initial

.clangd

@@ -0,0 +1,2 @@
+CompileFlags:
+    Remove: [-f*, -m*]

.devcontainer/Dockerfile

@@ -0,0 +1,13 @@
+ARG DOCKER_TAG=latest
+FROM espressif/idf:${DOCKER_TAG}
+
+ENV LC_ALL=C.UTF-8
+ENV LANG=C.UTF-8
+
+RUN apt-get update -y && apt-get install udev -y
+
+RUN echo "source /opt/esp/idf/export.sh > /dev/null 2>&1" >> ~/.bashrc
+
+ENTRYPOINT [ "/opt/esp/entrypoint.sh" ]
+
+CMD ["/bin/bash", "-c"]

.devcontainer/devcontainer.json

@@ -0,0 +1,21 @@
+{
+	"name": "ESP-IDF QEMU",
+	"build": {
+		"dockerfile": "Dockerfile"
+	},
+	"customizations": {
+		"vscode": {
+			"settings": {
+				"terminal.integrated.defaultProfile.linux": "bash",
+				"idf.espIdfPath": "/opt/esp/idf",
+				"idf.toolsPath": "/opt/esp",
+				"idf.gitPath": "/usr/bin/git"
+			},
+			"extensions": [
+				"espressif.esp-idf-extension",
+				"espressif.esp-idf-web"
+			]
+		}
+	},
+	"runArgs": ["--privileged"]
+}

.gitignore

@@ -0,0 +1,5 @@
+build/
+# sdkconfig
+# sdkconfig.old
+
+managed_components/

.vscode/c_cpp_properties.json

@@ -0,0 +1,23 @@
+{
+  "configurations": [
+    {
+      "name": "ESP-IDF",
+      "compilerPath": "${config:idf.toolsPathWin}\\tools\\xtensa-esp-elf\\esp-14.2.0_20241119\\xtensa-esp-elf\\bin\\xtensa-esp32s3-elf-gcc.exe",
+      "compileCommands": "${config:idf.buildPath}/compile_commands.json",
+      "includePath": [
+        "${config:idf.espIdfPath}/components/**",
+        "${config:idf.espIdfPathWin}/components/**",
+        "${workspaceFolder}/**"
+      ],
+      "browse": {
+        "path": [
+          "${config:idf.espIdfPath}/components",
+          "${config:idf.espIdfPathWin}/components",
+          "${workspaceFolder}"
+        ],
+        "limitSymbolsToIncludedHeaders": true
+      }
+    }
+  ],
+  "version": 4
+}

.vscode/launch.json

@@ -0,0 +1,15 @@
+{
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "type": "gdbtarget",
+      "request": "attach",
+      "name": "Eclipse CDT GDB Adapter"
+    },
+    {
+      "type": "espidf",
+      "name": "Launch",
+      "request": "launch"
+    }
+  ]
+}

.vscode/settings.json

@@ -0,0 +1,36 @@
+{
+  "C_Cpp.intelliSenseEngine": "default",
+  "idf.espIdfPathWin": "C:\\Users\\mickl\\esp\\v5.5\\esp-idf",
+  "idf.pythonInstallPath": "C:\\Users\\mickl\\.espressif\\tools\\idf-python\\3.11.2\\python.exe",
+  "idf.openOcdConfigs": [
+    "board/esp32s3-builtin.cfg"
+  ],
+  "idf.portWin": "COM5",
+  "idf.toolsPathWin": "C:\\Users\\mickl\\.espressif",
+  "idf.customExtraVars": {
+    "IDF_TARGET": "esp32s3"
+  },
+  "clangd.path": "C:\\Users\\mickl\\.espressif\\tools\\esp-clang\\esp-19.1.2_20250312\\esp-clang\\bin\\clangd.exe",
+  "clangd.arguments": [
+    "--background-index",
+    "--query-driver=C:\\Users\\mickl\\.espressif\\tools\\xtensa-esp-elf\\esp-14.2.0_20241119\\xtensa-esp-elf\\bin\\xtensa-esp32s3-elf-gcc.exe",
+    "--compile-commands-dir=${workspaceFolder}\\build"
+  ],
+  "idf.flashType": "UART",
+  "files.associations": {
+    "array": "cpp",
+    "chrono": "cpp",
+    "deque": "cpp",
+    "list": "cpp",
+    "string": "cpp",
+    "unordered_map": "cpp",
+    "unordered_set": "cpp",
+    "vector": "cpp",
+    "string_view": "cpp",
+    "format": "cpp",
+    "initializer_list": "cpp",
+    "span": "cpp",
+    "text_encoding": "cpp",
+    "regex": "cpp"
+  }
+}

