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Rev | Author | Line No. | Line |
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1 | ingob | 1 | |
2 | #ifndef _I2C_MASTER_H |
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3 | #define _I2C_MASTER_H |
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886 | killagreg | 4 | |
1 | ingob | 5 | |
886 | killagreg | 6 | #include <inttypes.h> |
7 | |||
1 | ingob | 8 | //############################################################################ |
9 | |||
10 | // I2C Konstanten |
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11 | #define SCL_CLOCK 200000L |
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12 | #define I2C_TIMEOUT 30000 |
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13 | #define I2C_START 0x08 |
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14 | #define I2C_REPEATED_START 0x10 |
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15 | #define I2C_TX_SLA_ACK 0x18 |
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16 | #define I2C_TX_DATA_ACK 0x28 |
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17 | #define I2C_RX_SLA_ACK 0x40 |
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18 | #define I2C_RX_DATA_ACK 0x50 |
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19 | |||
20 | //############################################################################ |
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21 | |||
886 | killagreg | 22 | extern volatile uint8_t twi_state; |
23 | extern volatile uint8_t motor; |
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24 | extern volatile uint8_t motorread; |
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903 | pangu | 25 | extern volatile uint8_t motor_rx[2*MOTOR_COUNT]; |
1 | ingob | 26 | |
886 | killagreg | 27 | extern void I2C_Init (void); // Initialize I2C |
28 | extern void I2C_Start (void); // Start I2C |
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29 | extern void I2C_Stop (void); // Stop I2C |
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30 | extern void I2C_WriteByte (int8_t byte); // Write 1 Byte |
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31 | extern void I2C_Reset(void); // Reset I2C |
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1 | ingob | 32 | |
33 | #endif |