/**
  ******************************************************************************
  * @file           : modbus_implement.h
  * @brief          : Header for modbus_implement.c file.
  *                   This file contains the common defines of the application.
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2025 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */



/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __MODBUS_IMPLEMENT_H
#define __MODBUS_IMPLEMENT_H

#ifdef __cplusplus
extern "C" {
#endif

/* Includes ------------------------------------------------------------------*/
#include "stm32l4xx_hal.h"



#define Cmd_FirmwareVersion    (0x0000)
#define Cmd_HardwareVersion    (0x0008)
#define Cmd_DeviceID    			 (0x0009)
#define Cmd_DeviceType    		 (0x000B)
#define Cmd_Reboot		 		     (0x000C)
#define Cmd_Reset    					 (0x000D)

#define Cmd_Addr    					 (0x0010)
#define Cmd_Baudrate    			 (0x0011)
#define Cmd_DateTime					 (0x0012)



#define Cmd_IapUpgrade    		 (0xAABB)

#define MB_FUNC_03				(0x03)
#define MB_FUNC_06				(0x06)
#define MB_FUNC_10			  (0x10)
#define MB_FUNC_42				(0x42)  //for iap 

#define NO_EXCEPTION						(0x00)
#define INVALID_FUNCTION_CODE   (0x01)
#define INVALID_COMMAND			    (0x02)
#define INVALID_DATA   					(0x03)
#define DEVICE_FAULT   					(0x04)


/* Exported functions prototypes ---------------------------------------------*/

//读取时返回，数据长度, 如果返回 0， 说明buf_len 不够, 设备故障

uint16_t Read_FirmwareVersion(uint8_t *pBuf, uint16_t buf_len); 
uint16_t Read_HardwareVersion(uint8_t *pBuf, uint16_t buf_len); 
uint16_t Read_Deviceid(uint8_t *pBuf, uint16_t buf_len); 
uint16_t Read_Devicetype(uint8_t *pBuf, uint16_t buf_len); 
uint16_t Read_Addr(uint8_t *pBuf, uint16_t buf_len);
uint16_t Read_Baudrate(uint8_t *pBuf, uint16_t buf_len); 


#define RET_ERROR_MASK    (0xF0)
#define RET_OK  		 			(0x00)
#define RET_NEED_SAVE			(0X01)
#define RET_NEED_REBOOT		(0X02)

#define RET_DATAINVALID  	(0x10)
#define RET_CMDINVALID  	(0x20)
//#define RET_DATAINVALID  	(3)


//写入成功时返回 RET_OK
//写入不成功时，返回 RET_DATAINVALID
uint8_t Write_Addr(uint8_t *pdata, uint8_t len); 
uint8_t Write_Baudrate(uint8_t *pdata, uint8_t len);
uint8_t Write_HardwareVersion(uint8_t *pdata, uint8_t len); 
uint8_t Write_Deviceid(uint8_t *pdata, uint8_t len); 
uint8_t Write_Devicetype(uint8_t *pdata, uint8_t len);



#ifdef __cplusplus
}
#endif

#endif /* __MODBUS_IMPLEMENT_H */