ATY_LIB/MODBUS_LOW_ATY.h

/**
* @file MODBUS_LOW_ATY.h
*
* @param Project DEVICE_GENERAL_ATY_LIB
*
* @author ATY
*
* @copyright
*       - Copyright 2017 - 2023 MZ-ATY
*       - This code follows:
*           - MZ-ATY Various Contents Joint Statement -
*               <a href="https://mengze.top/MZ-ATY_VCJS">
*                        https://mengze.top/MZ-ATY_VCJS</a>
*           - CC 4.0 BY-NC-SA -
*               <a href="https://creativecommons.org/licenses/by-nc-sa/4.0/">
*                        https://creativecommons.org/licenses/by-nc-sa/4.0/</a>
*       - Your use will be deemed to have accepted the terms of this statement.
*
* @brief Familiar functions of modbus for all device
*
* @version
*       - 1_01_221029 > ATY
*           -# Preliminary version, first Release
********************************************************************************
*/

#ifndef __MODBUS_LOW_ATY_H
#define __MODBUS_LOW_ATY_H

#include "INCLUDE_ATY.h"
#include "ALGO_CRC_ATY.h"
#include "HW_UART_ATY.h"

/******************************* For user *************************************/
// #define MODBUS_FLOAT_MODE
#define MODBUS_FLOAT_CODE_MODE

#ifndef MODBUS_REG_HOLDING_SIZE
#define MODBUS_REG_HOLDING_SIZE                    50   // set --model-large at 51
#endif
#ifndef MODBUS_ADDR
#define MODBUS_ADDR                                0x01
#endif
// #ifdef __STC51_ATY                                      // move to INCLUDE.h
// #define BIG_ENDIAN                                      // chip in big endian mode
// #endif
/******************************************************************************/

#define MODBUS_FUNC_READ_COILS                     0x01
#define MODBUS_FUNC_READ_DISCRETE_INPUTS           0x02
#define MODBUS_FUNC_READ_HOLDING_REGISTERS         0x03
#define MODBUS_FUNC_READ_INPUT_REGISTERS           0x04
#define MODBUS_FUNC_WRITE_SINGLE_COIL              0x05
#define MODBUS_FUNC_WRITE_SINGLE_HOLDING_REGISTERS 0x06
#define MODBUS_FUNC_WRITE_MULTY_HOLDING_REGISTERS  0x10

#if defined(MODBUS_FLOAT_MODE) || defined(MODBUS_FLOAT_CODE_MODE)
#ifndef MUL_FLOAT
#define MUL_FLOAT 1000
#endif /* MUL_FLOAT */
extern __XDATA float mbRegHoding[MODBUS_REG_HOLDING_SIZE];
#else
extern uint16_t mbRegHoding[MODBUS_REG_HOLDING_SIZE];
#endif /* MODBUS_FLOAT_MODE */

void Modbus_Process(uint8_t* buf, uint8_t len);

#endif /* __MODBUS_LOW_ATY_H */

/******************************** End Of File *********************************/