Post Created date
time.h and/or timing library for C
ka7ehk wrote: But, YOU are going to have to implement that timer that everything else has to refer to. There is no magic way around that. True, which I am already doing, but I...
Sunday, 1 March 2009 - 00:25
time.h and/or timing library for C
I've learned something new today - only a subset of standard headers are required for non-hosted C environments. Guess it's time to find a BSD licensed version of time.h (and...
Saturday, 28 February 2009 - 06:03
[TUT] Modularizing C Code: Managing large projects
A few other little hints along the same lines. * Include as FEW header files in other files as far as is possible for several reasons: (1) You can quickly tell what modules are...
Saturday, 28 February 2009 - 05:58
Bootloader - separate vs combined with application prorgam
Cliff, Thank you for the very good post - it explains it very well indeed. Peter, The wait for 0.3s (we did 1s) was the approach we used for the PSoC bootloader for the last...
Saturday, 28 February 2009 - 04:56
Bootloader - separate vs combined with application prorgam
Thank you, there's some good information there. I'm interested in the relocatable vectors: I have only done a bootloader for PSoC before, where the vectors were not relocatable at...
Friday, 27 February 2009 - 08:59
Maximum frequency of USART in SPI mode
danni wrote: No, its not identical. E.g. ATmega328P: "High Speed Operation (fXCKmax = fCK/2)" I stand corrected :) I've have just looked at the manual again. Lave a look at...
Thursday, 12 February 2009 - 11:24
xmega register structures - SPID.DATA vs SPID_DATA
Then there's something strange going on.... I believe I'm using the same WinAVR as you are, yet my header file is several months younger than yours, and several increments later....
Wednesday, 4 February 2009 - 11:34
xmega register structures - SPID.DATA vs SPID_DATA
In my version, it's defined differently: #define SPID_DATA _SFR_MEM8(0x09C3) This is the header from my version: /* $Id: iox128a1.h,v 1.1.2.11 2008/11/03 04:13:14 arcanum...
Wednesday, 4 February 2009 - 09:55
Multiply, divide, add performance for various data types
I have tried the trick where the output variables are assigned to a port - the results for -O2 are comparable to what I have already posted: uint8 22 uint16 98 uint32 102 int8 22...
Monday, 29 December 2008 - 06:08
bootloaders and xmega?
Today I received the following information from Atmel regarding the bootloader: Dear Customer, 1. There were some issues with the bootloader section, but it is fixed in the rev. H...
Friday, 19 December 2008 - 05:55
endian issue
I think this should be a candidate for an FAQ/Tutorial...
Monday, 15 December 2008 - 23:43
bootloaders and xmega?
TravelRec wrote:The engeneering samples available yet of XMega128A1 has an errata: the boot section of flash is not functional. I have not tested the bootloader feature these...
Monday, 15 December 2008 - 23:14

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