All Forums  GQ Electronics Forums  2.GQ Geiger Muller Counter  GMC 320 serial command line not consistent

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Screensize: 640 x 480 800 x 600 1024 x 768 1280 x 1024 UserName: Password: Format Mode: Basic  Help  Prompt  Format: Font Andale Mono Arial Arial Black Book Antiqua Century Gothic Comic Sans MS Courier New Georgia Impact Lucida Console Script MT Bold Stencil Tahoma Times New Roman Trebuchet MS Verdana   Size 1 2 3 4 5 6   Color Black Red Yellow Pink Green Orange Purple Blue Beige Brown Teal Navy Maroon LimeGreen Message: * HTML is OFF * Forum Code is ON Smilies [quote][i]Originally posted by toplard[/i] [br]Dear All, My GQ GMC320+v4.25 is working perfectly with GQ Data Logger, so the USB serial link must be wokring fine. I want to use rrdtool to poll it periodically write to an RRD and graph it on a web server. But... when I use the commands in the readme I get the following results which I cannot fathom. It works for some commands but not others - some respond, others not, others respond with garbage, so it makes no sense. Setup is RPi, Fedora 25 Server armv7, 115200 8N1. I get the same results under windows 10 using Putty. See link for screen shot: https://photos.app.goo.gl/OiW5tMoMfBsDmLfx1 <GETVER>> OK <HEARTBEAT1>> OK <HEARTBEAT0>> OK <POWEROFF>> OK <FACTORYRESET>> OK <REBOOT>> OK <POWERON>> OK Heartbeat returns garbage <GETCPM>> <GETVOLT>> returns a * <SPIR[A2][A1][A0][L1][L0]>> returns garbage <GETCFG>> returns garbage <ECFG>> <WCFG[A0][D0]>> <key[D0]>> <GETSERIAL>> returns garbage <CFGUPDATE>> <SETDATEYY[D0]>> <SETDATEMM[D0]>> <SETTIMEHH[D0]>> <SETTIMEMM[D0]>> <SETTIMESS[D0]>> <SETDATETIME[YYMMDDHHMMSS]>> <GETDATETIME>> <GETTEMP>> <GETGYRO>> returns garbage * blanks = no response Thoughts anyone? [/quote]    Insert an Image File Check here to include your profile signature.