110 lines
2.6 KiB
C
110 lines
2.6 KiB
C
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/********************************************************************************
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/
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/ File: SerialPort.h
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/
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/ Description: Serial Port class header.
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/
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/ Copyright 1995-98, Be Incorporated, All Rights Reserved.
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/
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********************************************************************************/
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#ifndef _SERIAL_PORT_H
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#define _SERIAL_PORT_H
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#include <BeBuild.h>
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#include <stddef.h>
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#include <OS.h>
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#include <SupportDefs.h>
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class BList;
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enum data_rate { B_0_BPS = 0, B_50_BPS, B_75_BPS, B_110_BPS, B_134_BPS,
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B_150_BPS, B_200_BPS, B_300_BPS, B_600_BPS, B_1200_BPS,
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B_1800_BPS, B_2400_BPS, B_4800_BPS, B_9600_BPS, B_19200_BPS,
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B_38400_BPS, B_57600_BPS, B_115200_BPS,
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B_230400_BPS, B_31250_BPS };
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enum data_bits { B_DATA_BITS_7, B_DATA_BITS_8 };
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enum stop_bits { B_STOP_BITS_1, B_STOP_BITS_2 };
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#define B_STOP_BIT_1 B_STOP_BITS_1
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enum parity_mode { B_NO_PARITY, B_ODD_PARITY, B_EVEN_PARITY };
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enum { B_NOFLOW_CONTROL = 0, B_HARDWARE_CONTROL = 0x00000001,
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B_SOFTWARE_CONTROL = 0x00000002 };
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/* -----------------------------------------------------------------------*/
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class BSerialPort {
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public:
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BSerialPort();
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virtual ~BSerialPort();
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status_t Open(const char *portName);
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void Close(void);
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ssize_t Read(void *buf, size_t count);
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ssize_t Write(const void *buf, size_t count);
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void SetBlocking(bool Blocking);
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status_t SetTimeout(bigtime_t microSeconds);
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status_t SetDataRate(data_rate bitsPerSecond);
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data_rate DataRate(void);
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void SetDataBits(data_bits numBits);
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data_bits DataBits(void);
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void SetStopBits(stop_bits numBits);
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stop_bits StopBits(void);
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void SetParityMode(parity_mode which);
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parity_mode ParityMode(void);
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void ClearInput(void);
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void ClearOutput(void);
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void SetFlowControl(uint32 method);
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uint32 FlowControl(void);
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status_t SetDTR(bool asserted);
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status_t SetRTS(bool asserted);
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status_t NumCharsAvailable(int32 *wait_until_this_many);
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bool IsCTS(void);
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bool IsDSR(void);
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bool IsRI(void);
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bool IsDCD(void);
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ssize_t WaitForInput(void);
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/* -----------------------------------------------------------------------*/
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int32 CountDevices();
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status_t GetDeviceName(int32 n, char * name,
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size_t bufSize = B_OS_NAME_LENGTH);
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private:
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void ScanDevices();
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virtual void _ReservedSerialPort1();
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virtual void _ReservedSerialPort2();
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virtual void _ReservedSerialPort3();
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virtual void _ReservedSerialPort4();
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int ffd;
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data_rate fBaudRate;
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data_bits fDataBits;
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stop_bits fStopBits;
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parity_mode fParityMode;
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uint32 fFlow;
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bigtime_t fTimeout;
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bool fBlocking;
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int DriverControl();
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BList * _fDevices;
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uint32 _fReserved[3];
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};
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#endif
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