typedef enum {
HOSAL_IRQ_TRIG_NEG_PULSE, /**< @brief GPIO negedge pulse trigger interrupt */
HOSAL_IRQ_TRIG_POS_PULSE, /**< @brief GPIO posedge pulse trigger interrupt */
HOSAL_IRQ_TRIG_NEG_LEVEL, /**< @brief GPIO negedge level trigger interrupt (32k 3T)*/
HOSAL_IRQ_TRIG_POS_LEVEL, /**< @brief GPIO posedge level trigger interrupt (32k 3T)*/
} hosal_gpio_irq_trigger_t;
头文件里有这四个方式,我就是用的下降沿触发