Re: Problem debugging firmware generated by Processor

Started by Ching CheeWee in 68HC1213 years ago

Hi Giles, Thanks for your reply. I followed your instructions and is able to use the project file created for MC9S12A64 to debug using the...

Hi Giles, Thanks for your reply. I followed your instructions and is able to use the project file created for MC9S12A64 to debug using the DP256 target board. Thanks for your help. :). Regards, CheeWee >Message: 13 > Date: Fri, 15 Apr 2005 12:55:35 +0200 > From: Gilles Blanquin > Subjec


Assembly in Codewarrior

Started by oulaxer11 in 68HC1215 years ago 1 reply

Hey again with then noob questions... we just got codewarrior to work a little and we don't know how to include multiple files in...

Hey again with then noob questions... we just got codewarrior to work a little and we don't know how to include multiple files in our project. i.e. #include dp256.asm for all of the register equates...


Basics: Compiler Options for DP256 Flash-upload

Started by fanderssohn in 68HC1215 years ago 1 reply

hi folks, I'm just getting started working with MCs. So there is probably a simple solution for the basic problem I'm...

hi folks, I'm just getting started working with MCs. So there is probably a simple solution for the basic problem I'm struggling with. I'm using the ICC12-C-Compiler with the HCS12DP256 Evaluation T-Board. I was playing with he example-file blink.c (written by O


S12DP256 and the ECT

Started by jb_tempe_jb in 68HC1215 years ago 3 replies

Hi, I'm attempting to write some code to use the modulus down counter for the DP256. No interrupts, simple gadfly loops looking...

Hi, I'm attempting to write some code to use the modulus down counter for the DP256. No interrupts, simple gadfly loops looking for the underflow flag. Oh, yeah, I'm using code warrior 3 and writing the program in C. My problem is that I can't write anythin


Moving beans between cpu types

Started by codewarr2000 in 68HC1214 years ago 4 replies

Can I export several beans from say a DP256 project and import them to a DJ64 project (beans obviously that use the same...

Can I export several beans from say a DP256 project and import them to a DJ64 project (beans obviously that use the same pin-outs/features)? I have the HC12 Standard edition. Or do I need to rebuild them from scratch? Thanks in advance.


HCS12 to HCS12 communication

Started by deaninkc in 68HC1214 years ago 9 replies

While looking around for a way to interface a DP256 processor to SD memory card and USB. I ran across the MC9S12UF32 processor that has ...

While looking around for a way to interface a DP256 processor to SD memory card and USB. I ran across the MC9S12UF32 processor that has hardware interfaces to both. The problem is it does not have a SPI or CAN interface or the AD that I need, so I though I would use both processors. I'm assuming I can somehow communicate between the two processors usi


D-Bug12 memory map & CW v3.0 MemoryTargets

Started by Victor Miramontes in 68HC1215 years ago

Hi all, Got two questions. Wanted to know if there is any documentation on the memory usage D-Bug12 v4.0.0b14 on the DP256...

Hi all, Got two questions. Wanted to know if there is any documentation on the memory usage D-Bug12 v4.0.0b14 on the DP256 processor. Also, I would like to know if anybody has any experience creating a sample project that will run in RAM with vectors for the 9s12badge boar


BDM and CAN BUS interaction

Started by Longworth, Kevin in 68HC1216 years ago 3 replies

When I use the Isystem BDM for the Star12 DP256, and using some third party CAN software, I get a TRUE returned from a function...

When I use the Isystem BDM for the Star12 DP256, and using some third party CAN software, I get a TRUE returned from a function which tells if the bus is in limp home mode. When this happens it is OK to disable the CAN tranciever, which I do by pulling the ENE and STBY pins low. Wi


Looking for D-Bug12 v4.0.0b14 Source Code

Started by mosejos in 68HC1215 years ago 12 replies

Hi, I am using the DP256 ad would like to know how the D-Bug12 v4.0.0b14 in POD mode works, I am trying to write firmware ...

Hi, I am using the DP256 ad would like to know how the D-Bug12 v4.0.0b14 in POD mode works, I am trying to write firmware similar to what the DBUG12 does to talk to a target board specifically the fuctions FBULK, FLOAD. Thanks in advance, MOsejos Design E


EETS4K EPROT Register

Started by Adrian Vos in 68HC1215 years ago 11 replies

Hi All, I am playing with the EETS4K module on a DP256. I am using this memory space to hold configurable data that can be...

