C Programming Specification, demo sample code.

/****************************************************************copyright (c) 2014,tianyuan*all rights reserved.* * FileName: standard.h* file ID: Programming Specification Demo Sample code * * Current Version number: V1.0*WUYQ * finish date: 20140709** change record 1://change history. Contains the date of change, version number, changes and changes, etc. * Change date version number change person change content *---------------------------------------------------- ----------------------------------------------* 20140709 V1.0 wuyq Create ******************* /#ifndef _standard_h__#define _standard_h__/* redefine some basic data types */typedef Char s8;typedef unsigned char u8;typedef signed short s16;typedef unsigned short u16;type def int s32;typedef unsigned int u32;typedef float f32;typedef signed Long long s64;ty Pedef unsigned long long u64;typedef enum {FALSE =0, TRUE =!  FALSE} bool;         typedef BOOL BOOL;/* Message header */typedef struct {u16 u16msgtype;       /* Message type */U16 u16msglength; /* Long valid message dataDegree */U8 u8transtype;/* transmission Channel 0: Network 1: Serial/U8 u8reserved[3];/* alignment */}stru_msg_head;/* time information */typedef struct {u1    6 u16year;/* Year * * U16 u16month;/* Month */U8 u8day;/* Day */U8 u8hour;/* */U8 u8minute;/* points */ U8 u8second;/* sec */}stru_time_info;/* mcm->main Query System Information */struct stru_machine_info_req {stru_msg_head struMsgHe             ader;/* message Header */};/* MAIN->MCM feedback System Information */struct STRU_MACHINE_INFO_RSP {stru_msg_head strumsgheader;/* message header */F32             f32temp;/* Current Sample Temperature */F32 f32vol;/* Current Sample voltage */F32 F32CPUFREQ;/*CPU frequency */u32    u32freemem;/* remaining memory */u32 u32freedisk;/* remaining flash space */};/* main returns to MCM software upgrade results */struct STRU_SOFTWARE_UPDATE_RSP {    Stru_msg_head Strumsgheader; U8 b8successful;/* Whether the upgrade succeeds */U8 u8reserved[3];/* word alignment, retains the */};//function head can be used such as the following style/******************* * Description of function: * Input parameters: * OUTPUT Parameters: * Return Value: * Other instructions: * Change record 1://change history, includingChange date, version number, change person and change content * Change Date version number change the content of the person *---------------------------------------------------- ----------------------------------------------* 20140709 V1.0 wuyq Create ***************** /#endif

/***********************************************************************copyright (c) 2014,TIANYUAN*ALL rights reserved.** file name: unittest.c* file ID: None * Content Summary: Protocol and Unit Test demo sample code * Other Instructions: none * Current version number: v1.0* Author: wuyq* finish date: 20140709** change record 1://Change Calendar History, including date of change, version number, change of person and content of changes * Change Date version number change the content of the person *------------------------------------------------ --------------------------------------------------* 20140709 V1.0 wuyq Create *************** /#include <stdio.h> #include <string.h>// Redefine data type typedef unsigned char uint8;typedef unsigned short int uint16;typedef unsigned int uint32;typedef s igned int INT32;    Message header structure typedef struct{UINT16 iReserve1;    UINT16 iReserve2;    UINT16 IReserve3; UINT16 IReserve4;} msghead_t;                Message structure (including message header and message body) typedef struct{MSGHEAD_T Msghead;      Message header UINT32 Iopertype;  Operation type, the operation type can only be 1 or 2 UINT8     SZUSERNUMBER[30];      User number UINT8 szopertime[20];                Operation time, the format is: YYYYMMDD UINT32 iReserve1;           Reserved Field 1 UINT8 szreserve2[50]; Reserved field 2}userreqmsg_t; function declaration INT32 procuserreqmsg (userreqmsg_t *ptuserreqmsg); INT32 main (); /*********************************************************************** function Description: main function * Input parameters: None * Output parameters: None * return value: 0-run Complete * Other instructions: no * change Date version number change the content of the person *------------------------------------------------------------------ --------------------------------* 20140507 V1.0 zzx Create **********************************    /int32 Main () {UINT8 iretval = 0;        UINT32 iopertype = 0;      Operation type UINT8 szusernumber[30] = {0};    User number UINT8 szopertime[10] = {0};     Operation time in the format: YYYYMMDD userreqmsg_t tuserreqmsg = {0};    Request message//Assign a value to the header of the message tUserReqMsg.MsgHead.iReserve1 = 1; Tuserreqmsg.msgHead.ireserve2 = 2;    TUserReqMsg.MsgHead.iReserve3 = 3;     TUserReqMsg.MsgHead.iReserve4 = 4;    Read into the value of the Detail Message field printf ("Operation type: \ n");    scanf ("%d", &iopertype);    printf ("User number: \ n");    scanf ("%s", Szusernumber);    printf ("Operation time: \ n");     scanf ("%s", szopertime);    Assign a value to the Detail message field (the reserved field is not assignable) Tuserreqmsg.iopertype = Iopertype; strncpy (Tuserreqmsg.szusernumber, Szusernumber, strlen (Szusernumber));//Get number, replace strncpy strcpy with strncpy (     Tuserreqmsg.szopertime, Szopertime, strlen (szopertime));  Get time, replace strcpy with strncpy//exception inference for the field of the message body iRetVal = procuserreqmsg (&tuserreqmsg);  Note: When passing the reference, add the & if (iRetVal = = 0)//function to run correctly {//Print the Message field contents printf ("The user request message is:iopertype=%d, szusernumber=%s, szopertime=%s.\n ", Tuserreqmsg.iopertype, Tuserreqmsg.szusernumber,        Tuserreqmsg.szopertime);    return 0;  } else//print exception message {printf ("Some content of the user request message is wrong, check!\n");      return-1; }}/*********************************************************************** function Description: Exception inference for the field of the message body * Input parameters: ptuserreqmsg-user Request message * OUTPUT parameters: None * return value: 0-Success Other-failure * Other Instructions: no * change Date version number change the content of the person *------------------             --------------------------------------------------------------------------------* 20140507 V1.0 ZZX Create ***********************************************************************/int32 ProcUserReqMsg (UserReqMsg_T *p     tuserreqmsg) {INT32 iretvalue = 0; Exception inference for input parameters if (ptuserreqmsg = = NULL) {printf ("procuserreqmsg (...): input parameter (PTUSERREQMSG) is null         . \ n ");    return-1; }//exception inference for the Message body field if ((Ptuserreqmsg->iopertype! = 1) && (ptuserreqmsg->iopertype! = 2))//operation type can only is 1 or 2, the other is data exception {printf ("procuserreqmsg (...): The Iopertype is wrong, iopertype=%d.\n", Ptuserreqmsg->iopertyp        e);    Return-2; } if (Strlen (ptuserreqmsg->szuseRnumber)! = 8)//user number is abnormal, length 8 bits is correct {printf ("procuserreqmsg (...): The Szusernumber is wrong.\n");    return-3; } if (strlen (ptuserreqmsg->szopertime)! = 8)//Operation time exception, length 8 bits is correct {printf ("procuserreqmsg (...): the Szoper               Time is wrong.\n ");    return-4; } return 0;}

C Programming Specification, demo sample code.