Making Micropython run in a partition with RP2350 #17190
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Thanos-13
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RP2040 / Pico
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note the additional discussion here: Making Micropython run in a partition with RP2350 - Raspberry Pi Forums |
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What is the goal / intent of this multi-partition approach where filesystems do not appear to matter. ( just trying to avoid the X/Y Problem ) |
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Hello,
I am new on the forum.
I am a developper trying to do an ambitious task : I would like to use a Bootloader on RP2350 and load successive versions of micropython into A/B partitions.
I am working on PICO_2W board with a custom version of micropython based on v1.25.0-preview.393.gf1018ee5c)
I already have developped the BootLoader and the partition table (2 partitions of 1.9MBytes + small room for the Bootloader) and it is working well : i am able to successively download (UF2 Drag & Drop mode) small C applications that i wrote (basically PICO2_W board LED blinking with several speeds) and everything works well.
My problem is when i try to download a micropython image (whatever if it is my custom version or an offical 1.25 one), the micropython doesn't boot ....
On the other hand, if i download the same micropython image in "absolute" mode (without partition & BootLoader), it works well. The problem seems to combine Micropython & BootLoader / Partition Table ...
Does anybody see what the problem could be ? Any idea of direction where i could investigate ?
Thanks in advance to any Micropython expert that could help me for this :-)
Best Regards
Thanos
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