Subversion Repositories MK3Mag

#ifndef _TWI_SLAVE_H_
#define _TWI_SLAVE_H_

#define I2C_SLAVE_ADDRESS 0x50

#define I2C_CMD_VERSION   0x01
struct str_I2C_Version
{
  unsigned char Hauptversion;
  unsigned char Nebenversion;
  unsigned char Comp;
} ;

#define I2C_CMD_WRITE_EEPROM   0x0A
#define I2C_CMD_READ_EEPROM    0x0B
struct str_I2C_EEPROM
{
  unsigned char Adresse;
  unsigned int Inhalt;
} ;

#define I2C_CMD_READ_MAG     0x02
struct str_I2C_Mag
{
  int MagX;
  int MagY;
  int MagZ;
} ;

#define I2C_CMD_READ_HEADING     0x03
struct str_I2C_WriteNickRoll
{
  int Nick;
  int Roll;
} ;

#define I2C_CMD_WRITE_CAL     0x04
struct str_I2C_WriteCal
{
  unsigned char CalByte;
  unsigned char Dummy1;
  unsigned char Dummy2;
} ;

struct str_I2C_Heading
{
  unsigned int Heading;
} ;


extern unsigned char Tx_Idx, Rx_Idx, I2C_Direction;

extern struct str_I2C_Heading       I2C_Heading;
extern struct str_I2C_WriteNickRoll I2C_WriteNickRoll;
extern struct str_I2C_Mag           I2C_Mag;
extern struct str_I2C_EEPROM        I2C_ReadEEPROM, I2C_WriteEEPROM;
extern struct str_I2C_Version       I2C_Version;
extern struct str_I2C_WriteCal      I2C_WriteCal;


extern void InitIC2_Slave (void);

#define TWI_BUS_ERR_1   0x00
#define TWI_BUS_ERR_2   0xF8

// Status Slave RX Mode
#define SR_SLA_ACK      0x60
#define SR_LOST_ACK     0x68
#define SR_GEN_CALL_ACK 0x70
#define GEN_LOST_ACK    0x78
#define SR_PREV_ACK     0x80
#define SR_PREV_NACK    0x88
#define GEN_PREV_ACK    0x90
#define GEN_PREV_NACK   0x98
#define STOP_CONDITION  0xA0
#define REPEATED_START  0xA0

// Status Slave TX mode
#define SW_SLA_ACK      0xA8
#define SW_LOST_ACK     0xB0
#define SW_DATA_ACK     0xB8
#define SW_DATA_NACK    0xC0
#define SW_LAST_ACK     0xC8

#endif