The chronometer works receiving orders from a serial port at 9600bps: ASCII 1 for start ASCII 2 for pause ASCII 3 for reset The display module is a 8550, which has 4 digits, so the chronometer max count is 1 minute. Used Ticker for generating interrupts at 100 Hz frequency

Dependencies:   mbed

Revision:
0:73b3e1c6cf2f
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+++ b/mbed.bld	Wed Aug 06 03:04:02 2014 +0000
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+http://mbed.org/users/mbed_official/code/mbed/builds/0b3ab51c8877
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