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mbed First Project Code
Dependencies: BLE_API mbed nRF51822
main.cpp@0:05616fd393ff, 2016-05-29 (annotated)
- Committer:
- alanlan
- Date:
- Sun May 29 02:58:59 2016 +0000
- Revision:
- 0:05616fd393ff
Initial Version
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
alanlan | 0:05616fd393ff | 1 | /* mbed Microcontroller Library |
alanlan | 0:05616fd393ff | 2 | * Copyright (c) 2006-2013 ARM Limited |
alanlan | 0:05616fd393ff | 3 | * |
alanlan | 0:05616fd393ff | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
alanlan | 0:05616fd393ff | 5 | * you may not use this file except in compliance with the License. |
alanlan | 0:05616fd393ff | 6 | * You may obtain a copy of the License at |
alanlan | 0:05616fd393ff | 7 | * |
alanlan | 0:05616fd393ff | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
alanlan | 0:05616fd393ff | 9 | * |
alanlan | 0:05616fd393ff | 10 | * Unless required by applicable law or agreed to in writing, software |
alanlan | 0:05616fd393ff | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
alanlan | 0:05616fd393ff | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
alanlan | 0:05616fd393ff | 13 | * See the License for the specific language governing permissions and |
alanlan | 0:05616fd393ff | 14 | * limitations under the License. |
alanlan | 0:05616fd393ff | 15 | */ |
alanlan | 0:05616fd393ff | 16 | |
alanlan | 0:05616fd393ff | 17 | #include "mbed.h" |
alanlan | 0:05616fd393ff | 18 | #include "ble/BLE.h" |
alanlan | 0:05616fd393ff | 19 | |
alanlan | 0:05616fd393ff | 20 | #include "ble/services/UARTService.h" |
alanlan | 0:05616fd393ff | 21 | |
alanlan | 0:05616fd393ff | 22 | #define NEED_CONSOLE_OUTPUT 0 /* Set this if you need debug messages on the console; |
alanlan | 0:05616fd393ff | 23 | * it will have an impact on code-size and power consumption. */ |
alanlan | 0:05616fd393ff | 24 | |
alanlan | 0:05616fd393ff | 25 | #if NEED_CONSOLE_OUTPUT |
alanlan | 0:05616fd393ff | 26 | #define DEBUG(...) { printf(__VA_ARGS__); } |
alanlan | 0:05616fd393ff | 27 | #else |
alanlan | 0:05616fd393ff | 28 | #define DEBUG(...) /* nothing */ |
alanlan | 0:05616fd393ff | 29 | #endif /* #if NEED_CONSOLE_OUTPUT */ |
alanlan | 0:05616fd393ff | 30 | |
alanlan | 0:05616fd393ff | 31 | BLEDevice ble; |
alanlan | 0:05616fd393ff | 32 | DigitalOut led1(LED1); |
alanlan | 0:05616fd393ff | 33 | AnalogIn bat(p20); |
alanlan | 0:05616fd393ff | 34 | |
alanlan | 0:05616fd393ff | 35 | UARTService *uartServicePtr; |
alanlan | 0:05616fd393ff | 36 | |
alanlan | 0:05616fd393ff | 37 | void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params) |
alanlan | 0:05616fd393ff | 38 | { |
alanlan | 0:05616fd393ff | 39 | DEBUG("Disconnected!\n\r"); |
alanlan | 0:05616fd393ff | 40 | DEBUG("Restarting the advertising process\n\r"); |
alanlan | 0:05616fd393ff | 41 | ble.startAdvertising(); |
alanlan | 0:05616fd393ff | 42 | } |
alanlan | 0:05616fd393ff | 43 | |
alanlan | 0:05616fd393ff | 44 | void onDataWritten(const GattWriteCallbackParams *params) |
alanlan | 0:05616fd393ff | 45 | { |
alanlan | 0:05616fd393ff | 46 | if ((uartServicePtr != NULL) && (params->handle == uartServicePtr->getTXCharacteristicHandle())) { |
alanlan | 0:05616fd393ff | 47 | uint16_t bytesRead = params->len; |
alanlan | 0:05616fd393ff | 48 | DEBUG("received %u bytes\n\r", bytesRead); |
alanlan | 0:05616fd393ff | 49 | ble.updateCharacteristicValue(uartServicePtr->getRXCharacteristicHandle(), params->data, bytesRead); |
alanlan | 0:05616fd393ff | 50 | } |
alanlan | 0:05616fd393ff | 51 | } |
alanlan | 0:05616fd393ff | 52 | |
alanlan | 0:05616fd393ff | 53 | void periodicCallback(void) |
alanlan | 0:05616fd393ff | 54 | { |
alanlan | 0:05616fd393ff | 55 | led1 = !led1; |
alanlan | 0:05616fd393ff | 56 | } |
alanlan | 0:05616fd393ff | 57 | |
alanlan | 0:05616fd393ff | 58 | int main(void) |
alanlan | 0:05616fd393ff | 59 | { |
alanlan | 0:05616fd393ff | 60 | led1 = 1; |
alanlan | 0:05616fd393ff | 61 | Ticker ticker; |
alanlan | 0:05616fd393ff | 62 | ticker.attach(periodicCallback, 1); |
alanlan | 0:05616fd393ff | 63 | |
alanlan | 0:05616fd393ff | 64 | DEBUG("Initialising the nRF51822\n\r"); |
alanlan | 0:05616fd393ff | 65 | ble.init(); |
alanlan | 0:05616fd393ff | 66 | ble.onDisconnection(disconnectionCallback); |
alanlan | 0:05616fd393ff | 67 | ble.onDataWritten(onDataWritten); |
alanlan | 0:05616fd393ff | 68 | |
alanlan | 0:05616fd393ff | 69 | /* setup advertising */ |
alanlan | 0:05616fd393ff | 70 | ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED); |
alanlan | 0:05616fd393ff | 71 | ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); |
alanlan | 0:05616fd393ff | 72 | ble.accumulateAdvertisingPayload(GapAdvertisingData::SHORTENED_LOCAL_NAME, |
alanlan | 0:05616fd393ff | 73 | (const uint8_t *)"BLE UART", sizeof("BLE UART") - 1); |
alanlan | 0:05616fd393ff | 74 | ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS, |
alanlan | 0:05616fd393ff | 75 | (const uint8_t *)UARTServiceUUID_reversed, sizeof(UARTServiceUUID_reversed)); |
alanlan | 0:05616fd393ff | 76 | |
alanlan | 0:05616fd393ff | 77 | ble.setAdvertisingInterval(1000); /* 1000ms; in multiples of 0.625ms. */ |
alanlan | 0:05616fd393ff | 78 | ble.startAdvertising(); |
alanlan | 0:05616fd393ff | 79 | |
alanlan | 0:05616fd393ff | 80 | UARTService uartService(ble); |
alanlan | 0:05616fd393ff | 81 | uartServicePtr = &uartService; |
alanlan | 0:05616fd393ff | 82 | |
alanlan | 0:05616fd393ff | 83 | if (bat.read() != 0) |
alanlan | 0:05616fd393ff | 84 | { |
alanlan | 0:05616fd393ff | 85 | printf("%f", bat.read()); |
alanlan | 0:05616fd393ff | 86 | } |
alanlan | 0:05616fd393ff | 87 | |
alanlan | 0:05616fd393ff | 88 | while (true) { |
alanlan | 0:05616fd393ff | 89 | ble.waitForEvent(); |
alanlan | 0:05616fd393ff | 90 | } |
alanlan | 0:05616fd393ff | 91 | } |