'
' PicAxe 08M transmitter
' CW morse transmitter
'

low 1 ' Just a status LED
high 4 ' The LED that 'draws' voltage from pin2

main:
  'Send SOS out
  
  gosub dot
  gosub dot
  gosub dot
  gosub space
  '
  gosub dash
  gosub dash
  gosub dash
  gosub space
  '
  gosub dot
  gosub dot
  gosub dot
  gosub space
  goto main


dot:
  'CW dot: 1sec
  pwmout 2, 1, 3
  high 1
  pause 1000
  pwmout 2, 0, 0
  low 1
  pause 1000
  return

space:
  'CW space: 1sec
  pause 1000
  return

dash:
  'CW dash: 3sec
  pwmout 2, 1, 3
  high 1
  pause 3000
  pwmout 2, 0, 0
  low 1
  pause 1000
  return


modulate:
 ' Send a sound out
 pause 1
 high 4 ' Turn on the modulating LED
 pause 1
 low 4 ' Turn off the modulatig LED
 goto modulate