usartdrv.h

全是好东西啊 欢迎观看,共勉,加油啊

//*-----------------------------------------------------------------------------
//*      ATMEL Microcontroller Software Support  -  ROUSSET  -
//*-----------------------------------------------------------------------------
//* The software is delivered "AS IS" without warranty or condition of any
//* kind, either express, implied or statutory. This includes without
//* limitation any warranty or condition with respect to merchantability or
//* fitness for any particular purpose, or against the infringements of
//* intellectual property rights of others.
//*-----------------------------------------------------------------------------
//* File Name               : Usartdrv.h
//* Object                  : 
//*
//* 1.0 17/04/99 JPP        : Creation
//*-----------------------------------------------------------------------------


#ifndef Usartdrv_h
#define Usartdrv_h
#include <windows.h>

/* Error codes */
#define ERROR_USART            (1 << 29) | (1 << 7)
#define ERROR_TX_NOT_COMPLETE  (ERROR_USART | 1)
#define ERROR_RX_NOT_COMPLETE  (ERROR_USART | 2)

//* Function prototype
extern HANDLE Usart_Open(const char *ComName);
extern BOOL Usart_Close(HANDLE hcom);
extern BOOL Usart_Write(IN HANDLE hcom, PVOID IN buffer, IN DWORD len);
extern BOOL Usart_Read(IN HANDLE hcom, PVOID buffer, IN DWORD len);
extern ULONG Usart_Download(const char *com ,PVOID IN buffer, IN ULONG bufferSize);

#endif /* ComUsart_h */