IO-based I2C functions with PCF8574 to proof my HW is correctly wired. Working on my LPC4088

Dependencies:   mbed

Revision:
0:b0247e85bf0e
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+++ b/mbed.bld	Sun Dec 07 13:56:12 2014 +0000
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+http://mbed.org/users/mbed_official/code/mbed/builds/4fc01daae5a5
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