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ATTiny48 TWI in Slave Mode
I cannot get the ATTiny to respond to its slave address. What am I doing wrong? I followed "AVR311 - TWI Slave Implementation". The ATTiny48 responds (ACK) when the master sends...
Tuesday, 22 April 2014 - 13:44
"nonconstant expression for load base"
I have the section of code shown below in a file called bootload.ld. In my makefile I pass this .ld file to the linker, and I get a .hex file that is mapped accordingly. I have...
Thursday, 12 August 2010 - 17:18
Schematic for the newer MKII?
I have a newer JTAGICE MKII. It stopped working this morning with a "can not identify target" message. I opened the case to look at the board. There are about 6 or 7 ultra tiny...
Wednesday, 10 March 2010 - 20:08
Global byte array takes less program memory?
Trying to optimize some code, I changed a byte array u8 dataBuffer[280]; from global to local - placing the declaration inside the only function in which it is used. When I...
Wednesday, 20 August 2008 - 17:36
C code interleaved incorrectly in disassambly
Hi, I am using WinAVR GCC compiler, ATMega1280 (128K flash). I am trying to debug my 8K byte bootloader at byte address > 0x1e000 (word address 0xF000). When I step through the...
Monday, 30 June 2008 - 17:38
"Coordinator: The object file does not contain source c
When I start debug mode, I get this message: " Coordinator: The object file does not contain source code information. Loaded objectfile: C:\Projects\.....\bootproj\src\bootproj....
Wednesday, 25 June 2008 - 22:34
How to debug a bootloader in AVR Studio
Is it possible to debug a bootloader in AVR Studio (step, break, etc.)? I am working with an ATMega1280 with the bootloader located at 0x1e000. AVR Studio version 4.14. Is...
Tuesday, 24 June 2008 - 22:30