i2c_intf.h

display port接受芯片ANX9813的驱动代码。MCU使用LPC936FDH,内部包含AN9813寄存器设置

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#ifndef _I2C_INTF_H
#define _I2C_INTF_H

#include "Mcu.h" 

#define SDA_P P1_3       //lllll,
#define SCL_P P1_2       //lllll


#define PORT0_ADDR	0x50
#define PORT1_ADDR	0x8c

extern unsigned char i2c_dev_addr;

void i2c_init(void);
void i2c_set_dev_addr(unsigned char daddr);
char i2c_write_p0_reg(unsigned char offset, unsigned char d);
char i2c_write_p1_reg(unsigned char offset, unsigned char d);
char i2c_write_p0_regs(unsigned char offset, unsigned char *dat, unsigned char len);
char i2c_write_p1_regs(unsigned char offset, unsigned char *dat, unsigned char len);
char i2c_read_p0_reg(unsigned char offset, unsigned char *d);
char i2c_read_p1_reg(unsigned char offset, unsigned char *d);
char i2c_read_p0_regs(unsigned char offset, unsigned char *dat, unsigned char len);
char i2c_read_p1_regs(unsigned char offset, unsigned char *dat, unsigned char len);
char i2c_write_reg(unsigned char offset, unsigned char d);
char i2c_read_reg(unsigned char offset, unsigned char *d);

#endif