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From: | Juergen Harms |
Subject: | [avr-chat] Debugging contents of external SRAM (avrdude?) |
Date: | Tue, 30 Jul 2013 11:46:42 +0200 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130625 Thunderbird/17.0.7 |
For debugging/maintenance purposes it would be nice to have an easy way to - very occasionally - manually inspect/modify some few bytes of NV RAM storage - for instance to request an application to, at boot time, re-initialize the NV RAM from a template that is kept in flash memory.
Avrdude design restricts interactive access to a set of memory types which - for obvious reasons - does not include RAM (reasons that do not apply to external RAM). Did somebody come across this question and can suggest an easy-to-implement solution?
At present I consider to continue using eeprom to flag special actions that should be done at boot time (and where I can manipulate the flag with Avrdude) - would be more consistent if actions on SRAM could be flagged in SRAM.
Juergen
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