<div dir="ltr"><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small">> <span style="font-size:12.8px;font-family:arial,sans-serif">Have you tried running PiCW without the WSPR board connected?</span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif">> </span><span style="font-size:12.8px;font-family:arial,sans-serif">HA7DCD</span></div><span style="font-size:12.8px"><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small;display:inline">> </div>Zoltan</span><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif"><br></span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif">It did not occur to me until you suggested it.</span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif">I attached a wire to GPIO04 (GPIO_GCLK) Pin 7, and ran PiCW.</span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif"><br></span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif">I got the same results -- the first few characters were sent, then nothing.</span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif"><br></span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif">I then broke up my test message, so I could call PiCW with one latter at a time, with a sleep 1 between calls.</span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif">Many of the letters got through, but perhaps a quarter of them were silent.</span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif"><br></span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif">These test seem to rule out problems with the card itself, and seem also to rule out problems with the PiCW program.</span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif"><br></span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif">Suspecting the NTP corrections might be short-circuiting some code, I tried PiCW with the -n option, which is supposed to</span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif">turn off NTP self-calibration. The program returned an error message, saying that there was no -n option.</span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif"><br></span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif"><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"> root@wsprpi:/home/pi/PiCW# PiCW -n -w 20 -f 14097000</div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"> Detected Raspberry Pi version 2/3</div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"> PiCW: invalid option -- 'n'</div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"> root@wsprpi:/home/pi/PiCW# </div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><br></div></span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif">I found the problem in the code (the call to getopt_long did not have an 'n' in the character string) and fixed that bug,</span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif">but using the -n option did not fix my original problem.</span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif"><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"> root@wsprpi:/home/pi/PiCW# PiCW -n -w 20 -f 14097000 "AB6NY TESTING MY NEW RASPERRY PI CW TRANSMITTER ON 14.097 MHZ"</div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"> Detected Raspberry Pi version 2/3</div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"> PiCW parsed command line options:</div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"> TX frequency: 14.097000 MHz</div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"> WPM: 20</div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"> Message to be sent:</div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"> "AB6NY TESTING MY NEW RASPERRY PI CW TRANSMITTER ON 14.097 MHZ"</div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"> AB6NY TESTING MY NEW RASPERRY PI CW TRANSMITTER ON 14.097 MHZ</div><div><br></div></span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif"><br></span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif">Then I tried "dit mode" where the -d option is supposed to send an endless string of dits.</span></div><div class="gmail_default"><span style="font-size:12.8px"> PiCW -d -w 20 -f 14097000</span><br></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif">I was encouraged when I heard a good 20 seconds or so of dits, but then it went silent again.</span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif"><br></span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif">Then I tried the test-tone option.</span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif"><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"> root@wsprpi:/home/pi/PiCW# PiCW -t -f 14097000</div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"> Detected Raspberry Pi version 2/3</div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"> PiCW parsed command line options:</div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"> TX frequency: 14.097000 MHz</div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"> NTP will be used to periodically calibrate the transmission frequency</div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"> Will transmit continuous tone on requested frequency. CTRL-C to exit.</div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"> Exiting with error; caught signal: 2</div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"> Exiting with error; caught signal: 11</div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"> ^Croot@wsprpi:/home/pi/PiCW# </div><div><br></div></span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif">Whether I use the Raspberry Pi 3 Model B+ or the new Raspberry Pi 3 Model B v1.2, I get similar</span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif">results. The timing of the length of the transmissions seem to be random. One time the -t option</span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif">emitted a tone for over 10 seconds. The very next time I tried it the tone lasted only 4 seconds. The</span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif">third time I got no tone at all. The fourth time the tone lasted 7 seconds.</span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif"><br></span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif">All of these last tests were done without the card in place, just with a 3 foot wire antenna on pin 7.</span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif"><br></span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif">Has anyone tested PiCW or WsprryPi on the latest Raspian NOOBS?</span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif"><br></span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif">I've tried it with WiFi turned off -- same result.</span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif"><br></span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif">Could the Pi be trying to use the clock for sounds at random times?</span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif">I am not hearing any sounds, but I don't know how to ensure that they don't happen.</span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif"><br></span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif"><br></span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif"><br></span></div><div class="gmail_default" style="font-family:"trebuchet ms",sans-serif;font-size:small"><span style="font-size:12.8px;font-family:arial,sans-serif"><br></span></div><div><div class="gmail_signature"><div>-----</div>Get a free science project every week! 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