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@10:6acaa9f0ef85, 2015-03-10 (annotated)

Committer:
mbedAustin
Date:
Tue Mar 10 15:11:10 2015 +0000
Revision:
10:6acaa9f0ef85
Parent:
9:b33f42191584
Child:
11:b59226338001
Finished for Alpha Release

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 BLEDevice ble;
mbedAustin 1:94152e7d8b5c 6 DigitalOut led(LED1);
mbedAustin 9:b33f42191584 7 uint16_t customServiceUUID = 0xA000;
mbedAustin 9:b33f42191584 8 uint16_t reachCharUUID = 0xA001;
mbedAustin 9:b33f42191584 9 uint16_t writeCharUUID = 0xA002;
mbedAustin 1:94152e7d8b5c 10
mbedAustin 7:f6814152873c 11 const static char DEVICE_NAME[] = "ChangeMe!!"; // change this
mbedAustin 8:60ede963dfe2 12 static const uint16_t uuid16_list[] = {0xFFFF}; //Custom UUID, FFFF is reserved for development
mbedAustin 1:94152e7d8b5c 13
mbedAustin 10:6acaa9f0ef85 14 // Set Up custom Characteristics
mbedAustin 9:b33f42191584 15 static uint8_t readValue[10] = {0};
mbedAustin 9:b33f42191584 16 GattCharacteristic readChar(reachCharUUID, readValue, sizeof(readValue), sizeof(readValue),
mbedAustin 8:60ede963dfe2 17 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY);
mbedAustin 2:e84c13abc479 18
mbedAustin 9:b33f42191584 19 static uint8_t writeValue[10] = {0};
mbedAustin 9:b33f42191584 20 GattCharacteristic writeChar(writeCharUUID, writeValue, sizeof(writeValue), sizeof(writeValue),
mbedAustin 8:60ede963dfe2 21 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY);
mbedAustin 2:e84c13abc479 22
mbedAustin 2:e84c13abc479 23 // Set up custom service
mbedAustin 8:60ede963dfe2 24 GattCharacteristic *characteristics[] = {&readChar, &writeChar};
mbedAustin 9:b33f42191584 25 GattService customService(customServiceUUID, characteristics, sizeof(characteristics) / sizeof(GattCharacteristic *));
mbedAustin 2:e84c13abc479 26
mbedAustin 2:e84c13abc479 27
mbedAustin 8:60ede963dfe2 28 /*
mbedAustin 8:60ede963dfe2 29 * Restart advertising when phone app disconnects
mbedAustin 8:60ede963dfe2 30 */
mbedAustin 1:94152e7d8b5c 31 void disconnectionCallback(Gap::Handle_t handle, Gap::DisconnectionReason_t reason)
mbedAustin 1:94152e7d8b5c 32 {
mbedAustin 8:60ede963dfe2 33 ble.startAdvertising();
mbedAustin 1:94152e7d8b5c 34 }
mbedAustin 0:cd5b6733aeb1 35
mbedAustin 8:60ede963dfe2 36 /*
mbedAustin 8:60ede963dfe2 37 * handle writes to writeCharacteristic
mbedAustin 8:60ede963dfe2 38 */
mbedAustin 4:7ef90665b399 39 void writeCharCallback(const GattCharacteristicWriteCBParams *params)
mbedAustin 3:0fb60f81f693 40 {
mbedAustin 8:60ede963dfe2 41 // check to see what characteristic was written, by handle
mbedAustin 8:60ede963dfe2 42 if(params->charHandle == writeChar.getValueHandle()) {
mbedAustin 8:60ede963dfe2 43 // toggle LED if only 1 byte is written
mbedAustin 8:60ede963dfe2 44 if(params->len == 1) {
mbedAustin 8:60ede963dfe2 45 led = params->data[0];
mbedAustin 8:60ede963dfe2 46 }
mbedAustin 8:60ede963dfe2 47 // print the data if more than 1 byte is written
mbedAustin 8:60ede963dfe2 48 else {
mbedAustin 10:6acaa9f0ef85 49 printf("0x");
mbedAustin 8:60ede963dfe2 50 for(int x=0; x < params->len; x++) {
mbedAustin 8:60ede963dfe2 51 printf("%x",params->data[x]);
mbedAustin 8:60ede963dfe2 52 }
mbedAustin 8:60ede963dfe2 53 printf("\n\r"); // print newline
mbedAustin 8:60ede963dfe2 54 }
mbedAustin 8:60ede963dfe2 55 // update the readChar with the value of writeChar
mbedAustin 8:60ede963dfe2 56 ble.updateCharacteristicValue(readChar.getValueHandle(),params->data,params->len);
mbedAustin 8:60ede963dfe2 57 }
mbedAustin 3:0fb60f81f693 58 }
mbedAustin 0:cd5b6733aeb1 59
mbedAustin 8:60ede963dfe2 60 /*
mbedAustin 8:60ede963dfe2 61 * main loop
mbedAustin 8:60ede963dfe2 62 */
mbedAustin 0:cd5b6733aeb1 63 int
mbedAustin 0:cd5b6733aeb1 64 main(void)
mbedAustin 0:cd5b6733aeb1 65 {
mbedAustin 8:60ede963dfe2 66 /* initialize stuff */
mbedAustin 8:60ede963dfe2 67 printf("\n\r********* Starting Main Loop *********\n\r");
mbedAustin 2:e84c13abc479 68 ble.init();
mbedAustin 2:e84c13abc479 69 ble.onDisconnection(disconnectionCallback);
mbedAustin 10:6acaa9f0ef85 70 ble.onDataWritten(writeCharCallback);
mbedAustin 2:e84c13abc479 71
mbedAustin 2:e84c13abc479 72 /* setup advertising */
mbedAustin 7:f6814152873c 73 ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); // BLE only, no classic BT
mbedAustin 7:f6814152873c 74 ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); // advertising type
mbedAustin 7:f6814152873c 75 ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME)); // add name
mbedAustin 7:f6814152873c 76 ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list)); // UUID's broadcast in advertising packet
mbedAustin 2:e84c13abc479 77 ble.setAdvertisingInterval(160); /* 100ms; in multiples of 0.625ms. */
mbedAustin 2:e84c13abc479 78
mbedAustin 8:60ede963dfe2 79 // add our custom service
mbedAustin 2:e84c13abc479 80 ble.addService(customService); // Add our custom service to device
mbedAustin 2:e84c13abc479 81
mbedAustin 7:f6814152873c 82 ble.startAdvertising(); // start advertising
mbedAustin 9:b33f42191584 83
mbedAustin 9:b33f42191584 84 // infinite loop waiting for BLE interrupt events
mbedAustin 2:e84c13abc479 85 while (true) {
mbedAustin 2:e84c13abc479 86 ble.waitForEvent(); //Save power
mbedAustin 2:e84c13abc479 87 }
mbedAustin 8:60ede963dfe2 88 }