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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 41 | ingob | 1 | #ifndef __I2C_H |
| 2 | #define __I2C_H |
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| 1 | ingob | 3 | |
| 4 | |||
| 41 | ingob | 5 | #define I2C_SLAVE_ADDRESS 0x50 |
| 1 | ingob | 6 | |
| 41 | ingob | 7 | #define I2C_CMD_VERSION 0x01 |
| 8 | #define I2C_CMD_READ_MAG 0x02 |
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| 9 | #define I2C_CMD_READ_HEADING 0x03 |
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| 10 | #define I2C_CMD_WRITE_CAL 0x04 |
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| 1 | ingob | 11 | |
| 41 | ingob | 12 | |
| 13 | typedef struct |
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| 1 | ingob | 14 | { |
| 41 | ingob | 15 | u8 Major; |
| 16 | u8 Minor; |
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| 17 | u8 Patch; |
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| 18 | u8 Compatible; |
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| 19 | } __attribute__((packed)) I2C_Version_t; |
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| 1 | ingob | 20 | |
| 41 | ingob | 21 | typedef struct |
| 1 | ingob | 22 | { |
| 41 | ingob | 23 | s16 MagX; |
| 24 | s16 MagY; |
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| 25 | s16 MagZ; |
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| 26 | } __attribute__((packed)) I2C_Mag_t; |
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| 1 | ingob | 27 | |
| 41 | ingob | 28 | |
| 29 | typedef struct |
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| 1 | ingob | 30 | { |
| 31 | s16 Nick; |
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| 32 | s16 Roll; |
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| 41 | ingob | 33 | } __attribute__((packed)) I2C_WriteAttitude_t; |
| 1 | ingob | 34 | |
| 41 | ingob | 35 | |
| 36 | typedef struct |
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| 1 | ingob | 37 | { |
| 38 | u8 CalByte; |
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| 39 | u8 Dummy1; |
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| 40 | u8 Dummy2; |
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| 41 | ingob | 41 | } __attribute__((packed)) I2C_Cal_t; |
| 1 | ingob | 42 | |
| 41 | ingob | 43 | typedef struct |
| 1 | ingob | 44 | { |
| 41 | ingob | 45 | s16 Heading; |
| 46 | } __attribute__((packed)) I2C_Heading_t; |
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| 1 | ingob | 47 | |
| 41 | ingob | 48 | typedef enum |
| 49 | { |
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| 50 | I2C_UNDEF, |
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| 51 | I2C_IDLE, |
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| 52 | I2C_TX_PROGRESS, |
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| 53 | I2C_RX_PENDING, |
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| 54 | I2C_RX_PROGRESS, |
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| 55 | I2C_OFF |
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| 56 | } I2C_State_t; |
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| 1 | ingob | 57 | |
| 41 | ingob | 58 | extern volatile I2C_State_t I2C_State; |
| 59 | extern volatile u8 I2C_Direction; |
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| 60 | extern volatile u32 I2C1_Timeout; |
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| 1 | ingob | 61 | |
| 41 | ingob | 62 | extern volatile I2C_Heading_t I2C_Heading; |
| 63 | extern volatile I2C_WriteAttitude_t I2C_WriteAttitude; |
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| 64 | extern volatile I2C_Mag_t I2C_Mag; |
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| 65 | extern volatile I2C_Version_t MK3MAG_Version; |
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| 66 | extern volatile I2C_Cal_t I2C_WriteCal; |
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| 67 | extern volatile I2C_Cal_t I2C_ReadCal; |
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| 1 | ingob | 68 | |
| 41 | ingob | 69 | void I2C1_Init(void); |
| 70 | void I2C1_Deinit(void); |
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| 71 | void I2C1_SendCommand(u8 command); |
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| 72 | void I2C1_GetMK3MagVersion(void); |
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| 146 | killagreg | 73 | void I2C1_UpdateCompass(void); |
| 1 | ingob | 74 | |
| 41 | ingob | 75 | #endif // I2C_H |
| 1 | ingob | 76 |