Hello
I 'm an old french Applied Physics Teacher and I try to use basic GRC for my electronics students (2 first University years in a technical Department) as a learning tool since 2016 I use GRC under Pentoo Linux if I need to run HackRFone/osmocom and/or DBTVstick/RTLSDR and Windows7 if not because GRC under W7 doesn't run the source/sink I'm not a computer expert evenif I practise a little Arduino and python ( I was rised with Fortran/Pascal math computing a long time ago) I choosed GRC as a free alternative to Labview too expensive and too much to handle for DSP I tried to design a IIR Filter like an FIR with / delay / add/ sub /multiply const/ blocks looped : failure I tried to run the IIR Filter block under W7 : failure Error 0: Block - blocks_add_xx_1 - Add(blocks_add_xx): Source - out(0): Port is not connected. Error 1: Block - blocks_add_xx_1 - Add(blocks_add_xx): Sink - in0(0): Port is not connected. Error 2: Block - blocks_add_xx_1 - Add(blocks_add_xx): Sink - in1(1): Port is not connected. Error 3: Block - blocks_add_xx_1 - Add(blocks_add_xx): Sink - in2(2): Port is not connected. Error 4: Block - blocks_add_xx_1 - Add(blocks_add_xx): Sink - in3(3): Port is not connected. I tried under W7 a python program GNUR Radio Embedded Python Example 3 - IIR Filter Prepared by Dr. Aaron Scher [email protected] Oregon Institute of Technology Failure The python block ask me for an editor Block paths: C:\Users\user\.grc_gnuradio C:\Program Files\GNURadio-3.7\share\gnuradio\grc\blocks Loading: "C:\Users\user\Desktop\RII_4_4.grc" >>> Done >>> Unable to load the default editor. Please choose an editor. >>> No editor selected. >>> Unable to load the default editor. Please choose an editor. >>> Error opening an external editor. Please select a different editor. >>> Error opening an external editor. Please select a different editor. >>> Error opening an external editor. Please select a different editor. >>> Error opening an external editor. Please select a different editor. >>> Error opening an external editor. Please select a different editor. >>> Error opening an external editor. Please select a different editor. >>> Error opening an external editor. Please select a different editor. >>> Error opening an external editor. Please select a different editor. >>> Error opening an external editor. Please select a different editor. >>> Error opening an external editor. Please select a different editor. >>> Error opening an external editor. Please select a different editor. >>> Error opening an external editor. Please select a different editor. >>> Error opening an external editor. Please select a different editor. >>> Error opening an external editor. Please select a different editor. >>> Error opening an external editor. Please select a different editor. >>> Error opening an external editor. Please select a different editor. >>> Error opening an external editor. Please select a different editor. >>> Error opening an external editor. Please select a different editor. >>> Error opening an external editor. Please select a different editor. I tried to open Notepad and then the block is in an endless loop It doen't ask for an other different editor evenif it's always a failure ! Is there a simple working IIR Filter with taps ? Thank you for your insights [email protected] --- L'absence de virus dans ce courrier électronique a été vérifiée par le logiciel antivirus Avast. https://www.avast.com/antivirus
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