#ifndef __VTOR_I2C_H_
#define __VTOR_I2C_H_

#ifdef __cplusplus
extern "C" {
#endif

#include "vtor_elec_module_config.h"

#ifdef __VTOR_I2C__

typedef enum
{
	VTOR_I2C_STATE_OK       = 0x00U,
	VTOR_I2C_STATE_ERROR    = 0x01U,
	VTOR_I2C_STATE_BUSY     = 0x02U,
	VTOR_I2C_STATE_TIMEOUT  = 0x03U,

	VTOR_I2C_STATE_DEV_ADDR_NAK  = 0x04U,
	VTOR_I2C_STATE_DEV_REG_NAK  = 0x05U,
	VTOR_I2C_STATE_DEV_DATA_NAKE  = 0x06U,
}VTOR_I2C_State;

typedef enum
{
	GPIO_DIR_OUTPUT			= 0x00U,
	GPIO_DIR_INPUT			= 0x01U,
}GPIO_DirTypeDef;



typedef struct VtorI2c
{
	void (*setSCL)(uint8_t level);
	void (*setSDA)(uint8_t level);

	uint8_t (*readSCL)();
	uint8_t (*readSDA)();
	void (*setSDA_Dir)(uint8_t dir);
}VtorI2cStruct;



extern VtorI2cStruct si2c2;

void VtorI2c_Delay(uint32_t tick);

#define GPIO_LEVEL_HIGH		1
#define GPIO_LEVEL_LOW		0

#define GPIO_DIR_INPUT		1
#define GPIO_DIR_OUTPUT		0

void VtorI2c_Init(void);
void VtorI2c_Start(VtorI2cStruct* si2c);
void VtorI2c_Stop(VtorI2cStruct* si2c);
void VtorI2c_SendByte(VtorI2cStruct* si2c, uint8_t txd);
uint8_t VtorI2c_ReadByte(VtorI2cStruct* si2c);
uint8_t VtorI2c_WaitAck(VtorI2cStruct* si2c);
void VtorI2c_Ack(VtorI2cStruct* si2c);
void VtorI2c_NAck(VtorI2cStruct* si2c);
void VtorI2c_SetSDA_Dir(VtorI2cStruct* si2c, uint8_t dir);

uint8_t VtorI2c_ReadMem(VtorI2cStruct* si2c, uint8_t slaveAddress, uint16_t regAddress, uint8_t regAddrLen , uint8_t* buf, uint16_t len);
uint8_t VtorI2c_WriteMem(VtorI2cStruct* si2c, uint8_t slaveAddress, uint16_t regAddress, uint8_t regAddrLen , uint8_t* buf, uint16_t len);

uint8_t VtorI2c_CheckIo(VtorI2cStruct* si2c);
uint8_t VtorI2c_CheckDevice(VtorI2cStruct* si2c, uint8_t addr);
#endif // ELEC_MODULE_VTOR_I2C_ENABLED

#ifdef __cplusplus
}
#endif

#endif