CMakeLists.txt

@@ -0,0 +1,11 @@
+# The following lines of boilerplate have to be in your project's
+# CMakeLists in this exact order for cmake to work correctly
+cmake_minimum_required(VERSION 3.5)
+add_definitions(
+-DARDUINO_USB_MODE
+-DARDUINO_USB_CDC_ON_BOOT
+)
+
+include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+
+project(onkart)

dependencies.lock

@@ -0,0 +1,483 @@
+dependencies:
+  bblanchon/arduinojson:
+    component_hash: b1c2f0b0bc26969af19809cee80b220fb882481d59cc75f8e79ebceecdc69f06
+    dependencies: []
+    source:
+      registry_url: https://components.espressif.com/
+      type: service
+    version: 7.4.2
+  chmorgan/esp-libhelix-mp3:
+    component_hash: cbb76089dc2c5749f7b470e2e70aedc44c9da519e04eb9a67d4c7ec275229e53
+    dependencies:
+    - name: idf
+      require: private
+      version: '>=4.1.0'
+    source:
+      registry_url: https://components.espressif.com
+      type: service
+    version: 1.0.3
+  esp32async/asynctcp:
+    component_hash: 4d7e7bea969db5b06067152117cabf51510c4193063bb61327e55c63484b156d
+    dependencies: []
+    source:
+      registry_url: https://components.espressif.com
+      type: service
+    version: 3.4.5
+  esp32async/espasyncwebserver:
+    component_hash: c503fbebd1cb620f2ecd9a35e4d598f946f24ef18a22a533b0661932200efb72
+    dependencies:
+    - name: bblanchon/arduinojson
+      registry_url: https://components.espressif.com
+      require: private
+      version: ^7.4.2
+    - name: esp32async/asynctcp
+      registry_url: https://components.espressif.com
+      require: private
+      version: ^3.4.5
+    - name: espressif/arduino-esp32
+      registry_url: https://components.espressif.com
+      require: private
+      version: ^3.1.1
+    source:
+      registry_url: https://components.espressif.com/
+      type: service
+    version: 3.7.10
+  espressif/arduino-esp32:
+    component_hash: 12ddb10a6cc6b5bc3c700334627f2a1a7a3736bfad9f63a8115199142104ef6d
+    dependencies:
+    - name: chmorgan/esp-libhelix-mp3
+      registry_url: https://components.espressif.com
+      require: private
+      version: 1.0.3
+    - name: espressif/cbor
+      registry_url: https://components.espressif.com
+      require: private
+      rules:
+      - if: target not in [esp32c2, esp32p4]
+      version: 0.6.0~1
+    - name: espressif/esp-dsp
+      registry_url: https://components.espressif.com
+      require: private
+      rules:
+      - if: target != esp32c2
+      version: ^1.3.4
+    - name: espressif/esp-modbus
+      registry_url: https://components.espressif.com
+      require: private
+      version: ^1.0.15
+    - name: espressif/esp-sr
+      registry_url: https://components.espressif.com
+      require: private
+      rules:
+      - if: target in [esp32s3]
+      version: ^1.4.2
+    - name: espressif/esp-zboss-lib
+      registry_url: https://components.espressif.com
+      require: private
+      rules:
+      - if: target not in [esp32c2, esp32p4]
+      version: ==1.6.4
+    - name: espressif/esp-zigbee-lib
+      registry_url: https://components.espressif.com
+      require: private
+      rules:
+      - if: target not in [esp32c2, esp32p4]
+      version: ==1.6.5
+    - name: espressif/esp_diag_data_store
+      registry_url: https://components.espressif.com
+      require: private
+      rules:
+      - if: target not in [esp32c2, esp32p4]
+      version: 1.0.2
+    - name: espressif/esp_diagnostics
+      registry_url: https://components.espressif.com
+      require: private
+      rules:
+      - if: target not in [esp32c2, esp32p4]
+      version: 1.2.1
+    - name: espressif/esp_hosted
+      registry_url: https://components.espressif.com
+      require: private
+      rules:
+      - if: target == esp32p4
+      version: ^2.0.12
+    - name: espressif/esp_insights
+      registry_url: https://components.espressif.com
+      require: private
