877A, after loading firmware bootloader disappears [abandoned]
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877A, after loading firmware bootloader disappears [abandoned]
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2012-11-06, 16:40:51
(This post was last modified: 2012-12-25, 17:14:52 by Mikael Gustavsson.)
Hello. I have 16F877A and succesfully loaded bootloader. After loading firmware with loader it seems that loader is deleted by it. Every reset the main program is running immediately. Is it possible to heal?
Best regards, Alexei
2012-11-06, 21:48:40
Hi,
How have you determined that the boot loader doesnt run?
2012-11-06, 21:57:15
With ds30 just flashed it can be checked by GUI. After I download my firmware with bootloader after every reset my firmware begins execution immediately, not bootloader. Although ds30 should be active for 2 seconds.
2012-11-09, 21:50:51
Please answer my question in more detail.
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