#!/usr/bin/env ruby

# Make sure net-ssh is installed "gem install net-ssh"
require 'net/ssh'

enable_buzzer = "echo 20 >sys/class/gpio/export \n"
activate_buzzer = "echo low >sys/class/gpio/gpio20/direction \n"
buzzer_on = "echo 1 >sys/class/gpio/gpio20/value \n"
buzzer_off = "echo 0 >sys/class/gpio/gpio20/value \n"
enable_light = "echo 45 >sys/class/gpio/export \n"
light_on = "echo 1 >sys/class/gpio/gpio45/value \n"
light_off = "echo 0 >sys/class/gpio/gpio45/value \n"

loop do

puts "Enter IP to Enable Buzzer"
ip_input = $stdin.gets
ip_address =([0-9.]+)/.match(ip_input)
ip_address = ip_address.to_s

# Log into miner over ssh using default credentials
Net::SSH.start(ip_address, "root", :password => "admin", :paranoid => false) do |ssh|
puts "Verifying Model"
# Read model information
type = ssh.exec!("sed -n 2pusr/bin/compile_time")
# Print Model
puts type
# Verify miner is actually a S5 before attempting to turn on the buzzer
if type.strip == "Antminer S5"
puts "Enableing Buzzer"
puts "Press Enter when done"
# Enable gpio interface for buzzer
ssh.exec!(enable_buzzer)
ssh.exec!(activate_buzzer)
# Buzzer stays on until shut off
ssh.exec!(buzzer_on)
# Enable gpio interface for light, may not be required to turn on light as it appears to be enabled by default
ssh.exec!(enable_light)
t = Thread.new do
# Loop to keep the light flashing until done
while true
# Light does not stay like buzzer does it only flashes
ssh.exec!(light_on)
# Wait half a second between flashes
sleep(0.5)
end
end
# Wait until Enter key is pressed
gets
# Kills loop thread which makes the red light flash
t.kill
# Shuts off buzzer when done
ssh.exec!(buzzer_off)
# Shuts off light, may not be needed since light appears to stay off by default
ssh.exec!(light_off)
puts "Disabling Buzzer"
else
puts "Wrong Miner Type"
end
end
end