+      rules:
+      - if: target not in [esp32c2, esp32p4]
+      version: 1.2.2
+    - name: espressif/esp_modem
+      registry_url: https://components.espressif.com
+      require: private
+      version: ^1.1.0
+    - name: espressif/esp_rainmaker
+      registry_url: https://components.espressif.com
+      require: private
+      rules:
+      - if: target not in [esp32c2, esp32p4]
+      version: 1.5.2
+    - name: espressif/esp_wifi_remote
+      registry_url: https://components.espressif.com
+      require: private
+      rules:
+      - if: target == esp32p4
+      version: ^0.13.0
+    - name: espressif/libsodium
+      registry_url: https://components.espressif.com
+      require: private
+      version: ^1.0.20~1
+    - name: espressif/mdns
+      registry_url: https://components.espressif.com
+      require: private
+      version: ^1.2.3
+    - name: espressif/network_provisioning
+      registry_url: https://components.espressif.com
+      require: private
+      rules:
+      - if: target != esp32c2
+      version: 1.0.2
+    - name: espressif/qrcode
+      registry_url: https://components.espressif.com
+      require: private
+      rules:
+      - if: target not in [esp32c2, esp32p4]
+      version: 0.1.0~2
+    - name: espressif/rmaker_common
+      registry_url: https://components.espressif.com
+      require: private
+      rules:
+      - if: target not in [esp32c2, esp32p4]
+      version: 1.4.6
+    - name: idf
+      require: private
+      version: '>=5.3,<5.6'
+    - name: joltwallet/littlefs
+      registry_url: https://components.espressif.com
+      require: private
+      version: ^1.10.2
+    source:
+      registry_url: https://components.espressif.com/
+      type: service
+    targets:
+    - esp32
+    - esp32s2
+    - esp32s3
+    - esp32c2
+    - esp32c3
+    - esp32c6
+    - esp32h2
+    - esp32p4
+    - esp32c5
+    version: 3.3.0~1
+  espressif/cbor:
+    component_hash: 440f4ee4504841cc9b4f3a8ef755776a612ac9dace355514c68b999868f990ff
+    dependencies:
+    - name: idf
+      require: private
+      version: '>=4.3'
+    source:
+      registry_url: https://components.espressif.com
+      type: service
+    version: 0.6.0~1
+  espressif/esp-dsp:
+    component_hash: 3e7bbd487f1357a1d4944d0c85966d049501ea281b8a4c7f93f7cfedd5b7f23d
+    dependencies:
+    - name: idf
+      require: private
+      version: '>=4.2'
+    source:
+      registry_url: https://components.espressif.com
+      type: service
+    version: 1.4.12
+  espressif/esp-modbus:
+    component_hash: 5d5e90b9e55721a8a194b301ad8102d4affb647f47b74cd413ff7d1ce2c1169c
+    dependencies:
+    - name: idf
+      require: private
+      version: '>=4.3'
+    source:
+      registry_url: https://components.espressif.com
+      type: service
+    version: 1.0.18
+  espressif/esp-serial-flasher:
+    component_hash: dcc42a16712a1a636509cf0bf90e14032d7f2141784b533613b267b6aa318d52
+    dependencies: []
+    source:
+      registry_url: https://components.espressif.com
+      type: service
+    version: 0.0.11
+  espressif/esp-sr:
+    component_hash: 9b41fd5ae5960c393bfd3559cd6e5fa2a95c0bf833915cebafe57fb8c4e4c396
+    dependencies:
+    - name: espressif/esp-dsp
+      registry_url: https://components.espressif.com
+      require: private
+      version: <=1.5.0
+    - name: idf
+      require: private
+      version: '>=5.0'
+    source:
+      registry_url: https://components.espressif.com
+      type: service
+    version: 1.9.5
+  espressif/esp-zboss-lib:
+    component_hash: 321883d142421f65009972408287441794250057668a11abbdfd8bec77c3309a
+    dependencies:
+    - name: idf
+      require: private
+      version: '>=5.0'
+    source:
+      registry_url: https://components.espressif.com
+      type: service
+    version: 1.6.4
+  espressif/esp-zigbee-lib:
+    component_hash: 947ea40aa95a89b9da238e941bd2950952e7cd422074d0c02d6896e2ff07bad5
