EMS/drv/drv_di.c

#include "drv_di.h"

void drv_di_read(char *dev, char *value)
{
    int devFd = open(dev, O_RDONLY);
    if(devFd == -1) {
        printf("open device failed[%s]\n", dev);
    }
    else {
        read(devFd, value, sizeof(value));
    }
    close(devFd);
}