Hi all. I have a question regarding flash bootloaders. I basically have a system that has two Tiva MCU (TM4C123GH6PM). The main MCU is connected through uart to the second MCU which is connected to the external application via USB. I was working on updating the MCUs using LM flash. The USB MCU was easy as I could easily configure it into the DFU mode. But I would like to know if there is a way to use the USB MCU as a passthrough for sending image file of the binary to upgrade the main MCU which is connected via UART. I configured the custom flash bootloader to be able to use UART1 for the main MCU but then the protocol is different for USB and UART in the process. Apologies if my question isnt clear as I am new to this field.
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