From 041956c13760397b2f684dda68f1c31497b4a7b8 Mon Sep 17 00:00:00 2001
From: "Ricardo (XenGi) Band" <email@ricardo.band>
Date: Sat, 30 May 2026 19:26:30 +0200
Subject: [PATCH] improve flake

---
 flake.nix | 95 ++++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 91 insertions(+), 4 deletions(-)

diff --git a/flake.nix b/flake.nix
index 49db5f6..69bbba9 100644
--- a/flake.nix
+++ b/flake.nix
@@ -29,14 +29,101 @@
             "python3.13-ecdsa-0.19.1"
           ];
         };
+        autoSerialPort = pkgs.writeShellScriptBin "esp-port" ''
+          set -euo pipefail
+
+          # Try common ESP USB serial patterns
+          # TODO: reduce to Waveshare ESP32-S3 detection
+          PORT=$(
+            for p in /dev/serial/by-id/*; do
+              case "$p" in
+                *CP210*|*ch340*|*USB*|*ESP*) echo "$p"; break ;;
+              esac
+            done
+          )
+
+          if [ -z "$PORT" ]; then
+            echo "No ESP serial device found in /dev/serial/by-id"
+            echo "Fallback: listing /dev/ttyUSB* /dev/ttyACM*"
+            ls /dev/ttyUSB* /dev/ttyACM* 2>/dev/null || true
+            exit 1
+          fi
+
+          echo "$PORT"
+        '';
+        esp-idf = pkgs.esp-idf-full.override {
+          rev = "v6.0.1";
+          sha256 = "sha256-4KJa686qc+u7XkF/GS2o53l1SpwP2EmdqAn/qmlL1yU=";
+        };
       in
       {
+        apps = {
+          menuconfig = {
+            type = "app";
+            program = "${pkgs.writeShellScriptBin "idf-menuconfig" ''
+              ${esp-idf}/tools/idf.py menuconfig
+            ''}/bin/idf-menuconfig";
+          };
+          build = {
+            type = "app";
+            program = "${pkgs.writeShellScriptBin "idf-build" ''
+              ${esp-idf}/tools/idf.py build
+            ''}/bin/idf-build";
+          };
+          flash = {
+            type = "app";
+            program = "${pkgs.writeShellScriptBin "idf-flash" ''
+              set -euo pipefail
+
+              PORT=$(${autoSerialPort}/bin/esp-port)
+              echo "Flashing on: $PORT"
+
+              ${esp-idf}/tools/idf.py -p "$PORT" flash
+            ''}/bin/idf-flash";
+          };
+          monitor = {
+            type = "app";
+            program = "${pkgs.writeShellScriptBin "idf-monitor" ''
+              set -euo pipefail
+
+              PORT=$(${autoSerialPort}/bin/esp-port)
+              echo "Monitoring: $PORT"
+
+              ${esp-idf}/tools/idf.py -p "$PORT" monitor
+            ''}/bin/idf-monitor";
+          };
+          clean = {
+            type = "app";
+            program = "${pkgs.writeShellScriptBin "idf-clean" ''
+              ${esp-idf}/tools/idf.py clean
+            ''}/bin/idf-clean";
+          };
+          full = {
+            type = "app";
+            program = "${pkgs.writeShellScriptBin "idf-full" ''
+              set -euo pipefail
+
+              PORT=$(${autoSerialPort}/bin/esp-port)
+
+              echo "Building..."
+              ${esp-idf}/tools/idf.py build
+              echo "Flashing on $PORT..."
+              ${esp-idf}/tools/idf.py -p "$PORT" flash
+              echo "Starting monitor..."
+              ${esp-idf}/tools/idf.py -p "$PORT" monitor
+            ''}/bin/idf-full";
+          };
+        };
         devShells.default = pkgs.mkShell {
           buildInputs = with pkgs; [
-            (esp-idf-full.override {
-              rev = "v6.0.1";
-              sha256 = "sha256-4KJa686qc+u7XkF/GS2o53l1SpwP2EmdqAn/qmlL1yU=";
-            })
+            esp-idf
+            git
+            minicom
+            usbutils
+            gawk
+            coreutils
+            cmake
+            ninja
           ];
         };
       }