Aura-Tech Solutions / Mbed 2 deprecated Connect_Test4

test 4

Dependencies:   BLE_API mbed nRF51822

Fork of BLE_EvothingsExample_GATT by Austin Blackstone

main.cpp@16:feee85aefb34, 2015-04-02 (annotated)

Committer:
mbedAustin
Date:
Thu Apr 02 17:23:10 2015 +0000
Revision:
16:feee85aefb34
Parent:
13:62b1d32745ac
Child:
17:dfe796bba97c
updated libraries

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
mbedAustin 1:94152e7d8b5c 4 BLEDevice ble;
mbedAustin 1:94152e7d8b5c 5 DigitalOut led(LED1);
mbedAustin 9:b33f42191584 6 uint16_t customServiceUUID = 0xA000;
mbedAustin 13:62b1d32745ac 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 16:feee85aefb34 74 ble.setAdvertisingInterval(0.1); // 100ms.
mbedAustin 2:e84c13abc479 75
mbedAustin 8:60ede963dfe2 76 // add our custom service
mbedAustin 13:62b1d32745ac 77 ble.addService(customService);
mbedAustin 2:e84c13abc479 78
mbedAustin 13:62b1d32745ac 79 // start advertising
mbedAustin 13:62b1d32745ac 80 ble.startAdvertising();
mbedAustin 9:b33f42191584 81
mbedAustin 9:b33f42191584 82 // infinite loop waiting for BLE interrupt events
mbedAustin 2:e84c13abc479 83 while (true) {
mbedAustin 2:e84c13abc479 84 ble.waitForEvent(); //Save power
mbedAustin 2:e84c13abc479 85 }
mbedAustin 8:60ede963dfe2 86 }