You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
45 lines
1.2 KiB
45 lines
1.2 KiB
#!/usr/bin/env ruby
|
|
# encoding: utf-8
|
|
# ruby: 1.9
|
|
require 'serialport'
|
|
|
|
screenlight = SerialPort.open("/dev/ttyUSB0",{ baud: 115200, databits: 8, parity: SerialPort::NONE, stop_bit: 1, flow_control: SerialPort::NONE})
|
|
NB_LEDS = 60
|
|
|
|
# reset arduino
|
|
screenlight.dtr = 1
|
|
sleep 0.5
|
|
screenlight.dtr = 0
|
|
sleep 0.5
|
|
screenlight.flush_output
|
|
screenlight.flush_input
|
|
screenlight.baud = 115200
|
|
|
|
puts "waiting for welcome message"
|
|
puts screenlight.gets
|
|
|
|
puts "moving dot"
|
|
NB_LEDS.times do |led|
|
|
msg = [0xff,0x00,0x00,3*NB_LEDS]+[0x00]*3*NB_LEDS
|
|
msg[4+led*3] = 0xff
|
|
screenlight.write msg.pack("C*") # set LED to red
|
|
screenlight.flush_output
|
|
sleep 0.1
|
|
end
|
|
|
|
puts "nice colors"
|
|
phase = 0
|
|
msg = [0xff,0x00,0x00,3*NB_LEDS]+[0x00]*3*NB_LEDS
|
|
led_num = [10,9,8,7,6,5,4,3,2,1,0,11,12,13,14,15,16,17,18]+[29,28,27,26,25,24,23,22,21,20,19]+[41,42,43,44,45,46,47,48,40,39,38,37,36,35,34,33,32,31,30].reverse+[59,58,57,56,55,54,53,52,51,50,49].reverse
|
|
while true do
|
|
NB_LEDS.times do |i|
|
|
led = led_num[i]
|
|
msg[led*3+4] = (Math::sin(phase*0.9+i*0.2)+1)*128
|
|
msg[led*3+5] = (Math::sin(phase+Math::PI/2+i*0.2)+1)*128
|
|
msg[led*3+6] = (Math::sin(phase*1.1+Math::PI+i*0.2)+1)*128
|
|
end
|
|
screenlight.write msg.pack("C*")
|
|
screenlight.flush_output
|
|
phase += 0.025
|
|
sleep 0.02
|
|
end
|
|
|