Hey,

i am trying to use the BBBCSIO library, i already got the UART to work and 
to communicate but the PWM doesn't work.

on the website they have an example code and it said in the comments that 
there should be configuration before it can run,
the file  BBBIO-EHRPWM-00A0.dts is attached to set up the ports

i copied it to the /lib/firmware library and then compiled it to a .dtbo 
file, after that when i try to echo it to slots it gets an error
saying that the file exists. i don't know how to solve this, i tried 
everything but nothing works.

i managed to get the am33xx_pwm, BB-PWM1 and bone_pwm_P9_14 to appear in 
the slots but when i use the library to create an instance of a PWM port, 
the build is successful but when i run the code it returns a call stack 
error saying: 

DEVMEM_FILE did not open.

please, can any one help me and tell me what i need to do in order to get 
the BBBIO-EHRPWM file to execute properly? 

thanks!

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