I tried to flash ESP32 from PIC32MZ MCU through UART protocol, but when I send a command (SYNC command) to ESP32 loader, there is no response from ESP32 loader(I am sure that ESP32 have already been in download mode). And I checked transmited data to esp32 by analyzer(correct data), but on the response line there is nothing.
This is so weird that when I send the same command by another ESP32, it worked normally.
Please help me about this problem.
ESP32 ROM loader problem
Re: ESP32 ROM loader problem
Hello, I think I may have the same issue. I noticed that when I send two SYNC packets, my ESP starts to reply normally. Now, this is a workaround in my case, I do not know if it will work for you.
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