dfrobot
Dependencies: BLE_API mbed nRF51822
Dependents: BLE_UART_LCD_Batt_DevInfo
Fork of BLE_LoopbackUART by
main.cpp@9:7b3841a91548, 2014-10-31 (annotated)
- Committer:
- jimaobian
- Date:
- Fri Oct 31 07:55:37 2014 +0000
- Revision:
- 9:7b3841a91548
- Parent:
- 6:e0fc9072e853
cup
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
yihui | 0:e910d9bb040f | 1 | /* mbed Microcontroller Library |
yihui | 0:e910d9bb040f | 2 | * Copyright (c) 2006-2013 ARM Limited |
yihui | 0:e910d9bb040f | 3 | * |
yihui | 0:e910d9bb040f | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
yihui | 0:e910d9bb040f | 5 | * you may not use this file except in compliance with the License. |
yihui | 0:e910d9bb040f | 6 | * You may obtain a copy of the License at |
yihui | 0:e910d9bb040f | 7 | * |
yihui | 0:e910d9bb040f | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
yihui | 0:e910d9bb040f | 9 | * |
yihui | 0:e910d9bb040f | 10 | * Unless required by applicable law or agreed to in writing, software |
yihui | 0:e910d9bb040f | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
yihui | 0:e910d9bb040f | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
yihui | 0:e910d9bb040f | 13 | * See the License for the specific language governing permissions and |
yihui | 0:e910d9bb040f | 14 | * limitations under the License. |
yihui | 0:e910d9bb040f | 15 | */ |
yihui | 0:e910d9bb040f | 16 | |
yihui | 0:e910d9bb040f | 17 | #include "mbed.h" |
Rohit Grover |
2:e060367b9024 | 18 | #include "BLEDevice.h" |
yihui | 0:e910d9bb040f | 19 | |
rgrover1 | 6:e0fc9072e853 | 20 | #include "UARTService.h" |
yihui | 0:e910d9bb040f | 21 | |
jimaobian | 9:7b3841a91548 | 22 | #define NEED_CONSOLE_OUTPUT 1 /* Set this if you need debug messages on the console; |
Rohit Grover |
2:e060367b9024 | 23 | * it will have an impact on code-size and power consumption. */ |
yihui | 0:e910d9bb040f | 24 | |
Rohit Grover |
2:e060367b9024 | 25 | #if NEED_CONSOLE_OUTPUT |
rgrover1 | 6:e0fc9072e853 | 26 | #define DEBUG(...) { printf(__VA_ARGS__); } |
yihui | 0:e910d9bb040f | 27 | #else |
Rohit Grover |
2:e060367b9024 | 28 | #define DEBUG(...) /* nothing */ |
Rohit Grover |
2:e060367b9024 | 29 | #endif /* #if NEED_CONSOLE_OUTPUT */ |
yihui | 0:e910d9bb040f | 30 | |
Rohit Grover |
2:e060367b9024 | 31 | BLEDevice ble; |
Rohit Grover |
2:e060367b9024 | 32 | DigitalOut led1(LED1); |
jimaobian | 9:7b3841a91548 | 33 | DigitalOut led2(LED2); |
jimaobian | 9:7b3841a91548 | 34 | Timer timer; |
yihui | 0:e910d9bb040f | 35 | |
rgrover1 | 6:e0fc9072e853 | 36 | UARTService *uartServicePtr; |
yihui | 0:e910d9bb040f | 37 | |
rgrover1 | 5:4bc41267a03a | 38 | void disconnectionCallback(Gap::Handle_t handle, Gap::DisconnectionReason_t reason) |
yihui | 0:e910d9bb040f | 39 | { |
Rohit Grover |
2:e060367b9024 | 40 | DEBUG("Disconnected!\n\r"); |
Rohit Grover |
2:e060367b9024 | 41 | DEBUG("Restarting the advertising process\n\r"); |
Rohit Grover |
2:e060367b9024 | 42 | ble.startAdvertising(); |
Rohit Grover |
2:e060367b9024 | 43 | } |
yihui | 0:e910d9bb040f | 44 | |
rgrover1 | 6:e0fc9072e853 | 45 | void onDataWritten(const GattCharacteristicWriteCBParams *params) |
yihui | 0:e910d9bb040f | 46 | { |
rgrover1 | 6:e0fc9072e853 | 47 | if ((uartServicePtr != NULL) && (params->charHandle == uartServicePtr->getTXCharacteristicHandle())) { |
rgrover1 | 5:4bc41267a03a | 48 | uint16_t bytesRead = params->len; |
rgrover1 | 5:4bc41267a03a | 49 | DEBUG("received %u bytes\n\r", bytesRead); |
rgrover1 | 6:e0fc9072e853 | 50 | ble.updateCharacteristicValue(uartServicePtr->getRXCharacteristicHandle(), params->data, bytesRead); |
yihui | 0:e910d9bb040f | 51 | } |
Rohit Grover |
2:e060367b9024 | 52 | } |
yihui | 0:e910d9bb040f | 53 | |
Rohit Grover |
2:e060367b9024 | 54 | void periodicCallback(void) |
Rohit Grover |
