i2c.h

/*****************************************************************************/
/*  Filename: i2c.h                                                          */
/*  Feature:  Main                                                           */
/*  Module:   Main                                                           */
/*                                                                           */
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/*  (c) ********************* LTD. 2020                                      */
/*****************************************************************************/
#ifndef I2C_H_
#define I2C_H_

#include "main_config.h"

/* CMD_TYPE_X_SLAVE are example commands the master sends to the slave.
 * The slave will send example SlaveTypeX buffers in response.
 *
 * CMD_TYPE_X_MASTER are example commands the master sends to the slave.
 * The slave will initialize itself to receive MasterTypeX example buffers.
 * */

#define CMD_TYPE_0_SLAVE      3//0
#define CMD_TYPE_1_SLAVE      1
#define CMD_TYPE_2_SLAVE      2

#define CMD_TYPE_0_MASTER      3
#define CMD_TYPE_1_MASTER      4
#define CMD_TYPE_2_MASTER      5

#define TYPE_0_LENGTH   1
#define TYPE_1_LENGTH   2
#define TYPE_2_LENGTH   6

#define MAX_BUFFER_SIZE     20

//******************************************************************************
// General I2C State Machine ***************************************************
//******************************************************************************

typedef enum I2C_ModeEnum{
    IDLE_MODE,
    NACK_MODE,
    TX_REG_ADDRESS_MODE,
    RX_REG_ADDRESS_MODE,
    TX_DATA_MODE,
    RX_DATA_MODE,
    SWITCH_TO_RX_MODE,
    SWITHC_TO_TX_MODE,
    TIMEOUT_MODE
} I2C_Mode;


/* I2C Write and Read Functions */

I2C_Mode I2C_Master_WriteReg(uint8_t dev_addr, uint8_t reg_addr, uint8_t *reg_data, uint8_t count);
I2C_Mode I2C_Master_ReadReg(uint8_t dev_addr, uint8_t reg_addr, uint8_t count);
void CopyArray(uint8_t *source, uint8_t *dest, uint8_t count);


#endif /* I2C_H_ */