mmoser/led-hands-rpi
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This commit is contained in:
Mark Moser 2019-02-24 03:12:06 +00:00
parent cbcf60a3ed
commit 67f267d7ab
4 changed files with 104 additions and 13 deletions
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3
Gemfile
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@ -4,5 +4,6 @@ source "https://rubygems.org"
git_source(:github) {|repo_name| "https://github.com/#{repo_name}" } git_source(:github) {|repo_name| "https://github.com/#{repo_name}" }
# gem "sinatra" gem "thin"
gem "sinatra"
gem 'rpi_gpio' gem 'rpi_gpio'

18
Gemfile.lock
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@ -1,13 +1,31 @@
GEM GEM
remote: https://rubygems.org/ remote: https://rubygems.org/
specs: specs:
daemons (1.3.1)
eventmachine (1.2.7)
mustermann (1.0.3)
rack (2.0.6)
rack-protection (2.0.5)
rack
rpi_gpio (0.3.3) rpi_gpio (0.3.3)
sinatra (2.0.5)
mustermann (~> 1.0)
rack (~> 2.0)
rack-protection (= 2.0.5)
tilt (~> 2.0)
thin (1.7.2)
daemons (~> 1.0, >= 1.0.9)
eventmachine (~> 1.0, >= 1.0.4)
rack (>= 1, < 3)
tilt (2.0.9)
PLATFORMS PLATFORMS
ruby ruby
DEPENDENCIES DEPENDENCIES
rpi_gpio rpi_gpio
sinatra
thin
BUNDLED WITH BUNDLED WITH
2.0.1 2.0.1

72
main.rb
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@ -3,33 +3,81 @@
#!/usr/bin/env ruby #!/usr/bin/env ruby
require 'bundler' require 'bundler'
require 'sinatra'
require 'rpi_gpio' require 'rpi_gpio'
Bundler.setup Bundler.setup
Bundler.require Bundler.require
BLUE = 37 BLUE = 37
WHITE = 35 WHITE = 35
RED = 33 RED = 33
GREEN = 31 GREEN = 31
YELLOW = 29 YELLOW = 29
leds = [BLUE, WHITE, RED, GREEN, YELLOW] LEDS = [BLUE, WHITE, RED, GREEN, YELLOW]
IO = RPi::GPIO
IO.set_numbering :board
io = RPi::GPIO LEDS.each do |led|
io.set_numbering :board IO.setup led, as: :output, initialize: :low
IO.set_low led
leds.each do |led|
io.setup led, as: :output, initialize: :low
io.set_low led
end end
10.times do # IO.reset
get '/' do
@led_status = led_status
erb :index
end
get '/cycle' do
clear
5.times do |i| 5.times do |i|
sleep 0.5 sleep 0.5
io.set_high leds[i] IO.set_high LEDS[i]
io.set_low leds[i - 1] IO.set_low LEDS[i - 1]
end
clear
redirect to('/')
end
get '/led/:color' do |led|
clear
IO.set_high pick(led)
redirect to('/')
end
def pick led
case led
when 'blue'
BLUE
when 'white'
WHITE
when 'red'
RED
when 'green'
GREEN
when 'yellow'
YELLOW
end end
end end
io.reset
def clear
LEDS.each do |led|
IO.set_low led
end
end
def led_status
{
blue: IO.high?(BLUE),
white: IO.high?(WHITE),
red: IO.high?(RED),
green: IO.high?(GREEN),
yellow: IO.high?(YELLOW)
}
end

24
views/index.erb Normal file
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@ -0,0 +1,24 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>LED Manager</title>
</head>
<body>
<h1>LED Manager</h1>
<ul>
<li><a href="/cycle">Cycle 3 Times</a></li>
<li><a href="/led/blue">Blue</a></li>
<li><a href="/led/white">White</a></li>
<li><a href="/led/red">Red</a></li>
<li><a href="/led/green">Green</a></li>
<li><a href="/led/yellow">Yellow</a></li>
</ul>
<pre>
<%= led_status %>
</pre>
</body>
</html>