#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
static?int?led_fd;
static?int?leds[4]?=?{0};

static?void?lightleds（void）
{
	int?i;
	for（i=0;i<4;i++）
	{
		ioctl（led_fd?leds[i]?i）;
	}
}

int?main（void）
{
	fprintf（stderr?“started!!“）;
	int?led_control_pipe;
	int?null_writer_fd;
	led_fd?=?open（“/dev/leds“?0）;
	if?（led_fd?		perror（“open?device?leds“）;
		exit（1）;
	}
	unlink（“/tmp/led-control“）;
	mkfifo（“/tmp/led-control“?0666）;

	led_control_pipe?=?open（“/tmp/led-control“?O_RDONLY?|?O_NONBLOCK）;
	if?（led_control_pipe?		perror（“open?control?pipe?for?read“）;
		exit（1）;
	}
	null_writer_fd?=?open（“/tmp/led-control“?O_WRONLY?|?O_NONBLOCK）;
	if?（null_writer_fd?		perror（“open?control?pipe?for?write“）;
		exit（1）;
	}

	for?（;;）?{
		fd_set?rds;
		int?ret;
		struct?timeval?step;
		step.tv_sec??=?0;
		step.tv_usec?=0.125*1000000L;
		FD_ZERO（&rds）;
		FD_SET（led_control_pipe?&rds）;
		ret?=?select（led_control_pipe?+?1?&rds?NULL?NULL?&step）;
		if?（ret?			perror（“select“）;
			exit（1）;
		}
		if?（ret?==?0）?{
			lightleds（）;
		}?else?if?（FD_ISSET（led_control_pipe?&rds））?{
			fprintf（stderr?“123123“）;
			static?char?buffer[200];
			for?（;;）?{
				char?c;
				int?len?=?strlen（buffer）;
				if?（len?>=?sizeof?buffer?-?1）?{
					memset（buffer?0?sizeof?buffer）;
					break;
				}
				if?（read（led_control_pipe?&c?1）?!=?1）?{
					break;
				}
				if?（c?==?‘\r‘）?{
					continue;
				}
				if?（c?==?‘\n‘）?{
					int?tmp_leds[4];
					if?（sscanf（buffer“%d%d%d%d“?&tmp_leds[0]?&tmp_leds[1]&tmp_leds[2]&tmp_leds[3]）?==?4）?{
						leds[0]?=?tmp_leds[0];
						leds[1]?=?tmp_leds[1];
						leds[2]?=?tmp_leds[2];
						leds[3]?=?tmp_leds[3];
					}
					fprintf（stderr?“LED?CONTROL:?%d?%d?%d?%d“?leds[0]leds[1]leds[2]leds[3]）;
					int?j;
					for（j=0;j<4;j++）?{
						if（leds[j]）
							fprintf（stderr“led%d?is?on\n“j+1）;
						else
							fprintf（stderr?“led%d?is?off\n“j+1）;
					}
					memset（buffer?0?sizeof?buffer）;
					break;
				}
				buffer[len]?=?c;
			}
		}
	}

	close（led_fd）;
	return?0;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????1152??2015-06-28?13:32??leds\hjs-led.html

?????文件???????2214??2015-06-28?10:13??leds\hjs_led.c

?????文件???????8461??2015-06-28?09:54??leds\hjs_led.o

?????文件????????204??2015-06-26?17:31??leds\hjs_start

?????文件????????529??2015-06-28?11:11??leds\led.cgi

?????文件????????287??2015-06-28?11:40??leds\result.html

?????目錄??????????0??2015-06-29?12:29??leds

-----------?---------??----------?-----??----

????????????????12847????????????????????7