geektool_cpu_teensy.sh

#!/bin/sh

# geektool_cpu_teensy.sh - Trigger LED colour change based on CPU ldle status as read from top

# ver 0.1

# Jody K Delauney

# 2009/04/19

# Redistribution and use in source and binary forms, with or without

# modification, are permitted provided that the following conditions are met:

# * Redistributions of source code must retain the above copyright notice,

# this list of conditions and the following disclaimer.

# * Redistributions in binary form must reproduce the above copyright notice,

# this list of conditions and the following disclaimer in the documentation

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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE

# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

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# POSSIBILITY OF SUCH DAMAGE.

idleCPU=$(top -l 2 | awk '/CPU usage/ && NR > 5 {print $12}' | awk -F '.' '{print $1}')

if [ $idleCPU -gt 80 ]

then

catty -d /dev/cu.usbmodem12341 -b 9600 -w 'Gr'

elif [ $idleCPU -gt 65 ]

then

catty -d /dev/cu.usbmodem12341 -b 9600 -w 'Y'

else

catty -d /dev/cu.usbmodem12341 -b 9600 -w 'Rg'

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