class Ptt

Turn on / off RTS and DTR pins on a serial line Initialize:

>> s = Ptt.new("/dev/tty.usbserial")

Arguments:

port: (String)

Turn RTS / DTR on:

s.on

Turn RTS / DTR off:

s.off

Analyze State:

s.state

Public Class Methods

new(port) click to toggle source

Arguments:

port: (String)

# File lib/simplePtt.rb, line 27
def initialize(port)
        begin
                @@sp = SerialPort.new(port,9600)
                @@sp.rts = 0
                @@sp.dtr = 0
                @@state = 0
        rescue
                @@sp = nil
                @@state = -1
        end
end

Public Instance Methods

off() click to toggle source

# File lib/simplePtt.rb, line 53
def off
        begin
                @@sp.dtr = 0
                @@sp.rts = 0
                @@state = 0
        rescue
                @@state = -1
        end
end

on() click to toggle source

# File lib/simplePtt.rb, line 43
def on
        begin
                @@sp.dtr = 1
                @@sp.rts = 1
                @@state = 1
        rescue
                @@state = -1 
        end
end

state() click to toggle source

# File lib/simplePtt.rb, line 39
def state
        @@state
end