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Discussion Title Created date
256 bit shift register required
I require a 256 bit shift register for left shifting. I could do this in asm, but if I can set up a suitable typedef, I would prefer to do this in C. Not getting anywhere though....
Sat. May 1, 2010 - 12:52 PM
Automotive failures
It will be interesting to find out what is at the bottom of the recent spate of automotive failures. I would not be surprised that "lead free solder" and "surface mounted...
Thu. Feb 25, 2010 - 01:42 PM
How to get variables allocated contiguously in Data?
Hi, I have a requirement where at start up I wish to populate an array of structs & some other variables from EEPROM and occasionally(monthly), I wish to back-up the structs...
Wed. Jan 27, 2010 - 05:00 AM
bloated code
Hi All, I am stumped by some code where a straightforward statement causes instant bloating of my code. Scenario Case 1 I am using an ATmega8. Compiler option -Os. My code is...
Sun. Nov 29, 2009 - 10:57 PM
testing bitvariable structures
Hi all, I make a fair bit of use of bitflags in my code eg. struct { unsigned char bit0 : 1; unsigned char bit1 : 1; ... unsigned char bit7 : 7; }...
Sat. Aug 15, 2009 - 07:28 AM
Bloader failure
Hi All, I support about 100 students using ATMega128 with bootloaders and we use BLIPS as the iploader. This has worked pretty well. However recently I had two failures where it...
Sat. May 30, 2009 - 11:34 AM
DVK90CAN1 development board & MAX3232
Hi all, I have just started using the DVK90CAN1 & ported some ATMega128 code to it and having some problems. To solve these, I wrote some code which continuously sens a...
Sat. Apr 18, 2009 - 07:10 AM
Small enhancement to lcd.c in avr-libc examples
Hi all, I had a need to rewite this code slightly, for a controller board which does not have a R/W line to check status and whilst doing so I added the ability for it to work...
Sat. Apr 11, 2009 - 12:08 PM
pointers to an array
Hi all, Whilst I can succesfully write to elements of an array using pointers, I cannot read them back. *ch_ptr='x'; //works ch=*ch_ptr; //does not work (ch is always...
Wed. Apr 8, 2009 - 12:09 PM
printf (& other stdio functions) & dual UARTS
Hi All, I have used various stdio functions on an ATMega128, but now I have a need to send data to both UART 0 & 1. At this time I close on stream & then open the other...
Fri. Nov 14, 2008 - 07:57 AM
Why no trace on Simulator without ICE50
Hi All, I have switched from PIC to AVR in the last six months(I know, I should have seen the light years ago!) I am getting to the stage that I am more comfortable with the AVR...
Mon. Aug 18, 2008 - 11:28 AM

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