stm32f103实现常用模拟IIC
#define SDA_IN() {GPIOA->CRL&=0X0FFFFFFF;GPIOA->CRL|=(u32)8<<28;}#define SDA_OUT() { ...
花费 45 ms
stm32F103 驱动74HC595
#define RCK595 PAout(4)#define SI595 PAout(7)#define SCK595 PAout(5) void _74HC595_Init(void){ G ...
stm32f767 实现模拟SMBUS驱动bq4050
#define SDA_IN() {GPIOB->MODER&=~(3<<(7*2));GPIOB->MODER|=0<<7*2;} //PB7输入模式#d ...