/*
* Read the state of the port. The port can be input
* or output.
* @gpio the GPIO pin to read from.
* @return GPIO_HIGH if the pin is HIGH, GPIO_LOW if the pin is low. Output
* is -1 when an error occurred.
*/
int gpio_read_and_close(int gpio)
{
int state; /* The port state */
/* Reserve the port */
if(!gpio_reserve(gpio)) {
return -1;
}
/* Read the port */
state = gpio_get_state(gpio);
if(!gpio_release(gpio)) {
return -1;
}
/* Return the port state */
return state;
}
/**
* Получить состояние питания компьютера
*/
int
desktop_get_power_state(void)
{
return !gpio_get_state(&gpio_list[MCU_GPIO_POWER_STATE]);
}
static void readDiagPin() {
diagState = gpio_get_state(DIAG_PIN);
}