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IIC接收I2C_INT_FLAG_STPDET中断后为什么要重新使能IIC sos
iic中断接收例程中,这个操作是干什么用的 观察寄存器实际还在使能状态,这个个代码看起来没有任何作用,但是不加还不行,为什么 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[/img]
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联合体该如何设置某一位
联合体如下: union SFLAG { struct { uint8_t b0 : 1; uint8_t b1 : 1; uint8_t b2 : 1; uint8_t b3 : 1; uint8_t b4 : 1; uint8_t b5 : 1; uint8_t b6 : 1; uint8_t b7 : 1; uint8_t b8 : 1; uint8_t b9 : 1; uint8_t b10 : 1; uint8_t b11 : 1; uint8_t b12 : 1; uint8_t b13 : 1; uint8_t b14 : 1; uint8_t b15 : 1; } bits; uint16_t bytes; }; union SFLAG Sflag = {0}; 现在想设置b0 位的值,该如何写代码,试用 Sflag.bytes &=0x01; 怎么不对呢??? 请高手帮助解决,谢谢!!
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