The IP address and MAC address are set in eboot, and D is selected to start downloading. The serial port outputs a series of Sent BOOTME to 255.255.255.255, but the device cannot be found under PB. Wh
The first time, the upgrade was successful with an empty chip; the second time, the upgrade was successful with swupdate triggering the bootloader; it failed after that! What is the reason? Experts, p
STM32f103ZET6 hardware failure. A batch of equipment was shipped out some time ago and it was found that about 5% of the equipment had abnormal CPUs. The fault phenomenon was that VCC 3.3v was normal,