#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?

/*?
wvm_buttonstest?
??*/
int?fd;

void?my_signal_fun（int?signum）
{
	unsigned?char?key_val;
	read（fd?&key_val?1）;
	printf（“key_val:?0x%x\n“?key_val）;
}

int?main（int?argc?char?**argv）
{
	unsigned?char?key_val;
	int?ret;
	int?Oflags;

	signal（SIGIO?my_signal_fun）;
	
	fd?=?open（“/dev/buttons“?O_RDWR）;
	if?（fd?	{
		printf（“can‘t?open!\n“）;
	}

	fcntl（fd?F_SETOWN?getpid（））;
	
	Oflags?=?fcntl（fd?F_GETFL）;?
	
	fcntl（fd?F_SETFL?Oflags?|?FASYNC）;


	while?（1）
	{
		sleep（1000）;
	}
	
	return?0;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2015-04-09?10:29??GSM項目\
?????文件??????165988??2014-08-05?23:10??GSM項目\ASIIC字碼表.jpg
?????文件????????5965??2014-08-02?21:17??GSM項目\AT指令（調(diào)試指令篇）.txt
?????文件???????13414??2014-07-09?21:53??GSM項目\GSM_test.c.bak
?????文件?????????140??2014-07-06?23:36??GSM項目\GSM項目調(diào)試.txt
?????文件?????2184759??2012-12-25?22:29??GSM項目\SIM900A_AT命令手冊_V1.05.pdf
?????文件??????372736??2014-07-07?16:35??GSM項目\SIM900基站定位調(diào)試筆本.doc
?????目錄???????????0??2015-04-09?10:29??GSM項目\gsm\
?????文件???????13412??2014-07-09?22:02??GSM項目\gsm\GSM_test.c
?????文件??????292646??2011-01-11?20:39??GSM項目\常用AT指令（中文）.pdf
?????文件??????398848??2011-03-22?21:28??GSM項目\漢字UNICODE互換工具.exe
?????目錄???????????0??2015-04-09?10:29??PWM\
?????文件??????210044??2014-08-01?11:33??PWM\2567.wav
?????文件???????97149??2014-07-31?10:26??PWM\4610b912c8fcc3ce861378529345d688d53f20fb.jpg.png
?????目錄???????????0??2015-04-09?10:29??PWM\pwm\
?????目錄???????????0??2015-04-09?10:29??PWM\pwm\1th\
?????文件?????????197??2014-07-31?16:12??PWM\pwm\1th\Makefile
?????文件?????????197??2014-05-27?10:06??PWM\pwm\1th\Makefile.bak
?????文件????????3105??2010-01-06?11:26??PWM\pwm\1th\mini2440_pwm.c
?????文件?????????764??2014-07-31?19:33??PWM\pwm\1th\pwm_test.c
?????文件?????????777??2014-07-31?19:32??PWM\pwm\1th\pwm_test.c.bak
?????文件????????4650??2014-07-31?19:51??PWM\pwm\1th\wvm_pwm.c
?????文件????????4651??2014-07-31?19:49??PWM\pwm\1th\wvm_pwm.c.bak
?????目錄???????????0??2015-04-09?10:29??PWM\pwm\2th\
?????文件?????????197??2014-07-31?16:12??PWM\pwm\2th\Makefile
?????文件?????????197??2014-05-27?10:06??PWM\pwm\2th\Makefile.bak
?????文件????????3105??2010-01-06?11:26??PWM\pwm\2th\mini2440_pwm.c
?????文件????????1135??2014-08-01?13:57??PWM\pwm\2th\pwm_test.c
?????文件????????1136??2014-08-01?13:56??PWM\pwm\2th\pwm_test.c.bak
?????文件????????4650??2014-07-31?23:30??PWM\pwm\2th\wvm_pwm.c
?????文件????????4650??2014-07-31?19:51??PWM\pwm\2th\wvm_pwm.c.bak
............此處省略183個文件信息