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  1. SDK fatal error:xgpio.h no such file or directory I am using: Vivado 2016.4 Design Tools Windows10 on a Lenovo Ideapad Zybo dev. board with the Zynq7020 While following the first exercise in The Zynq Book Tutorial. I encountered several errors but they seemed harmless enough since I was able to successfully create and export a bitstream. But now I am wondering if those warning and errors from the IP Integrator stage is causing my inability to build the project LED_test_tut_C.c code in the SDK, receiving fatal error:xgpio.h:No such file or directory. When looking in "C:\Zynq_Book\first_zynq_design\first_zynq_design.sdk\LED_test_bsp\ps7_cortexa9_0\include", there is indeed no "xgpio.h" file. Could this be due to errors I received in the during implementation? Such as: WARNING: [Constraints 18-550] Could not create 'IOSTANDARD' constraint because net 'first_zynq_system_i/axi_gpio_0/gpio_io_o[0]' is not directly connected to top level port. 'IOSTANDARD' is ignored by Vivado but preserved for implementation tool. [C:/Zynq_Book/first_zynq_design/first_zynq_design.runs/impl_1/.Xil/Vivado22392YogaFlex/dcp_3/first_zynq_system_axi_gpio_0_0.edf:3791] I think the first of which was: "ERROR: [Ipptcl 7-1] Could not find packager TCL script '/scripts/ip/ipx.tcl'" Another was: ERROR: [IP_Flow 19-2234] Failed to initialize IP Tcl interpreter '::ipgui_xilinx_com_ip_processing_system7_5_5': couldn't read file "C:/Xilinx/Vivado/2016.4/scripts/ip/xit/1.0/init.tcl": no such file or directory while executing"source C:/Xilinx/Vivado/2016.4/scripts/ip/xit/1.0/init.tcl" invoked from within "interp eval ::ipgui_xilinx_com_ip_processing_system7_5_5 ]" and CRITICAL WARNING: [IP_Flow 19-973] Failed to create IP instance 'first_zynq_system_processing_system7_0_0'. Error during customization. The list continues (can provide full more tcl messages and logs) but I was able to generate a bitstream. Another aggravating factor could be that I ran into the 2012 Microsoft C/C++ Redistributable compatibility issue when starting the SDK from within the IDE. To solve that problem I renamed xvcdredlist.ext in the "C:\Xilinx\SDK\2016.4\tps\win64" folder and launched from the Start menu. Since most of the errors encountered have to do with input/output and GPIO, I kind of think and hope that the root problem has to do with the following warning thrown in the Vivado 2016.4 IDE / IP Integrator synthesis/ implementation: "WARNING: [Constraints 18-550] Could not create 'IOSTANDARD' constraint because net 'first_zynq_system_i/axi_gpio_0/gpio_io_o[0]' is not directly connected to top level port. 'IOSTANDARD' is ignored by Vivado but preserved for implementation tool. " My question is whether all these errors received in the implementation stage are related to the error in the SDK. If that is the case than would solving the following error ( the very first error) solve all? if so how would I go about that? If in your answer you could as much explanation as needed to help me understand how to troubleshoot this myself, it would be most appreciated. As I am new to FPGA development. This is the tcl command that started it all: "create_bd_cell -type ip -vlnv c_addsub_0" and produced this: couldn't read file "C:/Xilinx/Vivado/2016.4/scripts/ip/xit/1.0/init.tcl": no such file or directory ERROR: [IP_Flow 19-2234] Failed to initialize IP Tcl interpreter '::ipgui_design_1_c_addsub_0_0': couldn't read file "C:/Xilinx/Vivado/2016.4/scripts/ip/xit/1.0/init.tcl": no such file or directory while executing "source C:/Xilinx/Vivado/2016.4/scripts/ip/xit/1.0/init.tcl" invoked from within "interp eval ::ipgui_design_1_c_addsub_0_0 ]" If these warnings and errors are unrelated could I successfully download the bitstream to my Zybo board without fixing the errors encountered while using the IP Integrator and only fixing the fatal error: xgpio.h: No such file or directory in the SDK? If so, is the best way to do that? Finally just to recap my questions are to help me understand the warning/error messages and ultimately resolve the xgpio.h no such file error, and as follows in no particular order: What dose first_zynq_systemj/axi_gpio[0] is not directly connected to top level port mean? As this would help me solve the IOSTANDARD error. Would renaming xvcredlist.exe create problems elsewhere? What is this tcl command trying to achieve and why is giving the error? create_bd_cell -type ip -vlnv c_addsub_0 Why can I see xgpio.h in the project explorer tab under src/LED_test_tut1C.c but not under the C/C++ projects tab? How can I fix the xgpio.h: no such file or Directory in the SDK? Thank you for your attention. I apologize for the wordy post and welcome anyone who can shed light on any of these questions.
  2. Hi, I've recently bought a Zybo z7010 board and had a go at running the example given here: The bitstream was generated successfully as expected but when I load the application on to the Zynq PS, I observe that: None of the LEDs are lit when the corresponding buttons are flicked. No message is displayed on the UART console when any of the switches are pressed. Can anyone provide some hints on how would I go about debugging the issue? Some info w.r.t my build environment: Bitstream generated using Vivado 2016.4 (Windows 10) Power source: wall (JP7 set to Wall) JP5 set to JTAG. Cable: simple USB cable which came with my smartphone. (When JP5 is set to QSPI, I can see u-boot booting a preloaded busybox image so the cable seems to be working fine.) Please advise. Regards, ahmrah01
  3. Hi All, I have the Cmod A7 35T, downloaded Vivado 2016.4, and I am on Windows 7 OS. When I go into the hardware manager I can connect to the localhost (connect_hw_server) but when I attempt open_hw_target I get the following error in the Tcl Console: Error: [Labtoolstcl 44-469] There is no hw_target. I've checked to make sure that my device drivers are up to date. I'm just using a standard micro-usb cable that I had in my house. According to Digilent, I don't need a special USB cable. Any help or advice you could provide would be extremely appreciated. Thanks! Edit: I've tried a few more things and want to provide some more information. I've uninstalled and reinstalled Vivado. When I reinstalled it I made sure that "Install Cable Drivers" was selected. I went into Device Manager and made sure my drivers were up to date. There was even an iteration where I uninstalled the drivers and manually installed them from the command line. When I plug in my Cmod A7, the out of box demo is already loaded on the board. I can click button 0 and the LEDs "count" as expected. I have Tera Term and I can click button 2. Tera Term then displays the Memory Test Application as expected.