Mert Kaya / Mbed 2 deprecated BLE_Touch_Signal

BLE code for touch signal

Dependencies:   BLE_API mbed nRF51822

Fork of BLE_GATT_Example by Bluetooth Low Energy

main.cpp@22:406127954d1f, 2015-11-09 (annotated)

Committer:
andresag
Date:
Mon Nov 09 17:08:47 2015 +0000
Revision:
22:406127954d1f
Parent:
20:fcc752d401ec
Child:
23:721f64d359ff
Update example to comply with initialisation changes in BLE API.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbedAustin 0:cd5b6733aeb1 1 #include "mbed.h"
andresag 19:477567297aac 2 #include "ble/BLE.h"
mbedAustin 1:94152e7d8b5c 3
andresag 19:477567297aac 4 DigitalOut led(LED1, 1);
mbedAustin 9:b33f42191584 5 uint16_t customServiceUUID = 0xA000;
mbedAustin 13:62b1d32745ac 6 uint16_t readCharUUID = 0xA001;
mbedAustin 9:b33f42191584 7 uint16_t writeCharUUID = 0xA002;
mbedAustin 1:94152e7d8b5c 8
mbedAustin 7:f6814152873c 9 const static char DEVICE_NAME[] = "ChangeMe!!"; // change this
mbedAustin 8:60ede963dfe2 10 static const uint16_t uuid16_list[] = {0xFFFF}; //Custom UUID, FFFF is reserved for development
mbedAustin 1:94152e7d8b5c 11
andresag 22:406127954d1f 12 /* Set Up custom Characteristics */
mbedAustin 9:b33f42191584 13 static uint8_t readValue[10] = {0};
mbedAustin 12:6d1f77d0cb37 14 ReadOnlyArrayGattCharacteristic<uint8_t, sizeof(readValue)> readChar(readCharUUID, readValue);
mbedAustin 2:e84c13abc479 15
mbedAustin 9:b33f42191584 16 static uint8_t writeValue[10] = {0};
mbedAustin 12:6d1f77d0cb37 17 WriteOnlyArrayGattCharacteristic<uint8_t, sizeof(writeValue)> writeChar(writeCharUUID, writeValue);
mbedAustin 2:e84c13abc479 18
andresag 22:406127954d1f 19 /* Set up custom service */
mbedAustin 8:60ede963dfe2 20 GattCharacteristic *characteristics[] = {&readChar, &writeChar};
mbedAustin 9:b33f42191584 21 GattService customService(customServiceUUID, characteristics, sizeof(characteristics) / sizeof(GattCharacteristic *));
mbedAustin 2:e84c13abc479 22
mbedAustin 2:e84c13abc479 23
mbedAustin 8:60ede963dfe2 24 /*
mbedAustin 8:60ede963dfe2 25 * Restart advertising when phone app disconnects
andresag 19:477567297aac 26 */
andresag 19:477567297aac 27 void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *)
mbedAustin 1:94152e7d8b5c 28 {
andresag 22:406127954d1f 29 BLE::Instance(BLE::DEFAULT_INSTANCE).gap().startAdvertising();
mbedAustin 1:94152e7d8b5c 30 }
mbedAustin 0:cd5b6733aeb1 31
andresag 19:477567297aac 32 /*
andresag 22:406127954d1f 33 * Handle writes to writeCharacteristic
mbedAustin 8:60ede963dfe2 34 */
melmon 18:7d89c4fba362 35 void writeCharCallback(const GattWriteCallbackParams *params)
mbedAustin 3:0fb60f81f693 36 {
andresag 22:406127954d1f 37 /* Check to see what characteristic was written, by handle */
melmon 18:7d89c4fba362 38 if(params->handle == writeChar.getValueHandle()) {
andresag 22:406127954d1f 39 /* toggle LED if only 1 byte is written */
mbedAustin 8:60ede963dfe2 40 if(params->len == 1) {
mbedAustin 8:60ede963dfe2 41 led = params->data[0];
andresag 19:477567297aac 42 (params->data[0] == 0x00) ? printf("led on\n\r") : printf("led off\n\r"); // print led toggle
mbedAustin 8:60ede963dfe2 43 }
andresag 22:406127954d1f 44 /* Print the data if more than 1 byte is written */
mbedAustin 8:60ede963dfe2 45 else {
