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Uploading using programmer doesn't work
See original GitHub issueHi!
I believe there’s a bug here. When I’ve specified to use a dedicated programmer in platformio.ini (USBasp in this case) I’m not able to upload successfully by clicking the upload button in VS Code.
A little research reveals that this is caused by the -D flag in avrdude, which prevents the flash from being erased before upload. Is there any reason why the -D flag needs to be there in the first place? It’s not used by Arduino IDE. I suggest the user may add -D to upload_flags if there’s a special case where it’s needed. For most users, it’s only causing trouble.
Issue Analytics
- State:
- Created 4 years ago
- Comments:6 (6 by maintainers)
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A lot has changed since this issue was opened. The current implementation where we’re using a custom upload command is much better IMO.
Because erasing the flash would erase the bootloader… which you don’t really want to do since you’re about to use it! 😆 But you don’t have that concern with uploading with a programmer, so an erase gives you a clean slate.