ez320.c

The EZ320 utility demonstrates the communication program between host PC and the MR320.

#include <stdio.h>
#include <string.h>
#include <process.h>
#include <stdlib.h>
#include <conio.h>
#include <dos.h>

#include "NULLINCL.H"
#include "ACKINCL.H"
#include "485INCL.H"
#include "DEFINES.H"

// Variables
static char *version="V1.0";
static int baudtbl[]={110,150,300,600,1200,2400,4800,9600,19200};
static char *paritytbl[]={"None","Odd","Even"};
static char *prototbl[]={"NULL","ACK/NAK","MULTI-POINT"};
static char address[32];
static int port,baud,databit,stopbit,parity,protocol;
static int addr_count=0;
static COM_CONFIG com_tbl;

// Function Prototypes
static void aChangeProtocol(void);
static void aSelectAddress(void);
static void aWarmStart(void);
static void aColdStart(void);
static void aSyncTime(void);
static void get_current_time(char *str);
static void aPoll(void);
static int getchx(void);
static void ret_msg(int ret);

// Main Program
void main(void)
{
int ch,i;

do{
    printf("\n\tCOM(1/2/3/4)?:");
    ch=getch();
    printf("%c\n",ch);
    }while( ch<'1' || ch>'4');
port=ch-'0';

do{
    printf("\n\tBAUD(0:110,1:150,2:300,3:600,4:1200,5:2400,6:4800,7:9600,8:19200)?");
    ch=getch();
    printf("%c\n",ch);
    }while((ch>'8') || (ch<'0'));
baud=ch-'0';
com_tbl.baud=(char)ch;

do{
    printf("\n\tDATA BIT(7/8)?:");
    ch=getch();
    printf("%c\n",ch);
    }while((ch > '8') || (ch < '7'));
databit=ch-'7';
com_tbl.databit=(char)ch;

do{
    printf("\n\tSTOP BIT(1/2)?:");
    ch=getch();
    printf("%c\n",ch);
    }while((ch > '2') || (ch < '1'));
stopbit=ch-'1';
com_tbl.stopbit=(char)ch;

do{
    printf("\n\tPARITY:(0:NONE, 1:ODD, 2:EVEN)");
    ch=getch();
    printf("%c\n",ch);
    }while((ch > '2') || (ch < '0'));
parity=ch-'0';
switch(parity){
    case 0:
	 com_tbl.parity='N';
	 break;
    case 1:
	 com_tbl.parity='O';
	 break;
    case 2:
	 com_tbl.parity='E';
	 break;
    }

HM_parameter(port,baud,stopbit,databit,parity);
HA_parameter(port,baud,stopbit,databit,parity);
HN_parameter(port,baud,stopbit,databit,parity);

do {
    printf("\n\tNOW THE MR320 PROTOCOL IS (0:NULL,1:ACK/NAK,2:MULTI-POINT):");
    ch=getch();
    printf("%c",ch);
    }while(ch>'2' || ch<'0');
protocol=ch-'0';
if (protocol==MULTI_PROTOCOL)
    aSelectAddress();
else
    address[0]='A';

while(1){
    printf("\n\n\tMR320 EASY COMMUNICATION UTILITY %s\n",version);
    printf("\tCom:%d \tBaud:%d \tStopbit:%d \tDatabit:%d \tParity:%s\n",\
	port,baudtbl[baud],stopbit?2:1,databit?8:7,paritytbl[parity]);
    printf("\tProtocol:%s ",prototbl[protocol]);
    printf("\tAddress: ");
    for(i=0;i<addr_count;i++)
	putchar(address[i]);
    putchar('\n');

    printf("    谀哪哪哪哪哪哪哪哪哪哪哪哪哪哪哪哪哪哪哪哪哪哪哪哪哪哪哪哪哪哪哪哪哪目\n");
    printf("