Today I uploaded the latest source. I got from an old version to 2.5.3. I haven't used my drone for a while. I am experiencing problems with my ESC's, they are constantly beeping (https://www.youtube.com/watch?v=XVVPYiSMWOA&feature=youtu.be). It used to work with this line:
# define INSTANT_PWM ENABLED
But this fix the job anymore. Someone any suggestions?