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/*****************************************************************************************************************************
* File: twimaster.h
* Purpose: header of twimaster.c
*****************************************************************************************************************************/
#ifndef _I2C_MASTER_H
#define _I2C_MASTER_H
// ------------------------ definions for I2C ---
#define SCL_CLOCK 200000L
#define I2C_TIMEOUT 30000
#define I2C_START 0x08
#define I2C_REPEATED_START 0x10
#define I2C_TX_SLA_ACK 0x18
#define I2C_TX_DATA_ACK 0x28
#define I2C_RX_SLA_ACK 0x40
#define I2C_RX_DATA_ACK 0x50
extern volatile unsigned char twi_state;
extern unsigned char motor,MissingMotor;
extern unsigned char motorread;
extern unsigned char motor_rx[];
extern unsigned char MotorPresent[];
extern unsigned char MotorError[];
extern void i2c_init(void); // initialize I2C
extern void i2c_start(void); // start I2C
extern void i2c_stop(void); // stop I2C
extern void i2c_write_byte(char byte); // write 1 Byte
extern void i2c_reset(void); // reset
#endif
// *** EOF: I2C_MASTER_H ******************************************************************************************************