From a1a8a10223200cd260fa57ac9359764d03fd11e5 Mon Sep 17 00:00:00 2001
From: robert jakub <rj@project2.pl>
Date: Fri, 1 Nov 2024 06:30:33 +0100
Subject: [PATCH] uconsole-4g-cm4 script

---
 uconsole/module-4g.nix | 57 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 uconsole/module-4g.nix

diff --git a/uconsole/module-4g.nix b/uconsole/module-4g.nix
new file mode 100644
index 0000000..037d589
--- /dev/null
+++ b/uconsole/module-4g.nix
@@ -0,0 +1,57 @@
+{
+  pkgs,
+  lib,
+  ...
+}: let
+  inherit (lib) mkDefault;
+  rpi-utils = pkgs.callPackage ../raspberry-pi/packages/rpi-utils {};
+  uconsole-4g-cm4 = pkgs.writeShellScriptBin "uconsole-4g-cm4" ''
+    function tip {
+      echo "use mmcli -L to see 4G modem or not"
+    }
+
+    function enable4g {
+      echo "Power on 4G module on uConsole cm4"
+      ${rpi-utils}/bin/pinctrl set 24 op dh
+      ${rpi-utils}/bin/pinctrl set 15 op dh
+      ${pkgs.coreutils}/bin/sleep 5
+      ${rpi-utils}/bin/pinctrl set 15 dl
+      echo "waiting..."
+      ${pkgs.coreutils}/bin/sleep 13
+      echo "done"
+    }
+
+    function disable4g {
+      echo "Power off 4G module"
+      ${rpi-utils}/bin/pinctrl set 24 op dl
+      ${rpi-utils}/bin/pinctrl set 24 dh
+      ${pkgs.coreutils}/bin/sleep 3
+      ${rpi-utils}/bin/pinctrl set 24 dl
+      ${pkgs.coreutils}/bin/sleep 20
+      echo "Done"
+    }
+
+    if [ "$#" -ne 1 ] ; then
+      echo "$0: enable/disable"
+      exit 3
+    fi
+
+    if [ $1 == "enable" ]; then
+      enable4g;
+      tip;
+    fi
+
+    if [ $1 == "disable" ]; then
+      disable4g
+      tip;
+    fi
+  '';
+in {
+  config = {
+    environment.systemPackages = [
+      rpi-utils
+      uconsole-4g-cm4
+      # pkgs.modemmanager
+    ];
+  };
+}