ring-buffer.h
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			#ifndef RING_BUFFER_H_
			#define RING_BUFFER_H_

			#define BUFFER_CAPACITY 256

			typedef struct _RingBuffer
			{
			int numVals; //number of values actually stored in the buffer
			int readIndex; //current index at which to read
			int writeIndex; //current index at which to write
			long data[BUFFER_CAPACITY]; //the actual data
			long lastPoppedVal; //the last popped value. used as returned value if the buffer is empty. Ideally the user should check for emptyness.
			}RingBuffer;

			//adds a value into the buffer, if BUFFER_CAPACITY is not reached
			void pushIntoBuffer(RingBuffer *ringBuffer, long data);

			//gets a value from the buffer and removes it, if the buffer is not empty
			long popFromBuffer(RingBuffer *ringBuffer);

			//inits the buffer.
			void initBuffer(RingBuffer *ringBuffer);


			#endif //RING_BUFFER_H_

oncilla-motordriver-fw/src/ring-buffer.h53e2bcffbacbdev