i2c_soft.h

I2C signal control by software

#ifndef _B_I2C_H_
#define _B_I2C_H_

#define SET_SDA		setPA5()
#define CLR_SDA		clrPA5()
#define SET_SCL		setPA4()
#define CLR_SCL		clrPA4()

#define SDA_IN		setPAC5()
#define SDA_OUT		clrPAC5()
#define SCL_OUT		clrPAC4()
#define SCL_IN  	setPAC4()
#define READ_PORT		peekPA()
#define SDA		0x20    //PA5

#define DELAY_TIME 5 


/// about time control pcf8563
//chip address
#define PCF8563_ADDR		0xa2

// reg add
#define CON_REG0_ADD		0x00
#define CON_REG1_ADD		0x01
#define SEC_REG_ADD			0x02
#define MIN_REG_ADD			0x03
#define HOU_REG_ADD			0x04
#define DAT_REG_ADD			0x05
#define WEEK_REG_ADD		0x06
#define MON_REG_ADD			0x07
#define YEA_REG_ADD			0x08
#define MIN_ANR_REG_ADD		0x09
#define HOU_ANR_REG_ADD		0x0A
#define DAT_ANR_REG_ADD		0x0B
#define WEEK_ANR_REG_ADD	0x0C
#define CLKOUT_REG_ADD		0x0D
#define TIMER1_REG_ADD		0x0E
#define TIMER2_REG_ADD		0x0F
//reg add 

//reg 
#define CON_REG0			0x00		
#define CON_REG1			0x00		
#define SEC_REG				0x15		//vl=0, SEC:00
#define MIN_REG				0x53		//	   MIN:00
#define HOU_REG				0x18		//	   HOU:00
#define DAT_REG				0x04		//	   DAT:04
#define WEEK_REG			0x02		//	   WEEK:00
#define MON_REG				0x06		//	   MON:08
#define YEA_REG				0x01		//	   YEA:01
#define MIN_ANR_REG			0x00		//? 
#define HOU_ANR_REG			0x00		//?
#define DAT_ANR_REG			0x00		//?
#define WEEK_ANR_REG		0x00		//?
#define CLKOUT_REG			0x00		//?
#define TIMER1_REG			0x00		//?
#define TIMER2_REG			0x00		//?


// eeprom part
#define MTV24C08_ADDR		0xa8
#endif