andresag 19:477567297aac 46 printf("Data received: length = %d, data = 0x",params->len);
mbedAustin 8:60ede963dfe2 47 for(int x=0; x < params->len; x++) {
andresag 19:477567297aac 48 printf("%x", params->data[x]);
mbedAustin 8:60ede963dfe2 49 }
andresag 19:477567297aac 50 printf("\n\r");
mbedAustin 8:60ede963dfe2 51 }
andresag 22:406127954d1f 52 /* Update the readChar with the value of writeChar */
andresag 22:406127954d1f 53 BLE::Instance(BLE::DEFAULT_INSTANCE).gattServer().write(readChar.getValueHandle(), params->data, params->len);
mbedAustin 8:60ede963dfe2 54 }
mbedAustin 3:0fb60f81f693 55 }
andresag 22:406127954d1f 56 /*
andresag 22:406127954d1f 57 * Initialization callback
andresag 22:406127954d1f 58 */
andresag 22:406127954d1f 59 void bleInitComplete(BLE::InitializationCompleteCallbackContext *params)
andresag 22:406127954d1f 60 {
andresag 22:406127954d1f 61 BLE &ble = params->ble;
andresag 22:406127954d1f 62 ble_error_t error = params->error;
andresag 22:406127954d1f 63
andresag 22:406127954d1f 64 if (error != BLE_ERROR_NONE) {
andresag 22:406127954d1f 65 return;
andresag 22:406127954d1f 66 }
mbedAustin 0:cd5b6733aeb1 67
andresag 19:477567297aac 68 ble.gap().onDisconnection(disconnectionCallback);
andresag 19:477567297aac 69 ble.gattServer().onDataWritten(writeCharCallback);
mbedAustin 2:e84c13abc479 70
andresag 22:406127954d1f 71 /* Setup advertising */
andresag 19:477567297aac 72 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); // BLE only, no classic BT
andresag 19:477567297aac 73 ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); // advertising type
andresag 19:477567297aac 74 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME)); // add name
andresag 19:477567297aac 75 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list)); // UUID's broadcast in advertising packet
andresag 19:477567297aac 76 ble.gap().setAdvertisingInterval(100); // 100ms.
mbedAustin 2:e84c13abc479 77
andresag 22:406127954d1f 78 /* Add our custom service */
mbedAustin 13:62b1d32745ac 79 ble.addService(customService);
mbedAustin 2:e84c13abc479 80
andresag 22:406127954d1f 81 /* Start advertising */
andresag 19:477567297aac 82 ble.gap().startAdvertising();
andresag 22:406127954d1f 83 }
andresag 19:477567297aac 84
andresag 22:406127954d1f 85 /*
andresag 22:406127954d1f 86 * Main loop
andresag 22:406127954d1f 87 */
andresag 22:406127954d1f 88 int main(void)
andresag 22:406127954d1f 89 {
andresag 22:406127954d1f 90 /* initialize stuff */
andresag 22:406127954d1f 91 printf("\n\r********* Starting Main Loop *********\n\r");
andresag 22:406127954d1f 92
andresag 22:406127954d1f 93 BLE& ble = BLE::Instance(BLE::DEFAULT_INSTANCE);
andresag 22:406127954d1f 94 ble.init(bleInitComplete);
andresag 22:406127954d1f 95
andresag 22:406127954d1f 96 /* SpinWait for initialization to complete. This is necessary because the
andresag 22:406127954d1f 97 * BLE object is used in the main loop below. */
andresag 22:406127954d1f 98 while (ble.hasInitialized() == false) { /* spin loop */ }
andresag 22:406127954d1f 99
andresag 22:406127954d1f 100 /* Infinite loop waiting for BLE interrupt events */
mbedAustin 2:e84c13abc479 101 while (true) {
andresag 22:406127954d1f 102 ble.waitForEvent(); /* Save power */
mbedAustin 2:e84c13abc479 103 }
andresag 20:fcc752d401ec 104 }