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Feat/ch32v103 support - #21
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Capture qingke-rt's orphan .vector_table.interrupts section before .tb_version so the version tag is always the last loadable content. The bootloader reads the version at app_base + app_size - 2.
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Verified both
user-flashandsystem-flashexamples.Used oscilloscope to verify RC scope based boot selection mechanism.
Yellow line is
BOOT_CTL, and teal line isBOOT0. As shown in the capture below, the capacitor discharges in about 250us. The wait time is hard coded to 8000 iterations ofspin_loopfor V103, translates to about 1ms for capacitor to discharge completely.Test bench setup:
Breadboard close ups: