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DD文件所在目录：
DD文件名称： Methods.h
DD文件类型： 头文件

  • /*****************************************************************************
  • *
  • * File: Methods.h
  • * Version: 4.1.0
  • * Date: 04/24/10
  • *
  • *****************************************************************************
  • * Copyright (c) 2010, HART Communication Foundation, All Rights Reserved
  • *****************************************************************************
  • *
  • * Description: This is the include file required when writing a method. It
  • * contains the return codes for the standard libray functions
  • * and a variety of macros often needed when writing methods.
  • *
  • *****************************************************************************
  • */
  • #ifndef _METHODS_H
  • #define _METHODS_H
  • #define BI_SUCCESS 0 /* task succeeded in intended task */
  • #define BI_ERROR -1 /* error occured in task */
  • #define BI_ABORT -2 /* user aborted task */
  • #define BI_NO_DEVICE -3 /* no device found on comm request */
  • #define BI_COMM_ERR -4 /* communications error */
  • #define BI_CONTINUE -5 /* continue */
  • #define BI_RETRY -6 /* retry */
  • #define BI_PORT_IN_USE -7 /* block transfer port */
  • #undef N_BI_CODES
  • #define N_BI_CODES 8
  • #define ALLBITS 0xFF /* sets all bits in the byte */


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