/**************************************************************************** * * Copyright (C) 2023 PX4 Development Team. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3. Neither the name PX4 nor the names of its contributors may be * used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************/ #pragma once #include #include using device::SerialConfig::ByteSize; using device::SerialConfig::Parity; using device::SerialConfig::StopBits; using device::SerialConfig::FlowControl; namespace device __EXPORT { class Serial { public: Serial(); Serial(const char *port, uint32_t baudrate = 57600, ByteSize bytesize = ByteSize::EightBits, Parity parity = Parity::None, StopBits stopbits = StopBits::One, FlowControl flowcontrol = FlowControl::Disabled); virtual ~Serial(); // Open sets up the port and gets it configured based on desired configuration // The port is always opened in NON BLOCKING mode. bool open(); bool isOpen() const; bool close(); ssize_t bytesAvailable(); ssize_t txSpaceAvailable(); ssize_t read(uint8_t *buffer, size_t buffer_size); ssize_t readAtLeast(uint8_t *buffer, size_t buffer_size, size_t character_count = 1, uint32_t timeout_ms = 0); ssize_t write(const void *buffer, size_t buffer_size); ssize_t writeBlocking(const void *buffer, size_t buffer_size, uint32_t timeout_ms = 0); void flush(); // If port is already open then the following configuration functions // will reconfigure the port. If the port is not yet open then they will // simply store the configuration in preparation for the port to be opened. uint32_t getBaudrate() const; bool setBaudrate(uint32_t baudrate); ByteSize getBytesize() const; bool setBytesize(ByteSize bytesize); Parity getParity() const; bool setParity(Parity parity); StopBits getStopbits() const; bool setStopbits(StopBits stopbits); FlowControl getFlowcontrol() const; bool setFlowcontrol(FlowControl flowcontrol); bool getSingleWireMode() const; bool setSingleWireMode(); bool getSwapRxTxMode() const; bool setSwapRxTxMode(); bool getInvertedMode() const; bool setInvertedMode(bool enable); static bool validatePort(const char *port); bool setPort(const char *port); const char *getPort() const; private: // Disable copy constructors Serial(const Serial &); Serial &operator=(const Serial &); // platform implementation SerialImpl _impl; }; } // namespace device