![](/media/cache/img/default_profile.jpg.50x50_q85.jpg)
uuu
Dependencies: mbed TrapezoidControl QEI Pulse LM61CIZ
Diff: CommonLibraries/RingBuffer/RingBuffer.cpp
- Revision:
- 0:669ef71cba68
diff -r 000000000000 -r 669ef71cba68 CommonLibraries/RingBuffer/RingBuffer.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/CommonLibraries/RingBuffer/RingBuffer.cpp Sat Sep 08 06:05:22 2018 +0000 @@ -0,0 +1,103 @@ +/* +* 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; + } + +}