/* 
 * File:   my_i2c_v4.h
 * Author: vm
 *
 * Created on May 16, 2013, 3:47 AM
 */


#define I2C_SCL	TRISCbits.TRISC1
#define I2C_SDA	TRISCbits.TRISC0

/* SSPCON1 REGISTER */
#define   SSPENB    			0b00100000  	/* Enable serial port and configures SCK, SDO, SDI*/
#define   SLAVE_7   			0b00000110     	/* I2C Slave mode, 7-bit address*/
#define   SLAVE_10  			0b00000111    	/* I2C Slave mode, 10-bit address*/
#define   MASTER    			0b00001000     	/* I2C Master mode */
#define   MASTER_FIRMW			0b00001011		//I2C Firmware Controlled Master mode (slave Idle)
#define   SLAVE_7_STSP_INT 		0b00001110		//I2C Slave mode, 7-bit address with Start and Stop bit interrupts enabled
#define   SLAVE_10_STSP_INT 	0b00001111		//I2C Slave mode, 10-bit address with Start and Stop bit interrupts enabled

/* SSPSTAT REGISTER */
#define   SLEW_OFF  			0b10000000  	/* Slew rate disabled for 100kHz mode */
#define   SLEW_ON   			0b00000000  	/* Slew rate enabled for 400kHz mode  */

#define  getcI2C  ReadI2C
#define  putcI2C  WriteI2C


/** P R I V A T E  P R O T O T Y P E S ***************************************/
void IdleI2C(void);
void OpenI2C( unsigned char sync_mode, unsigned char slew );
signed char getsI2C( unsigned char *rdptr, unsigned char length );
unsigned char ReadI2C( void );
signed char putsI2C( unsigned char *wrptr );
void NotAckI2C( void );
void CloseI2C( void );
signed char WriteI2C( unsigned char data_out );
void StartI2C( void );
void RestartI2C( void );
void StopI2C( void );