+    dependencies:
+    - name: idf
+      require: private
+      version: '>=5.0'
+    source:
+      registry_url: https://components.espressif.com
+      type: service
+    version: 1.6.5
+  espressif/esp_diag_data_store:
+    component_hash: c1e5cf62f545d2b136db299f4df1b228b9840be5bc3410c9ad2d2a882b5c0d64
+    dependencies:
+    - name: idf
+      require: private
+      version: '>=4.1'
+    source:
+      registry_url: https://components.espressif.com
+      type: service
+    version: 1.0.2
+  espressif/esp_diagnostics:
+    component_hash: 5ea8e8da8217ed9ed778db3973139e726e17cd27ef5cf6429c787d19226c79f3
+    dependencies:
+    - name: idf
+      require: private
+      version: '>=4.1'
+    - name: espressif/rmaker_common
+      registry_url: https://components.espressif.com
+      require: private
+      version: ~1.4.0
+    source:
+      registry_url: https://components.espressif.com
+      type: service
+    version: 1.2.1
+  espressif/esp_insights:
+    component_hash: 4015c524b9955528f941268cf080174076b195800de910d061efc46113bc2e0c
+    dependencies:
+    - name: idf
+      require: private
+      version: '>=4.1'
+    - name: espressif/cbor
+      registry_url: https://components.espressif.com
+      require: private
+      rules:
+      - if: idf_version >=5.0
+      version: ~0.6
+    - name: espressif/esp_diag_data_store
+      registry_url: https://components.espressif.com
+      require: private
+      version: 1.0.2
+    - name: espressif/esp_diagnostics
+      registry_url: https://components.espressif.com
+      require: private
+      version: 1.2.1
+    - name: espressif/rmaker_common
+      registry_url: https://components.espressif.com
+      require: private
+      version: ~1.4.0
+    source:
+      registry_url: https://components.espressif.com
+      type: service
+    version: 1.2.2
+  espressif/esp_modem:
+    component_hash: b541c3f5765d3ba062c0d004b9ca6da6d0af908293421c2dbe046c537fb2a011
+    dependencies:
+    - name: idf
+      require: private
+      version: '>=4.1'
+    source:
+      registry_url: https://components.espressif.com
+      type: service
+    version: 1.4.0
+  espressif/esp_rainmaker:
+    component_hash: f6fe458fc7a0102ee2879f0247da4b41419e6c07de12031f66e5e9454d25baaa
+    dependencies:
+    - name: espressif/esp_rcp_update
+      registry_url: https://components.espressif.com
+      require: private
+      rules:
+      - if: idf_version >= 5.1
+      version: ~1.2.0
+    - name: espressif/esp_schedule
+      registry_url: https://components.espressif.com
+      require: private
+      version: ~1.2.0
+    - name: espressif/esp_secure_cert_mgr
+      registry_url: https://components.espressif.com
+      require: private
+      rules:
+      - if: idf_version >=4.3
+      version: ^2.2.1
+    - name: espressif/json_generator
+      registry_url: https://components.espressif.com
+      require: private
+      version: ~1.1.1
+    - name: espressif/json_parser
+      registry_url: https://components.espressif.com
+      require: private
+      version: ~1.0.3
+    - name: espressif/mdns
+      registry_url: https://components.espressif.com
+      require: private
+      rules:
+      - if: idf_version >=5.0
+      version: ^1.2.0
+    - name: espressif/network_provisioning
+      registry_url: https://components.espressif.com
+      require: private
+      rules:
+      - if: idf_version >= 5.1
+      version: ~1.0.0
+    - name: espressif/rmaker_common
+      registry_url: https://components.espressif.com
+      require: private
+      version: ~1.4.6
+    source:
+      registry_url: https://components.espressif.com
+      type: service
+    version: 1.5.2
+  espressif/esp_rcp_update:
+    component_hash: c10afbd54a17f27eed880e61262b161656e6d36ad63376c307f9273e99d0abcd
+    dependencies:
+    - name: espressif/esp-serial-flasher
