test 4
Dependencies: BLE_API mbed nRF51822
Fork of BLE_EvothingsExample_GATT by
main.cpp@7:f6814152873c, 2015-03-09 (annotated)
- Committer:
- mbedAustin
- Date:
- Mon Mar 09 15:25:43 2015 +0000
- Revision:
- 7:f6814152873c
- Parent:
- 6:97b22b5bfbb8
- Child:
- 8:60ede963dfe2
changed default name to match Evothings Example, added UUID's to braodcast in advertising packet
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 | #include "CustomService.h" |
mbedAustin | 1:94152e7d8b5c | 4 | |
mbedAustin | 1:94152e7d8b5c | 5 | |
mbedAustin | 1:94152e7d8b5c | 6 | // BLE object |
mbedAustin | 1:94152e7d8b5c | 7 | BLEDevice ble; |
mbedAustin | 1:94152e7d8b5c | 8 | |
mbedAustin | 1:94152e7d8b5c | 9 | // LED object |
mbedAustin | 1:94152e7d8b5c | 10 | DigitalOut led(LED1); |
mbedAustin | 1:94152e7d8b5c | 11 | |
mbedAustin | 7:f6814152873c | 12 | const static char DEVICE_NAME[] = "ChangeMe!!"; // change this |
mbedAustin | 7:f6814152873c | 13 | static const uint16_t uuid16_list[] = {0xFFFF}; //Custom UUID, FF is reserved for development |
mbedAustin | 1:94152e7d8b5c | 14 | |
mbedAustin | 2:e84c13abc479 | 15 | // Set Up Characteristics |
mbedAustin | 2:e84c13abc479 | 16 | static uint8_t readValue[1] = {0x00}; |
mbedAustin | 2:e84c13abc479 | 17 | GattCharacteristic readChar(0xAAAA /* read char UUID*/, readValue, sizeof(readValue), sizeof(readValue), |
mbedAustin | 2:e84c13abc479 | 18 | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY); |
mbedAustin | 2:e84c13abc479 | 19 | |
mbedAustin | 2:e84c13abc479 | 20 | static uint8_t writeValue[1] = {0x00}; |
mbedAustin | 2:e84c13abc479 | 21 | GattCharacteristic writeChar(0xBBBB /*write char UUID*/, writeValue, sizeof(writeValue), sizeof(writeValue), |
mbedAustin | 2:e84c13abc479 | 22 | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY); |
mbedAustin | 2:e84c13abc479 | 23 | |
mbedAustin | 2:e84c13abc479 | 24 | GattCharacteristic *characteristics[] = {&readChar, &writeChar}; |
mbedAustin | 2:e84c13abc479 | 25 | |
mbedAustin | 2:e84c13abc479 | 26 | // Set up custom service |
mbedAustin | 2:e84c13abc479 | 27 | GattService customService(0x221D /*Service UUID*/, characteristics, sizeof(characteristics) / sizeof(GattCharacteristic *)); |
mbedAustin | 2:e84c13abc479 | 28 | |
mbedAustin | 2:e84c13abc479 | 29 | |
mbedAustin | 1:94152e7d8b5c | 30 | // Restart advertising when phone app disconnects |
mbedAustin | 1:94152e7d8b5c | 31 | void disconnectionCallback(Gap::Handle_t handle, Gap::DisconnectionReason_t reason) |
mbedAustin | 1:94152e7d8b5c | 32 | { |
mbedAustin | 1:94152e7d8b5c | 33 | ble.startAdvertising(); // restart advertising |
mbedAustin | 1:94152e7d8b5c | 34 | } |
mbedAustin | 0:cd5b6733aeb1 | 35 | |
mbedAustin | 7:f6814152873c | 36 | // handle writes to writeCharacteristic |
mbedAustin | 4:7ef90665b399 | 37 | void writeCharCallback(const GattCharacteristicWriteCBParams *params) |
mbedAustin | 3:0fb60f81f693 | 38 | { |
mbedAustin | 5:d0548c64e2e7 | 39 | led = params->data[0]; |
mbedAustin | 5:d0548c64e2e7 | 40 | printf("LED Written To, value=%x",params->data[0]); |
mbedAustin | 6:97b22b5bfbb8 | 41 | // TODO: update the readChar value to match write char, or better yet give it an english value |
mbedAustin | 7:f6814152873c | 42 | // TODO: update with info from here : http://developer.mbed.org/forum/team-63-Bluetooth-Low-Energy-community/topic/5502/ |
mbedAustin | 3:0fb60f81f693 | 43 | } |
mbedAustin | 0:cd5b6733aeb1 | 44 | |
mbedAustin | 0:cd5b6733aeb1 | 45 | int |
mbedAustin | 0:cd5b6733aeb1 | 46 | main(void) |
mbedAustin | 0:cd5b6733aeb1 | 47 | { |
mbedAustin | 7:f6814152873c | 48 | led = 1; // turn LED off |
mbedAustin | 2:e84c13abc479 | 49 | ble.init(); |
mbedAustin | 2:e84c13abc479 | 50 | ble.onDisconnection(disconnectionCallback); |
mbedAustin | 4:7ef90665b399 | 51 | ble.onDataWritten(writeCharCallback); //TODO: this is not correct, figure out correct syntax |
mbedAustin | 2:e84c13abc479 | 52 | |
mbedAustin | 2:e84c13abc479 | 53 | /* setup advertising */ |
mbedAustin | 7:f6814152873c | 54 | ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); // BLE only, no classic BT |
mbedAustin | 7:f6814152873c | 55 | ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); // advertising type |
mbedAustin | 7:f6814152873c | 56 | ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME)); // add name |
mbedAustin | 7:f6814152873c | 57 | ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list)); // UUID's broadcast in advertising packet |
mbedAustin | 2:e84c13abc479 | 58 | ble.setAdvertisingInterval(160); /* 100ms; in multiples of 0.625ms. */ |
mbedAustin | 7:f6814152873c | 59 | |
mbedAustin | 2:e84c13abc479 | 60 | |
mbedAustin | 2:e84c13abc479 | 61 | ble.addService(customService); // Add our custom service to device |
mbedAustin | 2:e84c13abc479 | 62 | |
mbedAustin | 7:f6814152873c | 63 | ble.startAdvertising(); // start advertising |
mbedAustin | 2:e84c13abc479 | 64 | while (true) { |
mbedAustin | 2:e84c13abc479 | 65 | ble.waitForEvent(); //Save power |
mbedAustin | 2:e84c13abc479 | 66 | } |
mbedAustin | 2:e84c13abc479 | 67 | |
mbedAustin | 1:94152e7d8b5c | 68 | |
mbedAustin | 1:94152e7d8b5c | 69 | // TODO: impliment the rest of triggering for LED based on Write of characteristic. |
mbedAustin | 1:94152e7d8b5c | 70 | // TODO: impliment a read characteristic that sends text back to app |
mbedAustin | 1:94152e7d8b5c | 71 | // take a look at http://developer.mbed.org/teams/Bluetooth-Low-Energy/code/BLE_GroveColourSensor/file/000c8f8c7f03/main.cpp for inspiration. |
mbedAustin | 0:cd5b6733aeb1 | 72 | } |