GC24001/Hardware/hw_power_off.c

#include "board.h"


#define POWER_OFF_PORT      GPIOA
#define POWER_OFF_PIN       0

#define POWER_IS_OFF()  (gpio_input_bit_get(POWER_OFF_PORT, (1<<POWER_OFF_PIN))==RESET)
#define POWER_IS_ON()  (gpio_input_bit_get(POWER_OFF_PORT, (1<<POWER_OFF_PIN))==SET)





/**
 * 掉电检测的硬件初始化
 *
 * @author lxz (2019/5/30/周四)
 *
 * @param void
 */
void hw_power_off_init(void)
{
    unsigned long port;
    unsigned short pin;

    port = POWER_OFF_PORT;
    pin = 1 << POWER_OFF_PIN;
    if (port != 0) {
        //使能时钟
        rcu_periph_clock_enable(rcu_periph_clock_bit(port));
        //配置IO为输入
        gpio_mode_set(port, GPIO_MODE_INPUT, GPIO_PUPD_PULLUP, pin);
        gpio_output_options_set(port, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, pin);
    }
}

/**
 * 电源是否关闭
 *
 * @author lxz (2019/5/29/周三)
 *
 * @param void
 *
 * @return int
 */
int hw_power_is_off(void)
{
    return POWER_IS_OFF();
}

/**
 * 电源是否打开
 *
 * @author lxz (2019/5/29/周三)
 *
 * @param void
 *
 * @return int
 */
int hw_power_is_on(void)
{
    return POWER_IS_ON();
}