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Dependencies: mbed TrapezoidControl QEI
CommonLibraries/RingBuffer/RingBuffer.cpp
- Committer:
- yabahiro
- Date:
- 2019-10-03
- Revision:
- 44:c208a908583c
- Parent:
- 0:669ef71cba68
File content as of revision 44:c208a908583c:
/* * RingBuffer.cpp * * Created: 2016/08/10 12:14:47 * Author: masuk */ #include "mbed.h" #include "RingBuffer.h" namespace RINGBUFFER { RingBuffer::RingBuffer(char *bufPtr, int size) { Buffer.data = bufPtr; Buffer.size = size; Buffer.top = 0; Buffer.bottom = 0; Buffer.fullup = false; } void RingBuffer::PutData(char data, bool ASCIItoNum /* = false */) { __disable_irq(); if(!Buffer.fullup) { if(ASCIItoNum) Buffer.data[Buffer.top] = data+48; else Buffer.data[Buffer.top] = data; Buffer.length++; Buffer.top++; Buffer.top %= Buffer.size; Buffer.fullup = false; if(Buffer.length>=Buffer.size) Buffer.fullup = true; } __enable_irq(); } void RingBuffer::PutData(char *data, int length) { __disable_irq(); for(int i=0; i<length; i++) { if(!Buffer.fullup) { Buffer.data[Buffer.top] = data[i]; Buffer.length++; Buffer.top++; Buffer.top %= Buffer.size; Buffer.fullup = false; if(Buffer.length>=Buffer.size) Buffer.fullup = true; } } __enable_irq(); } void RingBuffer::PutData(const char *str) { __disable_irq(); for( ; *str!='\0'; str++) { if(!Buffer.fullup) { Buffer.data[Buffer.top] = *str; Buffer.length++; Buffer.top++; Buffer.top %= Buffer.size; if(Buffer.length>=Buffer.size) Buffer.fullup = true; else Buffer.fullup = false; } } __enable_irq(); } char RingBuffer::GetData() { __disable_irq(); char data; if(Buffer.length > 0) { data = Buffer.data[Buffer.bottom]; Buffer.length--; Buffer.bottom++; Buffer.bottom %= Buffer.size; if(Buffer.length<Buffer.size) Buffer.fullup = false; } else data = '\0'; __enable_irq(); return data; } bool RingBuffer::IsFullup() { return Buffer.fullup; } bool RingBuffer::InAnyData() { if(Buffer.length > 0) return true; else return false; } }