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xmega TWI problems?
I've interfaced a Honeywell HMC6343 compass chip to an xmega128a1 processor using the TWI interface. The driver code I used was based on AVR1308 "Using the XMEGA TWI" and the...
Friday, 22 April 2011 - 14:59
Thoughts on 86rf2xx Direction Finder
We had a project request to look at using a network of 'rf212 devices to locate assets via triangulation. The idea would be to have at least 3 receiving stations at known fixed...
Wednesday, 6 April 2011 - 14:06
AVR1308 TWI master to HMC6343 slave
I'm trying to use the TWI interface on an xmega 128a1 to interface to a Honeywell HMC6343 compass chip. It seems that I'm not getting the acknowledgment from the slave as I'm...
Friday, 25 March 2011 - 19:46
GCC bug or C language quirk?
I thought that *EVERYTHING* following a '//' was supposed to be a comment up until the EOL character Well I wanted to comment out a line that was part of a multi-line statement (...
Monday, 7 March 2011 - 21:15
How to build an eeprom image
I need to create a hex file that contains ONLY an image of the data to be uploaded to the processor's EEPROM. This will be configuration data. I know it is possible to program...
Wednesday, 2 March 2011 - 15:14
avrjtagmkII under linux with avrdude
I can't seem to access a usb connected jtagmkII with avrdude. The command avrdude -p m32 -c jtag2isp gives the response: avrdude: ser_open(): can't open device "/dev/parport0":...
Sunday, 20 February 2011 - 15:44
avr studio projects
Every time I create or modify a project on avr studio the files I add have the paths absolutely fixed, rather than relative to the project home directory. Projects downloaded...
Tuesday, 15 February 2011 - 18:56
declaring and initializing array of structs of PGM_P
I'm trying to declare an array of structures containing Program space strings. The struct looks like: typedef struct { PGM_P command; PGM_P fail_msg; PGM_P ok_msg; }...
Monday, 14 February 2011 - 21:19
avrdude, xmega pdi? jtag, linux and avarice?
Does anybody know if the current version of AVRdude will support programming an Xmega using the Atmel AVRISPmkII in PDI mode? Version 5.10 (is this the latest?) does not break...
Monday, 14 February 2011 - 15:11
relocation truncation error?
The following lines under 'case 'C':' generate the error shown below. I'm at a loss to know what this means. Something in the sscanf is causing this. Any ideas where I should...
Monday, 7 February 2011 - 22:28
Atmel MAC question, pal_timer_start() function
Can you call pal_timer_start() from inside a timer_cb() function? I wanted to beep a buzzer, so I turn it on and call pal_timer_start(). Inside my callback function I turn off...
Wednesday, 2 February 2011 - 20:24
ATTINY4313 available at last?
I just saw this linked from adafruit.com http://www.evilmadscientist.com/... Seems they might be the only ones that have some (in pdip) Mouser has some soic's Digikey and Arrow...
Wednesday, 2 February 2011 - 17:59

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