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1 ingob 1
/*############################################################################
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############################################################################*/
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#ifndef _I2C_MASTER_H
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#define _I2C_MASTER_H
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//############################################################################
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// I2C Konstanten
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#define SCL_CLOCK  200000L
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#define I2C_TIMEOUT 30000
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#define I2C_START          0x08
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#define I2C_REPEATED_START 0x10
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#define I2C_TX_SLA_ACK     0x18
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#define I2C_TX_DATA_ACK    0x28
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#define I2C_RX_SLA_ACK     0x40
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#define I2C_RX_DATA_ACK    0x50
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//############################################################################
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extern unsigned char twi_state;
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extern unsigned char motor;
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extern unsigned char motorread;
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extern unsigned char motor_rx[8];
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304 ingob 26
void i2c_reset(void);
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extern void i2c_init (void); // I2C initialisieren
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extern char i2c_start (void); // Start I2C
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extern void i2c_stop (void); // Stop I2C
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extern char i2c_write_byte (char byte); // 1 Byte schreiben
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extern void i2c_reset(void);
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#endif