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Using nRF51 as Line Beacon
Dependencies: BLE_API mbed nRF51822
Fork of BLE_GAP_Example by
main.cpp@7:f9a2fa5b1d43, 2015-03-10 (annotated)
- Committer:
- mbedAustin
- Date:
- Tue Mar 10 22:42:14 2015 +0000
- Revision:
- 7:f9a2fa5b1d43
- Parent:
- 6:a7595838d240
- Child:
- 8:5442739198ec
changed default advertising data as most phones display it in hex, not ascii
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 | 5:fff16d283dcf | 9 | //const static char DEVICE_NAME[] = "ChangeMe!!"; // change this |
mbedAustin | 5:fff16d283dcf | 10 | |
mbedAustin | 1:0692bee84264 | 11 | /** |
mbedAustin | 1:0692bee84264 | 12 | You have up to 26 bytes of advertising data to use. |
mbedAustin | 1:0692bee84264 | 13 | Make up your own encoding for these 26bytes, send it across |
mbedAustin | 1:0692bee84264 | 14 | and decode it using the evothings app. |
mbedAustin | 1:0692bee84264 | 15 | */ |
mbedAustin | 7:f9a2fa5b1d43 | 16 | //const static uint8_t AdvData[] = {"ChangeThisData"}; // example of character data |
mbedAustin | 7:f9a2fa5b1d43 | 17 | const static uint8_t AdvData[] = {0x01,0x02,0x03,0x04,0x05}; // example of hex data |
mbedAustin | 1:0692bee84264 | 18 | |
mbedAustin | 1:0692bee84264 | 19 | // main program |
mbedAustin | 1:0692bee84264 | 20 | int main(void) |
mbedAustin | 0:5375be4301ed | 21 | { |
mbedAustin | 1:0692bee84264 | 22 | // Initialize BLE baselayer, always do this first! |
mbedAustin | 1:0692bee84264 | 23 | ble.init(); |
mbedAustin | 1:0692bee84264 | 24 | |
mbedAustin | 1:0692bee84264 | 25 | // Sacrifice 3B of 31B to Advertising Flags |
mbedAustin | 1:0692bee84264 | 26 | ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE ); |
mbedAustin | 4:d602b1c3aef4 | 27 | ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); |
mbedAustin | 1:0692bee84264 | 28 | |
mbedAustin | 1:0692bee84264 | 29 | // Sacrifice 2B of 31B to AdvType overhead, rest goes to AdvData array you define |
mbedAustin | 1:0692bee84264 | 30 | ble.accumulateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, AdvData, sizeof(AdvData)); |
mbedAustin | 5:fff16d283dcf | 31 | |
mbedAustin | 5:fff16d283dcf | 32 | // Add name to device |
mbedAustin | 5:fff16d283dcf | 33 | //ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME)); |
mbedAustin | 1:0692bee84264 | 34 | |
mbedAustin | 1:0692bee84264 | 35 | // Set advertising interval. Longer interval = longer battery life |
mbedAustin | 1:0692bee84264 | 36 | ble.setAdvertisingInterval(160); // 100ms; in multiples of 0.625ms. |
mbedAustin | 1:0692bee84264 | 37 | ble.startAdvertising(); |
mbedAustin | 1:0692bee84264 | 38 | |
mbedAustin | 1:0692bee84264 | 39 | // Infinite loop waiting for BLE events |
mbedAustin | 1:0692bee84264 | 40 | for (;;) { |
mbedAustin | 1:0692bee84264 | 41 | ble.waitForEvent(); // this saves battery |
mbedAustin | 1:0692bee84264 | 42 | } |
mbedAustin | 1:0692bee84264 | 43 | } |