New Micros NMIY-0031, Manual

Page: 127 / 188

2 / 2 6 / 2 0 0 2 2 : 0 6 P M 2 / 2 6 / 2 0 0 2 1 2 7
N M I L - 7 0 0 3 8 - C H A N N E L I N P U T , 8 - C H A N N E L O U T P U T O P T O
C S A M P L E P R O G R A M
#include c:\NMIY0031\clib\common51.c
#include c:\NMIY0031\clib\syslib51.c
#include c:\NMIY0031\clib\stdio.h
#include c:\NMIY0031\clib\atoi.c
#include c:\NMIY0031\clib\fgetc.c
#include c:\NMIY0031\clib\fprintf.c
#include c:\NMIY0031\clib\fputc.c
#include c:\NMIY0031\clib\fscanf.c
#include c:\NMIY0031\clib\is.c
#include c:\NMIY0031\clib\itoa.c
#include c:\NMIY0031\clib\itoab.c
#include c:\NMIY0031\clib\peekpoke.c
#include c:\NMIY0031\clib\reverse.c
#include c:\NMIY0031\clib\strlen.c
#include c:\NMIY0031\clib\ungetc.c
#include c:\NMIY0031\clib\utoi.c
#define PORTA 0xFFE0
#define PORTB 0xFFE1
int porta_in, portb_out;
/***************************************************************************/
/* */
/* Program to demonstrate the NMIL-7003 OPTO 8-Channel */
/* Input, 8-bit Output board with the NMIY-0031 processor */
/* card. The NMIL-0031 COM1 port allows the user to set */
/* the bits for port B. */
/* */
/* Inputs and outputs are polarized. Typical trouble- */
/* shooting will be to check that the outputs have correct */
/* polarity and external power. */
/* */
/* Connections with the wires reversed will appear to be */
/* be stuck off. If a particular input or output does not */
/* respond, check the hook-up polarity carefully. */
/* */
/***************************************************************************/
main ()
{
while (1)
{
get_user_data();
input_output();
}; /* end while */
} /* end main */
get_user_data()
{
printf("Please enter a hex value for port B output: ");
scanf("%x", &portb_out); printf("\n");
} /* end get user data */
input_output()
{ /* reads the inputs and sets the outputs */
pokeb(PORTB, portb_out);
porta_in = peekb(PORTA);
printf("Port A = %2x\n", porta_in);
return(0);
} /* end input-output */