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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....
Saturday, 1 May 2010 - 12:52
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...
Thursday, 25 February 2010 - 13:42
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...
Wednesday, 27 January 2010 - 05:00
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...
Sunday, 29 November 2009 - 22:57
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; }...
Saturday, 15 August 2009 - 07:28
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...
Saturday, 30 May 2009 - 11:34
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...
Saturday, 18 April 2009 - 07:10
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...
Saturday, 11 April 2009 - 12:08
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...
Wednesday, 8 April 2009 - 12:09
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...
Friday, 14 November 2008 - 07:57
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...
Monday, 18 August 2008 - 11:28

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