2013-04-28 02:35:45 +04:00
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/*
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* This file is part of the libserialport project.
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*
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* Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com>
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* Copyright (C) 2010-2012 Uwe Hermann <uwe@hermann-uwe.de>
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* Copyright (C) 2013 Martin Ling <martin-libserialport@earth.li>
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2013-11-20 17:21:07 +04:00
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* Copyright (C) 2013 Matthias Heidbrink <m-sigrok@heidbrink.biz>
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2014-05-31 00:49:04 +04:00
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* Copyright (C) 2014 Aurelien Jacobs <aurel@gnuage.org>
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2013-04-28 02:35:45 +04:00
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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2013-11-04 16:53:12 +04:00
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#include "libserialport.h"
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2014-06-11 18:10:29 +04:00
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#include "libserialport_internal.h"
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2013-11-15 03:24:51 +04:00
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const struct std_baudrate std_baudrates[] = {
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#ifdef _WIN32
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/*
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* The baudrates 50/75/134/150/200/1800/230400/460800 do not seem to
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* have documented CBR_* macros.
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*/
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BAUD(110), BAUD(300), BAUD(600), BAUD(1200), BAUD(2400), BAUD(4800),
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BAUD(9600), BAUD(14400), BAUD(19200), BAUD(38400), BAUD(57600),
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2013-11-19 22:31:23 +04:00
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BAUD(115200), BAUD(128000), BAUD(256000),
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2013-11-15 03:24:51 +04:00
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#else
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2013-11-19 22:31:23 +04:00
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BAUD(50), BAUD(75), BAUD(110), BAUD(134), BAUD(150), BAUD(200),
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BAUD(300), BAUD(600), BAUD(1200), BAUD(1800), BAUD(2400), BAUD(4800),
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BAUD(9600), BAUD(19200), BAUD(38400), BAUD(57600), BAUD(115200),
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BAUD(230400),
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2013-11-15 03:24:51 +04:00
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#if !defined(__APPLE__) && !defined(__OpenBSD__)
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2013-11-19 22:31:23 +04:00
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BAUD(460800),
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2013-11-15 03:24:51 +04:00
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#endif
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#endif
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};
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2013-11-23 02:41:03 +04:00
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void (*sp_debug_handler)(const char *format, ...) = sp_default_debug_handler;
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2013-11-19 06:36:22 +04:00
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static enum sp_return get_config(struct sp_port *port, struct port_data *data,
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struct sp_port_config *config);
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2014-06-11 18:10:29 +04:00
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2013-11-19 06:36:22 +04:00
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static enum sp_return set_config(struct sp_port *port, struct port_data *data,
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const struct sp_port_config *config);
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2013-11-15 01:39:56 +04:00
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2014-06-16 02:40:37 +04:00
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SP_API enum sp_return sp_get_port_by_name(const char *portname, struct sp_port **port_ptr)
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2013-11-04 01:17:21 +04:00
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{
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struct sp_port *port;
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2014-08-01 01:09:24 +04:00
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#ifndef NO_PORT_METADATA
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2014-05-31 00:49:04 +04:00
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enum sp_return ret;
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2014-08-01 01:09:24 +04:00
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#endif
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2013-11-04 01:30:43 +04:00
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int len;
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2013-11-04 01:17:21 +04:00
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2013-11-23 04:26:44 +04:00
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TRACE("%s, %p", portname, port_ptr);
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2013-11-04 17:42:55 +04:00
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if (!port_ptr)
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2013-11-23 04:26:44 +04:00
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RETURN_ERROR(SP_ERR_ARG, "Null result pointer");
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2013-11-04 17:42:55 +04:00
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2013-11-04 02:15:54 +04:00
