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Timer overflow ISR execution is delayed - precise timing needed.
void waitForSample() { while(wait) wait = true }   This bothers me, what if the interrupt occurs after the while statement, but before "wait = true".  In this...
Tuesday, 13 October 2020 - 19:01
Serial communication problem in atmega328
You need to use the datasheet for the 328 and look at the baudrate charts.  The baudrate is based on the clock frequency you're using with your AVR.  Again assuming you...
Tuesday, 19 November 2019 - 19:12
Serial communication problem in atmega328
Kunalgupta wrote: u can check my code if want  and also i baud rate is not the issue because it is working fine previously at 9600   Previously you said "u can check my...
Tuesday, 19 November 2019 - 18:53
Serial communication problem in atmega328
You say it worked fine at 9600 baud. Your screen shot shows a UBBR0L = 103, which would be 9600 (assuming you're really clocking at 16mhz).  What did you change the UBBR0L to...
Tuesday, 19 November 2019 - 18:40
SD Card Failure in Nissan Navigation System
Just to wrap this up, the new SD card arrived yesterday.  I installed it, was prompted for an update, update was successful, system rebooted, and it seems to be happy now....
Wednesday, 10 April 2019 - 16:45
SD Card Failure in Nissan Navigation System
We should get the new card next week, then we'll know for sure.  If it is the card, it's a shame it's not more robust.  I see camera guys abusing these cards all the...
Friday, 5 April 2019 - 19:35
SD Card Failure in Nissan Navigation System
If I was to try to actually clone the card, I know it would be more involved.  I did see a video about cloning a nav card and Linux was the platform being used.  Might...
Friday, 5 April 2019 - 18:42
SD Card Failure in Nissan Navigation System
I went the salvage yard route once, got a unit in from Louisiana claiming to be “like new”. It was a dusty piece of junk with a cassette tape still stuck in it. Yes that card has...
Friday, 5 April 2019 - 05:18
SD Card Failure in Nissan Navigation System
I just dragged the folder to the desktop, so a Windows copy. No custom copy software. I found that Amazon sells new nav cards from Nissan, so we’re going to try that. If the new...
Thursday, 4 April 2019 - 23:19
SD Card Failure in Nissan Navigation System
We’ve removed/inserted many times. While copying the memory card to an Xp laptop, it got pretty far and then crapped out with a read error. So either the memory card is going bad...
Thursday, 4 April 2019 - 06:13
SD Card Failure in Nissan Navigation System
Well I guess you can read the card, the root has a folder named cryptnav, with 6gb of files under it. It seems too easy to just copy this to another card and expect it to work,...
Thursday, 4 April 2019 - 05:21
SD Card Failure in Nissan Navigation System
From what I’ve read, I need to put the card in a similar vehicle, or the system will brick. Hopefully a power cycle at the battery would unbrick it. I know that my Rogue is in a...
Thursday, 4 April 2019 - 05:09

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