Changes

Line 204: Line 204:  
* microphone jack: /dev/input/event8
 
* microphone jack: /dev/input/event8
 
* rotate, cursor, and game pad keys: /dev/input/event10
 
* rotate, cursor, and game pad keys: /dev/input/event10
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 +
def myblock(tw, x):  # ignores second argument
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 +
  import os
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  devicestr='/dev/input/event3'              #the ebook switch
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  cmd='sudo chmod 777 {!s}'.format(devicestr)
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  os.system(cmd)                            #caution! changing system file permissions
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  fd =open(devicestr, 'rb')
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  for x in range(12):
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      fd.read(1)
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  tw.lc.heap.append( ord(fd.read(1)))        #do not return till the switch state changes
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  fd.close
    
===Understanding the structure of the Turtle Art program===
 
===Understanding the structure of the Turtle Art program===
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