Type in the full discussion title or a part of it.
Discussion Title Created date
Strings in RAM not initialiced
Hi. After switching to AVR-Studio 5 (GCC 4.5.1) my strings (and other preinitialiced variables) are empty or undefined. With an older GCC Compiler 4.3.3 and an external makefile...
Tuesday, 20 March 2012 - 14:04
How to declare a FAR pointer to string array's outside 64KB
Hi. I've some big string arrays in a ATmega2561 (> 64KB). If i want to access this string with a pointer, it doesn't fit, because a "normal" char * has only a 16bit range. First i...
Thursday, 15 March 2012 - 13:15
How to compile a (too) large data segment on ATmega2561
Hello. I get a lot of errors (20), it i try to compile a part of my source code. Assembler messages: C:\Users\dummy\AppData\Local\Temp/ccmcbv9f.s:5546: Error: value of 101760...
Tuesday, 13 March 2012 - 12:12
Stack Monitor in GCC
Hi. How can i get the contens of the stack in C?. I need to analyse, what part of my programm is calling a function in a spezial condition. So i want to take a look on the stack,...
Monday, 10 August 2009 - 08:55
Easy way to check size of used/free ram
Hi. Is there a easy way to check, how much of the avaliable ram is used/free? For example: i use a ATMega88, witch has 1k of ram. I declare a array : unsigned int Test[30000] ,...
Tuesday, 17 February 2009 - 13:04
ATMega88: Flash page unable to read after selfprogramming
Hi. I've problem in a bootloader at the atmeg88. I use a bootloader, who is working well on a ATMega8. After programming the chip, the content of page 0 isn't correct. It seems,...
Wednesday, 5 December 2007 - 15:54
Bug in WinAVR-20070122: GCC doesn't build complete code
Hello. I hope this is the right place to make a bug report, isn't is? I found a bug by doing the following code. It's only a small part of my program, but you can reproduceable...
Wednesday, 28 March 2007 - 14:29
How to Implementing a ASM signal-routine in GCC
Hello. I have to program a very very time critical ISR routine on a pin change interupt. (every 2.5µs a interupt!!) The GCC is producing to much unnecessary code: pushing and...
Tuesday, 27 March 2007 - 16:22
Can't send a data byte over TWI on ATMEGA8
Hello. I've a big problem to send a byte over the TWI lines. I have two ATMEGA8, connected over TWI lines, including a pull up, one as Master, one as Slave. The problem is: After...
Monday, 16 October 2006 - 15:38
fdevopen hangs with gcc 3.4.5
Hello. I try to send some text to a LCD Display using printf(). To do this, first i set my output function with : fdevopen( put_char, 0); (the old compiler need tree params) The...
Thursday, 17 August 2006 - 12:24
GCC moves in mysterious ways
The compiler seems to make some mysterious things....... I use the gcc compiler gcc 3.4.5 and try to compile this function for a Atmel Atmega128: void wait(unsigned int zeit...
Wednesday, 16 August 2006 - 15:14
Binary character definition
Hi. Is it possible to make a binary definition of a char variable: At this time i set the value with a hex value unsigend char dummy; dummy = 0xA5; Is it possible to give a binary...
Friday, 23 June 2006 - 09:57

Pages