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| bfc108 | 1 | /** |
| Q | 2 | ****************************************************************************** |
| 3 | * @file : MyQueue.h | |
| 4 | * @brief : Header for MyQueue.c file. | |
| 5 | * This file contains the common defines of the application. | |
| 6 | ****************************************************************************** | |
| 7 | */ | |
| 8 | #ifndef __MYQUEUE_H__ | |
| 9 | #define __MYQUEUE_H__ | |
| 10 | ||
| 11 | typedef struct | |
| 12 | { | |
| 13 | unsigned char * buf1; | |
| 14 | int Caps; | |
| 15 | volatile int wp; //Write Pointor | |
| 16 | volatile int rp; //Read Pointor | |
| 17 | // volatile int DataSize; | |
| 18 | volatile int RecvBytes; | |
| 19 | volatile int bFull; | |
| 20 | volatile int bEmpty; | |
| 21 | volatile int state; | |
| 22 | ||
| 23 | }stMyQueue,* pMyQueue; | |
| 24 | ||
| 25 | int initQueue(pMyQueue theQueue, void * pBuf, int nSize); | |
| 26 | int EmptyQueue(stMyQueue * theQueue); | |
| 27 | static __inline int GetCap(pMyQueue theQueue) | |
| 28 | { | |
| 29 | return theQueue->Caps; | |
| 30 | } | |
| 31 | static __inline int GetDataLen(pMyQueue theQueue) | |
| 32 | { | |
| 33 | int size=theQueue->wp -theQueue->rp; | |
| 34 | if (theQueue->bFull) | |
| 35 | { | |
| 36 | return theQueue->Caps; | |
| 37 | }else if (theQueue->bEmpty) | |
| 38 | { | |
| 39 | return 0; | |
| 40 | }else if (size >0 ) | |
| 41 | { | |
| 42 | return size; | |
| 43 | }else if (size < 0) | |
| 44 | { | |
| 45 | return size + theQueue->Caps; | |
| 46 | } else | |
| 47 | { | |
| 48 | return 0; | |
| 49 | } | |
| 50 | } | |
| 51 | static __inline int GetLeftRoom(pMyQueue theQueue) | |
| 52 | { | |
| 53 | return (theQueue->Caps - GetDataLen(theQueue)); | |
| 54 | } | |
| 55 | static __inline int IsFull(pMyQueue theQueue) | |
| 56 | { | |
| 57 | return (theQueue->bFull); | |
| 58 | } | |
| 59 | static __inline int IsEmpty(pMyQueue theQueue) | |
| 60 | { | |
| 61 | return (theQueue->bEmpty); | |
| 62 | } | |
| 63 | ||
| 64 | int GetContinueEmptyRoom(pMyQueue theQueue); | |
| 65 | int GetContinueData(pMyQueue theQueue); | |
| 66 | static __inline unsigned char * GetReadBuffer(pMyQueue theQueue) | |
| 67 | { | |
| 68 | return theQueue->buf1+theQueue->rp; | |
| 69 | } | |
| 70 | static __inline unsigned char * GetWriteBuffer(pMyQueue theQueue) | |
| 71 | { | |
| 72 | return theQueue->buf1+theQueue->wp; | |
| 73 | } | |
| 74 | int AddSpace(pMyQueue theQueue, int nSize); | |
| 75 | int DelData(pMyQueue theQueue, int nSize); | |
| 76 | ||
| 77 | int CopyData(pMyQueue theQueue, void * pData, int nSize); | |
| 78 | ||
| 79 | int PushIn(pMyQueue theQueue, void * pData, int nSize); | |
| 80 | int PopOut(pMyQueue theQueue, void * pData, int nSize); | |
| 81 | ||
| 82 | int PushOne(pMyQueue theQueue, unsigned char ch); | |
| 83 | int PopOne(pMyQueue theQueue); | |
| 84 | ||
| 85 | #endif /* __MYQUEUE_H__ */ | |
