I want to use a hall effect motor encoder to determine the number of revolutions of a wheel. Using the BB-KEYS I am able to set up /dev/inputs/event1 that captures the event and records the number of interrupts in /proc/interrupts. I believe setting /sys/class/gpio/gpioxx/edge will do pretty much the same. I haven't been able to figure out how to count them in a C/C++ code. Is it bes to set up an interrupt and count or try to read the /proc/interrupt file? Polling is not an option because there are two wheel that need to be counted. I would prefer to have and ISR that counts each time it is triggered, but I have not been able to figure out how to set it up. Any help would be greatly appreciated since I have spent the last few days trying to research this without much luck.
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