Diff: CommonLibraries/RingBuffer/RingBuffer.cpp

Revision:

0:669ef71cba68

--- /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;
+	}
+
+}