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Hello, I am about to make my first board based on a MC9S12A128B controller. There will be one half duplex (two wire) RS485 connection and I am going to use one...
Hi Everyone, I am somewhat of a newbie using the Adaptmax812, which uses the HC812A4 micro, and was wondering if anyone could help me understand how to...
Hello everyone, I would like to know the current PC counter of my software at the moment the watchdog is called. I tried to look in the stack pointer by adding...
... Try calling this from the watchdog handler.... don't guarantee it.... //-------------------------- void dumpregs(void){ //dump hc12 registers asm(" sts...
2702
Doron Fael
doronf@...
Apr 2, 2003 5:22 am
Frederic, The Watchdog vector is not an interrupt vector, but rather a Reset vector. As far as I understand, the SP register value after Reset is not...
Hi All, I am doing some code with float coefficients, where the final calculation result is loaded into an int. When I do this, I get the possible loss of data...
2704
Erich Styger
estyger@...
Apr 3, 2003 7:38 am
Hi Adrian, you can use the #pragma MESSAGE to switch off/modify messages in your source code. See manual for details on this pragma. Example: float f; int i,...
I've written a small assembly language program that exhibits rather strange behavior when running from EEPROM with PAD0/1 set to jump to EEPROM. After...
Thanks Erich, This solves my problem.... still I am surprised that the casting does not get rid of it, or that there is not some ANSI way to get rid of it, but...
2707
Frank
linktek@...
Apr 4, 2003 2:21 am
Hi, Regarding programming the DP256 flash. I am curious to find out how even/odd addresses affects the programming of the flash. The documentation does not...
... It sure does matter. Read AN2153, A Serial Bootloader Reprogramming the MC9S12DP256 FLASH Memory. ... The ap note spells it out pretty well. Gary Olmstead...
2709
Frank
linktek@...
Apr 4, 2003 6:59 pm
Hi, I registerd on the Motorola web site to download files etc. However, when trying to download app note AN2153SW.zip my PC just sits there endlessly waiting...
Gordon Doughman at Motorola has provided a port of the SRecCvt utility as a MacOS X command line tool. It's now included in the SRECCVTSW package on the...
2712
Ed Carryer
carryer@...
Apr 4, 2003 10:34 pm
I have found what seems to me like an ambiguity in the documentation for the '912B32 and I'm wondering if someone knows or has deduced or explored the answer. ...
I'm using Metrowerks and the CodeWarrior debugger for an HC12. It is HiWave ver 6.1 from MW Ver 1.2 (I'm chicken about installing the new tryout version 2.0)....
2714
Todd Morton
toddm@...
Apr 4, 2003 11:09 pm
Ed, That is a good question and I hope someone from Motorola can answer. I noticed that when writing to SP0CR2, bit 3 will not change - stuck low. On our Noral...
2715
Ed Carryer
carryer@...
Apr 5, 2003 12:09 am
Todd, That's very interesting, and consistent with the overheads that I have from a Motorola seminar a few years ago. The overhead only shows SPC0 and SSWAI...
Hello, Does anybody know how can I run application from RAM with metrowerks? I've done a bootloader in C for MC9S12A128 and a program with Builder C++ to...
Frank -- Are you sure it didn't download? The file is tiny (13K) and downloads so fast that you just may have missed it happening. Try searching your hard...
2718
Erich Styger
estyger@...
Apr 6, 2003 6:49 pm
Hello Bob, The assembler itself does not know about normal/standard C types. But have a look to the DS directive: by default it is .B (byte), but you have .W...
Hi All, I am looking into doing a project which requires the ability to output a PAL/NTSC encoded composite video signal. I would like to use the S12 to do ...
In a message dated 4/6/03 8:44:14 PM Eastern Daylight Time, ... There are Epson LCD controllers that also output NTSC.. [Non-text portions of this message have...
2721
Frank
linktek@...
Apr 7, 2003 3:29 am
Hi, Check out the article "GET HOOKED ON VIDEO WITH THE STV5730A" - Issue 152 March 2003 Circuit Cellar. Frank ... From: "Adrian Vos" <vosadrian@...>...
Hi I have an EBV Board 9S12 256 model 112 by Elexsys. I am trying to download my *.abs code to the board in order to test my application and I get an error ...
2723
Gilles Blanquin
gblanquin@...
Apr 7, 2003 8:25 am
Hi Uri. Once you have opened the flash programming (Non Volatile Memory Control) dialog, you had better go through this dialog to "Load..." the application. ...
... Thanks for your reply I looked over and found // Before loading the commands written below will be executed // The following commands must be enabled to...
2725
Gilles Blanquin
gblanquin@...
Apr 7, 2003 9:40 am
Uri, I know that you use a P&E Multilink (or Cable12 HS) cable to develop and debug your board. If you don't plan to use pre installed software like a monitor...
Hi, I'm not 100% sure I do understand your setup. If you just want to build a little app in an SRECORD or binary format which gets loaded to your core at...
Hi everybody Now, I try to control step motor with 912H256 or 128 in order to make a Cluster(5 motor: 2 full bridge, 3 half bridge) but i don't know exactly...
Scheduled Maintenance:
We are undertaking some essential, but extensive maintenance to improve Yahoo!
Calendar. Your Group Calendar is being migrated to a much improved version of
Yahoo! Calendar. During the maintenance period, you may not have access to your
Groups Calendar.
We sincerely apologize for this inconvenience. Your Groups Calendar is in great
shape and we are working to have it available again as quickly as possible
- Yahoo! Groups & Yahoo! Calendar Team
