A node.js package for DIO7055 module

System Environment

In order to have dependency 'serialport' work.

Firstly,please read https://github.com/voodootikigod/node-serialport/blob/master/README.md.

DIO Setting

Please have checksum disabled in DIO module.

Installation Instructions

npm install dio7055

Initial parameters

var dio=new Dio7055(port,baudrate,timeout)

• defulat port: '/dev/ttyUSB0'
• default baudrate: 57600
• default timeout: 50

Functions

read(address,channel,io,callback)
write(address,channel,out,callback)
readall(address,io,callback)

• address: a heximal string of DIO's address,expect '00'-'ff' in lowercase
• channel: chanel number,expect 0-7
• io: 1=Input,0=Output
• out: Output signal,expect 1 or 0

Code Examples

function read(address,channel,io,callback)

var Dio7055=require('dio7055.js');
dio=new Dio7055();
dio.read('01',1,1,function(data,error){
    console.log(data);
    //data should be result,expect '0' or '1',
    if(error){
        console.error(error);
    }
});

function write(address,channel,out,callback)

var Dio7055=require('../lib/dio7055.js');
dio=new Dio7055();
dio.write('01',1,1,function(data,error){
    console.log(data);
    //data should be '>',it's default return value from DIO module
    if(error){
        console.error(error);
    }
});

funciton readall(address,io,callback)

var Dio7055=require('../lib/dio7055.js');
dio=new Dio7055();
dio.readall('01',1,function(data,error){
    console.log(data);
    //data should be 8 digits numeric string in binary
    if(error){
        console.error(error);
    }
});