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[bug #26345] Feature Request: -S and -Z options from STK500.EXEURL: <http://savannah.nongnu.org/bugs/?26345> Summary: Feature Request: -S and -Z options from STK500.EXE Project: AVR Downloader/UploaDEr Submitted by: None Submitted on: Sun 26 Apr 2009 03:31:39 AM UTC Category: None Severity: 3 - Normal Priority: 5 - Normal Item Group: None Status: None Privacy: Public Assigned to: None Originator Name: RE Originator Email: recycle7777@... Open/Closed: Open Discussion Lock: Any _______________________________________________________ Details: The STK500 programmer has two useful command line arguments for saving data from the EEPROM during programming before the chip erase. From the program's help output: -Z [address] Loads a value from an EEPROM location prior to chip erase which then can be programmed into FLASH or EEPROM using the S option. Address is a hex value. See appnote AVR053 for more information. _______________________________________________________ Reply to this item at: <http://savannah.nongnu.org/bugs/?26345> _______________________________________________ Message sent via/by Savannah http://savannah.nongnu.org/ _______________________________________________ avrdude-dev mailing list avrdude-dev@... http://lists.nongnu.org/mailman/listinfo/avrdude-dev |
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[bug #26345] Feature Request: -S and -Z options from STK500.EXEUpdate of bug #26345 (project avrdude): Severity: 3 - Normal => 1 - Wish _______________________________________________________ Follow-up Comment #1: I'm not very convinced about the usefulness of such an option. For one, my guess is that this option in stk500.exe simply predates the days of the EESAVE fuse, where each chip erase involuntarily erased the EEPROM as well. Second, why stop at a single byte? What if someone wants to read two bytes, or four bytes, or two times two bytes? Or, if someone wants to read the oscillator calibration fuse, and store it automagically in EEPROM? The same issue came already up with bug #17487, about how to handle the oscillator calibration value. So what I think is needed here would be a fairly generic scheme "copy this many bytes from this memory space to that many bytes of that memory space", where each option invokes a new copy operation. Unfortunately, this is going to be a major effort which is beyond my own available capacity. If someone wants to implement a complete functionality as outlined here, please speak up on the avrdude-dev mailing list, file a RFC for the implementation, and then start implementing it. _______________________________________________________ Reply to this item at: <http://savannah.nongnu.org/bugs/?26345> _______________________________________________ Message sent via/by Savannah http://savannah.nongnu.org/ _______________________________________________ avrdude-dev mailing list avrdude-dev@... http://lists.nongnu.org/mailman/listinfo/avrdude-dev |
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[bug #26345] Feature Request: -S and -Z options from STK500.EXEUpdate of bug #26345 (project avrdude): Priority: 5 - Normal => 3 - Low _______________________________________________________ Reply to this item at: <http://savannah.nongnu.org/bugs/?26345> _______________________________________________ Message sent via/by Savannah http://savannah.nongnu.org/ _______________________________________________ avrdude-dev mailing list avrdude-dev@... http://lists.nongnu.org/mailman/listinfo/avrdude-dev |
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