+      registry_url: https://components.espressif.com
+      require: private
+      version: ~0.0.0
+    - name: idf
+      require: private
+      version: '>=5.0'
+    source:
+      registry_url: https://components.espressif.com
+      type: service
+    version: 1.2.0
+  espressif/esp_schedule:
+    component_hash: e202a9c688f7f1ab601efb91d682e4bcfaebc508dcceee1a1e0a0d2d1ca75a26
+    dependencies:
+    - name: espressif/rmaker_common
+      registry_url: https://components.espressif.com
+      require: private
+      version: ~1.4.2
+    source:
+      registry_url: https://components.espressif.com
+      type: service
+    version: 1.2.0
+  espressif/esp_secure_cert_mgr:
+    component_hash: 95b490db6944b2a6b32d7af172bb52e5045fe1d37ac8e00f9edfdd0535d64f72
+    dependencies:
+    - name: idf
+      require: private
+      version: '>=4.3'
+    source:
+      registry_url: https://components.espressif.com
+      type: service
+    version: 2.5.1
+  espressif/jsmn:
+    component_hash: d80350c41bbaa827c98a25b6072df00884e72f54885996fab4a4f0aebce6b6c3
+    dependencies:
+    - name: idf
+      require: private
+      version: '>=4.3'
+    source:
+      registry_url: https://components.espressif.com
+      type: service
+    version: 1.1.0
+  espressif/json_generator:
+    component_hash: 45033e1c199b13f1c8c1b544fb7d4e2df6a8e3071ebdcb1b22582b61a7974ff2
+    dependencies: []
+    source:
+      registry_url: https://components.espressif.com
+      type: service
+    version: 1.1.2
+  espressif/json_parser:
+    component_hash: d74b81729ad06ec11ff5eb5b1b0d7df1d00e6027fc11471f4b139c70dcf1b1e4
+    dependencies:
+    - name: espressif/jsmn
+      registry_url: https://components.espressif.com
+      require: private
+      rules:
+      - if: idf_version >=5.0
+      version: ~1.1
+    source:
+      registry_url: https://components.espressif.com
+      type: service
+    version: 1.0.3
+  espressif/libsodium:
+    component_hash: 25b968723c584a2742ca36cebe5a7ef049c6767e059f7b1e1eec69946019025d
+    dependencies:
+    - name: idf
+      require: private
+      version: '>=4.2'
+    source:
+      registry_url: https://components.espressif.com
+      type: service
+    version: 1.0.20~2
+  espressif/mdns:
+    component_hash: 3ec0af5f6bce310512e90f482388d21cc7c0e99668172d2f895356165fc6f7c5
+    dependencies:
+    - name: idf
+      require: private
+      version: '>=5.0'
+    source:
+      registry_url: https://components.espressif.com
+      type: service
+    version: 1.8.2
+  espressif/network_provisioning:
+    component_hash: ef2e10182fd1861e68b821491916327c25416ca7ae70e5a6e43313dbc71fe993
+    dependencies:
+    - name: idf
+      require: private
+      version: '>=5.1'
+    source:
+      registry_url: https://components.espressif.com
+      type: service
+    version: 1.0.2
+  espressif/qrcode:
+    component_hash: 3b493771bc5d6ad30cbf87c25bf784aada8a08c941504355b55d6b75518ed7bc
+    dependencies: []
+    source:
+      registry_url: https://components.espressif.com
+      type: service
+    version: 0.1.0~2
+  espressif/rmaker_common:
+    component_hash: a3a1df881278d0351fc850b77792fe8a196ddd6dcacbea203d606329cc6a0239
+    dependencies: []
+    source:
+      registry_url: https://components.espressif.com
+      type: service
+    version: 1.4.6
+  idf:
+    source:
+      type: idf
+    version: 5.5.0
+  joltwallet/littlefs:
+    component_hash: 8e12955f47e27e6070b76715a96d6c75fc2b44f069e8c33679332d9bdd3120c4
+    dependencies:
+    - name: idf
+      require: private
+      version: '>=5.0'
+    source:
+      registry_url: https://components.espressif.com
+      type: service
+    version: 1.20.1
+direct_dependencies:
+- bblanchon/arduinojson
+- esp32async/espasyncwebserver
+- espressif/arduino-esp32
+- idf
+manifest_hash: 720a2850c92f575db4f5eada42ebbed6314abacc2d6bd4f1d9107b6e0ec03056
+target: esp32s3
+version: 2.0.0

