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Leave "my registers" alone.
I reserved some registers that are used in an Asm file with: register unsigned char reform_cntr asm("r4"); register unsigned char rownum asm("r5"); register unsigned char row...
Wednesday, 15 September 2010 - 22:44
GAS problems.
I know, I know it's common at my age... :? I'm trying to port some Atmel ASM code to GAS but I'm getting stuck on the following, for the moment at least. (forget about whether it...
Monday, 30 August 2010 - 10:12
Using fgetc
I have a test program that, among other things, grabs a byte from 1 usart, if present, and sends it to the other. //Do USARTs if (UCSR0A & (1<<RXC0)) { my_char =...
Thursday, 22 July 2010 - 10:02
Dragon and Xmega
I thought I'd start a thread to try and keep the 2 topics in 1 thread. Since AVR Studio V4.18 the Dragon can program and debug the Xmegas. It is supposed to both program and debug...
Friday, 5 March 2010 - 23:36
Wiznet Wiz question
I'm modifying a pcb to add Ethernet (are customers ever happy with that they have?), I'll be using the Xport XP1001001-03R thingy which works very well and easy to use. However......
Monday, 1 March 2010 - 08:12
Windows fonts for PCBs
Well I finally purchased a Window based PCB layout program that will import effortlessly (well mostly) all my old Protel Autotrax files. I still have both arms, legs, fingers and...
Saturday, 27 February 2010 - 21:53
4610X-R2R-103 Resistor network
I'm trying to get some of the above, we use several hundreds a year. Usually no problem as we have kept some in stock but now things have gone a bit pear shaped with the product...
Friday, 19 February 2010 - 22:40
YOSMQ (yet other step motor questions)
...whose answers may be buried in the millions of threads available about stepping motors. :? So I resurected my old unipolar motor, modify the code to run on a M164 rather that...
Saturday, 13 February 2010 - 22:21
See what you have done?
To the exponents of having no resistors in series with leds: My son got a camping led lantern that has 24 white leds in it, some of them had stopped working and some of them were...
Tuesday, 19 January 2010 - 08:49
Annoyed- Semidead JTAG Mk2 [solved]
I guess there is no point reading past this unless you have a solution. But it's a free forum. :? It seems I have lost nSRST (pin 6 of the JTAG header) therefore no ISP, PDI or DW...
Friday, 25 December 2009 - 07:48
Xmega-Mistery Interrupt vector
I'm just doing an Interrupt vector file to be included into ASM projects. There is a 4 bytes hole at 0x0CC-0x0CF (filled with nops for now) ;What's missing here??? 0x0CC-0x0CF...
Friday, 4 December 2009 - 05:57
Xplain USART bridge code. [solved]
So I zapped the 1287 with the 1287 firmware provided with the Xplain docs using the Dragon, but it seesm to be just the bootloader code so the existinng application for the USART...
Thursday, 19 November 2009 - 04:14

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