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Ignore whitespace Rev 1595 → Rev 1596

/tags/V0.78f/twimaster.h
0,0 → 1,46
/*############################################################################
############################################################################*/
 
#ifndef _I2C_MASTER_H
#define _I2C_MASTER_H
 
//############################################################################
 
// I2C Konstanten
#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;
 
#define MAX_MOTORS 12
#define MOTOR_STATE_PRESENT_MASK 0x80
#define MOTOR_STATE_ERROR_MASK 0x7F
 
typedef struct
{
unsigned char SetPoint; // written by attitude controller
unsigned char State; // 7 bit for I2C error counter, highest bit indicates if motor is present
unsigned char Current; // in 0.1 A steps, read back from BL
unsigned char MaxPWM; // read back from BL is less than 255 if BL is in current limit
} __attribute__((packed)) MotorData_t;
 
extern MotorData_t Motor[MAX_MOTORS];
 
void i2c_reset(void);
extern void i2c_init (void); // I2C initialisieren
extern void i2c_start (void); // Start I2C
extern void i2c_stop (void); // Stop I2C
extern void i2c_write_byte (char byte); // 1 Byte schreiben
extern void i2c_reset(void);
 
#endif