2021-08-19 10:07 AM
Hello, I've developed a board and trying to update the firmware with usb.
My board has lcd display, and I want to display "Firmware Update Mode" while the device is in bootloader mode.
Can I catch an interrupt to write something to LCD?
Also, how can I read current firmware version from USB?
Thanks.
2021-08-19 11:21 AM
If you enter bootloader from external reset ot power on, no chance. Otherwise write to the display before entering the bootloader.
2021-08-19 12:11 PM
Ok thank you, I have to write to the display and programatically jump to bootloader.
Also, this is my first experience with USB, I have to read a few parameters from my device. What topic should I search on google? I'm really lost in non-documented codes :(
2021-08-20 12:46 PM
Jump to bootloader will give many hits here.