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Topic: Bootloader Error (Read 149 times) previous topic - next topic


Somebody have had this problem while is uploading the bootloader??
Error while sending: missing configuration parameter 'upload.tool'


You're using an incomplete board definition that omits the upload.tool parameter, or you're using a board definition from pre-1.6 days with a modern version of the IDE.

For most common use cases, there's a modern board package available, usually through board manager - if you tell us what you're bootloading, we can point you to the right one. Unfortunately a lot of pre-1.6 tutorials that tell people to modify boards.txt (which nowadays you should never be doing) are still being used, when the correct solution is to use an existing board package.
ATTinyCore for x4/x5/x61/x7/x8/x41/1634/828/x313 megaTinyCore for the megaavr ATtinies - Board Manager:
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