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3995| 2
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io方向设置报错,求解答 |
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1金钱
最佳答案改为
#define MPU_SDA_IN() {GPIOB->CRL&=0X0FFFFFFF;GPIOB->CRL|=0x80000000;}
#define MPU_SDA_OUT() {GPIOB->CRL&=0X0FFFFFFF;GPIOB->CRL|=0x30000000;}
或者是
#define MPU_SDA_IN() {GPIOB->CRL&=0X0FFFFFFF;GPIOB->CRL|=(u32)8CRL|=(u32)3
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He who fights with monsters should look to it that he himself does not become a monster, when you gaze long into the abyss, the abyss also gazes into you.
过于执着就会陷入其中,迷失自己,困住自己。 |
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