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DMOSFET for High Side drive I have an application that requires 8 channels of 1v to 12v at about 30 ma max. This voltage is "settable" and varies slowly over time in response to process conditions... |
Wednesday, 14 August 2019 - 01:54 |
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Has anyone seen a port bit fail? I have a board that uses ATMega1284P's. Dozens have been used in the field for years. My systems live in a very harsh lightning environment but over a period of 10... |
Sunday, 14 July 2019 - 19:31 |
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Re-Enable JTD? I have run short of pins (yup, I know, old story ; I would like to: Disable JTAG (JTD = 1) Read a set of 'option' switches connected to the JTAG pins via 1k resistors... |
Friday, 5 July 2019 - 23:19 |
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Learning how things are done (Calling sequences, return sequences, etc.) I have done a lot of debugging (Atmel Studio w/GCC, ATMega1284P) and I sometimes get down into the "Disassembler" window. I can find my way around a bit given my knowledge... |
Saturday, 4 May 2019 - 23:44 |
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Bootloader/Application Coordination I would like to allocate an area of SRAM to use to coordinate between my boot loader and my application and allow them to exchange data in that area. The area will have a '... |
Saturday, 4 May 2019 - 23:30 |
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Symbolic debug of Application with boot loader I have searched the forum but I don't find anything that fits my situation. I apologize in advance if I missed it ... I have a boot loader which has been debugged and... |
Tuesday, 23 April 2019 - 20:02 |
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ATMega1284P ELPM instruction issue This question is in relation to a thread that AlanK2 and I have been exchanging having to do with an ELPM instruction "apparently" loading a byte from an incorrect location.... |
Saturday, 30 March 2019 - 03:14 |
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How to abort build if flash/eeprom overflows I am programming ATMega1284p with Atmel Studio 7 on Windows 10. Several times now I have had a long debugging session only to discover that the program flash section has... |
Wednesday, 6 February 2019 - 19:54 |
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Processor died? I have a board based on an ATMega1284P. I am using a 20mhz xtal bypassed with 22pf caps. These boards have been in use for over 5 years (on for maybe 10 hours per week... |
Tuesday, 28 August 2018 - 20:26 |
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Page eject when printing source code When viewing a C/C++ source file within Atmel Studio you can press CTRL-P to print it. I would like to insert form feeds (page ejects) such that a new print page is started... |
Monday, 27 August 2018 - 13:11 |
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Testing to see if a command line option is set I am using the -finstrument-functions gcc compiler (Atmel Studio) option and I want to do two things - issue a compile-time warning that the option is on - optionally compile in... |
Saturday, 17 March 2018 - 14:23 |
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Linker "wrap" feature I am attempting to "wrap" calls to malloc (see thread https://www.avrfreaks.net/forum/instrumenting-malloc-free#comment-2393596) When I add the --wrap=malloc option to the... |
Tuesday, 13 February 2018 - 13:32 |