STM32F4 软件模拟IIC

参考文档： https://blog.csdn.net/shaguahaha/article/details/70766665 IIC时序图 web //初始化IIC void IIC_Init(void) { RCC->AHB1ENR|=1<<1; //使能PORTB时钟 GPIO_Set(GPIOB,PIN8|PIN9,GPIO_MODE_OUT,G

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