Class: HelloEeprom

Inherits:
ArduinoSketch show all
Defined in:
lib/examples/hello_eeprom.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_eeprom.rb', line 8

def loop
      myLCD.setxy 0,0         # set to 0,0
      myLCD.print rtc.get(5, 1) # refresh registers (=1) get month
    myLCD.print "/"
      myLCD.print rtc.get(4, 0) # no need to refresh (=0) get day 
    myLCD.print "/"
      myLCD.print rtc.get(6, 0) # get year
    myLCD.setxy(0,1)      # set in 1 byte line 1 (second line)
    printlz 2         # print hours with lead zero
    myLCD.print ":"
      printlz 1         # print minutes with lead zero
    myLCD.print ":"
      printlz 0         # print seconds with lead zero
      

    myLCD.setxy 10,0
    myLCD.print "write test"
    myLCD.setxy 0,2
    32.upto(109) do       # write address of byte to that b yte
      |x| mem0.write_byte  x, x
      myLCD.print(".") if x%2
      delay 10
    end

    delay 2000
    
    myLCD.clearline 2   # clears bottom two lines           
    myLCD.clearline 3

    myLCD.setxy 10,0, "read test "
    myLCD.setxy 0,2
                  # read and print 39 addresses with printable numbers
    75.upto(113) { |x| myLCD.print(mem0.read_byte(x)) }
    delay 10000
    myLCD.clearscr
end

#printlz(w) ⇒ Object 



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# File 'lib/examples/hello_eeprom.rb', line 45

def printlz(w)
  f = 1 + w # hack to coerce w to int
  i = rtc.get(w,0)
  myLCD.print "0" if i < 10
  myLCD.print i
end