typedef enum
{
GPIO_MODE_IN_FL_NO_IT = (u8)0b00000000, /*!< Input floating, no external interrupt */
GPIO_MODE_IN_PU_NO_IT = (u8)0b01000000, /*!< Input pull-up, no external interrupt */
GPIO_MODE_IN_FL_IT = (u8)0b00100000, /*!< Input floating, external interrupt */
GPIO_MODE_IN_PU_IT = (u8)0b01100000, /*!< Input pull-up, external interrupt */
GPIO_MODE_OUT_OD_LOW_FAST = (u8)0b10100000, /*!< Output open-drain, low level, 10MHz */
GPIO_MODE_OUT_PP_LOW_FAST = (u8)0b11100000, /*!< Output push-pull, low level, 10MHz */
GPIO_MODE_OUT_OD_LOW_SLOW = (u8)0b10000000, /*!< Output open-drain, low level, 2MHz */
GPIO_MODE_OUT_PP_LOW_SLOW = (u8)0b11000000, /*!< Output push-pull, low level, 2MHz */
GPIO_MODE_OUT_OD_HIZ_FAST = (u8)0b10110000, /*!< Output open-drain, high-impedance level,10MHz */
GPIO_MODE_OUT_PP_HIGH_FAST = (u8)0b11110000, /*!< Output push-pull, high level, 10MHz */
GPIO_MODE_OUT_OD_HIZ_SLOW = (u8)0b10010000, /*!< Output open-drain, high-impedance level, 2MHz */
GPIO_MODE_OUT_PP_HIGH_SLOW = (u8)0b11010000 /*!< Output push-pull, high level, 2MHz */
}GPIO_Mode_TypeDef;
改为#define GPIO_MODE_IN_FL_NO_IT (u8)0b00000000
等等就行了
#define GPIO_Mode_TypeDef u8
然后库的警告就少很多了，
某些读-清除的 加上 3楼说的方法就行了，没一点警告了
stm32/stm8