uart rx receive data then send data from UARTSERVICE
Dependencies: BLE_API mbed nRF51822
main.cpp
- Committer:
- li991001
- Date:
- 2016-11-10
- Revision:
- 0:34ffb40dd1ac
File content as of revision 0:34ffb40dd1ac:
/* 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 "ble/BLE.h" #include "ble/services/UARTService.h" #include "Serial.h" #define NEED_CONSOLE_OUTPUT 1 /* Set this if you need debug messages on the console; * it will have an impact on code-size and power consumption. */ #if NEED_CONSOLE_OUTPUT #define DEBUG(...) { printf(__VA_ARGS__); } #else #define DEBUG(...) /* nothing */ #endif /* #if NEED_CONSOLE_OUTPUT */ BLEDevice ble; DigitalOut led1(LED1); Serial uart1(USBTX,USBRX); UARTService *uartServicePtr; uint8_t sFlag = 0; void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params) { DEBUG("Disconnected!\n\r"); DEBUG("Restarting the advertising process\n\r"); ble.startAdvertising(); } void connectionCallback(const Gap::ConnectionCallbackParams_t *params) { DEBUG("Connected!\n\r"); } uint8_t b[40]={'a','d','q','w'}; void onDataWritten1(const GattWriteCallbackParams *params) { if ((uartServicePtr != NULL) && (params->handle == uartServicePtr->getTXCharacteristicHandle())) { uint16_t bytesRead = params->len; DEBUG("received %u bytes %s\n\r", bytesRead,params->data); // if(sFlag == 1) // ble.updateCharacteristicValue(uartServicePtr->getRXCharacteristicHandle(), (const uint8_t*)b/*params->data*/, 4/*bytesRead*/); } } void periodicCallback(void) { led1 = !led1; } uint8_t c; void uartRx(void) { c = uart1.getc(); if(sFlag < 39) b[sFlag++] = c; if(c == '\r' || c == '\n' || sFlag == 15) { ble.updateCharacteristicValue(uartServicePtr->getRXCharacteristicHandle(), (const uint8_t*)b/*params->data*/, sFlag/*bytesRead*/); sFlag = 0; } } int main(void) { led1 = 1; uart1.baud(9600); Ticker ticker; ticker.attach(periodicCallback, 1); uart1.attach(uartRx,Serial::RxIrq); DEBUG("Initialising the nRF51822\n\r"); ble.init(); ble.onDisconnection(disconnectionCallback); ble.onConnection(connectionCallback); ble.onDataWritten(onDataWritten1); /* setup advertising */ ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED); ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); ble.accumulateAdvertisingPayload(GapAdvertisingData::SHORTENED_LOCAL_NAME, (const uint8_t *)"BLE UART", sizeof("BLE UART") - 1); ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS, (const uint8_t *)UARTServiceUUID_reversed, sizeof(UARTServiceUUID_reversed)); ble.setAdvertisingInterval(1000); /* 1000ms; in multiples of 0.625ms. */ ble.startAdvertising(); UARTService uartService(ble); uartServicePtr = &uartService; while (true) { ble.waitForEvent(); } }