24cxx.h

可用于任何单片机平台的I2C总线读写程序

#ifndef __24CXX_H__
#define __24CXX_H__    
    sbit     SDA  = P3^5;
    sbit     SCL  = P3^6;
    sbit     WP   = P3^7;
    //----------------------
    # define SDA_H  SDA = 1
    # define SDA_L  SDA = 0
    # define SCL_H  SCL = 1
    # define SCL_L  SCL = 0
    # define SDA_I  SDA = 1		//--SDA输入时，保护作用--
    # define WP_H   WP  = 1
    # define WP_L   WP  = 0
    # define NOP    _nop_()
    //-------------------------
	extern unsigned char e24_read(unsigned int addr);
	extern unsigned char e24_write(unsigned int addr, unsigned char write_data);
	extern void set232(uint8 seri_baud, uint8 seri_mode);
	extern uint8 e24_pagewrite(uint8 pro_num, uint8 * data_array);
	extern void check_flash(void);
#endif