Howie Katz howientc
howientc
/ xiobase.py
Created
June 18, 2016 00:40
Gets the base of XIOs on C.H.I.P. computers. Currently on 4.3, it's 408, and on 4.4 it's 1016. This calculates it dynamically
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| import os | |
| GPIO_PATH = "/sys/class/gpio" # The root of the GPIO directories | |
| EXPANDER = "pcf8574a" # This is the expander that is used on CHIP for the XIOs | |
| def get_xio_base(): | |
| ''' | |
| Determines the base of the XIOs on the system by iterating through the /sys/class/gpio | |
| directory and looking for the expander that is used. It then looks for the | |
| "base" file and returns its contents as an integer |