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Found 10 results

  1. Hi, I have done a project for ARTY board which uses a bootloader to run my software application following this tutorial: How To Store Your SDK Project in SPI Flash My problem is that it works only after I press the PROG botton. So, after I connect the power, the FPGA PL get programmed (I see LED blinking correctly), but it seems that the bootloader does not. Only after I press PROG it does. What should I do to avoid pressing PROG at the beginning? Thanks, Lorenzo
  2. Hi all, i did the tutorial "How To Store Your SDK Project in SPI Flash" (https://reference.digilentinc.com/learn/programmable-logic/tutorials/htsspisf/start) and everything works fine. ...But now i recognise when, i connect the Cmod-A7 to my USB-port, the FPGA is programmed but the bootloader does not start the C-programm i created in the SDK. If i now disconnect and connect it again, the bootloader starts the C-programm and everything works fine. Maybe someone know how to handle this?
  3. Hi, I've build a board using the pic32MX795L, the same as the Chipkit max32 for research purpose. I can upload any code using the pickit 3 and a generated code from MPLAB X, but when I upload the bootloader from Digilent site, nothing happens. I manage to build a code in MPLAB to test the operation of the circuit and every thing seams ok, I can send and receive data over the UART1 @115200 baud with no problem. But when I upload the firmware with pickit, the device is not recognized by pic32prog. the message after a few seconds is "No target found." even when I hit the reset during up
  4. Hi, could it be possible to have the source code of the mentioned bootloader? I mean the one used to generate chipKIT_Bootloader_Cmod.hex
  5. Hello, I've recently purchased a PYNQ-Z1 dev board and am working to follow the examples in the Adam's MicroZed Chronicles. I'm able to successfully create the reference design in Vivado consisting of only ZYNQ PS, generate bitstream, Export HW Design and also create software projects that run on the target device in the SDK via JTAG. When attempting to create the boot image and flash, I've been unable to get the anywhere via QSPI or by placing the .bin file directly on the SD card and using the SD boot option switch. Here are the steps I've taken thus far:
  6. Hi, I have encountered a problem programming the flash of my CMOD A7 35T with the bootloader image, so that the FPGA would automatically configure itself after power on. Briefly, I placed my project (through its linker script) into the SRAM CELLS of the board and I programmed the flash with the SREC of the project. Now, if I program the FPGA with the bootloader elf (placed into the BRAMs), it works fine (the bootloader actually moves the program data from flash to the SRAM CELLS). But if I try to program the flash with the download.bit (created with "Program Flash" and the bootloader .el
  7. Hi, Could anyone provide a complete step-by-step tutorial (perhaps in "ARTY Resource Center" style ;-) on how to boot the Microblaze and load the application program from the SPI flash on Arty? I have carefully read this post but I am missing some part, e.g. how to modify the "PARAM_VALUE.C_USE_STARTUP" parameter in the *.xit file and how to clock the SPI flash. Thanks. enrico
  8. Hi, I was wondering, Since Arduino IDE 1.6.5 with chipkit-core-windows.16778039.v1.0.0-27-gdfa0309 cannot erase the memory of the ChipKit uC32 but the MPIDE can. Is there a way to extract the bootloader version from the ChipKIT? I mean any ChipKIT since I have three flavors in front of me? I do not have a programmer thought. Luc
  9. Does anyone know how I can get the images used in the Bootloader Tutorial (see image below)? The file is located here: http://www.digilentinc.com/Data/Documents/Product%20Documentation/chipKIT_Bootloader_Tutorial.pdf Thanks