add embedded development support for daisy hardware

Author: brittonr

inventory/core/machines.nix

@@ -154,6 +154,7 @@ _: {
         "llm-client"
         "password-manager"
         "cross-compile"
+        "udev-rules"
       ];
       deploy = {
         targetHost = "[email protected]";

inventory/core/roster.nix

@@ -306,6 +306,7 @@ let
               "hyprland"
               "creative"
               "social"
+              "embedded"
             ];
           };
         };

inventory/home-profiles/brittonr/dev/embedded.nix

@@ -0,0 +1,14 @@
+{ pkgs, ... }:
+{
+  home.packages = with pkgs; [
+    # Embedded development tools for Daisy and other ARM Cortex-M devices
+    probe-rs
+    cargo-binutils
+    flip-link
+    libusb1
+
+    # USB debugging and flashing tools
+    usbutils # provides lsusb
+    dfu-util # for DFU mode flashing
+  ];
+}

inventory/tags/udev-rules.nix

@@ -0,0 +1,33 @@
+_: {
+  # Add udev rules for embedded hardware and debug probes
+  services.udev.extraRules = ''
+    # STLink V1
+    ATTRS{idVendor}=="0483", ATTRS{idProduct}=="3744", MODE="0666", GROUP="plugdev", TAG+="uaccess"
+
+    # STLink V2
+    ATTRS{idVendor}=="0483", ATTRS{idProduct}=="3748", MODE="0666", GROUP="plugdev", TAG+="uaccess"
+
+    # STLink V2-1
+    ATTRS{idVendor}=="0483", ATTRS{idProduct}=="374b", MODE="0666", GROUP="plugdev", TAG+="uaccess"
+    ATTRS{idVendor}=="0483", ATTRS{idProduct}=="3752", MODE="0666", GROUP="plugdev", TAG+="uaccess"
+
+    # STLink V3
+    ATTRS{idVendor}=="0483", ATTRS{idProduct}=="374d", MODE="0666", GROUP="plugdev", TAG+="uaccess"
+    ATTRS{idVendor}=="0483", ATTRS{idProduct}=="374e", MODE="0666", GROUP="plugdev", TAG+="uaccess"
+    ATTRS{idVendor}=="0483", ATTRS{idProduct}=="374f", MODE="0666", GROUP="plugdev", TAG+="uaccess"
+    ATTRS{idVendor}=="0483", ATTRS{idProduct}=="3753", MODE="0666", GROUP="plugdev", TAG+="uaccess"
+    ATTRS{idVendor}=="0483", ATTRS{idProduct}=="3754", MODE="0666", GROUP="plugdev", TAG+="uaccess"
+
+    # SEGGER J-Link
+    ATTRS{idVendor}=="1366", MODE="0666", GROUP="plugdev", TAG+="uaccess"
+
+    # CMSIS-DAP compatible adapters
+    ATTRS{product}=="*CMSIS-DAP*", MODE="0666", GROUP="plugdev", TAG+="uaccess"
+
+    # Daisy Seed DFU mode
+    ATTRS{idVendor}=="0483", ATTRS{idProduct}=="df11", MODE="0666", GROUP="plugdev", TAG+="uaccess"
+  '';
+
+  # Ensure plugdev group exists
+  users.groups.plugdev = { };
+}