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feiyangczm — Tue, 01 Sep 2009 01:56:36 +0000

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kasim — Tue, 01 Sep 2009 01:38:56 +0000

[quote]��õ�13¥feiyangczm��2009-08-31 19:20�� 11¥(kasim) �� : ��ǲ��˵��⻹�ǳ��ڲ��Գ��棿 ��Ǹ��﷨��ȷʵ��ˡ��﷨��ȷʵҪ��ǿ��ˣ��ҵ�C�͵�Ƭ��ѧϰ��Լ��½��еģ��кܶ಻�㣬��Ľ� [/quote] ��Ѿ�˵��ҵ��ķ��Ҫ��Լ�ȥ�ң� �ҵ� ..

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feiyangczm — Mon, 31 Aug 2009 11:20:39 +0000

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kasim — Mon, 31 Aug 2009 03:18:58 +0000

[code] char buff_r;int fd; void input_handler(int signum) { int i; read(fd,buff_r,1); printf("the keynum is,signalnum:%d\n",signum);[/code] ��⣬�ú��C��Ի��Ҫ�ѱ��ͱ��ĵ�ַ��

kasim — Mon, 31 Aug 2009 03:17:08 +0000

��˵��ˡ�� [quote]Backtrace: Function entered at [] from [] r8:00000003 r7:00000003 r6:00002002 r5:00000000 r4:c3d10d40 Function entered at [] from [] Function entered at [] from [] r7 ..

feiyangczm — Mon, 31 Aug 2009 02:28:14 +0000

�ҽ��쿪ʼ��´��첽֪ͨ��button��һ��⣬�ҵĲ��Գ��ִ��ʱ��һ�ѵ��Ϣ��һ�ο��֪��ʱʲô��ʦ��ǲ��ǿ�� ǳ��ֵĴ��Ϣ�� Not tainted (2.6.22.6 #84)00b0 00020001 0000001d 00000037 30023 pc : [] lr : [< ..

feiyangczm — Sat, 29 Aug 2009 01:16:32 +0000

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feiyangczm — Sat, 29 Aug 2009 01:12:05 +0000

��ҵ��ˣ��Ҫ��﷨��һ��typedef �Ķ��ˣ��Ұѽṹ�嶨��ǰ��typedef ȥ��static button_dev *button;ǰ��Ӹ�struct�Ϳ��ˣ�лл��λʦ�ֵİ��Ŀǰ�ҵĻ�û��ȫʵ�֣��Ϊ��Ȼ��Ѿ��ɹ��ˣ��Գ��д��Լ��ٿ��Ҳ��⣬��Ҫ��ʦ ..

mini2440 — Thu, 27 Aug 2009 04:51:22 +0000

#include #include #include #include #include #include #include #include #include #include

mini2440 — Wed, 26 Aug 2009 14:51:23 +0000

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feiyangczm — Wed, 26 Aug 2009 14:37:22 +0000

ллʦ�ֵĻظ��һ��ȥ�ú��һ��2��ʣ��һ��fasync_helper��ԭ��еĵ��ǰ��*,��ǲ��Ҫ��ȡ��ַ�� ڶ��fasync_helper��ô��ˣ��if(dev->async_queue)��kill_fasync(&dev->asycn_queue,SIGIO,POLL_IN);��Ӧ�ô��ʵ��һ��ģ� ..

mini2440 — Wed, 26 Aug 2009 14:30:43 +0000

��ϸ��Լ��ݽṹ typedef struct { unsigned int buttonStatus; unsigned char buf[MAX_BUTTON_BUF]; unsigned int head,tail; wait_queue_head_t wq; struct fasync_struct *async_queue; struct cdev cdev; } BUTTON_DEV struct fasync_struct *async_queue;��Ѿ��ָ��ˣ��㻹��ȡ��ַ��õ�ʲô��ֱ�� ..

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feiyangczm — Wed, 26 Aug 2009 13:52:19 +0000

��λʦ�֣��ĳ��ҿ��ˣ��и��ط�û�� minibtb_open��õ� struct button_dev *dev; /* device information */ dev = container_of(inode->i_cdev, struct button_dev,button_cdev); & ..

feiyangczm — Wed, 26 Aug 2009 02:30:13 +0000

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jeefjiang — Tue, 25 Aug 2009 12:27:47 +0000

��ں˰汾�仯�ˣ��ں�API�Լ��ݽṹҲ��˱仯��ڷ��֮ǰ��ָ��ں˰汾��ҵ�һ�� [url]http://blog.chinaunix.net/u2/69999/showart.php?id=1986143[/url]

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Re:�� 11¥(kasim) ��

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