108 lines
3.1 KiB
C
108 lines
3.1 KiB
C
/**
|
|
* 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"
|
|
|
|
struct winpr_comm
|
|
{
|
|
WINPR_HANDLE_DEF();
|
|
|
|
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;
|
|
|
|
/* 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_FREERDP_WAITING 0x4000 /* bit today unused by other SERIAL_EV_* */
|
|
#define SERIAL_EV_FREERDP_STOP 0x8000 /* bit today unused by other SERIAL_EV_* */
|
|
|
|
#define FREERDP_PURGE_TXABORT 0x00000001 /* abort pending transmission */
|
|
#define FREERDP_PURGE_RXABORT 0x00000002 /* abort pending reception */
|
|
|
|
|
|
void CommLog_Print(int wlog_level, char *fmt, ...);
|
|
|
|
BOOL CommIsHandled(HANDLE handle);
|
|
BOOL CommCloseHandle(HANDLE handle);
|
|
|
|
#ifdef __UCLIBC__
|
|
int eventfd_read(int fd, eventfd_t* value);
|
|
int eventfd_write(int fd, eventfd_t value);
|
|
#endif
|
|
|
|
#endif /* __linux__ */
|
|
|
|
#endif /* WINPR_COMM_PRIVATE_H */
|