2:e060367b9024 | 55 | { |
rgrover1 | 6:e0fc9072e853 | 56 | led1 = !led1; |
Rohit Grover |
2:e060367b9024 | 57 | } |
yihui | 0:e910d9bb040f | 58 | |
yihui | 0:e910d9bb040f | 59 | int main(void) |
yihui | 0:e910d9bb040f | 60 | { |
jimaobian | 9:7b3841a91548 | 61 | |
jimaobian | 9:7b3841a91548 | 62 | |
jimaobian | 9:7b3841a91548 | 63 | timer.start(); |
jimaobian | 9:7b3841a91548 | 64 | |
Rohit Grover |
2:e060367b9024 | 65 | led1 = 1; |
Rohit Grover |
2:e060367b9024 | 66 | Ticker ticker; |
Rohit Grover |
2:e060367b9024 | 67 | ticker.attach(periodicCallback, 1); |
yihui | 0:e910d9bb040f | 68 | |
Rohit Grover |
2:e060367b9024 | 69 | DEBUG("Initialising the nRF51822\n\r"); |
Rohit Grover |
2:e060367b9024 | 70 | ble.init(); |
Rohit Grover |
2:e060367b9024 | 71 | ble.onDisconnection(disconnectionCallback); |
Rohit Grover |
2:e060367b9024 | 72 | ble.onDataWritten(onDataWritten); |
yihui | 0:e910d9bb040f | 73 | |
Rohit Grover |
2:e060367b9024 | 74 | /* setup advertising */ |
Rohit Grover |
2:e060367b9024 | 75 | ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED); |
Rohit Grover |
2:e060367b9024 | 76 | ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); |
Rohit Grover |
2:e060367b9024 | 77 | ble.accumulateAdvertisingPayload(GapAdvertisingData::SHORTENED_LOCAL_NAME, |
rgrover1 | 6:e0fc9072e853 | 78 | (const uint8_t *)"BLE UART", sizeof("BLE UART") - 1); |
Rohit Grover |
2:e060367b9024 | 79 | ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS, |
rgrover1 | 6:e0fc9072e853 | 80 | (const uint8_t *)UARTServiceUUID_reversed, sizeof(UARTServiceUUID_reversed)); |
yihui | 0:e910d9bb040f | 81 | |
Rohit Grover |
2:e060367b9024 | 82 | ble.setAdvertisingInterval(160); /* 100ms; in multiples of 0.625ms. */ |
Rohit Grover |
2:e060367b9024 | 83 | ble.startAdvertising(); |
yihui | 0:e910d9bb040f | 84 | |
rgrover1 | 6:e0fc9072e853 | 85 | UARTService uartService(ble); |
rgrover1 | 6:e0fc9072e853 | 86 | uartServicePtr = &uartService; |
yihui | 0:e910d9bb040f | 87 | |
jimaobian | 9:7b3841a91548 | 88 | |
Rohit Grover |
2:e060367b9024 | 89 | while (true) { |
jimaobian | 9:7b3841a91548 | 90 | static unsigned long led2timer=timer.read_ms(); |
jimaobian | 9:7b3841a91548 | 91 | |
jimaobian | 9:7b3841a91548 | 92 | if((unsigned long)timer.read_ms()-led2timer>1000UL) |
jimaobian | 9:7b3841a91548 | 93 | { |
jimaobian | 9:7b3841a91548 | 94 | led2timer=timer.read_ms(); |
jimaobian | 9:7b3841a91548 | 95 | led2=!led2; |
jimaobian | 9:7b3841a91548 | 96 | } |
jimaobian | 9:7b3841a91548 | 97 | |
jimaobian | 9:7b3841a91548 | 98 | |
jimaobian | 9:7b3841a91548 | 99 | |
Rohit Grover |
2:e060367b9024 | 100 | ble.waitForEvent(); |
yihui | 0:e910d9bb040f | 101 | } |
yihui | 0:e910d9bb040f | 102 | } |
jimaobian | 9:7b3841a91548 | 103 | |
jimaobian | 9:7b3841a91548 | 104 | //// Count the time to toggle a LED |
jimaobian | 9:7b3841a91548 | 105 | // |
jimaobian | 9:7b3841a91548 | 106 | //#include "mbed.h" |
jimaobian | 9:7b3841a91548 | 107 | // |
jimaobian | 9:7b3841a91548 | 108 | //Timer timer; |
jimaobian | 9:7b3841a91548 | 109 | //DigitalOut led(LED1); |
jimaobian | 9:7b3841a91548 | 110 | //int begin, end; |
jimaobian | 9:7b3841a91548 | 111 | // |
jimaobian | 9:7b3841a91548 | 112 | //int main() { |
jimaobian | 9:7b3841a91548 | 113 | // timer.start(); |
jimaobian | 9:7b3841a91548 | 114 | // |
jimaobian | 9:7b3841a91548 | 115 | // while(true) |
jimaobian | 9:7b3841a91548 | 116 | // { |
jimaobian | 9:7b3841a91548 | 117 | //// begin = timer.read_ms(); |
jimaobian | 9:7b3841a91548 | 118 | // led = !led; |
jimaobian | 9:7b3841a91548 | 119 | // wait(1); |
jimaobian | 9:7b3841a91548 | 120 | //// end = timer.read_ms(); |
jimaobian | 9:7b3841a91548 | 121 | //// printf("%d us\r\n", end - begin); |
jimaobian | 9:7b3841a91548 | 122 | // } |
jimaobian | 9:7b3841a91548 | 123 | //} |