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/**
* WinPR: Windows Portable Runtime
* Serial Communication API
*
* Copyright 2014 Marc-Andre Moreau <marcandre.moreau@gmail.com>
* Copyright 2014 Hewlett-Packard Development Company, L.P.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef WINPR_COMM_PRIVATE_H
#define WINPR_COMM_PRIVATE_H
#if defined __linux__ && !defined ANDROID
#include <linux/serial.h>
#include <sys/eventfd.h>
#include <winpr/comm.h>
#include "../handle/handle.h"
#include <winpr/config.h>
struct winpr_comm
{
WINPR_HANDLE common;
int fd;
int fd_read;
int fd_read_event; /* as of today, only used by _purge() */
CRITICAL_SECTION ReadLock;
int fd_write;
int fd_write_event; /* as of today, only used by _purge() */
CRITICAL_SECTION WriteLock;
/* permissive mode on errors. If TRUE (default is FALSE)
* CommDeviceIoControl always return TRUE.
*
* Not all features are supported yet and an error is then returned when
* an application turns them on (e.g: i/o buffers > 4096). It appeared
* though that devices and applications can be still functional on such
* errors.
*
* see also: comm_ioctl.c
*
* FIXME: getting rid of this flag once all features supported.
*/
BOOL permissive;
SERIAL_DRIVER_ID serverSerialDriverId;
COMMTIMEOUTS timeouts;
CRITICAL_SECTION
EventsLock; /* protects counters, WaitEventMask and PendingEvents */
struct serial_icounter_struct counters;
ULONG WaitEventMask;
ULONG PendingEvents;
char eventChar;
/* NB: CloseHandle() has to free resources */
};
typedef struct winpr_comm WINPR_COMM;
#define SERIAL_EV_RXCHAR 0x0001
#define SERIAL_EV_RXFLAG 0x0002
#define SERIAL_EV_TXEMPTY 0x0004
#define SERIAL_EV_CTS 0x0008
#define SERIAL_EV_DSR 0x0010
#define SERIAL_EV_RLSD 0x0020
#define SERIAL_EV_BREAK 0x0040
#define SERIAL_EV_ERR 0x0080
#define SERIAL_EV_RING 0x0100
#define SERIAL_EV_PERR 0x0200
#define SERIAL_EV_RX80FULL 0x0400
#define SERIAL_EV_EVENT1 0x0800
#define SERIAL_EV_EVENT2 0x1000
#define SERIAL_EV_WINPR_WAITING 0x4000 /* bit today unused by other SERIAL_EV_* */
#define SERIAL_EV_WINPR_STOP 0x8000 /* bit today unused by other SERIAL_EV_* */
#define WINPR_PURGE_TXABORT 0x00000001 /* abort pending transmission */
#define WINPR_PURGE_RXABORT 0x00000002 /* abort pending reception */
void CommLog_Print(DWORD wlog_level, ...);
BOOL CommIsHandled(HANDLE handle);
BOOL CommIsHandleValid(HANDLE handle);
BOOL CommCloseHandle(HANDLE handle);
HANDLE_CREATOR* GetCommHandleCreator(void);
#ifndef WITH_EVENTFD_READ_WRITE
int eventfd_read(int fd, eventfd_t* value);
int eventfd_write(int fd, eventfd_t value);
#endif
#endif /* __linux__ */
#endif /* WINPR_COMM_PRIVATE_H */
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