Class: Vmopt::SerialPortOperation

Inherits:
Object
  • Object
show all
Defined in:
lib/vmopt/serialport_operation.rb

Instance Method Summary collapse

Instance Method Details

#get_serial_port ⇒ Object

参数：无功能：查询串口的基本信息返回值：默认



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# File 'lib/vmopt/serialport_operation.rb', line 13

def get_serial_port	
    data_value={}	
	colItems = WMI.execquery ("select * from Win32_SerialPort")
	for objItem in colItems do
		name = (objItem.Name)[-5,4]
		str ={"串口名称" => name,
		      "状态" => objItem.Status
		     }			
		data_value["#{name}"] = str
	end
	return data_value
end

#read(strcom) ⇒ Object

参数：串口号功能：从串口读入字符串返回值：读到的com口字符串



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# File 'lib/vmopt/serialport_operation.rb', line 46

def read(strcom)
	begin
	stroutput=""
		sp = SerialPort.new "#{strcom}", 9600
	    sp.read_timeout=4000 #定时4秒
	    stroutput = sp.read(50)
	    if stroutput.empty?
	    	return false
	    end
	rescue Exception
		return false
	end
	return stroutput
end

#write(strcom, strinput) ⇒ Object

参数：串口号，写入的字符串功能：将串口写入字符串返回值：默认



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# File 'lib/vmopt/serialport_operation.rb', line 30

def write(strcom,strinput)
	strinput
	begin
	File.open(strcom, 'w+') do |file|
		file.write(strinput)
		end
	rescue Exception
		return false
	end
	return true
end