LED and Button for BLE workshop (TinyBLE)
Dependencies: BLE_API mbed nRF51822
Fork of BLE_LED by
main.cpp@1:a84c3717aa5e, 2015-03-24 (annotated)
- Committer:
- rgrover1
- Date:
- Tue Mar 24 08:10:57 2015 +0000
- Revision:
- 1:a84c3717aa5e
- Parent:
- 0:ed5c53845de7
- Child:
- 4:16e8c289c99e
updating underlying libraries.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
rgrover1 | 0:ed5c53845de7 | 1 | /* mbed Microcontroller Library |
rgrover1 | 0:ed5c53845de7 | 2 | * Copyright (c) 2006-2013 ARM Limited |
rgrover1 | 0:ed5c53845de7 | 3 | * |
rgrover1 | 0:ed5c53845de7 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
rgrover1 | 0:ed5c53845de7 | 5 | * you may not use this file except in compliance with the License. |
rgrover1 | 0:ed5c53845de7 | 6 | * You may obtain a copy of the License at |
rgrover1 | 0:ed5c53845de7 | 7 | * |
rgrover1 | 0:ed5c53845de7 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
rgrover1 | 0:ed5c53845de7 | 9 | * |
rgrover1 | 0:ed5c53845de7 | 10 | * Unless required by applicable law or agreed to in writing, software |
rgrover1 | 0:ed5c53845de7 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
rgrover1 | 0:ed5c53845de7 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
rgrover1 | 0:ed5c53845de7 | 13 | * See the License for the specific language governing permissions and |
rgrover1 | 0:ed5c53845de7 | 14 | * limitations under the License. |
rgrover1 | 0:ed5c53845de7 | 15 | */ |
rgrover1 | 0:ed5c53845de7 | 16 | |
rgrover1 | 0:ed5c53845de7 | 17 | #include "mbed.h" |
rgrover1 | 0:ed5c53845de7 | 18 | #include "BLEDevice.h" |
rgrover1 | 0:ed5c53845de7 | 19 | #include "LEDService.h" |
rgrover1 | 0:ed5c53845de7 | 20 | |
rgrover1 | 0:ed5c53845de7 | 21 | BLEDevice ble; |
rgrover1 | 0:ed5c53845de7 | 22 | DigitalOut alivenessLED(LED1); |
rgrover1 | 0:ed5c53845de7 | 23 | DigitalOut actuatedLED(LED2); |
rgrover1 | 0:ed5c53845de7 | 24 | |
rgrover1 | 0:ed5c53845de7 | 25 | const static char DEVICE_NAME[] = "LED"; |
rgrover1 | 0:ed5c53845de7 | 26 | static const uint16_t uuid16_list[] = {LEDService::LED_SERVICE_UUID}; |
rgrover1 | 0:ed5c53845de7 | 27 | |
rgrover1 | 0:ed5c53845de7 | 28 | LEDService *ledServicePtr; |
rgrover1 | 0:ed5c53845de7 | 29 | |
rgrover1 | 0:ed5c53845de7 | 30 | void disconnectionCallback(Gap::Handle_t handle, Gap::DisconnectionReason_t reason) |
rgrover1 | 0:ed5c53845de7 | 31 | { |
rgrover1 | 0:ed5c53845de7 | 32 | ble.startAdvertising(); |
rgrover1 | 0:ed5c53845de7 | 33 | } |
rgrover1 | 0:ed5c53845de7 | 34 | |
rgrover1 | 0:ed5c53845de7 | 35 | void periodicCallback(void) |
rgrover1 | 0:ed5c53845de7 | 36 | { |
rgrover1 | 0:ed5c53845de7 | 37 | alivenessLED = !alivenessLED; /* Do blinky on LED1 to indicate system aliveness. */ |
rgrover1 | 0:ed5c53845de7 | 38 | } |
rgrover1 | 0:ed5c53845de7 | 39 | |
rgrover1 | 0:ed5c53845de7 | 40 | /** |
rgrover1 | 0:ed5c53845de7 | 41 | * This callback allows the LEDService to receive updates to the ledState Characteristic. |
rgrover1 | 0:ed5c53845de7 | 42 | * |
rgrover1 | 0:ed5c53845de7 | 43 | * @param[in] params |
rgrover1 | 0:ed5c53845de7 | 44 | * Information about the characterisitc being updated. |
rgrover1 | 0:ed5c53845de7 | 45 | */ |
rgrover1 | 0:ed5c53845de7 | 46 | void onDataWrittenCallback(const GattCharacteristicWriteCBParams *params) { |
rgrover1 | 0:ed5c53845de7 | 47 | if ((params->charHandle == ledServicePtr->getValueHandle()) && (params->len == 1)) { |
rgrover1 | 0:ed5c53845de7 | 48 | actuatedLED = *(params->data); |
rgrover1 | 0:ed5c53845de7 | 49 | } |
rgrover1 | 0:ed5c53845de7 | 50 | } |
rgrover1 | 0:ed5c53845de7 | 51 | |
rgrover1 | 0:ed5c53845de7 | 52 | int main(void) |
rgrover1 | 0:ed5c53845de7 | 53 | { |
rgrover1 | 0:ed5c53845de7 | 54 | alivenessLED = 0; |
rgrover1 | 0:ed5c53845de7 | 55 | actuatedLED = 0; |
rgrover1 | 0:ed5c53845de7 | 56 | |
rgrover1 | 0:ed5c53845de7 | 57 | Ticker ticker; |
rgrover1 | 0:ed5c53845de7 | 58 | ticker.attach(periodicCallback, 1); |
rgrover1 | 0:ed5c53845de7 | 59 | |
rgrover1 | 0:ed5c53845de7 | 60 | ble.init(); |
rgrover1 | 0:ed5c53845de7 | 61 | ble.onDisconnection(disconnectionCallback); |
rgrover1 | 0:ed5c53845de7 | 62 | ble.onDataWritten(onDataWrittenCallback); |
rgrover1 | 0:ed5c53845de7 | 63 | |
rgrover1 | 0:ed5c53845de7 | 64 | bool initialValueForLEDCharacteristic = false; |
rgrover1 | 0:ed5c53845de7 | 65 | LEDService ledService(ble, initialValueForLEDCharacteristic); |
rgrover1 | 0:ed5c53845de7 | 66 | ledServicePtr = &ledService; |
rgrover1 | 0:ed5c53845de7 | 67 | |
rgrover1 | 0:ed5c53845de7 | 68 | /* setup advertising */ |
rgrover1 | 0:ed5c53845de7 | 69 | ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); |
rgrover1 | 0:ed5c53845de7 | 70 | ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list)); |
rgrover1 | 0:ed5c53845de7 | 71 | ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME)); |
rgrover1 | 0:ed5c53845de7 | 72 | ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); |
rgrover1 | 1:a84c3717aa5e | 73 | ble.setAdvertisingInterval(1000); /* 1000ms. */ |
rgrover1 | 0:ed5c53845de7 | 74 | ble.startAdvertising(); |
rgrover1 | 0:ed5c53845de7 | 75 | |
rgrover1 | 0:ed5c53845de7 | 76 | while (true) { |
rgrover1 | 0:ed5c53845de7 | 77 | ble.waitForEvent(); |
rgrover1 | 0:ed5c53845de7 | 78 | } |
rgrover1 | 0:ed5c53845de7 | 79 | } |