Hi All, I am playing with the EETS4K module on a DP256. I am using this memory space to hold configurable data that can be altered by serial connected PC software. I find that this memory occasionally gets erased on power up or shutdown, and I think it could be due to not usin


S-record and the Sreccvt with Cosmic

Started by Frank in 68HC1213 years ago 4 replies

Hi, I am using a DP256 device with the Cosmic tool chain. My program works fine when downloaded via Zap tools. However i need a even...

Hi, I am using a DP256 device with the Cosmic tool chain. My program works fine when downloaded via Zap tools. However i need a even boundary paged based srecord for manual programming. My problem is, I used the cosmic chex to generate the srecord as follows, chex -p -o out.s in.o I used the above file with SRECC


Re: Digest Number 412

Started by Yogeesh in 68HC1215 years ago

Hi, Yes, one cth.h12 library indeed used _fctcpy()!! And yes, examples provided with the compiler had link files for both...

Hi, Yes, one cth.h12 library indeed used _fctcpy()!! And yes, examples provided with the compiler had link files for both automatic and manual paging mechanism. We have used Multilink cable and target has been correctly identified as DP256 (indicating that the target speed has bee


CANbus driver

Started by Francois in 68HC1216 years ago 6 replies

Hi, What will be a simple CAN bus driver. Can I just connect a half duplex multi-drop RS485 driver to the TX and RX pins. How...

Hi, What will be a simple CAN bus driver. Can I just connect a half duplex multi-drop RS485 driver to the TX and RX pins. How does the DP256 CAN handle the TX enable of a RS485 chip for instance. I suppose that a isolated configuration is possible with a one wire current


A256 not responding in BDM mode

Started by dee_17324 in 68HC1214 years ago

Hi I am using a DP256 in pod-mode to program an A256. I just want to confirm that I understand the DBUG12 manaul properly. ...

Hi I am using a DP256 in pod-mode to program an A256. I just want to confirm that I understand the DBUG12 manaul properly. If I have secured the flash, the debug function: '4.) Erase & Unsecure' will render the device programmable again? Right now, rega


Strange Behavior on Reset

Started by Tim Raabe in 68HC1215 years ago 6 replies

I finally got my bootloading working *almost* 100% perfect. The problem I had stemmed from not reading all the data sheets ...

I finally got my bootloading working *almost* 100% perfect. The problem I had stemmed from not reading all the data sheets carefully, and missing that unlike the DP256, the DT128's out of reset memory map completely hides the EEPROM (if someone can convince me why this is a good


can loop back mode in dp256...

Started by Prabhakar in 68HC1215 years ago 3 replies

Hi, My loop back mode is not working. I expect to get transmitted data on receive buffer. But still it is not receiving....

Hi, My loop back mode is not working. I expect to get transmitted data on receive buffer. But still it is not receiving. Please help. I'm trying to ignore acceptance filters by setting all mask bits to '1'. here is the code snippet... JSR ONSCI ; i


A256 Failure mechanism

Started by dee_17324 in 68HC1214 years ago 3 replies

Hi, I have recently experienced the failure of two NMIN-12A256B SBC's. I have been using another DP256 board to program them...

Hi, I have recently experienced the failure of two NMIN-12A256B SBC's. I have been using another DP256 board to program them in BDM mode. Here is a description of what happened with the latest dead board: - I had programmed the vector table into flash memo


Re: DP256 Reception problem

Started by rithes ameen in 68HC1213 years ago 1 reply

Hi Venki, I didnot confirm through other end i saw the response in the cro. I thing the other end is creating some problem with ATMEL...

Hi Venki, I didnot confirm through other end i saw the response in the cro. I thing the other end is creating some problem with ATMEL board i believe. Because the waveform i see on the bus when ATMEL is transitting is Bite curved. I ll check with loopB , which filter register should i load 0xFF. Actually i am using 11 bit identifiers so i loaded CAN0IAR[0-7] wit


SRecCvt parameters DP256

Started by johnpititto1976 in 68HC1215 years ago 4 replies

Hi All, I have almost finished my bootloader program(thanks to great suppport on this message board), except for figuring out...

Hi All, I have almost finished my bootloader program(thanks to great suppport on this message board), except for figuring out the correct parameters for the motorola S-Record formatting program SRecCvt. I have been passing the string, sreccvt.exe -b 16 0x30 32 -rf -o


bdm confused

Started by timjenison in 68HC1215 years ago 2 replies

I was playing around with different baud rates on my microBDM12SX+ pod. (runs debug12 v 4.0 on a dp256 internally) I tried 921600...

I was playing around with different baud rates on my microBDM12SX+ pod. (runs debug12 v 4.0 on a dp256 internally) I tried 921600 and it didn't say invalid baud rate so I hit enter. Now it won't communicate at any baud rate, even after a cold start. How can I get it back to 9600?