Subversion Repositories FlightCtrl

#ifndef _I2C_MASTER_H
#define _I2C_MASTER_H

#include <inttypes.h>

#define TWI_STATE_MOTOR_TX                      0
#define TWI_STATE_MOTOR_RX                      3
#define TWI_STATE_GYRO_OFFSET_TX                7

extern volatile uint8_t twi_state;

extern uint8_t missingMotor;

volatile extern uint8_t DACValues[4];

typedef struct {
  uint8_t SetPoint; // written by attitude controller
  uint8_t Present;  // 0 if BL was found
  uint8_t Error;    // I2C error counter
  uint8_t Current;  // read byck from BL
  uint8_t MaxPWM;   // read back from BL
} __attribute__((packed)) MotorData_t;

#define MAX_MOTORS      12
extern MotorData_t Motor[MAX_MOTORS];

extern volatile uint16_t I2CTimeout;

extern void I2C_init (void); // Initialize I2C
extern void I2C_Start(uint8_t start_state); // Start I2C
extern void I2C_Stop (uint8_t start_state); // Stop I2C
extern void I2C_Reset(void); // Reset I2C
extern void twi_diagnostics(void);

#endif