物联小白

• Index

Contents

• Functions

Modules

• agent
• autoload
• binary
• commands
• configs
• cpu
• cron
• database
• device
• gateway
• led
• link
• main
• master
• model
• mqtt_client
• points
• utils
• vuart
• link_can
• link_serial
• link_tcp_client
• link_udp_client
• cjt188_device
• cjt188_master
• modbus_device
• modbus_master
• driver_adc_ext
• driver_battery
• driver_clock
• driver_gnss
• driver_input
• driver_lan
• driver_output
• driver_sd
• cloud_aliyun
• cloud_baidu

Topics

• README

Examples

• main.lua
• main.lua

Module modbus_master

Modbus主站

Functions

ModbusMaster:new (link, opts)	创建实例
ModbusMaster:open ()	打开主站
ModbusMaster:close ()	关闭
ModbusMaster:_polling ()	轮询

Functions

ModbusMaster:new (link, opts)

创建实例

Parameters:

• link any 连接实例
• opts table 协议参数

Returns:

Master

ModbusMaster:open ()

打开主站

ModbusMaster:close ()

关闭

ModbusMaster:_polling ()

轮询