Leaked source code of windows server 2003
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/******************************************************************************
* * $Workfile: uartprvt.h $ ** $Author: Psmith $ ** $Revision: 8 $* * $Modtime: 22/09/99 10:22 $ ** Description: Contains private UART Library definitions and prototypes.*******************************************************************************/#if !defined(UARTPRVT_H) /* UARTPRVT.H */
#define UARTPRVT_H
#include "os.h"
#define UL_IM_SIZE_OF_BUFFER 10
#define UL_IM_SLOT_DATA 0x0
#define UL_IM_SLOT_STATUS 0x1
/* UART Object Structure */typedef struct _UART_OBJECT{ PVOID pUartData; /* Pointer to UART Data */
PUART_OBJECT pNextUart; /* Pointer to Next UART Object */ PUART_OBJECT pPreviousUart; /* Pointer to Previous UART Object */
DWORD UartNumber; /* UART Number. */ PVOID BaseAddress; /* UART Base Address. */ DWORD RegisterStride; /* UART Register Stride */ DWORD ClockFreq; /* UART Clock Frequency in Hz */ PBYTE pInBuf; /* Pointer to IN Buffer */ DWORD InBufSize; /* Size of IN Buffer. */ DWORD InBufBytes; /* Number of bytes in buffer */ DWORD InBuf_ipos; /* Offset into buffer to place new data into buffer. */ DWORD InBuf_opos; /* Offset into buffer take data out of buffer. */
PBYTE pOutBuf; /* Pointer to OUT Buffer */ DWORD OutBufSize; /* Size of OUT Buffer. */ DWORD OutBuf_pos; /* Offset into buffer take data out of buffer to transmit. */
BYTE ImmediateBuf[UL_IM_SIZE_OF_BUFFER][2]; DWORD ImmediateBytes; /* Number of bytes to send */
PUART_CONFIG pUartConfig; /* UART Configuration Structure. */
PVOID pAppBackPtr; /* Back pointer to an application specific info. */
} UART_OBJECT;
/* Prototypes. */PUART_OBJECT UL_CommonInitUart(PUART_OBJECT pPreviousUart);void UL_CommonDeInitUart(PUART_OBJECT pUart);
int UL_CalcBufferAmount(int Buf_ipos, int Buf_opos, int BufSize);int UL_CalcBufferSpace(int Buf_ipos, int Buf_opos, int BufSize);/* End of Prototypes. */
#endif /* End of UARTPRVT.H */
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