Add bootloader support for PRNTRBoard V2.#1274
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fpistm merged 1 commit intostm32duino:masterfrom Jan 23, 2021
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fpistm
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Jan 23, 2021
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Summary
Update the board definition for PRNTR_V2 to support a bootloader (0x08000000 to 0x08007fff)
This PR fixes/implements the following bugs/features
Updating the firmware using the build-in ROM bootloader is not very reliable via USB, the device is often not detected properly when powered in boot loader mode. Decided to add a custom boot-loader that updates the firmware from sd-card if one is present.
Update the ldscript.ld to account for the flash space used by the bootloader.
Validation
Tested Marlin can be build and boots correctly.