d398a6ced2
- 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
56 lines
1.5 KiB
C++
56 lines
1.5 KiB
C++
// SPDX-License-Identifier: Apache-2.0
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// Copyright 2020 - 2025 Pionix GmbH and Contributors to EVerest
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/*
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This is an implementation for custom serial communications
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*/
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#ifndef SERIAL_DEVICE
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#define SERIAL_DEVICE
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#include <everest/logging.hpp>
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#include <mutex>
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#include <optional>
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#include <stdint.h>
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#include <termios.h>
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namespace serial_device {
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constexpr int SERIAL_RX_INITIAL_TIMEOUT_MS = 500;
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constexpr int SERIAL_RX_WITHIN_MESSAGE_TIMEOUT_MS = 100;
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struct Retry {
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std::uint8_t num_of_retries{0};
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std::uint8_t num_of_retries_done{0};
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};
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class SerialDevice {
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public:
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SerialDevice() = default;
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SerialDevice(const SerialDevice&) = delete;
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SerialDevice(SerialDevice&&) = delete;
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SerialDevice& operator=(const SerialDevice&) = delete;
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SerialDevice& operator=(SerialDevice&&) = delete;
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~SerialDevice();
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bool open_device(const std::string& device, int baud, bool ignore_echo, std::uint8_t _num_of_retries);
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int tx_rx_blocking(const std::vector<std::uint8_t>& request, std::vector<std::uint8_t>& rxbuf,
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std::optional<int> initial_timeout_ms, std::optional<int> in_msg_timeout_ms);
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private:
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// Serial interface
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int fd{0};
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bool ignore_echo{false};
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void tx(const std::vector<std::uint8_t>& request);
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int rx(std::vector<std::uint8_t>& rxbuf, std::optional<int> initial_timeout_ms,
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std::optional<int> in_msg_timeout_ms);
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std::mutex serial_mutex;
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std::mutex txrx_mutex;
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Retry retry_struct;
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};
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} // namespace serial_device
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#endif // SERIAL_DEVICE
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