File content as of revision 1:fe3f80c4beeb:

/*
* 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;
	}

}