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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1 | ingob | 1 | |
| 2 | #ifndef _I2C_MASTER_H |
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| 3 | #define _I2C_MASTER_H |
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| 687 | killagreg | 4 | |
| 1 | ingob | 5 | |
| 687 | 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 | |||
| 694 | 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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| 25 | extern volatile uint8_t motor_rx[8]; |
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| 1 | ingob | 26 | |
| 304 | ingob | 27 | void i2c_reset(void); |
| 395 | hbuss | 28 | extern void i2c_init (void); // I2C initialisieren |
| 694 | killagreg | 29 | extern void i2c_start (void); // Start I2C |
| 395 | hbuss | 30 | extern void i2c_stop (void); // Stop I2C |
| 694 | killagreg | 31 | extern void i2c_write_byte (int8_t byte); // 1 Byte schreiben |
| 395 | hbuss | 32 | extern void i2c_reset(void); |
| 1 | ingob | 33 | |
| 34 | #endif |