Simple example to demonstrate custom made BLE service and characteristics.

Fork of BLE_GATT_Example by Bluetooth Low Energy

Files at this revision

API Documentation at this revision

Comitter:
andresag
Date:
Tue Oct 20 13:48:13 2015 +0000
Parent:
20:fcc752d401ec
Child:
22:406127954d1f
Commit message:
Removed redundant .orig file.

Changed in this revision

main.cpp.orig Show diff for this revision Revisions of this file
--- a/main.cpp.orig	Tue Oct 20 13:46:23 2015 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,87 +0,0 @@
-#include "mbed.h"
-#include "ble/BLE.h"
-
-BLE ble;
-DigitalOut led(LED1, 1);
-uint16_t customServiceUUID  = 0xA000;
-uint16_t readCharUUID       = 0xA001;
-uint16_t writeCharUUID      = 0xA002;
-
-const static char     DEVICE_NAME[]        = "ChangeMe!!"; // change this
-static const uint16_t uuid16_list[]        = {0xFFFF}; //Custom UUID, FFFF is reserved for development
-
-// Set Up custom Characteristics
-static uint8_t readValue[10] = {0};
-ReadOnlyArrayGattCharacteristic<uint8_t, sizeof(readValue)> readChar(readCharUUID, readValue);
-
-static uint8_t writeValue[10] = {0};
-WriteOnlyArrayGattCharacteristic<uint8_t, sizeof(writeValue)> writeChar(writeCharUUID, writeValue);
-
-// Set up custom service
-GattCharacteristic *characteristics[] = {&readChar, &writeChar};
-GattService        customService(customServiceUUID, characteristics, sizeof(characteristics) / sizeof(GattCharacteristic *));
-
-
-/*
- *  Restart advertising when phone app disconnects
-*/
-void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *)
-{
-    ble.gap().startAdvertising();
-}
-
-/*
- *  handle writes to writeCharacteristic
-*/
-void writeCharCallback(const GattWriteCallbackParams *params)
-{
-    // check to see what characteristic was written, by handle
-    if(params->handle == writeChar.getValueHandle()) {
-        // toggle LED if only 1 byte is written
-        if(params->len == 1) {
-            led = params->data[0];
-            (params->data[0] == 0x00) ? printf("led on\n\r") : printf("led off\n\r"); // print led toggle
-        }
-        // print the data if more than 1 byte is written
-        else {
-            printf("Data received: length = %d, data = 0x",params->len);
-            for(int x=0; x < params->len; x++) {
-                printf("%x", params->data[x]);
-            }
-            printf("\n\r");
-        }
-        // update the readChar with the value of writeChar
-        ble.updateCharacteristicValue(readChar.getValueHandle(), params->data,params->len);
-    }
-}
-
-/*
- *  main loop
-*/
-int
-main(void)
-{
-    /* initialize stuff */
-    printf("\n\r********* Starting Main Loop *********\n\r");
-    ble.init();
-    ble.gap().onDisconnection(disconnectionCallback);
-    ble.gattServer().onDataWritten(writeCharCallback);
-
-    /* setup advertising */
-    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); // BLE only, no classic BT
-    ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); // advertising type
-    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME)); // add name
-    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list)); // UUID's broadcast in advertising packet
-    ble.gap().setAdvertisingInterval(100); // 100ms.
-
-    // add our custom service
-    ble.addService(customService);
-
-    // start advertising
-    ble.gap().startAdvertising();
-
-    // infinite loop waiting for BLE interrupt events
-    while (true) {
-        ble.waitForEvent(); //Save power
-    }
-}