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#include <linux/module.h>//¾ßÌåµÄÍ·ÎļþλÖÃΪ/opt/FriendlyARM/mini2440/linux-2.6.29/include/linux/*.h
#include <linux/kernel.h>
#include <linux/fs.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/poll.h>
#include <linux/irq.h>
#include <asm/irq.h>
#include <linux/interrupt.h>
#include <asm/uaccess.h>
#include <mach/regs-gpio.h>//¾ßÌåÍ·ÎļþλÖÃ/opt/FriendlyARM/mini2440/linux-2.6.29/arch/arm/mach-s3c2410/include/mach/*.h
#include <mach/hardware.h>
#include <linux/platform_device.h>
#include <linux/cdev.h>
#include <linux/miscdevice.h>
#include <linux/ioctl.h>
#define DEVICE_NAME "buttons"
struct button_irq_desc {
int irq;
int pin;
int pin_setting;
int number;
char *name;
};
static struct button_irq_desc button_irqs [] = {
{IRQ_EINT8 , S3C2410_GPG0 , S3C2410_GPG0_EINT8 , 0, "KEY0"},
{IRQ_EINT11, S3C2410_GPG3 , S3C2410_GPG3_EINT11 , 1, "KEY1"},
{IRQ_EINT13, S3C2410_GPG5 , S3C2410_GPG5_EINT13 , 2, "KEY2"},
{IRQ_EINT14, S3C2410_GPG6 , S3C2410_GPG6_EINT14 , 3, "KEY3"},
{IRQ_EINT15, S3C2410_GPG7 , S3C2410_GPG7_EINT15 , 4, "KEY4"},
{IRQ_EINT19, S3C2410_GPG11, S3C2410_GPG11_EINT19, 5, "KEY5"},
};
/* ÉÏÃæ³õʼ»¯³ÉÔ±ÀïµÄS3C2410_GPG0_EINT0ÔÚ/opt/FriendlyARM/mini2440/linux-2.6.29/arch /arm/mach-s3c2410/include/mach/regs-gpio.hÖж¨ÒåΪ
#define S3C2410_GPF0_EINT0 (0x02 << 0)£¬¼´ÎªÎÒÃÇÇ°ÃæËµµÄ“10”ģʽ£¬ÆäËûµÄ¹Ü½ÅÀàËÆ¡£Õâ¸ö³õʼ»¯º¯ÊýµÄ×÷ÓþÍÊǽ«ÈçS3C2410_GPF0_EINT0µÄģʽдÈëµØÖ·ÎªÈç S3C2410_GPF0µÄ¼Ä´æÆ÷À²¢½«Õâ¸ö¹Ü½ÅÉèÖóÉÖжÏģʽ£¬ÒÔ¼°Ìí¼ÓһЩÆäËûÐÅÏ¢¡£*/
static volatile char key_values [] = {'0', '0', '0', '0', '0', '0'};
//ÉùÃ÷LEDµÄ¹Ü½Å
static unsigned long led_table [] ={ S3C2410_GPB5, S3C2410_GPB6, S3C2410_GPB7, S3C2410_GPB8,};
// ÉùÃ÷LED¹Ü½ÅµÄÅäÖÃÐÅÏ¢£¬´Ë´¦µÄ S3C2410_GPB8_OUTPÓëÉÏÃæµÄS3C2410_GPF0_EINT0ÀàËÆ¡£
static unsigned int led_cfg_table [] = { S3C2410_GPB5_OUTP, S3C


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