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AndroidCoderPeng
SerialPortDebugger
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SerialPortDebugger
/
SerialPortManager.hpp
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SerialPortDebugger
/
SerialPortManager.hpp
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#
ifndef
SERIALPORTMANAGER_HPP
#
define
SERIALPORTMANAGER_HPP
#
include
<
QObject
>
#
include
<
QString
>
class
QThread
;
class
SerialPortWorker
;
//
适用于跨线程串口管理,提供线程安全的接口,内部使用互斥锁保护串口资源,注意和SerialPortObserver区分
class
SerialPortManager
:
public
QObject
{
Q_OBJECT
public:
explicit
SerialPortManager
(QObject *parent =
nullptr
);
~SerialPortManager
()
override
;
static
inline
SerialPortManager *
get
() {
static
SerialPortManager instance;
return
&instance;
}
void
open
(
const
QString &portName, qint32 baudRate,
const
QString &dataBits =
"
"
,
const
QString &parity =
"
"
,
const
QString &stopBits =
"
"
,
const
QString &flowControl =
"
"
);
void
write
(
const
QByteArray &data);
void
close
();
bool
isOpen
()
const
;
//
不能让 UI 层跳过 Manager 直接连 Worker。
//
正确的做法是 Manager 暴露自己的信号,在 slot 里 re-emit。
//
虽然看起来像是"把 Worker 的信号再写一遍",但这是合理的外观模式,只为换取:
//
1.UI 层不知道 Worker 的存在(解耦)
//
2.Manager 可以在转发前做额外处理(日志、过滤、缓冲)
//
3.未来换掉 Worker 实现时,UI 完全不受影响
signals:
void
dataReceivedSignal
(
const
QByteArray &data);
void
stateChangedSignal
(
bool
opened);
void
errorOccurredSignal
(
const
QString &message);
private slots:
void
dataReceivedSlot
(
const
QByteArray &data);
void
stateChangedSlot
(
bool
opened);
void
errorOccurredSlot
(
const
QString &message);
private:
QThread *ioThreadPtr;
SerialPortWorker *workerPtr;
};
#
endif
//
SERIALPORTMANAGER_HPP
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