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#ifndef __I2C_H
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#ifndef __I2C_H
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#define __I2C_H
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#define __I2C_H
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#define I2C_SLAVE_ADDRESS               0x50
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#define I2C_CMD_VERSION                 0x01
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#define I2C_CMD_VERSION                 0x01
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#define I2C_CMD_READ_MAG        0x02
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#define I2C_CMD_READ_MAG        0x02
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#define I2C_CMD_READ_HEADING    0x03
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#define I2C_CMD_READ_HEADING    0x03
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#define I2C_CMD_WRITE_CAL       0x04
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#define I2C_CMD_WRITE_CAL       0x04
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typedef struct
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typedef struct
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{
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{
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  u8 Major;
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  u8 Major;
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  u8 Minor;
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  u8 Minor;
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  u8 Patch;
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  u8 Patch;
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  u8 Compatible;
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  u8 Compatible;
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} __attribute__((packed)) I2C_Version_t;
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} __attribute__((packed)) I2C_Version_t;
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typedef struct
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typedef struct
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{
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{
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  s16 MagX;
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  s16 MagX;
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  s16 MagY;
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  s16 MagY;
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  s16 MagZ;
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  s16 MagZ;
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} __attribute__((packed)) I2C_Mag_t;
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} __attribute__((packed)) I2C_Mag_t;
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typedef struct
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typedef struct
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{
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{
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  s16 Nick;
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  s16 Nick;
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  s16 Roll;
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  s16 Roll;
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} __attribute__((packed)) I2C_WriteAttitude_t;
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} __attribute__((packed)) I2C_WriteAttitude_t;
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typedef struct
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typedef struct
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{
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{
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  u8 CalByte;
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  u8 CalByte;
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  u8 Dummy1;
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  u8 Dummy1;
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  u8 Dummy2;
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  u8 Dummy2;
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} __attribute__((packed)) I2C_Cal_t;
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} __attribute__((packed)) I2C_Cal_t;
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typedef struct
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typedef struct
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{
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{
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  s16 Heading;
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  s16 Heading;
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} __attribute__((packed)) I2C_Heading_t;
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} __attribute__((packed)) I2C_Heading_t;
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typedef enum
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{
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        I2C_UNDEF,
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        I2C_IDLE,
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        I2C_TX_PROGRESS,
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        I2C_RX_PENDING,
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        I2C_RX_PROGRESS,
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        I2C_OFF
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} I2C_State_t;
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extern volatile I2C_State_t I2C_State;
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extern volatile u8 I2C_Direction;
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extern volatile u32 I2C1_Timeout;
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extern volatile u32 I2C1_Timeout;
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extern volatile I2C_Heading_t           I2C_Heading;
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extern volatile I2C_Heading_t           I2C_Heading;
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extern volatile I2C_WriteAttitude_t I2C_WriteAttitude;
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extern volatile I2C_Mag_t                       I2C_Mag;
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extern volatile I2C_Mag_t                       I2C_Mag;
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extern volatile I2C_Version_t           MK3MAG_Version;
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extern volatile I2C_Version_t           MK3MAG_Version;
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extern volatile I2C_Cal_t                       I2C_WriteCal;
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extern volatile I2C_Cal_t                       I2C_ReadCal;
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void I2C1_Init(void);
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void I2C1_Init(void);
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void I2C1_Deinit(void);
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void I2C1_Deinit(void);
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void I2C1_SendCommand(u8 command);
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void I2C1_SendCommand(u8 command);
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void I2C1_GetMK3MagVersion(void);
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void I2C1_GetMK3MagVersion(void);
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void I2C1_UpdateCompass(void);
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void I2C1_UpdateCompass(void);
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#endif // I2C_H
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#endif // I2C_H
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