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*port_ptr = NULL;
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2013-11-04 01:35:46 +04:00
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if (!portname)
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2013-11-23 04:26:44 +04:00
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RETURN_ERROR(SP_ERR_ARG, "Null port name");
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2013-11-04 01:35:46 +04:00
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2013-11-23 05:08:57 +04:00
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DEBUG("Building structure for port %s", portname);
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2013-11-04 01:17:21 +04:00
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if (!(port = malloc(sizeof(struct sp_port))))
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2013-11-23 04:26:44 +04:00
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RETURN_ERROR(SP_ERR_MEM, "Port structure malloc failed");
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2013-11-04 01:17:21 +04:00
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2013-11-04 01:30:43 +04:00
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len = strlen(portname) + 1;
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2013-11-19 22:31:23 +04:00
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if (!(port->name = malloc(len))) {
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2013-11-04 01:17:21 +04:00
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free(port);
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2013-11-23 04:26:44 +04:00
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RETURN_ERROR(SP_ERR_MEM, "Port name malloc failed");
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2013-11-04 01:17:21 +04:00
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}
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memcpy(port->name, portname, len);
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2013-11-19 00:00:15 +04:00
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#ifdef _WIN32
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port->hdl = INVALID_HANDLE_VALUE;
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#else
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port->fd = -1;
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#endif
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2014-06-11 18:10:29 +04:00
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port->description = NULL;
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port->transport = SP_TRANSPORT_NATIVE;
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port->usb_bus = -1;
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port->usb_address = -1;
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port->usb_vid = -1;
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port->usb_pid = -1;
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port->usb_manufacturer = NULL;
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port->usb_product = NULL;
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port->usb_serial = NULL;
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port->bluetooth_address = NULL;
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2014-06-14 15:25:18 +04:00
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#ifndef NO_PORT_METADATA
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2014-06-11 18:10:29 +04:00
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if ((ret = get_port_details(port)) != SP_OK) {
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2014-05-31 00:49:04 +04:00
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sp_free_port(port);
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return ret;
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}
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2014-06-14 15:25:18 +04:00
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#endif
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2014-05-31 00:49:04 +04:00
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2013-11-04 02:15:54 +04:00
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*port_ptr = port;
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2013-11-23 04:26:44 +04:00
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RETURN_OK();
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2013-11-04 01:17:21 +04:00
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}
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2014-06-16 02:40:37 +04:00
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SP_API char *sp_get_port_name(const struct sp_port *port)
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2013-11-23 21:11:19 +04:00
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{
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TRACE("%p", port);
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if (!port)
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return NULL;
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RETURN_VALUE("%s", port->name);
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}
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2014-06-16 02:40:37 +04:00
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SP_API char *sp_get_port_description(struct sp_port *port)
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2014-05-31 00:49:04 +04:00
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{
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TRACE("%p", port);
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if (!port || !port->description)
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return NULL;
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RETURN_VALUE("%s", port->description);
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}
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2014-06-16 02:40:37 +04:00
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SP_API enum sp_transport sp_get_port_transport(struct sp_port *port)
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2014-05-31 00:49:04 +04:00
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{
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TRACE("%p", port);
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if (!port)
