| 0,0 → 1,35 |
|---|
| /***************************************************************************************************************************** |
| * 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 ****************************************************************************************************** |