I am trying to run Yocto Image in qemu on my Ubuntu laptop with the following command. qemu-system-arm -M overo -m 256 -sd ./test.img -clock unix -serial stdio -device usb-mouse -device usb-kbd ...

So I'm trying to write a kernel module that uses the linux/timer.h file. I got it to work inside just the module, and now I am trying to get it to work from a user program. Here is my kernel modul...

I need to do precision timing to the 1 us level to time a change in duty cycle of a pwm wave. Background I am using a Gumstix Over Water COM (https://www.gumstix.com/store/app.php/products/265/) ...