This fork is functionally identical to the main path, but has been updated to reflect changes in the library APIs, so this code now builds straight "out of the box" without needing modifications
Dependencies: BLE_API mbed nRF51822
Fork of BLE_GATT_Example by
main.cpp@12:6d1f77d0cb37, 2015-03-17 (annotated)
- Committer:
- mbedAustin
- Date:
- Tue Mar 17 20:38:40 2015 +0000
- Revision:
- 12:6d1f77d0cb37
- Parent:
- 11:b59226338001
- Child:
- 13:62b1d32745ac
switched out characteristics with macros initializations and removed customservice.h;
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbedAustin | 0:cd5b6733aeb1 | 1 | #include "mbed.h" |
mbedAustin | 0:cd5b6733aeb1 | 2 | #include "BLEDevice.h" |
mbedAustin | 1:94152e7d8b5c | 3 | |
mbedAustin | 1:94152e7d8b5c | 4 | BLEDevice ble; |
mbedAustin | 1:94152e7d8b5c | 5 | DigitalOut led(LED1); |
mbedAustin | 9:b33f42191584 | 6 | uint16_t customServiceUUID = 0xA000; |
mbedAustin | 12:6d1f77d0cb37 | 7 | uint16_t readCharUUID = 0xA001; |
mbedAustin | 9:b33f42191584 | 8 | uint16_t writeCharUUID = 0xA002; |
mbedAustin | 1:94152e7d8b5c | 9 | |
mbedAustin | 7:f6814152873c | 10 | const static char DEVICE_NAME[] = "ChangeMe!!"; // change this |
mbedAustin | 8:60ede963dfe2 | 11 | static const uint16_t uuid16_list[] = {0xFFFF}; //Custom UUID, FFFF is reserved for development |
mbedAustin | 1:94152e7d8b5c | 12 | |
mbedAustin | 10:6acaa9f0ef85 | 13 | // Set Up custom Characteristics |
mbedAustin | 9:b33f42191584 | 14 | static uint8_t readValue[10] = {0}; |
mbedAustin | 12:6d1f77d0cb37 | 15 | ReadOnlyArrayGattCharacteristic<uint8_t, sizeof(readValue)> readChar(readCharUUID, readValue); |
mbedAustin | 2:e84c13abc479 | 16 | |
mbedAustin | 9:b33f42191584 | 17 | static uint8_t writeValue[10] = {0}; |
mbedAustin | 12:6d1f77d0cb37 | 18 | WriteOnlyArrayGattCharacteristic<uint8_t, sizeof(writeValue)> writeChar(writeCharUUID, writeValue); |
mbedAustin | 2:e84c13abc479 | 19 | |
mbedAustin | 2:e84c13abc479 | 20 | // Set up custom service |
mbedAustin | 8:60ede963dfe2 | 21 | GattCharacteristic *characteristics[] = {&readChar, &writeChar}; |
mbedAustin | 9:b33f42191584 | 22 | GattService customService(customServiceUUID, characteristics, sizeof(characteristics) / sizeof(GattCharacteristic *)); |
mbedAustin | 2:e84c13abc479 | 23 | |
mbedAustin | 2:e84c13abc479 | 24 | |
mbedAustin | 8:60ede963dfe2 | 25 | /* |
mbedAustin | 8:60ede963dfe2 | 26 | * Restart advertising when phone app disconnects |
mbedAustin | 8:60ede963dfe2 | 27 | */ |
mbedAustin | 1:94152e7d8b5c | 28 | void disconnectionCallback(Gap::Handle_t handle, Gap::DisconnectionReason_t reason) |
mbedAustin | 1:94152e7d8b5c | 29 | { |
mbedAustin | 8:60ede963dfe2 | 30 | ble.startAdvertising(); |
mbedAustin | 1:94152e7d8b5c | 31 | } |
mbedAustin | 0:cd5b6733aeb1 | 32 | |
mbedAustin | 8:60ede963dfe2 | 33 | /* |
mbedAustin | 8:60ede963dfe2 | 34 | * handle writes to writeCharacteristic |
mbedAustin | 8:60ede963dfe2 | 35 | */ |
mbedAustin | 4:7ef90665b399 | 36 | void writeCharCallback(const GattCharacteristicWriteCBParams *params) |
mbedAustin | 3:0fb60f81f693 | 37 | { |
mbedAustin | 8:60ede963dfe2 | 38 | // check to see what characteristic was written, by handle |
