怎么不使用IO模式?
#define SCL_H PIN_setOutputValue(pinHandle, Board_DIO21, 1)//PIN_init(SCL_H1)//I2C1_GPIO_Port->BSRR = I2C1_SCL
#define SCL_L PIN_setOutputValue(pinHandle, Board_DIO21, 0)//PIN_init(SCL_L1)//I2C1_GPIO_Port->BSRR = (uint32_t)I2C1_SCL BSRR = I2C1_SDA
#define SDA_L PIN_setOutputValue(pinHandle, Board_DIO22, 0)//PIN_init(SDA_L1)//I2C1_GPIO_Port->BSRR = (uint32_t)I2C1_SDA