linux 中断唤醒

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/timer.h>
#include <linux/suspend.h>

static struct timer_list wakeup_timer;

static void wakeup_timer_fn(unsigned long data) {
    printk(KERN_INFO "Wakeup timer expired, waking up system...\n");
    pm_wakeup_event(&wakeup_timer.dev, 0);
}

static int __init wakeup_init(void) {
    printk(KERN_INFO "Wakeup module loaded\n");

    setup_timer(&wakeup_timer, wakeup_timer_fn, 0);
    wakeup_timer.expires = jiffies + HZ * 60; // 60 seconds
    add_timer(&wakeup_timer);

    return 0;
}

static void __exit wakeup_exit(void) {
    printk(KERN_INFO "Wakeup module unloaded\n");
    del_timer(&wakeup_timer);
}

module_init(wakeup_init);
module_exit(wakeup_exit);

MODULE_LICENSE("GPL");
MODULE_AUTHOR("Your Name");
MODULE_DESCRIPTION("Linux wakeup module");