Diff: inc/ringBuffer.h

Revision:

12:7060e287bdae

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/inc/ringBuffer.h	Mon Feb 22 08:50:39 2016 +0000
@@ -0,0 +1,40 @@
+#ifndef RINGBUFFER_H
+#define RINGBUFFER_H
+
+#include <stdint.h>
+
+#define RX_BUFF_SIZE            129 
+#define BYTES_PER_INTERRUPT     1
+
+typedef struct {
+    uint8_t buffer[RX_BUFF_SIZE];
+    uint16_t length;
+    uint16_t start;
+    uint16_t end;
+} RingBuffer;
+
+void RingBuffer_init(RingBuffer *buffer);
+
+int16_t RingBuffer_read(RingBuffer *buffer, uint8_t *target, uint16_t amount);
+int16_t RingBuffer_write(RingBuffer *buffer, uint8_t *data, uint16_t amount);
+bool RingBuffer_readbyte(RingBuffer *buffer, uint8_t *target);
+bool RingBuffer_writebyte(RingBuffer *buffer, uint8_t byte);
+
+bool RingBuffer_isEmpty(RingBuffer *buffer);
+bool RingBuffer_isFull(RingBuffer *buffer);
+uint16_t RingBuffer_availableDataAmount(RingBuffer *buffer);
+uint16_t RingBuffer_avalailableSpaceAmount(RingBuffer *buffer);
+
+
+#define RingBuffer_available_data(B) (((B)->end + (B)->length - (B)->start) % (B)->length)
+#define RingBuffer_available_space(B) ((B)->length - 1 - RingBuffer_available_data((B)))
+#define RingBuffer_full(B) (RingBuffer_available_data((B)) - ((B)->length - 1) == 0)
+#define RingBuffer_empty(B) (RingBuffer_available_data((B)) == 0)
+#define RingBuffer_puts(B, D) RingBuffer_write((B), bdata((D)), blength((D)))
+#define RingBuffer_get_all(B) RingBuffer_gets((B), RingBuffer_available_data((B)))
+#define RingBuffer_starts_at(B) ((B)->buffer + (B)->start)
+#define RingBuffer_ends_at(B) ((B)->buffer + (B)->end)
+#define RingBuffer_commit_read(B, A) ((B)->start = ((B)->start + (A)) % (B)->length)
+#define RingBuffer_commit_write(B, A) ((B)->end = ((B)->end + (A)) % (B)->length)
+
+#endif