Usama Saqib / Mbed 2 deprecated BLE_LED

test

Dependencies:   BLE_API mbed nRF51822

main.cpp@0:56269819b27d, 2016-06-10 (annotated)

Committer:
irtiq7
Date:
Fri Jun 10 15:48:48 2016 +0000
Revision:
0:56269819b27d
test

Who changed what in which revision?

UserRevisionLine numberNew contents of line
irtiq7 0:56269819b27d 1 /* mbed Microcontroller Library
irtiq7 0:56269819b27d 2 * Copyright (c) 2006-2013 ARM Limited
irtiq7 0:56269819b27d 3 *
irtiq7 0:56269819b27d 4 * Licensed under the Apache License, Version 2.0 (the "License");
irtiq7 0:56269819b27d 5 * you may not use this file except in compliance with the License.
irtiq7 0:56269819b27d 6 * You may obtain a copy of the License at
irtiq7 0:56269819b27d 7 *
irtiq7 0:56269819b27d 8 * http://www.apache.org/licenses/LICENSE-2.0
irtiq7 0:56269819b27d 9 *
irtiq7 0:56269819b27d 10 * Unless required by applicable law or agreed to in writing, software
irtiq7 0:56269819b27d 11 * distributed under the License is distributed on an "AS IS" BASIS,
irtiq7 0:56269819b27d 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
irtiq7 0:56269819b27d 13 * See the License for the specific language governing permissions and
irtiq7 0:56269819b27d 14 * limitations under the License.
irtiq7 0:56269819b27d 15 */
irtiq7 0:56269819b27d 16
irtiq7 0:56269819b27d 17 #include "mbed.h"
irtiq7 0:56269819b27d 18 #include "ble/BLE.h"
irtiq7 0:56269819b27d 19 #include "LEDService.h"
irtiq7 0:56269819b27d 20
irtiq7 0:56269819b27d 21 DigitalOut alivenessLED(LED1, 0);
irtiq7 0:56269819b27d 22 DigitalOut actuatedLED(LED2, 0);
irtiq7 0:56269819b27d 23
irtiq7 0:56269819b27d 24 const static char DEVICE_NAME[] = "LED";
irtiq7 0:56269819b27d 25 static const uint16_t uuid16_list[] = {LEDService::LED_SERVICE_UUID};
irtiq7 0:56269819b27d 26
irtiq7 0:56269819b27d 27 LEDService *ledServicePtr;
irtiq7 0:56269819b27d 28
irtiq7 0:56269819b27d 29 Ticker ticker;
irtiq7 0:56269819b27d 30
irtiq7 0:56269819b27d 31 void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
irtiq7 0:56269819b27d 32 {
irtiq7 0:56269819b27d 33 BLE::Instance().gap().startAdvertising();
irtiq7 0:56269819b27d 34 }
irtiq7 0:56269819b27d 35
irtiq7 0:56269819b27d 36 void periodicCallback(void)
irtiq7 0:56269819b27d 37 {
irtiq7 0:56269819b27d 38 alivenessLED = !alivenessLED; /* Do blinky on LED1 to indicate system aliveness. */
irtiq7 0:56269819b27d 39 }
irtiq7 0:56269819b27d 40
irtiq7 0:56269819b27d 41 /**
irtiq7 0:56269819b27d 42 * This callback allows the LEDService to receive updates to the ledState Characteristic.
irtiq7 0:56269819b27d 43 *
irtiq7 0:56269819b27d 44 * @param[in] params
irtiq7 0:56269819b27d 45 * Information about the characterisitc being updated.
irtiq7 0:56269819b27d 46 */
irtiq7 0:56269819b27d 47 void onDataWrittenCallback(const GattWriteCallbackParams *params) {
irtiq7 0:56269819b27d 48 if ((params->handle == ledServicePtr->getValueHandle()) && (params->len == 1)) {
irtiq7 0:56269819b27d 49 actuatedLED = *(params->data);
irtiq7 0:56269819b27d 50 }
irtiq7 0:56269819b27d 51 }
