Using nRF51 as Line Beacon
Dependencies: BLE_API mbed nRF51822
Fork of BLE_GAP_Example by
main.cpp@1:0692bee84264, 2015-02-13 (annotated)
- Committer:
- mbedAustin
- Date:
- Fri Feb 13 20:59:53 2015 +0000
- Revision:
- 1:0692bee84264
- Parent:
- 0:5375be4301ed
- Child:
- 3:e9646631084f
Initial Commit of Evothings custom GAP example App
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbedAustin | 1:0692bee84264 | 1 | |
mbedAustin | 1:0692bee84264 | 2 | // Headers necessary for mbed and BLE device mode |
mbedAustin | 0:5375be4301ed | 3 | #include "mbed.h" |
mbedAustin | 0:5375be4301ed | 4 | #include "BLEDevice.h" |
mbedAustin | 0:5375be4301ed | 5 | |
mbedAustin | 1:0692bee84264 | 6 | // BLE object |
mbedAustin | 1:0692bee84264 | 7 | BLEDevice ble; |
mbedAustin | 0:5375be4301ed | 8 | |
mbedAustin | 1:0692bee84264 | 9 | /** |
mbedAustin | 1:0692bee84264 | 10 | You have up to 26 bytes of advertising data to use. |
mbedAustin | 1:0692bee84264 | 11 | Make up your own encoding for these 26bytes, send it across |
mbedAustin | 1:0692bee84264 | 12 | and decode it using the evothings app. |
mbedAustin | 1:0692bee84264 | 13 | */ |
mbedAustin | 1:0692bee84264 | 14 | const static uint8_t AdvData[] = {"ChangeThisData"}; // example of character data |
mbedAustin | 1:0692bee84264 | 15 | //const static uint8_t AdvData[] = {0x01,0x02,0x03,0x04,0x05}; // example of hex data |
mbedAustin | 1:0692bee84264 | 16 | |
mbedAustin | 1:0692bee84264 | 17 | // main program |
mbedAustin | 1:0692bee84264 | 18 | int main(void) |
mbedAustin | 0:5375be4301ed | 19 | { |
mbedAustin | 1:0692bee84264 | 20 | // Initialize BLE baselayer, always do this first! |
mbedAustin | 1:0692bee84264 | 21 | ble.init(); |
mbedAustin | 1:0692bee84264 | 22 | |
mbedAustin | 1:0692bee84264 | 23 | // Sacrifice 3B of 31B to Advertising Flags |
mbedAustin | 1:0692bee84264 | 24 | ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE ); |
mbedAustin | 1:0692bee84264 | 25 | |
mbedAustin | 1:0692bee84264 | 26 | // Sacrifice 2B of 31B to AdvType overhead, rest goes to AdvData array you define |
mbedAustin | 1:0692bee84264 | 27 | ble.accumulateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, AdvData, sizeof(AdvData)); |
mbedAustin | 1:0692bee84264 | 28 | |
mbedAustin | 1:0692bee84264 | 29 | // Set advertising interval. Longer interval = longer battery life |
mbedAustin | 1:0692bee84264 | 30 | ble.setAdvertisingType(GapAdvertisingParams::ADV_NON_CONNECTABLE_UNDIRECTED); |
mbedAustin | 1:0692bee84264 | 31 | ble.setAdvertisingInterval(160); // 100ms; in multiples of 0.625ms. |
mbedAustin | 1:0692bee84264 | 32 | ble.startAdvertising(); |
mbedAustin | 1:0692bee84264 | 33 | |
mbedAustin | 1:0692bee84264 | 34 | // Infinite loop waiting for BLE events |
mbedAustin | 1:0692bee84264 | 35 | for (;;) { |
mbedAustin | 1:0692bee84264 | 36 | ble.waitForEvent(); // this saves battery |
mbedAustin | 1:0692bee84264 | 37 | } |
mbedAustin | 1:0692bee84264 | 38 | } |