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RETURN_ERROR(SP_ERR_ARG, "Null port");
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RETURN_VALUE("%d", port->transport);
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}
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2014-06-16 02:40:37 +04:00
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SP_API enum sp_return sp_get_port_usb_bus_address(const struct sp_port *port,
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int *usb_bus,int *usb_address)
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2014-05-31 00:49:04 +04:00
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{
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TRACE("%p", port);
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if (!port)
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RETURN_ERROR(SP_ERR_ARG, "Null port");
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if (port->transport != SP_TRANSPORT_USB)
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RETURN_ERROR(SP_ERR_ARG, "Port does not use USB transport");
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2014-06-11 19:21:51 +04:00
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if (port->usb_bus < 0 || port->usb_address < 0)
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RETURN_ERROR(SP_ERR_SUPP, "Bus and address values are not available");
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2014-05-31 00:49:04 +04:00
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if (usb_bus) *usb_bus = port->usb_bus;
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if (usb_address) *usb_address = port->usb_address;
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RETURN_OK();
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}
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2014-06-16 02:40:37 +04:00
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SP_API enum sp_return sp_get_port_usb_vid_pid(const struct sp_port *port,
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int *usb_vid, int *usb_pid)
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2014-05-31 00:49:04 +04:00
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{
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TRACE("%p", port);
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if (!port)
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RETURN_ERROR(SP_ERR_ARG, "Null port");
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if (port->transport != SP_TRANSPORT_USB)
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RETURN_ERROR(SP_ERR_ARG, "Port does not use USB transport");
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2014-06-11 19:21:51 +04:00
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if (port->usb_vid < 0 || port->usb_pid < 0)
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RETURN_ERROR(SP_ERR_SUPP, "VID:PID values are not available");
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2014-05-31 00:49:04 +04:00
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if (usb_vid) *usb_vid = port->usb_vid;
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if (usb_pid) *usb_pid = port->usb_pid;
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RETURN_OK();
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}
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2014-06-16 02:40:37 +04:00
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SP_API char *sp_get_port_usb_manufacturer(const struct sp_port *port)
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2014-05-31 00:49:04 +04:00
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{
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TRACE("%p", port);
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if (!port || port->transport != SP_TRANSPORT_USB || !port->usb_manufacturer)
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return NULL;
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RETURN_VALUE("%s", port->usb_manufacturer);
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}
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2014-06-16 02:40:37 +04:00
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SP_API char *sp_get_port_usb_product(const struct sp_port *port)
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2014-05-31 00:49:04 +04:00
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{
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TRACE("%p", port);
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if (!port || port->transport != SP_TRANSPORT_USB || !port->usb_product)
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return NULL;
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RETURN_VALUE("%s", port->usb_product);
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}
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2014-06-16 02:40:37 +04:00
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SP_API char *sp_get_port_usb_serial(const struct sp_port *port)
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2014-05-31 00:49:04 +04:00
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{
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TRACE("%p", port);
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if (!port || port->transport != SP_TRANSPORT_USB || !port->usb_serial)
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return NULL;
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RETURN_VALUE("%s", port->usb_serial);
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}
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2014-06-16 02:40:37 +04:00
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SP_API char *sp_get_port_bluetooth_address(const struct sp_port *port)
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2014-05-31 00:49:04 +04:00
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{
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TRACE("%p", port);
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if (!port || port->transport != SP_TRANSPORT_BLUETOOTH
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|| !port->bluetooth_address)
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return NULL;
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RETURN_VALUE("%s", port->bluetooth_address);
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}
