Thanks for your help, yes, I'm using Retropie, I did configure the controllers but the weird thing is that i do not see any " configs " directory in the server when I tried accessing the pi using ftp, for what I understand, this folder gets generated after you st up your controls, but I do not see it, so for this reason, I cannot find the file " retroarch.cfg ".
can I create this directory manually and maybe paste someone's retroarch.cfg configuration into mine?
thanks.