arm – Programming exterior QSPI flash Raspberry Pi Pico

I need to reprogram the exterior flash of a raspberry Pico by way of SWD line. This characteristic should be carried out in a unique microcontroller, not from a Linux laptop so the OpenOCD library can't be used.

I already wrote a C library that is ready to learn and write in RAM and in core registers by way of SWD and I can put the Cortex-M0+ into halt state.

I learn many tutorials and documentation and people which are helpful are:

however sadly they don't seem to be clear sufficient.

Are you able to clarify the sequence of instructions that I ought to ship to RP2040 to accurately add the brand new firmware?

Thanks in your assist!



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