I did use m5stack_coremp135_515_defconfig build image, window 10 device manager find COM1(system default) and COM 5 work fine, but use m5stack_coremp135_defconfig, window 10 device manager only find COM 1 for system itself.
I build at 2024 Sep 21. use Ver 2024.02.3 from bootlin / buildroot-extrnal-st
I did use m5stack_coremp135_515_defconfig build image, window 10 device manager find COM1(system default) and COM 5 work fine, but use m5stack_coremp135_defconfig, window 10 device manager only find COM 1 for system itself. I build at 2024 Sep 21. use Ver 2024.02.3 from bootlin / buildroot-extrnal-st