mirror of
git://sigrok.org/libserialport
synced 2023-08-10 21:13:24 +03:00
97 lines
2.6 KiB
C
97 lines
2.6 KiB
C
/*
|
|
* This file is part of the libserialport project.
|
|
*
|
|
* Copyright (C) 2013 Martin Ling <martin-libserialport@earth.li>
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License as
|
|
* published by the Free Software Foundation, either version 3 of the
|
|
* License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef SERIALPORT_H
|
|
#define SERIALPORT_H
|
|
|
|
#include <stddef.h>
|
|
#ifdef _WIN32
|
|
#include <windows.h>
|
|
#endif
|
|
|
|
/* A serial port. */
|
|
struct sp_port {
|
|
/* Name used to open the port */
|
|
char *name;
|
|
/* OS-specific port handle */
|
|
#ifdef _WIN32
|
|
HANDLE hdl;
|
|
#else
|
|
int fd;
|
|
#endif
|
|
};
|
|
|
|
/* Return values. */
|
|
enum {
|
|
/* Operation completed successfully. */
|
|
SP_OK = 0,
|
|
/* Invalid arguments were passed to the function. */
|
|
SP_ERR_ARG = -1,
|
|
/* A system error occured while executing the operation. */
|
|
SP_ERR_FAIL = -2,
|
|
/* A memory allocation failed while executing the operation. */
|
|
SP_ERR_MEM = -3
|
|
};
|
|
|
|
/* Port access modes. */
|
|
enum {
|
|
/* Open port for read/write access. */
|
|
SP_MODE_RDWR = 1,
|
|
/* Open port for read access only. */
|
|
SP_MODE_RDONLY = 2,
|
|
/* Open port in non-blocking mode. */
|
|
SP_MODE_NONBLOCK = 4
|
|
};
|
|
|
|
/* Parity settings. */
|
|
enum {
|
|
/* No parity. */
|
|
SP_PARITY_NONE = 0,
|
|
/* Even parity. */
|
|
SP_PARITY_EVEN = 1,
|
|
/* Odd parity. */
|
|
SP_PARITY_ODD = 2
|
|
};
|
|
|
|
/* Flow control settings. */
|
|
enum {
|
|
/* No flow control. */
|
|
SP_FLOW_NONE = 0,
|
|
/* Hardware (RTS/CTS) flow control. */
|
|
SP_FLOW_HARDWARE = 1,
|
|
/* Software (XON/XOFF) flow control. */
|
|
SP_FLOW_SOFTWARE = 2
|
|
};
|
|
|
|
int sp_get_port_by_name(const char *portname, struct sp_port **port_ptr);
|
|
int sp_list_ports(struct sp_port ***list_ptr);
|
|
void sp_free_port_list(struct sp_port **ports);
|
|
int sp_open(struct sp_port *port, int flags);
|
|
int sp_close(struct sp_port *port);
|
|
int sp_flush(struct sp_port *port);
|
|
int sp_write(struct sp_port *port, const void *buf, size_t count);
|
|
int sp_read(struct sp_port *port, void *buf, size_t count);
|
|
int sp_set_params(struct sp_port *port, int baudrate, int bits, int parity,
|
|
int stopbits, int flowcontrol, int rts, int dtr);
|
|
int sp_last_error_code(void);
|
|
char *sp_last_error_message(void);
|
|
void sp_free_error_message(char *message);
|
|
|
|
#endif /* SERIALPORT_H */
|