A template for applications where some small amount of data needs to be notified to a phone app over BLE. It is a good starting point for notifications.

Dependencies:   BLE_API mbed nRF51822

Fork of BLE_Button by Bluetooth Low Energy

Committer:
rgrover1
Date:
Tue Mar 24 08:13:56 2015 +0000
Revision:
2:84dd6d29bc59
Parent:
0:28f095301cb2
Child:
5:43a3ab27f2e4
updating underlying libraries.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rgrover1 0:28f095301cb2 1 /* mbed Microcontroller Library
rgrover1 0:28f095301cb2 2 * Copyright (c) 2006-2013 ARM Limited
rgrover1 0:28f095301cb2 3 *
rgrover1 0:28f095301cb2 4 * Licensed under the Apache License, Version 2.0 (the "License");
rgrover1 0:28f095301cb2 5 * you may not use this file except in compliance with the License.
rgrover1 0:28f095301cb2 6 * You may obtain a copy of the License at
rgrover1 0:28f095301cb2 7 *
rgrover1 0:28f095301cb2 8 * http://www.apache.org/licenses/LICENSE-2.0
rgrover1 0:28f095301cb2 9 *
rgrover1 0:28f095301cb2 10 * Unless required by applicable law or agreed to in writing, software
rgrover1 0:28f095301cb2 11 * distributed under the License is distributed on an "AS IS" BASIS,
rgrover1 0:28f095301cb2 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
rgrover1 0:28f095301cb2 13 * See the License for the specific language governing permissions and
rgrover1 0:28f095301cb2 14 * limitations under the License.
rgrover1 0:28f095301cb2 15 */
rgrover1 0:28f095301cb2 16
rgrover1 0:28f095301cb2 17 #include "mbed.h"
rgrover1 0:28f095301cb2 18 #include "BLEDevice.h"
rgrover1 0:28f095301cb2 19 #include "ButtonService.h"
rgrover1 0:28f095301cb2 20
rgrover1 0:28f095301cb2 21 BLEDevice ble;
rgrover1 0:28f095301cb2 22 DigitalOut led1(LED1);
rgrover1 0:28f095301cb2 23 InterruptIn button(BUTTON1);
rgrover1 0:28f095301cb2 24
rgrover1 0:28f095301cb2 25 const static char DEVICE_NAME[] = "Button";
rgrover1 0:28f095301cb2 26 static const uint16_t uuid16_list[] = {ButtonService::BUTTON_SERVICE_UUID};
rgrover1 0:28f095301cb2 27
rgrover1 0:28f095301cb2 28 ButtonService *buttonServicePtr;
rgrover1 0:28f095301cb2 29
rgrover1 0:28f095301cb2 30 void buttonPressedCallback(void)
rgrover1 0:28f095301cb2 31 {
rgrover1 0:28f095301cb2 32 buttonServicePtr->updateButtonState(true);
rgrover1 0:28f095301cb2 33 }
rgrover1 0:28f095301cb2 34
rgrover1 0:28f095301cb2 35 void buttonReleasedCallback(void)
rgrover1 0:28f095301cb2 36 {
rgrover1 0:28f095301cb2 37 buttonServicePtr->updateButtonState(false);
rgrover1 0:28f095301cb2 38 }
rgrover1 0:28f095301cb2 39
rgrover1 0:28f095301cb2 40 void disconnectionCallback(Gap::Handle_t handle, Gap::DisconnectionReason_t reason)
rgrover1 0:28f095301cb2 41 {
rgrover1 0:28f095301cb2 42 ble.startAdvertising();
rgrover1 0:28f095301cb2 43 }
rgrover1 0:28f095301cb2 44
rgrover1 0:28f095301cb2 45 void periodicCallback(void)
rgrover1 0:28f095301cb2 46 {
rgrover1 0:28f095301cb2 47 led1 = !led1; /* Do blinky on LED1 to indicate system aliveness. */
rgrover1 0:28f095301cb2 48 }
rgrover1 0:28f095301cb2 49
rgrover1 0:28f095301cb2 50 int main(void)
rgrover1 0:28f095301cb2 51 {
rgrover1 0:28f095301cb2 52 led1 = 1;
rgrover1 0:28f095301cb2 53 Ticker ticker;
rgrover1 0:28f095301cb2 54 ticker.attach(periodicCallback, 1);
rgrover1 0:28f095301cb2 55 button.fall(buttonPressedCallback);
rgrover1 0:28f095301cb2 56 button.rise(buttonReleasedCallback);
rgrover1 0:28f095301cb2 57
rgrover1 0:28f095301cb2 58 ble.init();
rgrover1 0:28f095301cb2 59 ble.onDisconnection(disconnectionCallback);
rgrover1 0:28f095301cb2 60
rgrover1 0:28f095301cb2 61 ButtonService buttonService(ble, false /* initial value for button pressed */);
rgrover1 0:28f095301cb2 62 buttonServicePtr = &buttonService;
rgrover1 0:28f095301cb2 63
rgrover1 0:28f095301cb2 64 /* setup advertising */
rgrover1 0:28f095301cb2 65 ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
rgrover1 0:28f095301cb2 66 ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list));
rgrover1 0:28f095301cb2 67 ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
rgrover1 0:28f095301cb2 68 ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
rgrover1 2:84dd6d29bc59 69 ble.setAdvertisingInterval(1000); /* 1000ms. */
rgrover1 0:28f095301cb2 70 ble.startAdvertising();
rgrover1 0:28f095301cb2 71
rgrover1 0:28f095301cb2 72 while (true) {
rgrover1 0:28f095301cb2 73 ble.waitForEvent();
rgrover1 0:28f095301cb2 74 }
rgrover1 0:28f095301cb2 75 }