class HelloEeprom

Public Instance Methods

loop() click to toggle source
# 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) click to toggle source
# File lib/examples/hello_eeprom.rb, line 45
def   printlz(w)
                      i = 0 + rtc.get(w,0)         # the '0 +' is YARH (Yet Another RubyToc Hack)
                      myLCD.print "0" if i < 10
                      myLCD.print i
end