Contents of data stream are pushed and popped to demonstrate usage of CircularBuffer API's.
Fork of mbed-os-example-circular-buffer by
CircularBuffer example
This application demonstrates the CircularBuffer API. For more information about this API, please see the documentation.
main.cpp
- Committer:
- deepikabhavnani
- Date:
- 2017-10-23
- Revision:
- 0:6c43979d0645
File content as of revision 0:6c43979d0645:
/* * Copyright (c) 2016-2016, ARM Limited, All Rights Reserved * SPDX-License-Identifier: Apache-2.0 * * 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 "platform/CircularBuffer.h" #define BUF_SIZE 10 CircularBuffer<char, BUF_SIZE> buf; char data_stream[] = "DataToBeAddedToBuffer"; int main() { uint32_t bytes_written = 0; while (!buf.full()) { buf.push(data_stream[bytes_written++]); } printf("Circular buffer is full: \"%s\" or empty: \"%s\" \n", (buf.full()? "true":"false"), (buf.empty()? "true":"false") ); printf ("Bytes written %d \n", bytes_written); // If buffer is full, contents will be over-written buf.push(data_stream[bytes_written++]); char data; printf ("Buffer contents: "); while (!buf.empty()) { buf.pop(data); printf("%c", data); } printf("\n"); printf("Circular buffer is full: \"%s\" or empty: \"%s\" \n", (buf.full()? "true":"false"), (buf.empty()? "true":"false") ); return 0; }