Class: DreamCheeky::BigRedButton

Inherits:
Object
  • Object
show all
Defined in:
lib/dream_cheeky/big_red_button.rb,
ext/dream_cheeky/dream_cheeky_big_red_button.c

Constant Summary collapse

CLOSED = 
0x15
OPEN = 
0x17
DEPRESSED = 
0x16

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.run(&block) ⇒ Object 



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# File 'lib/dream_cheeky/big_red_button.rb', line 8

def self.run(&block)
  brb = new
  brb.instance_eval(&block)
  brb.run
end

Instance Method Details

#close(&block) ⇒ Object 



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# File 'lib/dream_cheeky/big_red_button.rb', line 18

def close(&block)
  @button_closed_callback = block
end

#get_current_state ⇒ Object 



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# File 'ext/dream_cheeky/dream_cheeky_big_red_button.c', line 24

static VALUE get_current_state(VALUE self)
{
  hid_device * handle;
  int res;
  unsigned char buf[8];

  Data_Get_Struct(self, hid_device, handle);

  // Set up the command buffer.
  memset(buf,0x00,sizeof(buf));
  buf[0] = 0x08;
  buf[7] = 0x02;

  hid_write(handle, buf, 8);
  res = 0;
  while (0 == res) {
    res = hid_read(handle, buf, 8);
    if (res == 0) {
      hid_write(handle, buf, 8);
      usleep(10000);
    }
  }

  return INT2NUM(buf[0]);
}

#open(&block) ⇒ Object 



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# File 'lib/dream_cheeky/big_red_button.rb', line 14

def open(&block)
  @button_opened_callback = block
end

#push(&block) ⇒ Object 



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# File 'lib/dream_cheeky/big_red_button.rb', line 22

def push(&block)
  @button_pushed_callback = block
end

#run ⇒ Object 



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# File 'lib/dream_cheeky/big_red_button.rb', line 26

def run
  poll_usb
end