mbedAustin | 8:60ede963dfe2 | 39 | if(params->charHandle == writeChar.getValueHandle()) { |
mbedAustin | 8:60ede963dfe2 | 40 | // toggle LED if only 1 byte is written |
mbedAustin | 8:60ede963dfe2 | 41 | if(params->len == 1) { |
mbedAustin | 8:60ede963dfe2 | 42 | led = params->data[0]; |
mbedAustin | 11:b59226338001 | 43 | (params->data[0] == 0x00) ? printf("\n\rled on ") : printf("\n\rled off "); // print led toggle |
mbedAustin | 8:60ede963dfe2 | 44 | } |
mbedAustin | 8:60ede963dfe2 | 45 | // print the data if more than 1 byte is written |
mbedAustin | 8:60ede963dfe2 | 46 | else { |
mbedAustin | 11:b59226338001 | 47 | printf("\n\r Data received: length = %d, data = 0x",params->len); |
mbedAustin | 8:60ede963dfe2 | 48 | for(int x=0; x < params->len; x++) { |
mbedAustin | 8:60ede963dfe2 | 49 | printf("%x",params->data[x]); |
mbedAustin | 8:60ede963dfe2 | 50 | } |
mbedAustin | 8:60ede963dfe2 | 51 | } |
mbedAustin | 8:60ede963dfe2 | 52 | // update the readChar with the value of writeChar |
mbedAustin | 8:60ede963dfe2 | 53 | ble.updateCharacteristicValue(readChar.getValueHandle(),params->data,params->len); |
mbedAustin | 8:60ede963dfe2 | 54 | } |
mbedAustin | 3:0fb60f81f693 | 55 | } |
mbedAustin | 0:cd5b6733aeb1 | 56 | |
mbedAustin | 8:60ede963dfe2 | 57 | /* |
mbedAustin | 8:60ede963dfe2 | 58 | * main loop |
mbedAustin | 8:60ede963dfe2 | 59 | */ |
mbedAustin | 0:cd5b6733aeb1 | 60 | int |
mbedAustin | 0:cd5b6733aeb1 | 61 | main(void) |
mbedAustin | 0:cd5b6733aeb1 | 62 | { |
mbedAustin | 8:60ede963dfe2 | 63 | /* initialize stuff */ |
mbedAustin | 8:60ede963dfe2 | 64 | printf("\n\r********* Starting Main Loop *********\n\r"); |
mbedAustin | 2:e84c13abc479 | 65 | ble.init(); |
mbedAustin | 2:e84c13abc479 | 66 | ble.onDisconnection(disconnectionCallback); |
mbedAustin | 10:6acaa9f0ef85 | 67 | ble.onDataWritten(writeCharCallback); |
mbedAustin | 2:e84c13abc479 | 68 | |
mbedAustin | 2:e84c13abc479 | 69 | /* setup advertising */ |
mbedAustin | 7:f6814152873c | 70 | ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); // BLE only, no classic BT |
mbedAustin | 7:f6814152873c | 71 | ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); // advertising type |
mbedAustin | 7:f6814152873c | 72 | ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME)); // add name |
mbedAustin | 7:f6814152873c | 73 | ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list)); // UUID's broadcast in advertising packet |
mbedAustin | 2:e84c13abc479 | 74 | ble.setAdvertisingInterval(160); /* 100ms; in multiples of 0.625ms. */ |
mbedAustin | 2:e84c13abc479 | 75 | |
mbedAustin | 8:60ede963dfe2 | 76 | // add our custom service |
mbedAustin | 2:e84c13abc479 | 77 | ble.addService(customService); // Add our custom service to device |
mbedAustin | 2:e84c13abc479 | 78 | |
mbedAustin | 7:f6814152873c | 79 | ble.startAdvertising(); // start advertising |
mbedAustin | 9:b33f42191584 | 80 | |
mbedAustin | 9:b33f42191584 | 81 | // infinite loop waiting for BLE interrupt events |
mbedAustin | 2:e84c13abc479 | 82 | while (true) { |
mbedAustin | 2:e84c13abc479 | 83 | ble.waitForEvent(); //Save power |
mbedAustin | 2:e84c13abc479 | 84 | } |
mbedAustin | 8:60ede963dfe2 | 85 | } |