Delco/Delphi/GM ECUs run entirely custom code, so its unlikely that the boot loader you found is used. The HC11 processors have been around for a while and may variants exist eg our '808 ecu has 0xFF bytes of ram but the 16231448 ecu has 0x3FF. Delco licensed the HC11 processor, but invented chips ...

i see you wrote that software youreself if my bad web translation from russian was right nice work.have downloaded and run the software would be nice to be able to see all the outputs without the ecu needing to be connected .but ive seen the screenshots on the webpage looks good. Offcource, I fores...

I read M68HC11RM document from frescale. I found Boot loader listing. There is a comment: * THIS BOOTSTRAP PROGRAM ALLOWS THE USER TO * DOWNLOAD A PROGRAM OF EXACTLY 256 BYTES. * THE PROGRAM MUST START AT $0000. * EACH BYTE OF THE PROGRAM IS RECEIVED BY THE * SCI, STARTING WITH THE $0000 BYTE AND WO...

The flash tool uses either mode 11 or mode 12 - mode 11 writes in 8 byte blocks and mode 12 in 128byte blocks. These are ALDL modes that have been added, they are not part of a factory GM ECM code. The bin you have attached looks like HC11 code, can see in the init area that it sets the stack to 0x...

Thanks, I had a look at the log but cannot see where its failing? Look start from 41 packet. You send request then you start to read echo. Read only 2 bytes then abort serial line. It means adapter has no time to reply. It is appears aon most packets ant not only while echo sent. Then look at 36 pa...

What year is that ECU? Most our testing here is currently with early 90s australian delco ecus, which have a 16bit architecture allowing 64kbyte of address space max (without bank switching, which is done in the VS commodore ecu to allow 128k of data) My car is 2007 year. Poland (FSO) manufacturer....

Portmon log in attacment. There is GetCal request. I did it on my PC with ECU emulation. I purposely set 1 - 10 msecs (randomly) between bytes to forse problem. By my expirience with my ECU the reading timeout is 1000. / baudRate * bitsPerFrame + constant. (read MSDN for COMMTIMEOUTS::ReadIntervalTi...

I have couple questions :oops: My car is Daewoo Lanos 1.5L Euro II. ECU installed is KDAC with ZXJN program id. The question is how do reflash that ECU?. Is it wossible at all? I found no info about ALDL modes which allow flash writing. The ECU fully supports 0,1,2 4 which I tested. How your program...

Thanks for you work but smalest problem exists. The read timeout between arrival of two bytes is small. I'm using adapter on ftdi chip and coudnt read any dump of memory. I have run PORTMON NT which capture adapter port and I see that your program has been interrupted by timeout every request it do....