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Found 2 results

  1. Hi, I am new to the papilio enviro and to FPGA's ... (still expecting the 1st delivery) In good preparation of my plans with this device I studied alot opn the subject for a few weeks now and and read around in the existing forums. I started messing with VHDL in xilinx ISE .. The concept of FPGA's has attracted me much, but off course there is a lot to learn still .. I was wondering if it would be possible to used these wonderful 8 megs of SDRAM as video memory for VGA output .. ? If yes ... is it then possible to spilt it up and use the leftover as system RAM for some processor soft core (i was thinking of the 65816 because i have a past in that family) ? Or even better like putting it all in one flat address map where the soft core processor can manipulate the video memory direct random adressable ? I understand that access is limited by time slots .. but in burst modes you can do bulk transfers at high speeds .. but there must be alignment with read and write actions between the constant data refresh cycles ... I have seen the modules for testing the sdram .. but diving into that project in ISE is not a good start for beginners maybe since i did not really find a clear interface how to talk to the SDRAM controller module and translating it somehow into a flat always accesible way like the way you use SRAM.... Are there any experts who can elaborate a little more on this ? Grx.. Eric
  2. Hello, I'm also getting the "Cannot get programmer version, aborting" message when trying to upload a sketch to my Pro. I've tried the suggestions provided to others but continually get the same message. To date I've tried the following with no luck: - Ensuring that I have the correct port selected (tried again after removing every last trace of FTDI software from my Win7 pc). - Changing cables and ports on my pc. - The Zap 2.2.0 IDE bootloader approach as well as the approach described in the "LogicStart MegaWing Example" sketch. - Looking at it sternly to try and guilt it into working. - Ensured that Papillio Programmer is selected as the programmer. - Tried each of the Pro LX9 ZPUino boards when burning the bootloader and trying to upload code. I can see the TX light flashing when I try to upload and, as the others have stated, the AVR quickstart works just fine so I'm at a loss. My environment is Win7-64, Zap IDE 2.2.0, Loader 2.6 and the board says "BPC3011 V1.3". Any suggestions? Thanks, David