Add extracted tools: CitrineOS, OpenOCPP, ShapeShifter

- CitrineOS core extracted (CSMS OCPP 2.0.1)
- OpenOCPP extracted (firmware OCPP 1.6J/2.0.1)
- ShapeShifter library installed (pip install -e)
- ShapeShifter specification extracted
- EVerest extracted

TODO updated with progress

tools/EVerest-main/lib/everest/io/examples/test_socket_can.cpp

@@ -0,0 +1,77 @@
+// SPDX-License-Identifier: Apache-2.0
+// Copyright 2020 - 2025 Pionix GmbH and Contributors to EVerest
+#include <atomic>
+#include <chrono>
+#include <everest/io/can/socket_can.hpp>
+#include <fstream>
+#include <iomanip>
+#include <iostream>
+#include <sstream>
+#include <thread>
+
+using namespace everest::lib::io;
+using namespace std::chrono_literals;
+using generic_socket_can = typename can::socket_can::interface;
+
+const std::string current_date_time() {
+    time_t now = time(0);
+    struct tm tstruct;
+    char buf[80];
+    tstruct = *localtime(&now);
+
+    strftime(buf, sizeof(buf), "%Y-%m-%d %X", &tstruct);
+
+    return buf;
+}
+
+std::atomic_bool on_error{false};
+
+void rx(can::can_dataset const& data, generic_socket_can& dev) {
+    auto can_id = data.get_can_id();
+    auto& payload = data.payload;
+
+    std::cout << "[ " << std::hex << can_id << " ] -> ";
+    for (auto elem : payload) {
+        std::cout << std::setw(2) << std::setfill('0') << (uint)elem << " ";
+    }
+    std::cout << std::endl;
+
+    can::can_dataset msg;
+    msg.set_can_id(002);
+    msg.payload = {01, 02, 03, 04};
+    dev.tx(msg);
+}
+
+void error_fn(int err, std::string const& message, std::ostream& logger) {
+    if (err == 0) {
+        std::cerr << "ERROR: ( " << err << " ): " << message << std::endl;
+        on_error.store(false);
+    } else {
+        std::stringstream ss;
+        ss << "ERROR: ( " << err << " ): " << message << std::endl;
+
+        on_error.store(true);
+        std::cerr << ss.str() << std::endl;
+        logger << current_date_time() << "  " << ss.str() << std::endl;
+    }
+}
+
+int main() {
+    std::ofstream logfile("logfile.txt", std::ofstream::out);
+    std::cout << "hello socket_can test" << std::endl;
+    can::socket_can can_dev("can0");
+    can_dev.set_rx_handler(&rx);
+    can_dev.set_error_handler([&](auto err, auto msg) {
+        error_fn(err, msg, logfile);
+        if (err != 0) {
+            can_dev.reset();
+            on_error.store(can_dev.on_error());
+            std::this_thread::sleep_for(1s);
+        }
+    });
+    while (true) {
+        can_dev.sync();
+    }
+
+    return 0;
+}