISEMENT_DURATION_UNITS(1000)); - ble.startAdvertising(); + BLE& ble = BLE::Instance(BLE::DEFAULT_INSTANCE); + ble.init(bleInitComplete); - while (true) { - ble.waitForEvent(); + /* SpinWait for initialization to complete. This is necessary because the + * BLE object is used in the main loop below. */ + while (ble.hasInitialized() == false) { /* spin loop */ } + + while (1) + { + // to see if a Central device is currently connected you can call: ble.getGapState().connected + ble.waitForEvent(); // low power wait for event } }