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2014-06-16 02:40:37 +04:00
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SP_API enum sp_return sp_get_port_handle(const struct sp_port *port,
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void *result_ptr)
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2013-11-23 21:50:45 +04:00
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{
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2013-11-26 19:12:20 +04:00
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TRACE("%p, %p", port, result_ptr);
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2013-11-23 21:50:45 +04:00
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if (!port)
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RETURN_ERROR(SP_ERR_ARG, "Null port");
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#ifdef _WIN32
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HANDLE *handle_ptr = result_ptr;
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*handle_ptr = port->hdl;
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#else
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int *fd_ptr = result_ptr;
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*fd_ptr = port->fd;
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#endif
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RETURN_OK();
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}
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2014-06-16 02:40:37 +04:00
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SP_API enum sp_return sp_copy_port(const struct sp_port *port,
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struct sp_port **copy_ptr)
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2013-11-04 17:42:55 +04:00
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{
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2013-11-23 04:26:44 +04:00
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TRACE("%p, %p", port, copy_ptr);
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2013-11-04 17:42:55 +04:00
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if (!copy_ptr)
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2013-11-23 04:26:44 +04:00
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RETURN_ERROR(SP_ERR_ARG, "Null result pointer");
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2013-11-04 17:42:55 +04:00
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*copy_ptr = NULL;
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2013-11-23 04:26:44 +04:00
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if (!port)
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RETURN_ERROR(SP_ERR_ARG, "Null port");
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if (!port->name)
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RETURN_ERROR(SP_ERR_ARG, "Null port name");
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2013-11-04 17:42:55 +04:00
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2013-11-23 05:08:57 +04:00
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DEBUG("Copying port structure");
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2013-11-23 04:26:44 +04:00
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RETURN_VALUE("%p", sp_get_port_by_name(port->name, copy_ptr));
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2013-11-04 17:42:55 +04:00
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}
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2014-06-16 02:40:37 +04:00
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SP_API void sp_free_port(struct sp_port *port)
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2013-11-04 02:27:59 +04:00
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{
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2013-11-23 04:26:44 +04:00
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TRACE("%p", port);
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2013-11-26 19:12:20 +04:00
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if (!port) {
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2013-11-23 04:26:44 +04:00
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DEBUG("Null port");
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RETURN();
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}
|
2013-11-04 02:27:59 +04:00
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2013-11-23 05:08:57 +04:00
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DEBUG("Freeing port structure");
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2013-11-04 02:27:59 +04:00
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if (port->name)
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free(port->name);
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2014-05-31 00:49:04 +04:00
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if (port->description)
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free(port->description);
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if (port->usb_manufacturer)
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free(port->usb_manufacturer);
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if (port->usb_product)
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free(port->usb_product);
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if (port->usb_serial)
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free(port->usb_serial);
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if (port->bluetooth_address)
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free(port->bluetooth_address);
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#ifdef _WIN32
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if (port->usb_path)
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free(port->usb_path);
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#endif
|
2013-11-04 02:27:59 +04:00
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free(port);
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2013-11-23 04:26:44 +04:00
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RETURN();
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2013-11-04 02:27:59 +04:00
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|
}
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|
2014-06-16 02:40:37 +04:00
|
|
|
