"# libmodbus\u5e93\u7528\u4e8eModbus\u5355\u5143\u6d4b\u8bd5\u7684\u5934\u6587\u4ef6\n\n> 2024-04-21 | 2024-04-21\n> https:\/\/www.modbus.cn\/en\/27727.html\n\n**Modbus\u7f16\u7a0b\u5f00\u53d1**\n\n---\n\n\u5934\u6587\u4ef6\uff08Header file\uff09\u662f\u4e00\u79cd\u5305\u542b\u58f0\u660e\u6216\u5b9a\u4e49\u7684\u6587\u672c\u6587\u4ef6\uff0c\u901a\u5e38\u7528\u4e8e\u5728\u7a0b\u5e8f\u4e2d\u5f15\u5165\u5916\u90e8\u4ee3\u7801\u3002\u5728C\u548cC++\u4e2d\uff0c\u5934\u6587\u4ef6\u901a\u5e38\u5305\u542b\u4e86\u51fd\u6570\u3001\u53d8\u91cf\u3001\u5e38\u91cf\u7684\u58f0\u660e\u3001\u7c7b\u578b\u5b9a\u4e49\u4ee5\u53ca\u5b8f\u5b9a\u4e49\u7b49\u4fe1\u606f\u3002\u5934\u6587\u4ef6\u7684\u4e3b\u8981\u4f5c\u7528\u662f\u63d0\u4f9b\u63a5\u53e3\u548c\u58f0\u660e\uff0c\u4f7f\u5f97\u6e90\u4ee3\u7801\u6587\u4ef6\u53ef\u4ee5\u8bbf\u95ee\u5230\u5176\u4ed6\u6a21\u5757\u6216\u5e93\u4e2d\u7684\u51fd\u6570\u3001\u53d8\u91cf\u548c\u5e38\u91cf\uff0c\u540c\u65f6\u4e5f\u6709\u5229\u4e8e\u4ee3\u7801\u7684\u6a21\u5757\u5316\u548c\u7ec4\u7ec7\u3002\n\n\u8fd9\u6bb5\u4ee3\u7801\u662f\u4e00\u4e2a\u7528\u4e8eModbus\u5355\u5143\u6d4b\u8bd5\u7684\u5934\u6587\u4ef6\uff0c\u5176\u4e2d\u5305\u542b\u4e86\u591a\u4e2a\u5e38\u91cf\u548c\u914d\u7f6e\uff0c\u65b9\u4fbf\u5728\u6d4b\u8bd5\u8fc7\u7a0b\u4e2d\u4f7f\u7528\u3002\u8ba9\u6211\u6765\u89e3\u91ca\u4e00\u4e0b\uff1a\n\n```\n\/* \u7248\u6743\u4fe1\u606f *\/\n#ifndef _UNIT_TEST_H_\n#define _UNIT_TEST_H_\n\n\/* \u7531configure.ac\u5b9a\u4e49\u7684\u5e38\u91cf *\/\n#define HAVE_INTTYPES_H @HAVE_INTTYPES_H@\n#define HAVE_STDINT_H @HAVE_STDINT_H@\n\n\/\/ \u5982\u679c\u5b9a\u4e49\u4e86HAVE_INTTYPES_H\uff0c\u5305\u542binttypes.h\u5e93\n#ifdef HAVE_INTTYPES_H\n#include <inttypes.h>\n#endif\n\/\/ \u5982\u679c\u5b9a\u4e49\u4e86HAVE_STDINT_H\uff0c\u6839\u636e\u7f16\u8bd1\u5668\u51b3\u5b9a\u5305\u542b\u7684stdint.h\u5e93\n#ifdef HAVE_STDINT_H\n# ifndef _MSC_VER\n# include <stdint.h>\n# else\n# include "stdint.h"\n# endif\n#endif\n\n#define SERVER_ID         17  \/\/ \u6b63\u5e38\u7684\u670d\u52a1\u5668ID\n#define INVALID_SERVER_ID 18  \/\/ \u975e\u6cd5\u7684\u670d\u52a1\u5668ID\uff0c\u7528\u4e8e\u89e6\u53d1\u9519\u8bef\u5904\u7406\n\n\/\/ Modbus\u5730\u5740\u548c\u6570\u91cf\u5b9a\u4e49\nconst uint16_t UT_BITS_ADDRESS = 0x130;  \/\/ \u7ebf\u5708\u5730\u5740\nconst uint16_t UT_BITS_NB = 0x25;        \/\/ \u7ebf\u5708\u6570\u91cf\nconst