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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 13 | user | 1 | /*############################################################################ |
| 2 | ############################################################################*/ |
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| 3 | |||
| 4 | #ifndef _I2C_MASTER_H |
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| 5 | #define _I2C_MASTER_H |
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| 6 | |||
| 7 | //############################################################################ |
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| 8 | |||
| 9 | // I2C Konstanten |
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| 10 | #define SCL_CLOCK 200000L |
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| 11 | #define I2C_TIMEOUT 30000 |
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| 12 | #define I2C_START 0x08 |
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| 13 | #define I2C_REPEATED_START 0x10 |
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| 14 | #define I2C_TX_SLA_ACK 0x18 |
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| 15 | #define I2C_TX_DATA_ACK 0x28 |
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| 16 | #define I2C_RX_SLA_ACK 0x40 |
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| 17 | #define I2C_RX_DATA_ACK 0x50 |
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| 18 | |||
| 19 | //############################################################################ |
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| 20 | |||
| 21 | extern unsigned char twi_state; |
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| 22 | extern unsigned char motor; |
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| 23 | extern unsigned char motorread; |
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| 24 | extern unsigned char motor_rx[8]; |
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| 25 | |||
| 26 | |||
| 27 | void i2c_init (void); // I2C initialisieren |
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| 28 | char i2c_start (void); // Start I2C |
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| 29 | void i2c_stop (void); // Stop I2C |
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| 30 | char i2c_write_byte (char byte); // 1 Byte schreiben |
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| 31 | |||
| 32 | #endif |