Class: PiWire::OutputPin

Inherits:
Pin
  • Object
show all
Defined in:
lib/pi_wire/output_pin.rb,
ext/pi_wire/pi_wire_output_pin.c

Instance Attribute Summary

Attributes inherited from Pin

#number

Instance Method Summary collapse

Constructor Details

#initialize(number) ⇒ OutputPin

Returns a new instance of OutputPin.



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# File 'lib/pi_wire/output_pin.rb', line 3

def initialize(number)
  @number = number
  self.mode = PiWire::OUTPUT_MODE
end

Instance Method Details

#high! ⇒ Object 



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# File 'lib/pi_wire/output_pin.rb', line 20

def high!
  write PiWire::HIGH
end

#high? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pi_wire/output_pin.rb', line 12

def high?
  read == PiWire::HIGH
end

#low! ⇒ Object 



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# File 'lib/pi_wire/output_pin.rb', line 16

def low!
  write PiWire::LOW
end

#low? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pi_wire/output_pin.rb', line 8

def low?
  read == PiWire::LOW
end

#read ⇒ Object 



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# File 'ext/pi_wire/pi_wire_output_pin.c', line 3

static VALUE read(VALUE self) {
  int pin_value = digitalRead(pin_number(self));
  return INT2FIX(pin_value);
}

#toggle! ⇒ Object 



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# File 'lib/pi_wire/output_pin.rb', line 24

def toggle!
  low? ? high! : low!
end

#write(rb_int) ⇒ Object Also known as: << 



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# File 'ext/pi_wire/pi_wire_output_pin.c', line 8

static VALUE write(VALUE self, VALUE rb_int) {
  digitalWrite(pin_number(self), NUM2INT(rb_int));
  return Qtrue;
}