SP_PRIV struct sp_port **list_append(struct sp_port **list,
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|
|
|
const char *portname)
|
2013-04-28 14:56:06 +04:00
|
|
|
{
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|
void *tmp;
|
|
|
|
unsigned int count;
|
2013-11-14 20:33:53 +04:00
|
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|
2013-04-28 14:56:06 +04:00
|
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|
for (count = 0; list[count]; count++);
|
2013-11-04 01:17:21 +04:00
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|
if (!(tmp = realloc(list, sizeof(struct sp_port *) * (count + 2))))
|
2013-04-28 14:56:06 +04:00
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|
goto fail;
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|
|
list = tmp;
|
2013-11-04 02:15:54 +04:00
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|
|
if (sp_get_port_by_name(portname, &list[count]) != SP_OK)
|
2013-04-28 14:56:06 +04:00
|
|
|
goto fail;
|
2013-05-08 05:55:43 +04:00
|
|
|
list[count + 1] = NULL;
|
2013-04-28 14:56:06 +04:00
|
|
|
return list;
|
2013-11-14 20:33:53 +04:00
|
|
|
|
2013-04-28 14:56:06 +04:00
|
|
|
fail:
|
|
|
|
sp_free_port_list(list);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API enum sp_return sp_list_ports(struct sp_port ***list_ptr)
|
2013-04-28 14:56:06 +04:00
|
|
|
{
|
2013-11-04 01:17:21 +04:00
|
|
|
struct sp_port **list;
|
2014-06-14 01:52:16 +04:00
|
|
|
int ret;
|
2013-11-04 00:50:01 +04:00
|
|
|
|
2013-11-23 04:26:44 +04:00
|
|
|
TRACE("%p", list_ptr);
|
|
|
|
|
2013-11-23 15:39:59 +04:00
|
|
|
if (!list_ptr)
|
|
|
|
RETURN_ERROR(SP_ERR_ARG, "Null result pointer");
|
|
|
|
|
2013-11-23 05:08:57 +04:00
|
|
|
DEBUG("Enumerating ports");
|
|
|
|
|
2013-11-04 01:17:21 +04:00
|
|
|
if (!(list = malloc(sizeof(struct sp_port **))))
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_ERROR(SP_ERR_MEM, "Port list malloc failed");
|
2013-11-04 00:50:01 +04:00
|
|
|
|
|
|
|
list[0] = NULL;
|
2013-04-28 14:56:06 +04:00
|
|
|
|
2014-06-14 15:25:18 +04:00
|
|
|
#ifdef NO_ENUMERATION
|
|
|
|
ret = SP_ERR_SUPP;
|
|
|
|
#else
|
2014-06-14 01:52:16 +04:00
|
|
|
ret = list_ports(&list);
|
2014-06-14 15:25:18 +04:00
|
|
|
#endif
|
2013-11-04 02:15:54 +04:00
|
|
|
|
2013-11-23 15:57:17 +04:00
|
|
|
switch (ret) {
|
|
|
|
case SP_OK:
|
2013-11-04 02:15:54 +04:00
|
|
|
*list_ptr = list;
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_OK();
|
2013-11-23 15:57:17 +04:00
|
|
|
case SP_ERR_SUPP:
|
2013-12-08 00:18:27 +04:00
|
|
|
DEBUG_ERROR(SP_ERR_SUPP, "Enumeration not supported on this platform");
|
2013-11-23 15:57:17 +04:00
|
|
|
default:
|
2013-11-04 02:15:54 +04:00
|
|
|
if (list)
|
|
|
|
sp_free_port_list(list);
|
|
|
|
*list_ptr = NULL;
|
2013-11-23 04:26:44 +04:00
|
|
|
return ret;
|
2013-11-04 02:15:54 +04:00
|
|
|
}
|
2013-04-28 14:56:06 +04:00
|
|
|
}
|
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API void sp_free_port_list(struct sp_port **list)
|
2013-04-28 14:56:06 +04:00
|
|
|
{
|
|
|
|
unsigned int i;
|
2013-11-14 20:33:53 +04:00
|
|
|
|
2013-11-23 04:26:44 +04:00
|
|
|
TRACE("%p", list);
|
|
|
|
|
2013-11-23 15:39:59 +04:00
|
|
|
if (!list) {
|
|
|
|
DEBUG("Null list");
|
|
|
|
RETURN();
|
|
|
|
}
|
|
|
|
|
2013-11-23 05:08:57 +04:00
|
|
|
DEBUG("Freeing port list");
|
|
|
|
|
2013-04-28 14:56:06 +04:00
|
|
|
for (i = 0; list[i]; i++)
|
2013-11-04 02:27:59 +04:00
|
|
|
sp_free_port(list[i]);
|
2013-04-28 14:56:06 +04:00
|
|
|
free(list);
|
2013-11-23 04:26:44 +04:00
|
|
|
|
|
|
|
RETURN();
|
2013-04-28 14:56:06 +04:00
|
|
|
}
|
|
|
|
|
2013-11-23 04:26:44 +04:00
|
|
|
#define CHECK_PORT() do { \
|
|
|
|
if (port == NULL) \
|
|
|
|
RETURN_ERROR(SP_ERR_ARG, "Null port"); \
|
2013-11-23 15:39:59 +04:00
|
|
|
if (port->name == NULL) \
|
|
|
|
RETURN_ERROR(SP_ERR_ARG, "Null port name"); \
|
|
|
|
} while (0)
|
|
|
|
#ifdef _WIN32
|
|
|
|
#define CHECK_PORT_HANDLE() do { \
|
2013-11-23 04:26:44 +04:00
|
|
|
if (port->hdl == INVALID_HANDLE_VALUE) \
|
|
|
|
RETURN_ERROR(SP_ERR_ARG, "Invalid port handle"); \
|
2013-11-23 15:39:59 +04:00
|
|
|
} while (0)
|
2013-04-28 02:35:45 +04:00
|
|
|
#else
|
2013-11-23 15:39:59 +04:00
|
|
|
#define CHECK_PORT_HANDLE() do { \
|
2013-11-23 04:26:44 +04:00
|
|
|
if (port->fd < 0) \
|
|
|
|
RETURN_ERROR(SP_ERR_ARG, "Invalid port fd"); \
|
2013-11-23 15:39:59 +04:00
|
|
|
} while (0)
|
2013-04-28 02:35:45 +04:00
|
|
|
#endif
|
2013-11-23 15:39:59 +04:00
|
|
|
#define CHECK_OPEN_PORT() do { \
|
|
|
|
CHECK_PORT(); \
|
|
|
|
CHECK_PORT_HANDLE(); \
|
|
|
|
} while (0)
|
2013-04-28 02:35:45 +04:00
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API enum sp_return sp_open(struct sp_port *port, enum sp_mode flags)
|
2013-04-28 02:35:45 +04:00
|
|
|
{
|
2013-11-25 22:30:34 +04:00
|
|
|
struct port_data data;
|
|
|
|
struct sp_port_config config;
|
|
|
|
enum sp_return ret;
|
|
|
|
|
2013-11-26 19:12:20 +04:00
|
|
|
TRACE("%p, 0x%x", port, flags);
|
2013-11-23 04:26:44 +04:00
|
|
|
|
2013-11-23 15:39:59 +04:00
|
|
|
CHECK_PORT();
|
|
|
|
|
2013-11-26 02:12:10 +04:00
|
|
|
if (flags > (SP_MODE_READ | SP_MODE_WRITE))
|
2013-11-23 15:39:59 +04:00
|
|
|
RETURN_ERROR(SP_ERR_ARG, "Invalid flags");
|
2013-04-28 02:35:45 +04:00
|
|
|
|
2013-11-23 05:08:57 +04:00
|
|
|
DEBUG("Opening port %s", port->name);
|
|
|
|
|
2013-04-28 02:35:45 +04:00
|
|
|
#ifdef _WIN32
|
2013-12-17 21:19:55 +04:00
|
|
|
DWORD desired_access = 0, flags_and_attributes = 0, errors;
|
2013-11-04 17:08:09 +04:00
|
|
|
char *escaped_port_name;
|
2013-12-17 21:19:55 +04:00
|
|
|
COMSTAT status;
|
2013-11-04 17:08:09 +04:00
|
|
|
|
|
|
|
/* Prefix port name with '\\.\' to work with ports above COM9. */
|
2014-03-21 21:49:22 +04:00
|
|
|
if (!(escaped_port_name = malloc(strlen(port->name) + 5)))
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_ERROR(SP_ERR_MEM, "Escaped port name malloc failed");
|
2013-11-04 17:08:09 +04:00
|
|
|
sprintf(escaped_port_name, "\\\\.\\%s", port->name);
|
|
|
|
|
2013-04-28 02:35:45 +04:00
|
|
|
/* Map 'flags' to the OS-specific settings. */
|
2013-11-26 02:12:10 +04:00
|
|
|
flags_and_attributes = FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED;
|
2013-11-20 19:54:10 +04:00
|
|
|
if (flags & SP_MODE_READ)
|
|
|
|
desired_access |= GENERIC_READ;
|
|
|
|
if (flags & SP_MODE_WRITE)
|
2013-04-28 02:35:45 +04:00
|
|
|
desired_access |= GENERIC_WRITE;
|
|
|
|
|
2013-11-04 17:08:09 +04:00
|
|
|
