Implementing Direct Memory Access (DMA) in C

Listing 3 (adc.c) Routines for Basic Control of the ADC on the Lab Master AD

/*****************************************************

       Copyright Don Bradley, 1991.

       Permission is granted for used of these routines
       in any manner as long as this copyright notice is
       included.

       Tested using Quick C 2.5 and MSC 6.0 on a
       Toshiba T5200.

*******************************************************/

#include <conio.h>

#include "labmastr.h"

void disable_adc()
/*& Disable adc through stopping timer 5's output. */
       {
       timer5_off();
       }

void enable_adc()
/*& Enable adc through starting timer 5's output. */
       {
       timer5_on();
       }

int adc_ status()
/*& Return the ADC status */
       {
       return (inp(ADC_STATUS));
       }
/* End of File */