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ÕªÒª£º #include <reg52.h> #include <intrins.h> #define DATAOUTPUT P0 unsigned char code num[] = "0123456789ABCDEF"; sbit SDA = P2^0; sbit SCL = P2^1; sbit LE ÔĶÁÈ«ÎÄ

ÕªÒª£º 51´úÂëÒ³¶ÁдIIC--Ä£ÄâIIC #include <reg52.h> #include <intrins.h> sbit SDA = P0^0; sbit SCL = P0^1; sbit LED = P2^0; unsigned char code table[] = {0x1c,0X3B,0 ÔĶÁÈ«ÎÄ

ÕªÒª£º #include "spi.h" void SPI_GPIO_Init(void) { //hardware make PSB low to enable serial communication GPIO_InitTypeDef GPIO_InitStruct; RCC_APB2PeriphClo ÔĶÁÈ«ÎÄ

ÕªÒª£º CH1--SDA; CH2--SCL¡£ #include "iic.h" void IIC_GPIO_Init(void) { GPIO_InitTypeDef GPIO_InitStruct; RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE) ÔĶÁÈ«ÎÄ

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