/* Includes ----------------------------------------------------------------- */ #include "bsp/buzzer_gpio.h" #include "bsp/bsp.h" #include /* Private define ----------------------------------------------------------- */ /* Private macro ------------------------------------------------------------ */ /* Private typedef ---------------------------------------------------------- */ /* Private variables -------------------------------------------------------- */ /* Private function --------------------------------------------------------- */ /* Exported functions ------------------------------------------------------- */ int8_t BSP_Buzzer_Set(BSP_Buzzer_Status_t s) { switch (s) { case BSP_BUZZER_ON: HAL_GPIO_WritePin(GPIOA, GPIO_PIN_1, GPIO_PIN_SET); // 打开蜂鸣器 break; case BSP_BUZZER_OFF: HAL_GPIO_WritePin(GPIOA, GPIO_PIN_1, GPIO_PIN_RESET); // 关闭蜂鸣器 break; case BSP_BUZZER_TAGGLE: HAL_GPIO_TogglePin(GPIOA, GPIO_PIN_1); // 切换蜂鸣器状态 break; default: return -1; // 无效的状态 } return 0; // 成功 }