kobecjy234

简单实用的I2C #ifndef _I2C_H_ #define _I2C_H_ #ifdef _I2C_C_ #define _I2CDEC_ #else #define _I2CDEC_ extern #endif typedef enum i2c_direction { I2C_WRITE,

简单实用的CRC16bit 实际项目中应用若干年 #ifndef CRC_H #define CRC_H #ifndef CRC #define externok extern #endif externok unsigned char SumCheck(unsigned char *address

crc8lookup，单片机实用 简单实用的CRC #ifndef CRC_H #define CRC_H #ifndef CRC #define externok extern #endif externok unsigned char SumGet(unsigned char *address,