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GPIO模拟IIC,可读可写,已验证

1 #include "iic.h" 2 3 void IIC0_Delay(u32 count) 4 { 5 for(uint32_t i= count*3;i>0;i--){} 6 //Sys_HardDelayUs(count); 7 //rt_thread_mdelay(1); 8 } 9 void SCL0_OUT(void) 10 { 11 gpio_init(GPIOB, GPIO_MODE_