This repository has no description
rtl-sdr: remove tetra testing stuff
author
lassulus
date
(Jan 11, 2026, 2:50 PM CET)
commit
fba6ccb4
fba6ccb4c2829a93299d0958640a9f93e225f807
parent
8c3f933b
8c3f933b20c500d04f2cad454e1fef40e63ca217
+122
-4
-4
2configs/rtl-sdr.nix
-4
2configs/rtl-sdr.nix
···
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# SDR and TETRA tools
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environment.systemPackages = [
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pkgs.rtl-sdr-blog # V4 compatible drivers and tools
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pkgs.gqrx # SDR receiver with spectrum analyzer
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pkgs.sox # Audio processing for recordings
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self.packages.${pkgs.system}.tetra-kit
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self.packages.${pkgs.system}.tetra-receiver
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];
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}
+122
machines/xerxes/gpd-win-mini-2025-pipewire.nix
+122
machines/xerxes/gpd-win-mini-2025-pipewire.nix
···
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# GPD Win Mini 2025 PipeWire EQ configuration
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# Based on https://github.com/aarron-lee/gpd-win-tricks/tree/main/win_mini_equalizer
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# Credit: @BrotherChenwk from the GPD Discord
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{ pkgs, lib, config, ... }:
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let
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# The ALSA output device - may need adjustment based on PCI enumeration
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# Use `pactl list sinks short` or `pw-cli list-objects | grep alsa_output` to find the correct device
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alsaDevice = "alsa_output.pci-0000_63_00.6.analog-stereo";
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pipewireConfig = pkgs.writeTextDir "share/pipewire/pipewire.conf.d/gpd-win-mini-2025.conf" ''
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# GPD Win Mini 2025 speaker EQ
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# Compensates for the small speakers' frequency response deficiencies
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context.modules = [
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{ name = libpipewire-module-filter-chain
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args = {
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node.description = "GPD Win Mini EQ"
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media.name = "GPD Win Mini EQ"
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filter.graph = {
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nodes = [
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{
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type = builtin
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name = eq_band_1
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label = bq_lowshelf
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control = { "Freq" = 32.0 "Q" = 1.41 "Gain" = -10.0 }
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}
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{
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type = builtin
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name = eq_band_2
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label = bq_peaking
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control = { "Freq" = 64.0 "Q" = 1.41 "Gain" = -10.0 }
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}
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{
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type = builtin
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name = eq_band_3
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label = bq_peaking
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control = { "Freq" = 125.0 "Q" = 1.41 "Gain" = 6.0 }
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}
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{
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type = builtin
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name = eq_band_4
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label = bq_peaking
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control = { "Freq" = 250.0 "Q" = 1.41 "Gain" = -3.0 }
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}
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{
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type = builtin
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name = eq_band_5
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label = bq_peaking
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control = { "Freq" = 500.0 "Q" = 1.41 "Gain" = 0.0 }
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}
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{
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type = builtin
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name = eq_band_6
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label = bq_peaking
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control = { "Freq" = 1000.0 "Q" = 1.41 "Gain" = -1.0 }
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}
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{
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type = builtin
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name = eq_band_7
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label = bq_peaking
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control = { "Freq" = 2000.0 "Q" = 1.41 "Gain" = -1.0 }
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}
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{
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type = builtin
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name = eq_band_8
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label = bq_peaking
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control = { "Freq" = 4000.0 "Q" = 1.41 "Gain" = 0.0 }
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}
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{
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type = builtin
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name = eq_band_9
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label = bq_peaking
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control = { "Freq" = 8000.0 "Q" = 1.41 "Gain" = 2.0 }
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}
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{
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type = builtin
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name = eq_band_10
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label = bq_peaking
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control = { "Freq" = 16000.0 "Q" = 2.0 "Gain" = 6.0 }
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}
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{
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type = builtin
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name = eq_band_11
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label = bq_highshelf
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control = { "Freq" = 0.0 "Q" = 1.0 "Gain" = 15.0 }
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}
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]
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links = [
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{ output = "eq_band_1:Out" input = "eq_band_2:In" }
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{ output = "eq_band_2:Out" input = "eq_band_3:In" }
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{ output = "eq_band_3:Out" input = "eq_band_4:In" }
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{ output = "eq_band_4:Out" input = "eq_band_5:In" }
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{ output = "eq_band_5:Out" input = "eq_band_6:In" }
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{ output = "eq_band_6:Out" input = "eq_band_7:In" }
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{ output = "eq_band_7:Out" input = "eq_band_8:In" }
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{ output = "eq_band_8:Out" input = "eq_band_9:In" }
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{ output = "eq_band_9:Out" input = "eq_band_10:In" }
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{ output = "eq_band_10:Out" input = "eq_band_11:In" }
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]
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}
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audio.channels = 2
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audio.position = [ FL FR ]
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capture.props = {
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node.name = "GPD Win Mini EQ"
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media.class = Audio/Sink
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priority.driver = 1009
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priority.session = 1009
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}
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playback.props = {
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node.name = "GPD Win Mini EQ Fixed"
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node.passive = true
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node.target = "${alsaDevice}"
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}
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}
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}
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]
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'';
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in
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{
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services.pipewire.configPackages = [ pipewireConfig ];
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}