File content as of revision 0:423d5729e94e:

/*

--------------------------------------------
|                                          |
|                     ....                 |
|                    7OO$?I78.             |
|                   .?8++++7+II?D.         |
|                   .?O++=I++II+?=         |
|                   .IO++?7==I??$.         |
|                   .8++=$===?+I$          |
|                   ?+++===+===+           |
|                   ???=+I++==+?           |
|                 .??++====+==++           |
|                 ?+++==========~          |
|                $+++==========+=          |
|              =?+===+==+I========         |
|           ..++======~~~~========?        |
|         .$?I??+=~~===~~~===~===++.       |
|       .+==.+=~~~=~==~~~~==~~=~==+?       |
|      ?===I+====~~=~~~=~~=====~~~=?.      |
|     .=~~~+==~==..~~~~~~=    ~~~~=7=      |
|     +=~~?+~~=.  ==~~~~=.     ~~~~=?.     |
|     =~~~=~~~   ?===~~+.       ~~~~+      |
|     +~~:+~~=    =~~==.        =~~+.      |
|     ~:~ =~~=    =~~~=         ~===       |
|         I=~~   ,=~~=            ,.       |
|          ~~.   ,====                     |
|                 ====                     |
|                 =~~.                     |
|                                          |
|------------------------------------------|                                                          
|              Internet Of Thing           |
|                  Eli Hughes              |
| Freescale / Hack-a-day Make-It-Challenge |
|              FTF 2014 - Dallas, Tx       |
|------------------------------------------|

*/
#include <stdio.h>
#include <stdarg.h>
#include <stdint.h>

#ifndef TFC_QUEUE_H_
#define TFC_QUEUE_H_


typedef struct {
    
    uint16_t ReadPtr;
    uint16_t WritePtr;
    uint16_t QueueSize;
    uint8_t *QueueStorage;
    
} ByteQueue;

#define QUEUE_FULL       -1
#define QUEUE_EMPTY      -2
#define QUEUE_OK          0


void InitByteQueue(ByteQueue *BQ,uint16_t Size,uint8_t * Storage); 
uint16_t BytesInQueue(ByteQueue *BQ);
int16_t ByteEnqueue(ByteQueue *BQ,uint8_t Val);
int16_t ByteArrayEnqueue(ByteQueue *BQ,uint8_t *Buf,uint16_t);
int16_t ByteDequeue(ByteQueue *BQ,uint8_t *Val);
uint8_t ForcedByteDequeue(ByteQueue *BQ);
int16_t Qprintf(ByteQueue *BQ, const char *FormatString,...);




#endif /* TFC_QUEUE_H_ */