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Rev | Author | Line No. | Line |
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463 | Nick666 | 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 |