93 lines
2.6 KiB
C
93 lines
2.6 KiB
C
/**
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* WinPR: Windows Portable Runtime
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* Serial Communication API
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*
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* Copyright 2014 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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* Copyright 2014 Hewlett-Packard Development Company, L.P.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef WINPR_COMM_PRIVATE_H
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#define WINPR_COMM_PRIVATE_H
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#ifndef _WIN32
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#include <linux/serial.h>
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#include <sys/eventfd.h>
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#include <winpr/comm.h>
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#include "../handle/handle.h"
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/**
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* IOCTLs table according the remote serial driver:
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* http://msdn.microsoft.com/en-us/library/windows/hardware/dn265347%28v=vs.85%29.aspx
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*/
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typedef enum _REMOTE_SERIAL_DRIVER_ID
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{
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RemoteSerialDriverUnknown = 0,
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RemoteSerialDriverSerialSys,
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RemoteSerialDriverSerCxSys,
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RemoteSerialDriverSerCx2Sys /* default fallback, see also CommDeviceIoControl() */
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} REMOTE_SERIAL_DRIVER_ID;
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struct winpr_comm
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{
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WINPR_HANDLE_DEF();
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int fd;
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int fd_read;
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int fd_read_event; /* as of today, only used by _purge() */
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int fd_write;
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int fd_write_event; /* as of today, only used by _purge() */
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/* permissive mode on errors if TRUE (default is FALSE).
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*
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* Since not all features are supported, some devices and applications
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* can still be functional on such errors.
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*
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* TODO: command line switch or getting rid of it.
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*/
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BOOL permissive;
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// TMP: to be renamed serverSerialDriverId
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REMOTE_SERIAL_DRIVER_ID remoteSerialDriverId;
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COMMTIMEOUTS timeouts;
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CRITICAL_SECTION EventsLock; /* protects counters, WaitEventMask and PendingEvents */
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struct serial_icounter_struct counters;
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ULONG WaitEventMask;
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ULONG PendingEvents;
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/* NB: CloseHandle() has to free resources */
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};
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typedef struct winpr_comm WINPR_COMM;
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void _comm_setRemoteSerialDriver(HANDLE hComm, REMOTE_SERIAL_DRIVER_ID);
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/* TMP: TODO: move all specific defines and types here? at least SERIAL_EV_* */
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#define SERIAL_EV_FREERDP_WAITING 0x4000 /* bit unused by SERIAL_EV_* */
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#define SERIAL_EV_FREERDP_STOP 0x8000 /* bit unused by SERIAL_EV_* */
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#define FREERDP_PURGE_TXABORT 0x00000001 /* abort pending transmission */
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#define FREERDP_PURGE_RXABORT 0x00000002 /* abort pending reception */
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#endif /* _WIN32 */
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#endif /* WINPR_COMM_PRIVATE_H */
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