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Dependencies: BLE_API mbed nRF51822
Fork of BLE_LED by
Diff: main.cpp
- Revision:
- 0:ed5c53845de7
- Child:
- 1:a84c3717aa5e
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Wed Feb 18 10:22:43 2015 +0000 @@ -0,0 +1,79 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2013 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "mbed.h" +#include "BLEDevice.h" +#include "LEDService.h" + +BLEDevice ble; +DigitalOut alivenessLED(LED1); +DigitalOut actuatedLED(LED2); + +const static char DEVICE_NAME[] = "LED"; +static const uint16_t uuid16_list[] = {LEDService::LED_SERVICE_UUID}; + +LEDService *ledServicePtr; + +void disconnectionCallback(Gap::Handle_t handle, Gap::DisconnectionReason_t reason) +{ + ble.startAdvertising(); +} + +void periodicCallback(void) +{ + alivenessLED = !alivenessLED; /* Do blinky on LED1 to indicate system aliveness. */ +} + +/** + * This callback allows the LEDService to receive updates to the ledState Characteristic. + * + * @param[in] params + * Information about the characterisitc being updated. + */ +void onDataWrittenCallback(const GattCharacteristicWriteCBParams *params) { + if ((params->charHandle == ledServicePtr->getValueHandle()) && (params->len == 1)) { + actuatedLED = *(params->data); + } +} + +int main(void) +{ + alivenessLED = 0; + actuatedLED = 0; + + Ticker ticker; + ticker.attach(periodicCallback, 1); + + ble.init(); + ble.onDisconnection(disconnectionCallback); + ble.onDataWritten(onDataWrittenCallback); + + bool initialValueForLEDCharacteristic = false; + LEDService ledService(ble, initialValueForLEDCharacteristic); + ledServicePtr = &ledService; + + /* setup advertising */ + ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); + ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list)); + ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME)); + ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); + ble.setAdvertisingInterval(Gap::MSEC_TO_ADVERTISEMENT_DURATION_UNITS(1000)); /* 1000ms. */ + ble.startAdvertising(); + + while (true) { + ble.waitForEvent(); + } +}