George Edwards / Mbed 2 deprecated BLE_GATT_Example_OCT_15_LIBARY_COMPATIBLE

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 Bluetooth Low Energy

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?

UserRevisionLine numberNew 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 }