set.c

足球机器人自动程序

#include <stdio.h>

#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <linux/videodev.h>

#include "pwc-ioctl.h"

int main() {

	const char *dev = "/dev/video0";
	int fd = open(dev, O_RDONLY);
	if (fd < 0) {
		perror("open");
		return -1;
	}

#if 0
	int compression = 3;
	// 0: no
	// 1-3: less-high
	if (ioctl(fd, VIDIOCPWCSCQUAL, &compression) < 0) {
		perror("ioctl VIDIOCPWCSCQUAL");
		return -1;
	}
#endif

#if 1
	// auto on reset
	//int agc = -1;
	int agc = 1275;
	//-1: auto
	// 0-65535: fixed (not equal)
	if (ioctl(fd, VIDIOCPWCSAGC, &agc) < 0) {
		perror("ioctl  VIDIOCPWCSAGC");
		return -1;
	}
#endif
	
#if 0
	int shutter= 200;
	//-1: auto
	// 0-65535: fixed
	if (ioctl(fd, VIDIOCPWCSSHUTTER, &shutter) < 0) {
		perror("ioctl VIDIOCPWCSSHUTTER");
		return -1;
	}
#endif

#if 0
	// auto on reset
	struct pwc_whitebalance wb;
	// mode: PWC_WB_AUTO / PWC_WB_MANUAL
	// manual_red / manual_blue: 0:65535 (not equal)
	//wb.mode =  PWC_WB_AUTO;
	wb.mode =  PWC_WB_MANUAL;
	wb.manual_red = 36864;
	wb.manual_blue = 17920;
	if (ioctl(fd, VIDIOCPWCSAWB, &wb) < 0) {
		perror("ioctl VIDIOCPWCSAWB");
		return -1;
	}
#endif

#if 0
	// 2032, 0 on reset?
	struct pwc_wb_speed wbs;
	// control_speed / control_delay: 0 (unchange) 1-65536 (not equal)
	wbs.control_speed = 30000;
	wbs.control_delay = 30000;
	if (ioctl(fd, VIDIOCPWCSAWBSPEED, &wbs) < 0) {
		perror("ioctl VIDIOCPWCSAWB");
		return -1;
	}
#endif

#if 0
	struct pwc_leds led;
	led.led_on = 0;
	led.led_off = 0;
	if (ioctl(fd, VIDIOCPWCSLED, &led) < 0) {
		perror("ioctl VIDIOCPWCSLED");
		return -1;
	}
#endif

#if 0
	// -1 (auto) on reset
	int contour=30000;
	// 0: blur
	// 65535: sharp
	if (ioctl(fd, VIDIOCPWCSCONTOUR, &contour) < 0) {
		perror("ioctl VIDIOCPWCSCONTOUR");
		return -1;
	}
#endif

#if 0
	// off on reset
	int bl = 1;
	// 0: off
	// other: on
	if (ioctl(fd, VIDIOCPWCSBACKLIGHT, &bl) < 0) {
		perror("ioctl VIDIOCPWCSBACKLIGHT");
		return -1;
	}
#endif

#if 0
	// off on reset
	int af = 1;
	// 0: off
	// other: on
	if (ioctl(fd, VIDIOCPWCSFLICKER, &af) < 0) {
		perror("ioctl VIDIOCPWCSFLICKER");
		return -1;
	}
#endif

#if 0
	// (read) 1 on reset
	int noise = 1;
	// 0: off
	// 1-3: less-high (reverse?)
	if (ioctl(fd, VIDIOCPWCSDYNNOISE, &noise) < 0) {
		perror("ioctl VIDIOCPWCSDYNNOISE");
		return -1;
	}
#endif

	close(fd);
	return 0;
}