QD4C-firmware/app/by_rt_button.c

#include "by_rt_button.h"
#include "zf_common_headfile.h"
#include "by_imu.h"
uint8_t rotate_button;

/**
 * @brief 查询旋钮状态 - 查询后状态归零
 *
 * @return uint8_t 当前旋钮状态
 */
uint8_t by_get_rb_status(void)
{
    uint8_t temp_s = rotate_button;
    rotate_button  = rotate_button_none;
    return temp_s;
}

void by_rb_init(void)
{
    gpio_init(B9, GPI, GPIO_HIGH, GPI_PULL_UP);
    gpio_init(E0, GPI, GPIO_HIGH, GPI_PULL_UP);
    gpio_init(E1, GPI, GPIO_HIGH, GPI_PULL_UP);

    exti_init(E0, EXTI_TRIGGER_FALLING);
    exti_init(E1, EXTI_TRIGGER_BOTH);
}