port->hdl = CreateFile(escaped_port_name, desired_access, 0, 0,
|
2013-04-28 02:35:45 +04:00
|
|
|
OPEN_EXISTING, flags_and_attributes, 0);
|
2013-11-04 17:08:09 +04:00
|
|
|
|
|
|
|
free(escaped_port_name);
|
|
|
|
|
2013-04-28 02:35:45 +04:00
|
|
|
if (port->hdl == INVALID_HANDLE_VALUE)
|
2013-11-26 02:12:10 +04:00
|
|
|
RETURN_FAIL("port CreateFile() failed");
|
|
|
|
|
|
|
|
/* All timeouts initially disabled. */
|
|
|
|
port->timeouts.ReadIntervalTimeout = 0;
|
|
|
|
port->timeouts.ReadTotalTimeoutMultiplier = 0;
|
|
|
|
port->timeouts.ReadTotalTimeoutConstant = 0;
|
|
|
|
port->timeouts.WriteTotalTimeoutMultiplier = 0;
|
|
|
|
port->timeouts.WriteTotalTimeoutConstant = 0;
|
2013-11-25 15:47:19 +04:00
|
|
|
|
2013-11-26 02:12:10 +04:00
|
|
|
if (SetCommTimeouts(port->hdl, &port->timeouts) == 0) {
|
2013-11-25 15:47:19 +04:00
|
|
|
sp_close(port);
|
|
|
|
RETURN_FAIL("SetCommTimeouts() failed");
|
|
|
|
}
|
2013-11-26 02:12:10 +04:00
|
|
|
|
|
|
|
/* Prepare OVERLAPPED structures. */
|
2013-12-20 20:02:57 +04:00
|
|
|
#define INIT_OVERLAPPED(ovl) do { \
|
|
|
|
memset(&port->ovl, 0, sizeof(port->ovl)); \
|
|
|
|
port->ovl.hEvent = INVALID_HANDLE_VALUE; \
|
|
|
|
if ((port->ovl.hEvent = CreateEvent(NULL, TRUE, TRUE, NULL)) \
|
|
|
|
== INVALID_HANDLE_VALUE) { \
|
|
|
|
sp_close(port); \
|
|
|
|
RETURN_FAIL(#ovl "CreateEvent() failed"); \
|
|
|
|
} \
|
|
|
|
} while (0)
|
|
|
|
|
|
|
|
INIT_OVERLAPPED(read_ovl);
|
|
|
|
INIT_OVERLAPPED(write_ovl);
|
|
|
|
INIT_OVERLAPPED(wait_ovl);
|
|
|
|
|
|
|
|
/* Set event mask for RX and error events. */
|
|
|
|
if (SetCommMask(port->hdl, EV_RXCHAR | EV_ERR) == 0) {
|
2013-11-26 02:12:10 +04:00
|
|
|
sp_close(port);
|
2013-12-20 20:02:57 +04:00
|
|
|
RETURN_FAIL("SetCommMask() failed");
|
2013-11-26 02:12:10 +04:00
|
|
|
}
|
2013-12-20 20:02:57 +04:00
|
|
|
|
|
|
|
/* Start background operation for RX and error events. */
|
|
|
|
if (WaitCommEvent(port->hdl, &port->events, &port->wait_ovl) == 0) {
|
|
|
|
if (GetLastError() != ERROR_IO_PENDING) {
|
|
|
|
sp_close(port);
|
|
|
|
RETURN_FAIL("WaitCommEvent() failed");
|
|
|
|
}
|
2013-11-26 02:12:10 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
port->writing = FALSE;
|
|
|
|
|
2013-04-28 02:35:45 +04:00
|
|
|
#else
|
2013-11-26 02:12:10 +04:00
|
|
|
int flags_local = O_NONBLOCK | O_NOCTTY;
|
2013-11-14 20:33:53 +04:00
|
|
|
|
2013-04-28 02:35:45 +04:00
|
|
|
/* Map 'flags' to the OS-specific settings. */
|
2013-11-20 19:54:10 +04:00
|
|
|
if (flags & (SP_MODE_READ | SP_MODE_WRITE))
|
2013-04-28 02:35:45 +04:00
|
|
|
flags_local |= O_RDWR;
|
2013-11-20 19:54:10 +04:00
|
|
|
else if (flags & SP_MODE_READ)
|
2013-04-28 02:35:45 +04:00
|
|
|
flags_local |= O_RDONLY;
|
2013-11-20 19:54:10 +04:00
|
|
|
else if (flags & SP_MODE_WRITE)
|
|
|
|
flags_local |= O_WRONLY;
|
2013-04-28 02:35:45 +04:00
|
|
|
|
|
|
|
if ((port->fd = open(port->name, flags_local)) < 0)
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_FAIL("open() failed");
|
2013-11-25 22:30:34 +04:00
|
|
|
#endif
|
2013-11-15 01:43:07 +04:00
|
|
|
|
2013-11-18 23:52:37 +04:00
|
|
|
ret = get_config(port, &data, &config);
|
|
|
|
|
2013-11-19 22:31:23 +04:00
|
|
|
if (ret < 0) {
|
2013-11-18 23:52:37 +04:00
|
|
|
sp_close(port);
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_CODEVAL(ret);
|
2013-11-18 23:52:37 +04:00
|
|
|
}
|
2013-11-15 01:43:07 +04:00
|
|
|
|
2013-11-25 22:30:34 +04:00
|
|
|
/* Set sane port settings. */
|
|
|
|
#ifdef _WIN32
|
|
|
|
data.dcb.fBinary = TRUE;
|
|
|
|
data.dcb.fDsrSensitivity = FALSE;
|
|
|
|
data.dcb.fErrorChar = FALSE;
|
|
|
|
data.dcb.fNull = FALSE;
|
|
|
|
data.dcb.fAbortOnError = TRUE;
|
|
|
|
#else
|
2013-11-25 21:55:37 +04:00
|
|
|
/* Turn off all fancy termios tricks, give us a raw channel. */
|
2013-11-26 11:12:15 +04:00
|
|
|
data.term.c_iflag &= ~(IGNBRK | BRKINT | PARMRK | ISTRIP | INLCR | IGNCR | ICRNL | IMAXBEL);
|
|
|
|
#ifdef IUCLC
|
|
|
|
data.term.c_iflag &= ~IUCLC;
|
|
|
|
#endif
|
|
|
|
data.term.c_oflag &= ~(OPOST | ONLCR | OCRNL | ONOCR | ONLRET);
|
|
|
|
#ifdef OLCUC
|
|
|
|
data.term.c_oflag &= ~OLCUC;
|
|
|
|
#endif
|
|
|
|
#ifdef NLDLY
|
|
|
|
data.term.c_oflag &= ~NLDLY;
|
|
|
|
#endif
|
|
|
|
#ifdef CRDLY
|
|
|
|
data.term.c_oflag &= ~CRDLY;
|
|
|
|
#endif
|
|
|
|
#ifdef TABDLY
|
|
|
|
data.term.c_oflag &= ~TABDLY;
|
|
|
|
#endif
|
|
|
|
#ifdef BSDLY
|
|
|
|
data.term.c_oflag &= ~BSDLY;
|
|
|
|
#endif
|
|
|
|
#ifdef VTDLY
|
|
|
|
data.term.c_oflag &= ~VTDLY;
|
|
|
|
#endif
|
|
|
|
#ifdef FFDLY
|
|
|
|
data.term.c_oflag &= ~FFDLY;
|
|
|
|
#endif
|
2013-11-25 21:55:37 +04:00
|
|
|
#ifdef OFILL
|
2013-11-15 01:43:07 +04:00
|
|
|
data.term.c_oflag &= ~OFILL;
|
|
|
|
#endif
|
2013-11-26 11:12:15 +04:00
|
|
|
data.term.c_lflag &= ~(ISIG | ICANON | ECHO | IEXTEN);
|
2013-11-26 02:12:10 +04:00
|
|
|
data.term.c_cc[VMIN] = 0;
|
2013-11-25 21:55:37 +04:00
|
|
|
data.term.c_cc[VTIME] = 0;
|
2013-11-15 01:43:07 +04:00
|
|
|
|
2013-11-25 21:55:37 +04:00
|
|
|
/* Ignore modem status lines; enable receiver; leave control lines alone on close. */
|
|
|
|
data.term.c_cflag |= (CLOCAL | CREAD | HUPCL);
|
2013-11-25 22:30:34 +04:00
|
|
|
#endif
|
2013-11-15 01:43:07 +04:00
|
|
|
|
2013-12-17 21:19:55 +04:00
|
|
|
#ifdef _WIN32
|
2013-12-18 01:17:16 +04:00
|
|
|
if (ClearCommError(port->hdl, &errors, &status) == 0)
|
|
|
|
RETURN_FAIL("ClearCommError() failed");
|
2013-12-17 21:19:55 +04:00
|
|
|
#endif
|
|
|
|
|
2013-11-18 23:52:37 +04:00
|
|
|
ret = set_config(port, &data, &config);
|
|
|
|
|
2013-11-19 22:31:23 +04:00
|
|
|
if (ret < 0) {
|
2013-11-18 23:52:37 +04:00
|
|
|
sp_close(port);
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_CODEVAL(ret);
|
2013-11-18 23:52:37 +04:00
|
|
|
}
|
2013-04-28 02:35:45 +04:00
|
|
|
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_OK();
|
2013-04-28 02:35:45 +04:00
|
|
|
}
|
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API enum sp_return sp_close(struct sp_port *port)
|
2013-04-28 02:35:45 +04:00
|
|
|
{
|
2013-11-23 04:26:44 +04:00
|
|
|
TRACE("%p", port);
|
|
|
|
|
2013-11-23 15:39:59 +04:00
|
|
|
CHECK_OPEN_PORT();
|
2013-04-28 02:35:45 +04:00
|
|
|
|
2013-11-23 05:08:57 +04:00
|
|
|
DEBUG("Closing port %s", port->name);
|
|
|
|
|
2013-04-28 02:35:45 +04:00
|
|
|
#ifdef _WIN32
|
|
|
|
/* Returns non-zero upon success, 0 upon failure. */
|
|
|
|
if (CloseHandle(port->hdl) == 0)
|
2013-11-26 02:12:10 +04:00
|
|
|