uint8_t UT_BITS_TAB[] = { 0xCD, 0x6B, 0xB2, 0x0E, 0x1B };  \/\/ \u9884\u8bbe\u7684\u7ebf\u5708\u72b6\u6001\n\nconst uint16_t UT_INPUT_BITS_ADDRESS = 0x1C4;  \/\/ \u8f93\u5165\u7ebf\u5708\u5730\u5740\nconst uint16_t UT_INPUT_BITS_NB = 0x16;        \/\/ \u8f93\u5165\u7ebf\u5708\u6570\u91cf\nconst uint8_t UT_INPUT_BITS_TAB[] = { 0xAC, 0xDB, 0x35 };  \/\/ \u8f93\u5165\u72b6\u6001\n\nconst uint16_t UT_REGISTERS_ADDRESS = 0x160;  \/\/ \u5bc4\u5b58\u5668\u5730\u5740\nconst uint16_t UT_REGISTERS_NB = 0x3;         \/\/ \u5bc4\u5b58\u5668\u6570\u91cf\nconst uint16_t UT_REGISTERS_NB_MAX = 0x20;    \/\/ \u6700\u5927\u5bc4\u5b58\u5668\u6570\u91cf\nconst uint16_t UT_REGISTERS_TAB[] = { 0x022B, 0x0001, 0x0064 };  \/\/ \u5bc4\u5b58\u5668\u503c\n\n\/\/ \u7279\u6b8a\u5730\u5740\uff0c\u7528\u4e8e\u5355\u5143\u6d4b\u8bd5\u4e2d\u89e6\u53d1\u5f02\u5e38\u548c\u7279\u6b8a\u884c\u4e3a\nconst uint16_t UT_REGISTERS_ADDRESS_SPECIAL = 0x170;               \/\/ \u7279\u6b8a\u5bc4\u5b58\u5668\u5730\u5740\nconst uint16_t UT_REGISTERS_ADDRESS_INVALID_TID_OR_SLAVE = 0x171;  \/\/ \u65e0\u6548TID\u6216\u4ece\u8bbe\u5907\u5730\u5740\nconst uint16_t UT_REGISTERS_ADDRESS_SLEEP_500_MS = 0x172;          \/\/ 500\u6beb\u79d2\u7761\u7720\u5730\u5740\nconst uint16_t UT_REGISTERS_ADDRESS_BYTE_SLEEP_5_MS = 0x173;       \/\/ 5\u6beb\u79d2\u5b57\u8282\u7761\u7720\u5730\u5740\n\n\/\/ \u7279\u6b8a\u7684\u5bc4\u5b58\u5668\u6570\u91cf\uff0c\u7528\u4e8e\u9519\u8bef\u54cd\u5e94\u6d4b\u8bd5\nconst uint16_t UT_REGISTERS_NB_SPECIAL = 0x2;  \/\/ \u7279\u6b8a\u5bc4\u5b58\u5668\u6570\u91cf\n\nconst uint16_t UT_INPUT_REGISTERS_ADDRESS = 0x108;  \/\/ \u8f93\u5165\u5bc4\u5b58\u5668\u5730\u5740\nconst uint16_t UT_INPUT_REGISTERS_NB = 0x1;         \/\/ \u8f93\u5165\u5bc4\u5b58\u5668\u6570\u91cf\nconst uint16_t UT_INPUT_REGISTERS_TAB[] = { 0x000A };  \/\/ \u8f93\u5165\u5bc4\u5b58\u5668\u503c\n\nconst float UT_REAL = 123456.00;  \/\/ \u6d6e\u70b9\u6570\u6d4b\u8bd5\u503c\n\n\/\/ \u5927\u5c0f\u7aef\u8f6c\u6362\u6570\u7ec4\uff0c\u7528\u4e8e\u6d6e\u70b9\u6570\u5728Modbus\u534f\u8bae\u4e2d\u7684\u5b58\u53d6\u6d4b\u8bd5\nconst uint8_t UT_IREAL_ABCD_SET[] = {0x47, 0xF1, 0x20, 0x00};   \/\/ ABCD\u683c\u5f0f\u8bbe\u7f6e\nconst uint16_t UT_IREAL_ABCD_GET[] = {0x47F1, 0x2000};          \/\/ ABCD\u683c\u5f0f\u83b7\u53d6\nconst uint8_t UT_IREAL_DCBA_SET[] = {0x00, 0x20, 0xF1, 0x47};   \/\/ DCBA\u683c\u5f0f\u8bbe\u7f6e\nconst uint16_t UT_IREAL_DCBA_GET[] = {0x0020, 0xF147};          \/\/ DCBA\u683c\u5f0f\u83b7\u53d6\nconst uint8_t UT_IREAL_BADC_SET[] = {0xF1, 0x47, 0x00, 0x20};   \/\/ BADC\u683c\u5f0f\u8bbe\u7f6e\nconst uint16_t UT_IREAL_BADC_GET[] = {0xF147, 0x0020};          \/\/ BADC\u683c\u5f0f\u83b7\u53d6\nconst uint8_t UT_IREAL_CDAB_SET[] = {0x20, 0x00, 0x47, 0xF1};   \/\/ CDAB\u683c\u5f0f\u8bbe\u7f6e\nconst uint16_t UT_IREAL_CDAB_GET[] = {0x2000, 0x47F1};          \/\/ CDAB\u683c\u5f0f\u83b7\u53d6\n\n#endif \/* _UNIT_TEST_H_ *\/\n```\n\n\u8fd9\u4e2a\u5934\u6587\u4ef6\u4e3b\u8981\u5305\u542b\u4e86\u4ee5\u4e0b\u5185\u5bb9\uff1a\n\n- **\u5e38\u91cf\u5b9a\u4e49**\uff1a\n\n- `SERVER_ID` \u548c `INVALID_SERVER_ID` \u5206\u522b\u5b9a\u4e49\u4e86\u6b63\u5e38\u548c\u975e\u6cd5\u7684\u670d\u52a1\u5668ID\u3002\n\n- **Modbus\u5730\u5740\u548c\u6570\u91cf\u5b9a\u4e49**\uff1a\n\n- \u5b9a\u4e49\u4e86\u7ebf\u5708\u5730\u5740\u3001\u7ebf\u5708\u6570\u91cf\u3001\u7ebf\u5708\u72b6\u6001\u6570\u636e\u96c6\u3001\u8f93\u5165\u7ebf\u5708\u5730\u5740\u3001\u8f93\u5165\u7ebf\u5708\u6570\u91cf\u3001\u8f93\u5165\u72b6\u6001\u6570\u636e\u96c6\u3001\u5bc4\u5b58\u5668\u5730\u5740\u3001\u5bc4\u5b58\u5668\u6570\u91cf\u3001\u6700\u5927\u5bc4\u5b58\u5668\u6570\u91cf\u3001\u5bc4\u5b58\u5668\u503c\u7b49\u3002\n\n- **\u7279\u6b8a\u5730\u5740\u5b9a\u4e49**\uff1a\n\n- \u7528\u4e8e\u5355\u5143\u6d4b\u8bd5\u4e2d\u89e6\u53d1\u5f02\u5e38\u548c\u7279\u6b8a\u884c\u4e3a\u7684\u5bc4\u5b58\u5668\u5730\u5740\uff0c\u5982\u65e0\u6548TID\u6216\u4ece\u8bbe\u5907\u5730\u5740\u3001\u7761\u7720\u5730\u5740\u7b49\u3002\n\n- **\u7279\u6b8a\u7684\u5bc4\u5b58\u5668\u6570\u91cf\u5b9a\u4e49**\uff1a\n\n- \u7528\u4e8e\u9519\u8bef\u54cd\u5e94\u6d4b\u8bd5\u7684\u7279\u6b8a\u5bc4\u5b58\u5668\u6570\u91cf\u3002\n\n- **\u6d6e\u70b9\u6570\u6d4b\u8bd5\u503c\u5b9a\u4e49**\uff1a\n\n- \u5b9a\u4e49\u4e86\u4e00\u4e2a\u6d6e\u70b9\u6570\u6d4b\u8bd5\u503c\u3002\n\n- **\u5927\u5c0f\u7aef\u8f6c\u6362\u6570\u7ec4\u5b9a\u4e49**\uff1a\n\n- \u7528\u4e8e\u6d6e\u70b9\u6570\u5728Modbus\u534f\u8bae\u4e2d\u7684\u5b58\u53d6\u6d4b\u8bd5\u7684\u4e0d\u540c\u683c\u5f0f\u6570\u7ec4\u5b9a\u4e49\u3002\n\n\u8fd9\u4e9b\u5b9a\u4e49\u4f7f\u5f97\u5728\u8fdb\u884cModbus\u534f\u8bae\u76f8\u5173\u7684\u5355\u5143\u6d4b\u8bd5\u65f6\u66f4\u52a0\u65b9\u4fbf\u548c\u7cfb\u7edf\u5316\u3002\n\n---\n*modbus.cn*\n"