Class: HelloLcdCharset

Inherits:
ArduinoSketch show all
Defined in:
lib/examples/hello_lcd_charset.rb

Instance Attribute Summary

Attributes inherited from ArduinoSketch

#pins

Instance Method Summary collapse

Methods inherited from ArduinoSketch

#add, add_to_setup, #array, #assembler, #comment_box, #compose_setup, #define, #delay, #digitalWrite, #formatted_print, #initialize, #input_pin, #input_pins, output_pin, #output_pin, post_process_ruby_to_c_methods, pre_process, #serial_begin

Methods included from ExternalVariableProcessing

#c_type, #check_variable_type, #post_process_arrays, #post_process_vars, #pre_process_vars, #process_external_vars, #translate_variables

Constructor Details

This class inherits a constructor from ArduinoSketch

Instance Method Details

#loop ⇒ Object 



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# File 'lib/examples/hello_lcd_charset.rb', line 21

def loop
  
  myLCD.clearscr  "Alphabet Chars?n"
  0x41.upto(0x5a) do |i|    # A to Z
    @a = i                  # forces 'byte' typing to variable
    myLCD.print @a          # so print rouien prints character represented 
    delay 50                # by the index value
  end
  0x61.upto(0x7a) do |i|    # a to z
    @a = i
    myLCD.print @a
    delay 50
  end
  
  delay 3000
  myLCD.clearscr  "Numeric Chars?n"
  0x30.upto(0x39) do |i|    # 0 to 9
    @a = i
    myLCD.print @a
    delay 50
  end
  
  delay 3000

  myLCD.clearscr  "Other Chars?n"
  0x21.upto(0x2f) do |i|    # punctuation et al
    @a = i
    myLCD.print @a
    delay 50
  end
  0x3a.upto(0x40) do |i|
    @a = i
    myLCD.print @a
    delay 50
  end
  0x5b.upto(0x60) do |i|
    @a = i
    myLCD.print @a
    delay 50
  end
  0x7b.upto(0x7f) do |i|
    @a = i
    myLCD.print @a
    delay 50
  end
  
  delay 3000
    


end