RETURN_FAIL("port CloseHandle() failed");
|
2013-11-19 00:00:15 +04:00
|
|
|
port->hdl = INVALID_HANDLE_VALUE;
|
2013-12-20 20:02:57 +04:00
|
|
|
|
|
|
|
/* Close event handles for overlapped structures. */
|
|
|
|
#define CLOSE_OVERLAPPED(ovl) do { \
|
|
|
|
if (port->ovl.hEvent != INVALID_HANDLE_VALUE && \
|
|
|
|
CloseHandle(port->ovl.hEvent) == 0) \
|
|
|
|
RETURN_FAIL(# ovl "event CloseHandle() failed"); \
|
|
|
|
} while (0)
|
|
|
|
CLOSE_OVERLAPPED(read_ovl);
|
|
|
|
CLOSE_OVERLAPPED(write_ovl);
|
|
|
|
CLOSE_OVERLAPPED(wait_ovl);
|
|
|
|
|
2013-04-28 02:35:45 +04:00
|
|
|
#else
|
|
|
|
/* Returns 0 upon success, -1 upon failure. */
|
|
|
|
if (close(port->fd) == -1)
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_FAIL("close() failed");
|
2013-11-19 00:00:15 +04:00
|
|
|
port->fd = -1;
|
2013-04-28 02:35:45 +04:00
|
|
|
#endif
|
|
|
|
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_OK();
|
2013-04-28 02:35:45 +04:00
|
|
|
}
|
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API enum sp_return sp_flush(struct sp_port *port, enum sp_buffer buffers)
|
2013-04-28 02:35:45 +04:00
|
|
|
{
|
2013-11-26 19:12:20 +04:00
|
|
|
TRACE("%p, 0x%x", port, buffers);
|
2013-11-23 04:26:44 +04:00
|
|
|
|
2013-11-23 15:39:59 +04:00
|
|
|
CHECK_OPEN_PORT();
|
|
|
|
|
|
|
|
if (buffers > SP_BUF_BOTH)
|
|
|
|
RETURN_ERROR(SP_ERR_ARG, "Invalid buffer selection");
|
2013-04-28 02:35:45 +04:00
|
|
|
|
2013-11-24 01:21:18 +04:00
|
|
|
const char *buffer_names[] = {"no", "input", "output", "both"};
|
2013-11-23 05:08:57 +04:00
|
|
|
|
|
|
|
DEBUG("Flushing %s buffers on port %s", buffer_names[buffers], port->name);
|
|
|
|
|
2013-04-28 02:35:45 +04:00
|
|
|
#ifdef _WIN32
|
2013-11-20 21:22:50 +04:00
|
|
|
DWORD flags = 0;
|
|
|
|
if (buffers & SP_BUF_INPUT)
|
|
|
|
flags |= PURGE_RXCLEAR;
|
|
|
|
if (buffers & SP_BUF_OUTPUT)
|
|
|
|
flags |= PURGE_TXCLEAR;
|
|
|
|
|
2013-04-28 02:35:45 +04:00
|
|
|
/* Returns non-zero upon success, 0 upon failure. */
|
2013-11-20 21:22:50 +04:00
|
|
|
if (PurgeComm(port->hdl, flags) == 0)
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_FAIL("PurgeComm() failed");
|
2013-04-28 02:35:45 +04:00
|
|
|
#else
|
2013-11-20 21:22:50 +04:00
|
|
|
int flags = 0;
|
|
|
|
if (buffers & SP_BUF_BOTH)
|
|
|
|
flags = TCIOFLUSH;
|
|
|
|
else if (buffers & SP_BUF_INPUT)
|
|
|
|
flags = TCIFLUSH;
|
2013-11-21 21:22:16 +04:00
|
|
|
else if (buffers & SP_BUF_OUTPUT)
|
2013-11-20 21:22:50 +04:00
|
|
|
flags = TCOFLUSH;
|
|
|
|
|
2013-04-28 02:35:45 +04:00
|
|
|
/* Returns 0 upon success, -1 upon failure. */
|
2013-11-20 21:22:50 +04:00
|
|
|
if (tcflush(port->fd, flags) < 0)
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_FAIL("tcflush() failed");
|
2013-04-28 02:35:45 +04:00
|
|
|
#endif
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_OK();
|
2013-04-28 02:35:45 +04:00
|
|
|
}
|
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API enum sp_return sp_drain(struct sp_port *port)
|
2013-11-20 21:30:50 +04:00
|
|
|
{
|
2013-11-23 04:26:44 +04:00
|
|
|
TRACE("%p", port);
|
|
|
|
|
2013-11-23 15:39:59 +04:00
|
|
|
CHECK_OPEN_PORT();
|
2013-11-20 21:30:50 +04:00
|
|
|
|
2013-11-23 05:08:57 +04:00
|
|
|
DEBUG("Draining port %s", port->name);
|
|
|
|
|
2013-11-20 21:30:50 +04:00
|
|
|
#ifdef _WIN32
|
|
|
|
/* Returns non-zero upon success, 0 upon failure. */
|
|
|
|
if (FlushFileBuffers(port->hdl) == 0)
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_FAIL("FlushFileBuffers() failed");
|
2013-11-27 18:31:54 +04:00
|
|
|
RETURN_OK();
|
2013-11-20 21:30:50 +04:00
|
|
|
#else
|
2013-11-27 18:31:54 +04:00
|
|
|
int result;
|
|
|
|
while (1) {
|
2013-12-06 00:24:05 +04:00
|
|
|
#ifdef __ANDROID__
|
|
|
|
int arg = 1;
|
|
|
|
result = ioctl(port->fd, TCSBRK, &arg);
|
|
|
|
#else
|
2013-11-27 18:31:54 +04:00
|
|
|
result = tcdrain(port->fd);
|
2013-12-06 00:24:05 +04:00
|
|
|
#endif
|
2013-11-27 18:31:54 +04:00
|
|
|
if (result < 0) {
|
|
|
|
if (errno == EINTR) {
|
|
|
|
DEBUG("tcdrain() was interrupted");
|
|
|
|
continue;
|
|
|
|
} else {
|
|
|
|
RETURN_FAIL("tcdrain() failed");
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
RETURN_OK();
|
|
|
|
}
|
|
|
|
}
|
2013-11-20 21:30:50 +04:00
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API enum sp_return sp_blocking_write(struct sp_port *port, const void *buf,
|
|
|
|
size_t count, unsigned int timeout)
|
2013-11-26 02:12:10 +04:00
|
|
|
{
|
|
|
|
TRACE("%p, %p, %d, %d", port, buf, count, timeout);
|
|
|
|
|
|
|
|
CHECK_OPEN_PORT();
|
|
|
|
|
|
|
|
if (!buf)
|
|
|
|
RETURN_ERROR(SP_ERR_ARG, "Null buffer");
|
|
|
|
|
|
|
|
if (timeout)
|
|
|
|
DEBUG("Writing %d bytes to port %s, timeout %d ms", count, port->name, timeout);
|
|
|
|
else
|
|
|
|
DEBUG("Writing %d bytes to port %s, no timeout", count, port->name);
|
|
|
|
|
|
|
|
if (count == 0)
|
|
|
|
RETURN_VALUE("0", 0);
|
|
|
|
|
|
|
|
#ifdef _WIN32
|
|
|
|
DWORD bytes_written = 0;
|
|
|
|
BOOL result;
|
|
|
|
|
|
|
|
/* Wait for previous non-blocking write to complete, if any. */
|
|
|
|
if (port->writing) {
|
|
|
|
DEBUG("Waiting for previous write to complete");
|
|
|
|
result = GetOverlappedResult(port->hdl, &port->write_ovl, &bytes_written, TRUE);
|
|
|
|
port->writing = 0;
|
|
|
|
if (!result)
|
|
|
|
RETURN_FAIL("Previous write failed to complete");
|
|
|
|
DEBUG("Previous write completed");
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Set timeout. */
|
|
|
|
port->timeouts.WriteTotalTimeoutConstant = timeout;
|
|
|
|
if (SetCommTimeouts(port->hdl, &port->timeouts) == 0)
|
|
|
|
RETURN_FAIL("SetCommTimeouts() failed");
|
|
|
|
|
|
|
|
/* Start write. */
|
|
|
|
if (WriteFile(port->hdl, buf, count, NULL, &port->write_ovl) == 0) {
|
|
|
|
if (GetLastError() == ERROR_IO_PENDING) {
|
|
|
|
DEBUG("Waiting for write to complete");
|
|
|
|
GetOverlappedResult(port->hdl, &port->write_ovl, &bytes_written, TRUE);
|
|
|
|
DEBUG("Write completed, %d/%d bytes written", bytes_written, count);
|
|
|
|
RETURN_VALUE("%d", bytes_written);
|
|
|
|
} else {
|
|
|
|
RETURN_FAIL("WriteFile() failed");
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
DEBUG("Write completed immediately");
|
|
|
|
RETURN_VALUE("%d", count);
|
|
|
|
}
|
|
|
|
#else
|
|
|
|
size_t bytes_written = 0;
|
|
|
|
unsigned char *ptr = (unsigned char *) buf;
|
|
|
|
struct timeval start, delta, now, end = {0, 0};
|
|
|
|
fd_set fds;
|
|
|
|
int result;
|
|
|
|
|
|
|
|
if (timeout) {
