98 lines
3.3 KiB
C++

/****************************************************************************
*
* 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
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****************************************************************************/
#pragma once
#include <SerialImpl.hpp>
#include <px4_platform_common/SerialCommon.hpp>
using device::SerialConfig::ByteSize;
using device::SerialConfig::Parity;
using device::SerialConfig::StopBits;
using device::SerialConfig::FlowControl;
namespace device __EXPORT
{
class Serial
{
public:
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
bool open();
bool isOpen() const;
bool close();
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_us = 0);
ssize_t write(const void *buffer, size_t buffer_size);
// 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);
const char *getPort() const;
private:
// Disable copy constructors
Serial(const Serial &);
Serial &operator=(const Serial &);
// platform implementation
SerialImpl _impl;
};
} // namespace device