lmidrv.h

ARM9基于WINDOWSCE的BSP源代码

#ifndef _LMIDRV_H_
#define _LMIDRV_H_

#include <windows.h>    // Main include file for Windows development
#include <ceddk.h>      // CE device driver types, constants, and functions
#include <platform.h>
#include <board.h>
#include <oalintr.h>

#include "LMI.h"

typedef struct __TX_BUFFER_INFO 
{
	DWORD	Permissions;		/* @field Current permissions */
	ULONG	Read;				/* @field Current Read index. */
	ULONG	Length;				/* @field Length of buffer */
	ULONG *	TxBuffer;		/* @field Start of buffer */
	CRITICAL_SECTION	CS;		/* @field Critical section */
	
} TX_BUFFER_INFO, *PTX_BUFFER_INFO;


#define TxEnterCS(pSH)	   EnterCriticalSection (&(pSH->TxBufferInfo.CS))
#define TxLeaveCS(pSH)	   LeaveCriticalSection (&(pSH->TxBufferInfo.CS))
#define TxRead(pSH)	   (pSH->TxBufferInfo.Read)
#define TxLength(pSH)	   (pSH->TxBufferInfo.Length)
#define TxBytesAvail(pSH)  (TxLength(pSH)-TxRead(pSH))
#define TxBuffRead(pSH)	   (pSH->TxBufferInfo.TxBuffer+pSH->TxBufferInfo.Read)

typedef struct tagLMI_DMAInfo 
{
    DWORD               OpenCnt;    // @field Protects use of this port
//Rx
    HANDLE              hRxUDmaISTEvent;
    DWORD               dwRxDMASysIntr;
    UCHAR               ucRxDMAChannel;
    PDWORD              pdwRxDestPageList;
    PVOID               pvRxDestBuffer;
    DWORD               dwRxDestSize;
//Tx
    HANDLE              hTxUDmaISTEvent;
    DWORD               dwTxDMASysIntr;
    UCHAR               ucTxDMAChannel;
    PDWORD              pdwTxSourcePageList;
    PVOID               pvTxSourceBuffer;
    DWORD               dwTxSourceSize;
}LMI_DMA_INFO, *PLMI_DMA_INFO;

typedef struct __LMI_Header
{
    CRITICAL_SECTION	TransmitCritSec;// @field Protects tx action	   
    HANDLE		hLMIEvent;	// @field LMI event, both rx and tx
    HANDLE		hTransmitEvent;	// @field transmit event, both rx and tx
    HANDLE		pDispatchThread;// @field ReceiveThread 
    DWORD		OpenCnt;	// @field Protects use of this port 
    TX_BUFFER_INFO	TxBufferInfo;    
    PUCHAR      temp;       
    ULONG		TxBytes;	// @field Record of total bytes transmitted.
    ULONG		TxBytesPending;	// @field Record of total bytes awaiting transmit.
    ULONG		TxBytesSent;	// @field Record of bytes sent in one transmission    
    LMIReg              * pLMI;
    LCDReg              * pLcd;
    CRITICAL_SECTION	OpenCS;
    LMI_DMA_INFO        DmaInfo;  //the point for  dma info
    DWORD               DMA_Enable;
} LMI_Header, *PLMI_Header;


typedef struct __LMI_OpenHead 
{  
  PLMI_Header         LmiHeader;
  
  CRITICAL_SECTION    cs;      // For using this context, thread-safely
    
}LMIOpenHead,*PLMIOpenHead;

#ifdef DEBUG
    #define ZONE_INIT       DEBUGZONE(0)
    #define ZONE_HARD       DEBUGZONE(1)
    #define ZONE_WRITE      DEBUGZONE(2)
    #define ZONE_READ       DEBUGZONE(3)
    #define ZONE_CHAIN      DEBUGZONE(4)
    #define ZONE_NOTHING1   DEBUGZONE(5)
    #define ZONE_NOTHING2   DEBUGZONE(6)
    #define ZONE_NOTHING3   DEBUGZONE(7)
    #define ZONE_NOTHING4   DEBUGZONE(8)
    #define ZONE_NOTHING5   DEBUGZONE(9)
    #define ZONE_NOTHING6   DEBUGZONE(10)
    #define ZONE_NOTHING7   DEBUGZONE(11)
    #define ZONE_ALLOC      DEBUGZONE(12)
    #define ZONE_FUNC       DEBUGZONE(13)
    #define ZONE_WARNING    DEBUGZONE(14)
    #define ZONE_ERROR      DEBUGZONE(15)
#else
    #define ZONE_INIT       0
    #define ZONE_HARD       0
    #define ZONE_WRITE      0
    #define ZONE_READ       0
    #define ZONE_CHAIN      0
    #define ZONE_NOTHING2   0
    #define ZONE_THREAD     0
    #define ZONE_EVENTS     0
    #define ZONE_CRITSEC    0
    #define ZONE_FLOW       0
    #define ZONE_IR         0
    #define ZONE_NOTHING    0
    #define ZONE_ALLOC      0
    #define ZONE_FUNC       0
    #define ZONE_WARNING    0
    #define ZONE_ERROR      0
#endif
    
#define IOCTL_RESETPT 1
    
    
#endif