ssize_t _write(struct file *mfile, const char *gdata, size_t length, loff_t *off_what){
int ret;
if(interruptCount == 0){
ret = request_irq(gpio_to_irq(S5PV310_GPX2(0)), &StartButton, IRQF_TRIGGER_RISING, "X2.0", NULL);
ret = request_irq(gpio_to_irq(S5PV310_GPX2(1)), &PauseButton, IRQF_TRIGGER_RISING, "X2.1", NULL);
ret = request_irq(gpio_to_irq(S5PV310_GPX2(2)), &ResetButton, IRQF_TRIGGER_RISING, "X2.2", NULL);
ret = request_irq(gpio_to_irq(S5PV310_GPX2(4)), &ExitButton, IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, "X2.4", NULL);
Reset(&my_stopwatch);
timer_init(&my_stopwatch);
printk("SleepStart!\n");
while(true){
gpio_fnd_write(my_gpio_fnd(1, my_stopwatch.min / 10));
msleep(5);
gpio_fnd_write(my_gpio_fnd(2, my_stopwatch.min % 10));
msleep(5);
gpio_fnd_write(my_gpio_fnd(3, my_stopwatch.sec / 10));
msleep(5);
gpio_fnd_write(my_gpio_fnd(4, my_stopwatch.sec % 10));
msleep(5);
if(shutdown_timer_start){
if(!shutdown_timer_watch_start){ // timer start.
shutdown_timer_watch_start = true;
time = get_jiffies_64();
printk("add timer %u\n", time);
}else{
; // ignore.
}
}else{
if(shutdown_timer_watch_start){
shutdown_timer_watch_start = false;
unsigned int now = get_jiffies_64();
printk("get timer %u\n", now);
if(now - time >= 3*HZ)
break;
}
}
}
gpio_fnd_write(0xFF);
timer_exit();
free_irq(gpio_to_irq(S5PV310_GPX2(0)), NULL);
free_irq(gpio_to_irq(S5PV310_GPX2(1)), NULL);
free_irq(gpio_to_irq(S5PV310_GPX2(2)), NULL);
free_irq(gpio_to_irq(S5PV310_GPX2(4)), NULL);
}
return 0;
}
static int s5pv310_gpio2int(struct gpio_chip *chip, unsigned pin)
{
int ret = 0;
int base = chip->base;
switch (base) {
case S5PV310_GPX0(0):
ret = IRQ_EINT(0) + pin;
break;
case S5PV310_GPX1(0):
ret = IRQ_EINT(8) + pin;
break;
case S5PV310_GPX2(0):
ret = IRQ_EINT(16) + pin;
break;
case S5PV310_GPX3(0):
ret = IRQ_EINT(24) + pin;
break;
}
return ret;
}
.to_irq = s5pv310_gpio2int,
},
}, {
.base = (S5PV310_VA_GPIO2 + 0xC20),
.config = &gpio_cfg_noint,
.chip = {
.base = S5PV310_GPX1(0),
.ngpio = S5PV310_GPIO_X1_NR,
.label = "GPX1",
.to_irq = s5pv310_gpio2int,
},
}, {
.base = (S5PV310_VA_GPIO2 + 0xC40),
.config = &gpio_cfg_noint,
.chip = {
.base = S5PV310_GPX2(0),
.ngpio = S5PV310_GPIO_X2_NR,
.label = "GPX2",
.to_irq = s5pv310_gpio2int,
},
}, {
.base = (S5PV310_VA_GPIO2 + 0xC60),
.config = &gpio_cfg_noint,
.chip = {
.base = S5PV310_GPX3(0),
.ngpio = S5PV310_GPIO_X3_NR,
.label = "GPX3",
.to_irq = s5pv310_gpio2int,
},
}, {
.base = (S5PV310_VA_GPIO2 + 0x120),