We will use environment variables PULSE_SOURCE and PULSE_SINK when starting Fldigi so that it'll use the Fe-Pi audio interface instead of NULL/built-in-audio-card. The changes to this file will set up the Fe-Pi left and right channels and tell pulseaudio to use the NULL audio source (no input audio) and the Pi's built-in sound card for the audio sink (output) by default. This is ONLY needed when using raspbian-kernel 1.20200512-2 or later. These changes break the Fldigi alerts and TX/RX monitor features.įortunately, the fix is simple: Append this text to the end of the line in /boot/cmdline.txt and reboot. The release of Rasbian Buster stable kernel 4.19.118-v7+ (Raspbian package raspberrypi-kernel/testing,now 1.20200512-2 armhf) introduced some changes in how the sound interfaces are handled. NOTE: If you are using the Hampi image, the majority of the following setup is already done for you. Adjust as necessary if this is not the case. This procedure assumes the operating user is pi and pi's home directory is $HOME and that user pi has sudo privileges (the default). Familiarity with the Pi's Terminal application, basic LINUX commands and the use of sudo.OPTIONAL: Speakers attached to Pi's built-in audio jack if you want to monitor the radio's TX and/or RX on the Pi's speakers.This procedure has not been tested on other distributions, and some instructions are OS-specific. WB7FHC Budd Churchward's excellent DigiLink (REV C or later) or Nexus DR-X board, or equivalent GPIO controlled PTT.I have not tested with a model 4B, but it should work. This is a variation of the Split Channels documentation for DRAWS/UDRC by mcdermjĪt NW Digital Radio, expanded, adapted and modified for use with the Nexus DR-X/DigiLink and Fe-Pi audio. This Blog is mainly dedicated to Amateur Radio (Ham radio) and contains external articles and personal esperiences.HOWTO Use pulseaudio with a Fe-Pi Stereo Sound Card and Fldigi/Direwolf IT System Engineer, recently started having fun with morse code and Raspberry Pi Licensed Amateur Radio operator in 1996 as IW5EDI, active member of ARI Firenze and ARRLĬlass 1970, married with two childrens, love experimenting and antenna home-brewing. On the Raspberry you need to configure the connection with the USB to Serial cable connected to the RS-232 port of the TS-590S. Basically FLRG acts as a gateway to your radio. On the MAC you need to reconfigure the programs, in order to use FLRIG as Radio. FLDIGI for common digital modes and WSJT-X for weak signals digital modes. I’m using RUMLOG by DL2RUM as main logging program both as main logging and for contest logging as well. Additionally remote connection from the internet requires a PC always turned on or at least the possibilty to power on with wake-on-lanĪn alternative solution is to run the FLRIG on the iMac, and connect the applications to the local loopback 127.0.0.1. This allows me to control the Kenwood TS-590S from the iMac simultaneously with several applications, including RUMLOG, FLDIGI, WSJT-X.Ĭould not control simultaneously my transceiver directly from two or more applications. I’ve recently introduced a Raspberry PI 4 as main remote RTX controller for my Kenwood TS-590s.
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