Queue.h

00001 /*
00002 
00003 --------------------------------------------
00004 |                                          |
00005 |                     ....                 |
00006 |                    7OO$?I78.             |
00007 |                   .?8++++7+II?D.         |
00008 |                   .?O++=I++II+?=         |
00009 |                   .IO++?7==I??$.         |
00010 |                   .8++=$===?+I$          |
00011 |                   ?+++===+===+           |
00012 |                   ???=+I++==+?           |
00013 |                 .??++====+==++           |
00014 |                 ?+++==========~          |
00015 |                $+++==========+=          |
00016 |              =?+===+==+I========         |
00017 |           ..++======~~~~========?        |
00018 |         .$?I??+=~~===~~~===~===++.       |
00019 |       .+==.+=~~~=~==~~~~==~~=~==+?       |
00020 |      ?===I+====~~=~~~=~~=====~~~=?.      |
00021 |     .=~~~+==~==..~~~~~~=    ~~~~=7=      |
00022 |     +=~~?+~~=.  ==~~~~=.     ~~~~=?.     |
00023 |     =~~~=~~~   ?===~~+.       ~~~~+      |
00024 |     +~~:+~~=    =~~==.        =~~+.      |
00025 |     ~:~ =~~=    =~~~=         ~===       |
00026 |         I=~~   ,=~~=            ,.       |
00027 |          ~~.   ,====                     |
00028 |                 ====                     |
00029 |                 =~~.                     |
00030 |                                          |
00031 |------------------------------------------|                                                          
00032 |              Internet Of Thing           |
00033 |                  Eli Hughes              |
00034 | Freescale / Hack-a-day Make-It-Challenge |
00035 |              FTF 2014 - Dallas, Tx       |
00036 |------------------------------------------|
00037 
00038 */
00039 #include <stdio.h>
00040 #include <stdarg.h>
00041 #include <stdint.h>
00042 
00043 #ifndef TFC_QUEUE_H_
00044 #define TFC_QUEUE_H_
00045 
00046 
00047 typedef struct {
00048     
00049     uint16_t ReadPtr;
00050     uint16_t WritePtr;
00051     uint16_t QueueSize;
00052     uint8_t *QueueStorage;
00053     
00054 } ByteQueue;
00055 
00056 #define QUEUE_FULL       -1
00057 #define QUEUE_EMPTY      -2
00058 #define QUEUE_OK          0
00059 
00060 
00061 void InitByteQueue(ByteQueue *BQ,uint16_t Size,uint8_t * Storage); 
00062 uint16_t BytesInQueue(ByteQueue *BQ);
00063 int16_t ByteEnqueue(ByteQueue *BQ,uint8_t Val);
00064 int16_t ByteArrayEnqueue(ByteQueue *BQ,uint8_t *Buf,uint16_t);
00065 int16_t ByteDequeue(ByteQueue *BQ,uint8_t *Val);
00066 uint8_t ForcedByteDequeue(ByteQueue *BQ);
00067 int16_t Qprintf(ByteQueue *BQ, const char *FormatString,...);
00068 
00069 
00070 
00071 
00072 #endif /* TFC_QUEUE_H_ */