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uart rx receive data then send data from UARTSERVICE
Dependencies: BLE_API mbed nRF51822
Diff: main.cpp
- Revision:
- 0:34ffb40dd1ac
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Thu Nov 10 00:42:03 2016 +0000 @@ -0,0 +1,122 @@ +/* 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(); + } +}