main/CMakeLists.txt

@@ -0,0 +1,4 @@
+idf_component_register(
+    SRCS "main.cpp" "Config.cpp" "kartSender.cpp" "Detector.cpp"
+    INCLUDE_DIRS ""
+)

main/Config.cpp

@@ -0,0 +1,63 @@
+#include "Config.hpp"
+
+#include <math.h>
+
+#include "FS.h"
+#include "SPIFFS.h"
+Config config;
+
+void Config::Init() {
+    SPIFFS.begin(true);
+    File f = SPIFFS.open("/config.json", FILE_READ);
+    if (!f) {
+        SetDefaults();
+        return;
+    }
+    DeserializationError err = deserializeJson(conf_json, f);
+    if (err == DeserializationError::Ok) {
+        Load();
+    } else {
+        SetDefaults();
+    }
+    f.close();
+}
+
+void Config::SetDefaults() {
+    Serial.println("Setting default config");
+    // Set default MAC address
+    trackside_mac[0] = 0x34;
+    trackside_mac[1] = 0x85;
+    trackside_mac[2] = 0x18;
+    trackside_mac[3] = 0xa9;
+    trackside_mac[4] = 0x3d;
+    trackside_mac[5] = 0xfc;
+
+    // Set default kart ID
+    kart_id = esp_random();
+
+    // Save the defaults to SPIFFS
+    Save();
+}
+
+void Config::Save() {
+    conf_json.to<JsonObject>();
+    JsonArray arr = conf_json["mac"].to<JsonArray>();
+    for (int i = 0; i < 6; i++) {
+        arr.add<int>(trackside_mac[i]);
+    }
+    conf_json["kart_id"] = kart_id;
+    String out;
+    serializeJson(conf_json, out);
+    File f = SPIFFS.open("/config.json", FILE_WRITE, true);
+    f.print(out);
+    f.close();
+    Serial.printf("Config saved: %s\n", out.c_str());
+}
+
+void Config::Load() {
+    JsonArray arr = conf_json["mac"];
+    for (int i = 0; i < 6; i++) {
+        trackside_mac[i] = arr[i];
+    }
+    kart_id = conf_json["kart_id"];
+}

main/Config.hpp

@@ -0,0 +1,22 @@
+#ifndef CONFIG_HPP
+#define CONFIG_HPP
+
+#include <Arduino.h>
+#include <ArduinoJson.h>
+
+class Config {
+   public:
+    void Init();
+    void Save();
+
+    uint8_t trackside_mac[6] = {0x34, 0x85, 0x18, 0xa9, 0x3d, 0xfc};
+    uint32_t kart_id = -1;
+
+   private:
+    void Load();
+    void SetDefaults();
+    JsonDocument conf_json;
+};
+
+extern Config config;
+#endif

