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xmega + freertos + c problem
clawson wrote:Crikey, hello Stu! Long time, no speak.Hi Cliff! Many moon pass! I've been meaning to get back here. I'll be poking my nose... ummm, head in on the weekends. Stu
Thursday, 23 February 2012 - 14:23
xmega + freertos + c problem
netmana wrote:stu_san wrote:So is the variable "c" referenced only in task_a()? Are you trying to use it in the ISR? c is only a local variable and not use in an ISRBummer. I...
Thursday, 23 February 2012 - 14:20
xmega + freertos + c problem
So is the variable "c" referenced only in task_a()? Are you trying to use it in the ISR? If you are trying to use "c" in an ISR, it must be a global. Stu
Monday, 20 February 2012 - 15:48
xmega + freertos + c problem
Haven't been in for more than a year, poke my head in just to see how things are going, and here's a question I think I can answer. Take a look at the code generated for task_a...
Friday, 17 February 2012 - 23:56
Atmega 328p USART Issues
I really hope that the following are in the list of tutorials you've been reading: [TUT] Newbie's Guide to AVR Interrupts If you want to use interrupts, start here! [TUT][SOFT]...
Friday, 8 April 2011 - 02:47
AVR port I/O changing timing
cailtin1 wrote:The system uses an A/D, D/A the information is stored in the external static ram, which means the pins will change very frequently. My understanding of how to do so...
Saturday, 2 April 2011 - 19:10
AVR port I/O changing timing
I'm guessing that an AVR (1) is something in the ATtiny series. That series, while small, is better suited to low part-count applications. Adding a parallel 32 K x 8 bit SRAM is...
Saturday, 2 April 2011 - 18:49
AVR port I/O changing timing
You are using what AVR chip? "n AVR (1)" is not anything I know about. "design calls for a 32 Kb memory" -- external memory, I presume. "ports will be changing very fast" - well...
Thursday, 31 March 2011 - 14:02
Asynchronous Serial TX
clawson wrote:Quote: One thing that I start off with is "99% of all UART problems are chip clock problems". What makes you say that? :-)I only steal from the best! :twisted: Stu
Thursday, 31 March 2011 - 13:38
CppUTest on the target
Levenkay wrote:alejmrm wrote: I find that a "real" unit test framework is just too heavy for running on the AVR along with whatever code needs to be run as well... So it WOULD be...
Tuesday, 29 March 2011 - 22:44
Asynchronous Serial TX
I was going to post my standard UART debug tutorial, but since you are using CodeVision and my canned rant is for GCC, I didn't. However, now that you've posted the problem with...
Tuesday, 29 March 2011 - 22:32
large float issues
Very cool project! Some suggestions: The date 2455652.0301 is based on a "zero" date of roughly 6727 years ago. The website you pointed at suggested starting with Julian date "...
Tuesday, 29 March 2011 - 22:16

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