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/framework/include/utils/serial.hpp

@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: Apache-2.0
+// Copyright 2020 - 2022 Pionix GmbH and Contributors to EVerest
+#ifndef UTILS_SERIAL_HPP
+#define UTILS_SERIAL_HPP
+
+#include <cstddef>
+#include <cstdio>
+#include <stdint.h>
+#include <string>
+#include <termios.h>
+#include <vector>
+
+namespace Everest {
+class Serial {
+
+public:
+    Serial();
+    virtual ~Serial();
+
+    bool openDevice(const char* device, int baud);
+
+    virtual void run() = 0;
+
+    virtual std::string hexdump(const std::uint8_t* const msg, int msg_len) const;
+    virtual std::string hexdump(const std::vector<std::uint8_t>& msg) const;
+
+protected:
+    int fd{-1};
+    int baud{0};
+
+private:
+    // Serial interface
+    bool setSerialAttributes();
+
+    // COBS de-/encoder
+    void cobsDecodeReset();
+    void handlePacket(uint8_t* buf, int len);
+    void cobsDecode(uint8_t* buf, int len);
+    void cobsDecodeByte(uint8_t byte);
+    std::size_t cobsEncode(const void* data, std::size_t length, uint8_t* buffer);
+    uint8_t msg[2048];
+    uint8_t code;
+    uint8_t block;
+    uint8_t* decode;
+    uint32_t crc32(uint8_t* buf, int len);
+};
+} // namespace Everest
+
+#endif // UTILS_CONFIG_HPP