main/Detector.cpp

@@ -0,0 +1,37 @@
+#include "Detector.hpp"
+
+#include "TimeSync.hpp"
+#include "kartSender.hpp"
+
+Detector detector;
+
+#define PIN_BUTTON 0
+#define NUM_SAMPLES 100
+
+void Detector::Init() {
+    pinMode(PIN_BUTTON, INPUT_PULLUP);
+}
+
+void Detector::Tasks() {
+    uint32_t avg = 0;
+    for (int i = 0; i < NUM_SAMPLES; i++) {
+        avg += analogRead(1);
+    }
+    float detect = avg / (float)NUM_SAMPLES / 4095.0f;
+    detect -= .37;  // idle state
+    // Serial.printf("Button detect: %.2f\n", detect);
+    uint16_t button_state = detect < .02f;
+    if (button_state != last_button_state) {
+        if (!button_state) {
+            falling_edge_time = millis();
+            handled = false;
+        }
+    }
+    last_button_state = button_state;
+
+    if (!button_state && millis() - falling_edge_time > 30 && !handled) {
+        handled = true;
+        // Serial.printf("Timestamp: %llu\n", TimeSync::GetTime());
+        kart_sender.Send();
+    }
+}

main/Detector.hpp

@@ -0,0 +1,18 @@
+#ifndef DETECTOR_HPP
+#define DETECTOR_HPP
+
+#include "Arduino.h"
+
+class Detector {
+   public:
+    void Init();
+    void Tasks();
+
+   private:
+    uint32_t falling_edge_time;
+    bool last_button_state;
+    bool handled;
+};
+extern Detector detector;
+
+#endif

main/TimeSync.hpp

@@ -0,0 +1,37 @@
+#ifndef TIMESYNC_HPP
+#define TIMESYNC_HPP
+
+#include <sys/time.h>
+
+#include "Arduino.h"
+#include "WiFi.h"
+#include "time.h"
+
+class TimeSync {
+   public:
+    static void Sync() {
+        const char* ssid = "ConnectonRefused";
+        const char* password = "retryconnection";
+
+        const char* ntpServer = "pool.ntp.org";
+        WiFi.begin(ssid, password);
+        while (WiFi.status() != WL_CONNECTED) {
+            delay(500);
+            Serial.print(".");
+        }
+        Serial.println("");
+        Serial.println("WiFi connected.");
+        configTime(0, 0, ntpServer);
+        delay(2000);
+        WiFi.disconnect();
+    }
+
+    static uint64_t GetTime() {
+        struct timeval tv;
+        gettimeofday(&tv, NULL);  // gets time in seconds and microseconds
+        uint64_t epochMillis = (uint64_t)tv.tv_sec * 1000 + (tv.tv_usec / 1000);
+        return epochMillis;
+    }
+};
+
+#endif

main/idf_component.yml

@@ -0,0 +1,19 @@
+## IDF Component Manager Manifest File
+dependencies:
+  ## Required IDF version
+  idf:
+    version: '>=4.1.0'
+  # # Put list of dependencies here
+  # # For components maintained by Espressif:
+  # component: "~1.0.0"
+  # # For 3rd party components:
+  # username/component: ">=1.0.0,<2.0.0"
+  # username2/component2:
+  #   version: "~1.0.0"
+  #   # For transient dependencies `public` flag can be set.
+  #   # `public` flag doesn't have an effect dependencies of the `main` component.
+  #   # All dependencies of `main` are public by default.
+  #   public: true
+  espressif/arduino-esp32: ^3.3.0
+  bblanchon/arduinojson: ^7.4.2
+  esp32async/espasyncwebserver: ^3.7.10

main/kartMessage.hpp

@@ -0,0 +1,10 @@
+#ifndef KART_MESSAGE_HPP
+#define KART_MESSAGE_HPP
+#include "Arduino.h"
+
+typedef struct {
+    uint32_t kart_id;
+    uint32_t transmision;
+} kart_msg;
+
+#endif

