i2c.h

lcd interface code for lpc214x series micro controllers

/**********************/
/*i2c.h				  */
/*Pierre Seguin		  */
/*[e-mail] */
/**********************/
#include <inttypes.h>

#define STA	0x20
#define SIC	0x08
#define SI	0x08
#define STO	0x10
#define STAC 0x20
#define AA	0x04

#define STOPI2C		I2C_I2CONCLR = SIC; I2C_I2CONSET=STO; while((I2C_I2CONSET&STO));//Stop bus I2C



void InitI2C(void);
void SendSlaveAdress(uint8_t Addr_S);
uint8_t ReadOnI2C(void);
void WriteOnI2C(uint8_t Data);
unsigned char bcdtochar(unsigned char bcdnum);
unsigned char chartobcd(unsigned char n);
uint8_t WriteRTC(uint8_t Addr,uint8_t Data);
uint8_t ReadRTC(uint8_t Addr, uint8_t maskoff);