Type in the full discussion title or a part of it.
Discussion Title Created date
ATmega88 simulator of AVR Studio reads always 0x00 from UDR0
Hi, I'm using AVR Studio 4.12 Service Pack 2. For the first time I'm programming an ATmega88. On other devices (e.G. ATmega8) I noticed that the USART data register is always...
Tuesday, 4 April 2006 - 12:48
Creation of AVR GCC project in AVR Studio failes
Hi, I try to switch from programmers notepad to AVR Studio as editor for my gcc C-Files. I'm using AVR Studio 4.12 Service Pack 2 Now I'm able to create a new AVR GCC project in...
Thursday, 30 March 2006 - 19:53
Function returns 16 bit value instead of 8 bit.
Hi, I have implemented my application that the functions return 0 if a operation terminated successfull and a negative value if not. Example: int8_t ReadByte_UART (uint8_t *data...
Monday, 27 March 2006 - 07:15
Setting fuse bits with avrdude
Hello, Sure, the web is full of tutorials and manuals for using avrdude to program fuse bits. But I can't find them... :? Please give me some links. I'm using a serial programmer...
Thursday, 9 March 2006 - 17:25
2 Timer interrupts sharing 1 ISR
Hello, I know my question is quite unusual but is it possible that two different interrupts can trigger the same ISR? Timer 1 (clocked by an external source) or Timer 2 (clocked...
Monday, 6 March 2006 - 09:13
Bootloader Page Write failed
Hello, I'm programming a bootloader. The code size is nearly 512 words and I'm not finished yet. To avoid the need of more than 512 words I started optimizing the code. So I could...
Thursday, 2 March 2006 - 19:55
Can't flash AVR device with avrdude
Hello, on my system avrdude doesn't work.It seems avrdude is unable to open parallelport LPT1. I use a Compaq Presario 1200 Laptop Operating system is WinXP. IDE is WinAVR-...
Wednesday, 22 February 2006 - 13:01
How to tell WinAVR GCC where to place bootloader code
Hello, I'm using WinAVR-20050214 and try to write a simple bootloader for an ATmega8. In avr-libc 1.2.3 I found many good information about how to do it. But not all In chapter "...
Monday, 20 February 2006 - 11:27
Using IO Register for global flags
Hello, I'm programming an ATmega8 with WinAVR-20050214. For global flags I like to use some IO Registers, because setting and testing these flags is much faster than using flags...
Monday, 20 February 2006 - 09:02
How to avoid PUSH and POP in ISR?
Hi, I have programmed a AT90S2313. The µC polls some inputs. To get a timing context I have done this in a timer ISR. Most work is done in the ISR. All other functions only handle...
Tuesday, 22 February 2005 - 13:35
Using tiny memory model with AVR-GCC And AT90S2313
Hi, I read in the Atmel application note "Efficient C Coding for AVR" on page 18 that it is possible to use a tiny memory model with the advantage that all pointers have a size of...
Wednesday, 26 January 2005 - 08:05

Pages