main/kartSender.cpp

@@ -0,0 +1,64 @@
+#include "kartSender.hpp"
+
+#include <esp_now.h>
+#include <esp_wifi.h>
+
+#include "Arduino.h"
+#include "Config.hpp"
+#include "WiFi.h"
+#include "kartMessage.hpp"
+bool tp_state = false;
+KartSender kart_sender;
+// callback when data is sent
+void OnDataSent(const esp_now_send_info_t *tx_info, esp_now_send_status_t status) {
+    if (status == ESP_NOW_SEND_SUCCESS) {
+        // esp_now_deinit();
+    }
+    // Serial.print("\r\nLast Packet Send Status:\t");
+    // Serial.println(status == ESP_NOW_SEND_SUCCESS ? "Delivery Success" : "Delivery Fail");
+}
+
+esp_now_peer_info_t peerInfo;
+void KartSender::Send() {
+    tp_state = !tp_state;
+    digitalWrite(21, tp_state);
+
+    kart_msg myData;
+
+    myData.kart_id = config.kart_id;
+    myData.transmision = transmission_counter++;
+
+    // Send message via ESP-NOW
+    esp_err_t result = esp_now_send(config.trackside_mac, (uint8_t *)&myData, sizeof(myData));
+
+    if (result == ESP_OK) {
+        Serial.println("Sent with success");
+    } else {
+        Serial.println("Error sending the data");
+    }
+}
+
+void KartSender::Init() {
+    WiFi.mode(WIFI_STA);
+
+    // Init ESP-NOW
+    if (esp_now_init() != ESP_OK) {
+        Serial.println("Error initializing ESP-NOW");
+        return;
+    }
+
+    // Once ESPNow is successfully Init, we will register for Send CB to
+    // get the status of Transmitted packet
+    esp_now_register_send_cb(OnDataSent);
+
+    // Register peer
+    memcpy(peerInfo.peer_addr, config.trackside_mac, 6);
+    peerInfo.channel = 0;
+    peerInfo.encrypt = false;
+
+    // Add peer
+    if (esp_now_add_peer(&peerInfo) != ESP_OK) {
+        Serial.println("Failed to add peer");
+        return;
+    }
+}

main/kartSender.hpp

@@ -0,0 +1,17 @@
+#ifndef KART_SENDER_HPP
+#define KART_SENDER_HPP
+
+#include "Arduino.h"
+
+class KartSender {
+   public:
+    void Init();
+    void Send();
+
+   private:
+    uint32_t transmission_counter = 0;
+};
+
+extern KartSender kart_sender;
+
+#endif

main/main.cpp

@@ -0,0 +1,36 @@
+#include <esp_now.h>
+#include <esp_wifi.h>
+
+#include "Arduino.h"
+#include "Config.hpp"
+#include "Detector.hpp"
+#include "TimeSync.hpp"
+#include "WiFi.h"
+#include "kartMessage.hpp"
+#include "kartSender.hpp"
+
+// Create a struct_message called myData
+
+int trans = 0;
+
+void setup() {
+    // Init Serial Monitor
+    Serial.begin(115200);
+    Serial.setTxBufferSize(255);
+    Serial.setRxBufferSize(255);
+    pinMode(21, OUTPUT);
+    digitalWrite(21, LOW);
+    // Set device as a Wi-Fi Station
+    // TimeSync::Sync();
+    config.Init();
+    kart_sender.Init();
+    detector.Init();
+}
+
+void loop() {
+    // Set values to send
+    // kart_sender.Send();
+    // delay(5000);
+    detector.Tasks();
+    delay(5);
+}

partitions.csv

@@ -0,0 +1,7 @@
+# Name,   Type, SubType, Offset,  Size, Flags
+nvs,      data, nvs,     0x9000,  0x5000,
+otadata,  data, ota,     0xe000,  0x2000,
+app0,     app,  ota_0,   0x10000, 0x330000,
+app1,     app,  ota_1,   0x340000,0x330000,
+spiffs,   data, spiffs,  0x670000,0x180000,
+coredump, data, coredump,0x7F0000,0x10000,