Class: Taopaipai::IO

Inherits:
Object
  • Object
show all
Defined in:
lib/taopaipai/io.rb

Constant Summary collapse

MAX_WRITE_ATTEMPTS = 
220

Instance Method Summary collapse

Constructor Details

#initialize(base_path) ⇒ IO

Returns a new instance of IO.



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# File 'lib/taopaipai/io.rb', line 5

def initialize(base_path)
  @base_path = base_path
end

Instance Method Details

#direction(pin, direction) ⇒ Object 



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# File 'lib/taopaipai/io.rb', line 17

def direction(pin, direction)
  write_to_file("gpio#{pin}/direction", direction)
end

#export(pin) ⇒ Object 



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# File 'lib/taopaipai/io.rb', line 9

def export(pin)
  write_to_file('export', pin.to_s)
end

#read(pin) ⇒ Object 



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# File 'lib/taopaipai/io.rb', line 21

def read(pin)
  File.open(relative("gpio#{pin}/value"), 'r'){|f| f.read }
end

#unexport(pin) ⇒ Object 



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# File 'lib/taopaipai/io.rb', line 13

def unexport(pin)
  write_to_file('unexport', pin.to_s)
end

#write(pin, value) ⇒ Object 



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# File 'lib/taopaipai/io.rb', line 25

def write(pin, value)
  write_to_file("gpio#{pin}/value", value)
end