Initial Arduino IDE based on Processing.

build/shared/lib/avrlib/buffer.h

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+/*! \file buffer.h \brief Multipurpose byte buffer structure and methods. */
+//*****************************************************************************
+//
+// File Name	: 'buffer.h'
+// Title		: Multipurpose byte buffer structure and methods
+// Author		: Pascal Stang - Copyright (C) 2001-2002
+// Created		: 9/23/2001
+// Revised		: 11/16/2002
+// Version		: 1.1
+// Target MCU	: any
+// Editor Tabs	: 4
+//
+// This code is distributed under the GNU Public License
+//		which can be found at http://www.gnu.org/licenses/gpl.txt
+//
+//*****************************************************************************
+
+#ifndef BUFFER_H
+#define BUFFER_H
+
+// structure/typdefs
+
+// the cBuffer structure
+typedef struct struct_cBuffer
+{
+	unsigned char *dataptr;			// the physical memory address where the buffer is stored
+	unsigned short size;			// the allocated size of the buffer
+	unsigned short datalength;		// the length of the data currently in the buffer
+	unsigned short dataindex;		// the index into the buffer where the data starts
+} cBuffer;
+
+// function prototypes
+
+//! initialize a buffer to start at a given address and have given size
+void			bufferInit(cBuffer* buffer, unsigned char *start, unsigned short size);
+
+//! get the first byte from the front of the buffer
+unsigned char	bufferGetFromFront(cBuffer* buffer);
+
+//! dump (discard) the first numbytes from the front of the buffer
+void bufferDumpFromFront(cBuffer* buffer, unsigned short numbytes);
+
+//! get a byte at the specified index in the buffer (kind of like array access)
+// ** note: this does not remove the byte that was read from the buffer
+unsigned char	bufferGetAtIndex(cBuffer* buffer, unsigned short index);
+
+//! add a byte to the end of the buffer
+unsigned char	bufferAddToEnd(cBuffer* buffer, unsigned char data);
+
+//! check if the buffer is full/not full (returns non-zero value if not full)
+unsigned char	bufferIsNotFull(cBuffer* buffer);
+
+//! flush (clear) the contents of the buffer
+void			bufferFlush(cBuffer* buffer);
+
+#endif