i2c.h

#ifndef I2C_H
#define I2C_H

#include "FreeRTOS.h"

#define CON_AA		2
#define CON_SI		3
#define CON_STO		4
#define CON_STA		5
#define CON_I2EN	6

#define MMA8452Q    0x38
#define L3GD20      0xD4

#define MMA8452Q_WHO_AM_I 0x0D

#define L3GD20_WHO_AM_I   0x0F
#define L3GD20_STATUS_REG 0x27
#define L3GD20_OUT_TEMP   0x26

#define GYRO_SENSITIVITY_250DPS (0.00875F) //!< Sensitivity at 250 dps
#define GYRO_SENSITIVITY_500DPS (0.0175F)  //!< Sensitivity at 500 dps
#define GYRO_SENSITIVITY_2000DPS (0.070F)  //!< Sensitivity at 2000 dps


//// not in default db504! this is a piggy backed sensor I soldered to the testpoints:
#define LSM303_ACCEL          0x32         // 0011001x // ELLER 0x30? ??? ??
#define LSM303_MAG            0x3C         // 0011110x
#define SHT21                 0x80 // or 0x40 ?
#define SHT21_TEMP_NOHOLD  0xF3
#define SHT21_HUMD_NOHOLD  0xF5
////

void I2C1Init();
void I2C1_Start (void);
void I2C1_Stop (void);

void I2C1_Send (const uint8_t data);
void I2C1_Send_Addr (const uint8_t addr, const uint8_t sub, const uint8_t data);

uint8_t I2C1_Recv(bool ack);
//uint8_t I2C1_Recv_Addr (const uint8_t addr, const uint8_t sub, const bool ack);
uint8_t I2C1_Recv_Addr(const uint8_t addr, const uint8_t sub);
void I2C1_Recv_Addr_Buf (const uint8_t addr, const uint8_t sub, const bool ack, const uint8_t len, uint8_t *buf);

#endif // I2C_H