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1 | #ifndef __I2C_H |
1 | #ifndef __I2C_H |
2 | #define __I2C_H |
2 | #define __I2C_H |
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3 | - | ||
4 | - | ||
5 | #define I2C_SLAVE_ADDRESS 0x50 |
- | |
6 | 3 | ||
7 | #define I2C_CMD_VERSION 0x01 |
4 | #define I2C_CMD_VERSION 0x01 |
8 | #define I2C_CMD_READ_MAG 0x02 |
5 | #define I2C_CMD_READ_MAG 0x02 |
9 | #define I2C_CMD_READ_HEADING 0x03 |
6 | #define I2C_CMD_READ_HEADING 0x03 |
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43 | typedef struct |
40 | typedef struct |
44 | { |
41 | { |
45 | s16 Heading; |
42 | s16 Heading; |
46 | } __attribute__((packed)) I2C_Heading_t; |
43 | } __attribute__((packed)) I2C_Heading_t; |
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47 | - | ||
48 | typedef enum |
- | |
49 | { |
- | |
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, |
- | |
54 | I2C_RX_PROGRESS, |
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55 | I2C_OFF |
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56 | } I2C_State_t; |
- | |
57 | - | ||
58 | extern volatile I2C_State_t I2C_State; |
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59 | extern volatile u8 I2C_Direction; |
44 | |
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60 | extern volatile u32 I2C1_Timeout; |
45 | extern volatile u32 I2C1_Timeout; |
61 | - | ||
62 | extern volatile I2C_Heading_t I2C_Heading; |
46 | |
63 | extern volatile I2C_WriteAttitude_t I2C_WriteAttitude; |
47 | extern volatile I2C_Heading_t I2C_Heading; |
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; |
48 | extern volatile I2C_Mag_t I2C_Mag; |
67 | extern volatile I2C_Cal_t I2C_ReadCal; |
49 | extern volatile I2C_Version_t MK3MAG_Version; |
68 | 50 | ||
69 | void I2C1_Init(void); |
51 | void I2C1_Init(void); |