irtiq7 0:56269819b27d 52
irtiq7 0:56269819b27d 53 /**
irtiq7 0:56269819b27d 54 * This function is called when the ble initialization process has failed
irtiq7 0:56269819b27d 55 */
irtiq7 0:56269819b27d 56 void onBleInitError(BLE &ble, ble_error_t error)
irtiq7 0:56269819b27d 57 {
irtiq7 0:56269819b27d 58 /* Initialization error handling should go here */
irtiq7 0:56269819b27d 59 }
irtiq7 0:56269819b27d 60
irtiq7 0:56269819b27d 61 /**
irtiq7 0:56269819b27d 62 * Callback triggered when the ble initialization process has finished
irtiq7 0:56269819b27d 63 */
irtiq7 0:56269819b27d 64 void bleInitComplete(BLE::InitializationCompleteCallbackContext *params)
irtiq7 0:56269819b27d 65 {
irtiq7 0:56269819b27d 66 BLE& ble = params->ble;
irtiq7 0:56269819b27d 67 ble_error_t error = params->error;
irtiq7 0:56269819b27d 68
irtiq7 0:56269819b27d 69 if (error != BLE_ERROR_NONE) {
irtiq7 0:56269819b27d 70 /* In case of error, forward the error handling to onBleInitError */
irtiq7 0:56269819b27d 71 onBleInitError(ble, error);
irtiq7 0:56269819b27d 72 return;
irtiq7 0:56269819b27d 73 }
irtiq7 0:56269819b27d 74
irtiq7 0:56269819b27d 75 /* Ensure that it is the default instance of BLE */
irtiq7 0:56269819b27d 76 if(ble.getInstanceID() != BLE::DEFAULT_INSTANCE) {
irtiq7 0:56269819b27d 77 return;
irtiq7 0:56269819b27d 78 }
irtiq7 0:56269819b27d 79
irtiq7 0:56269819b27d 80 ble.gap().onDisconnection(disconnectionCallback);
irtiq7 0:56269819b27d 81 ble.gattServer().onDataWritten(onDataWrittenCallback);
irtiq7 0:56269819b27d 82
irtiq7 0:56269819b27d 83 bool initialValueForLEDCharacteristic = false;
irtiq7 0:56269819b27d 84 ledServicePtr = new LEDService(ble, initialValueForLEDCharacteristic);
irtiq7 0:56269819b27d 85
irtiq7 0:56269819b27d 86 /* setup advertising */
irtiq7 0:56269819b27d 87 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
irtiq7 0:56269819b27d 88 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list));
irtiq7 0:56269819b27d 89 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
irtiq7 0:56269819b27d 90 ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
irtiq7 0:56269819b27d 91 ble.gap().setAdvertisingInterval(1000); /* 1000ms. */
irtiq7 0:56269819b27d 92 ble.gap().startAdvertising();
irtiq7 0:56269819b27d 93 }
irtiq7 0:56269819b27d 94
irtiq7 0:56269819b27d 95 int main(void)
irtiq7 0:56269819b27d 96 {
irtiq7 0:56269819b27d 97 ticker.attach(periodicCallback, 1); /* Blink LED every second */
irtiq7 0:56269819b27d 98
irtiq7 0:56269819b27d 99 BLE &ble = BLE::Instance();
irtiq7 0:56269819b27d 100 ble.init(bleInitComplete);
irtiq7 0:56269819b27d 101
irtiq7 0:56269819b27d 102 /* SpinWait for initialization to complete. This is necessary because the
irtiq7 0:56269819b27d 103 * BLE object is used in the main loop below. */
irtiq7 0:56269819b27d 104 while (ble.hasInitialized() == false) { /* spin loop */ }
irtiq7 0:56269819b27d 105
irtiq7 0:56269819b27d 106 while (true) {
irtiq7 0:56269819b27d 107 ble.waitForEvent();
irtiq7 0:56269819b27d 108 }
irtiq7 0:56269819b27d 109 }