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Add source code of the XiPC emulator

Pawel Jablonski authored on 17/03/2023 16:46:08
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emu/src/rs232.h
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+/*
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+ * Author: Pawel Jablonski
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+ * E-mail: pj@xirx.net
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+ * WWW: xirx.net
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+ * GIT: git.xirx.net
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+ *
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+ * License: You can use this code however you like
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+ * but leave information about the original author.
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+ * Code is free for non-commercial and commercial use.
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+ */
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+
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+#ifndef RS232_H
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+#define RS232_H
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+
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+#include <QObject>
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+#include <QString>
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+#include <QList>
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+
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+//! This class contains RS232 functions
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+class RS232 : public QObject
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+{
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+	Q_OBJECT
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+
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+	public:
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+		static const int BUFFER_RX_SIZE = 64; //!< Receive buffer size
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+		static const int BUFFER_TX_SIZE = 64; //!< Transmit buffer size
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+
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+		static const int SEND_MASK = 0x7f; //!< Mask to make a basic ASCII char set
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+
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+		static const int MAX_CODE = 0x7f; //!< Maximum allowed ASCII char
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+		static const int MIN_CODE = 0x20; //!< Minimum allowed ASCII char
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+
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+		RS232(QObject *parent = nullptr);
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+
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+		void reset();
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+
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+		void rx(const QString &text);
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+
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+		void send(unsigned char c);
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+		unsigned char receive();
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+
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+		unsigned char getSendBufferFree();
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+
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+	private:
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+		QList<unsigned char> rxBuffer; //!< Receive buffer
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+
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+	signals:
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+		void updateTxSignal(unsigned char c);
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+		void updateRxSignal(unsigned char c);
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+
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+		void dataReadySignal(bool ready);
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+};
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+
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+#endif