|
|
|
|
/* Get time at start of operation. */
|
|
|
|
gettimeofday(&start, NULL);
|
|
|
|
/* Define duration of timeout. */
|
|
|
|
delta.tv_sec = timeout / 1000;
|
2013-11-27 15:11:55 +04:00
|
|
|
delta.tv_usec = (timeout % 1000) * 1000;
|
2013-11-26 02:12:10 +04:00
|
|
|
/* Calculate time at which we should give up. */
|
|
|
|
timeradd(&start, &delta, &end);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Loop until we have written the requested number of bytes. */
|
|
|
|
while (bytes_written < count)
|
|
|
|
{
|
|
|
|
/* Wait until space is available. */
|
|
|
|
FD_ZERO(&fds);
|
|
|
|
FD_SET(port->fd, &fds);
|
|
|
|
if (timeout) {
|
|
|
|
gettimeofday(&now, NULL);
|
|
|
|
if (timercmp(&now, &end, >)) {
|
|
|
|
DEBUG("write timed out");
|
|
|
|
RETURN_VALUE("%d", bytes_written);
|
|
|
|
}
|
|
|
|
timersub(&end, &now, &delta);
|
|
|
|
}
|
|
|
|
result = select(port->fd + 1, NULL, &fds, NULL, timeout ? &delta : NULL);
|
2013-11-27 16:42:27 +04:00
|
|
|
if (result < 0) {
|
|
|
|
if (errno == EINTR) {
|
|
|
|
DEBUG("select() call was interrupted, repeating");
|
|
|
|
continue;
|
|
|
|
} else {
|
|
|
|
RETURN_FAIL("select() failed");
|
|
|
|
}
|
|
|
|
} else if (result == 0) {
|
2013-11-26 02:12:10 +04:00
|
|
|
DEBUG("write timed out");
|
|
|
|
RETURN_VALUE("%d", bytes_written);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Do write. */
|
|
|
|
result = write(port->fd, ptr, count - bytes_written);
|
|
|
|
|
|
|
|
if (result < 0) {
|
|
|
|
if (errno == EAGAIN)
|
|
|
|
/* This shouldn't happen because we did a select() first, but handle anyway. */
|
|
|
|
continue;
|
|
|
|
else
|
|
|
|
/* This is an actual failure. */
|
|
|
|
RETURN_FAIL("write() failed");
|
|
|
|
}
|
|
|
|
|
|
|
|
bytes_written += result;
|
|
|
|
ptr += result;
|
|
|
|
}
|
|
|
|
|
|
|
|
RETURN_VALUE("%d", bytes_written);
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API enum sp_return sp_nonblocking_write(struct sp_port *port,
|
|
|
|
const void *buf, size_t count)
|
2013-04-28 02:35:45 +04:00
|
|
|
{
|
2013-11-23 04:26:44 +04:00
|
|
|
TRACE("%p, %p, %d", port, buf, count);
|
|
|
|
|
2013-11-23 15:39:59 +04:00
|
|
|
CHECK_OPEN_PORT();
|
2013-04-28 02:35:45 +04:00
|
|
|
|
|
|
|
if (!buf)
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_ERROR(SP_ERR_ARG, "Null buffer");
|
2013-04-28 02:35:45 +04:00
|
|
|
|
2013-11-23 05:08:57 +04:00
|
|
|
DEBUG("Writing up to %d bytes to port %s", count, port->name);
|
|
|
|
|
2013-11-25 15:47:19 +04:00
|
|
|
if (count == 0)
|
|
|
|
RETURN_VALUE("0", 0);
|
|
|
|
|
2013-04-28 02:35:45 +04:00
|
|
|
#ifdef _WIN32
|
|
|
|
DWORD written = 0;
|
2013-11-25 19:21:19 +04:00
|
|
|
BYTE *ptr = (BYTE *) buf;
|
2013-11-14 20:33:53 +04:00
|
|
|
|
2013-11-26 02:12:10 +04:00
|
|
|
/* Check whether previous write is complete. */
|
|
|
|
if (port->writing) {
|
|
|
|
if (HasOverlappedIoCompleted(&port->write_ovl)) {
|
|
|
|
DEBUG("Previous write completed");
|
|
|
|
port->writing = 0;
|
|
|
|
} else {
|
|
|
|
DEBUG("Previous write not complete");
|
|
|
|
/* Can't take a new write until the previous one finishes. */
|
|
|
|
RETURN_VALUE("0", 0);
|
2013-11-25 15:47:19 +04:00
|
|
|
}
|
2013-11-26 02:12:10 +04:00
|
|
|
}
|
2013-11-25 15:47:19 +04:00
|
|
|
|
2013-11-26 02:12:10 +04:00
|
|
|
/* Set timeout. */
|
|
|
|
port->timeouts.WriteTotalTimeoutConstant = 0;
|
|
|
|
if (SetCommTimeouts(port->hdl, &port->timeouts) == 0)
|
|
|
|
RETURN_FAIL("SetCommTimeouts() failed");
|
|
|
|
|
|
|
|
/* Keep writing data until the OS has to actually start an async IO for it.
|
|
|
|
* At that point we know the buffer is full. */
|
|
|
|
while (written < count)
|
|
|
|
{
|
|
|
|
/* Copy first byte of user buffer. */
|
|
|
|
port->pending_byte = *ptr++;
|
|
|
|
|
|
|
|
/* Start asynchronous write. */
|
|
|
|
if (WriteFile(port->hdl, &port->pending_byte, 1, NULL, &port->write_ovl) == 0) {
|
|
|
|
if (GetLastError() == ERROR_IO_PENDING) {
|
2013-12-08 00:16:38 +04:00
|
|
|
if (HasOverlappedIoCompleted(&port->write_ovl)) {
|
|
|
|
DEBUG("Asynchronous write completed immediately");
|
|
|
|
port->writing = 0;
|
|
|
|
written++;
|
|
|
|
continue;
|
|
|
|
} else {
|
|
|
|
DEBUG("Asynchronous write running");
|
|
|
|
port->writing = 1;
|
|
|
|
RETURN_VALUE("%d", ++written);
|
|
|
|
}
|
2013-11-25 15:47:19 +04:00
|
|
|
} else {
|
2013-11-26 02:12:10 +04:00
|
|
|
/* Actual failure of some kind. */
|
|
|
|
RETURN_FAIL("WriteFile() failed");
|
2013-11-25 15:47:19 +04:00
|
|
|
}
|
2013-11-26 02:12:10 +04:00
|
|
|
} else {
|
2013-12-08 00:18:27 +04:00
|
|
|
DEBUG("Single byte written immediately");
|
2013-11-26 02:12:10 +04:00
|
|
|
written++;
|
2013-11-25 15:47:19 +04:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2013-12-08 00:18:27 +04:00
|
|
|
DEBUG("All bytes written immediately");
|
2013-11-26 02:12:10 +04:00
|
|
|
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_VALUE("%d", written);
|
2013-04-28 02:35:45 +04:00
|
|
|
#else
|
|
|
|
/* Returns the number of bytes written, or -1 upon failure. */
|
|
|
|
ssize_t written = write(port->fd, buf, count);
|
2013-11-14 20:33:53 +04:00
|
|
|
|
2013-04-28 02:35:45 +04:00
|
|
|
if (written < 0)
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_FAIL("write() failed");
|
2013-04-28 02:35:45 +04:00
|
|
|
else
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_VALUE("%d", written);
|
2013-04-28 02:35:45 +04:00
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API enum sp_return sp_blocking_read(struct sp_port *port, void *buf,
|
|
|
|
size_t count, unsigned int timeout)
|
2013-11-26 02:12:10 +04:00
|
|
|
{
|
|
|
|
TRACE("%p, %p, %d, %d", port, buf, count, timeout);
|
|
|
|
|
|
|
|
CHECK_OPEN_PORT();
|
|
|
|
|
|
|
|
if (!buf)
|
|
|
|
RETURN_ERROR(SP_ERR_ARG, "Null buffer");
|
|
|
|
|
|
|
|
if (timeout)
|
|
|
|
DEBUG("Reading %d bytes from port %s, timeout %d ms", count, port->name, timeout);
|
|
|
|
else
|
|
|
|
DEBUG("Reading %d bytes from port %s, no timeout", count, port->name);
|
|
|
|
|
|
|
|
if (count == 0)
|
|
|
|
RETURN_VALUE("0", 0);
|
|
|
|
|
|
|
|
#ifdef _WIN32
|
|
|
|
DWORD bytes_read = 0;
|
|
|
|
|
|
|
|
/* Set timeout. */
|
|
|
|
port->timeouts.ReadIntervalTimeout = 0;
|
|
|
|
port->timeouts.ReadTotalTimeoutConstant = timeout;
|
|
|
|
if (SetCommTimeouts(port->hdl, &port->timeouts) == 0)
|
|
|
|
RETURN_FAIL("SetCommTimeouts() failed");
|
|
|
|
|
|
|
|
/* Start read. */
|
|
|
|
if (ReadFile(port->hdl, buf, count, NULL, &port->read_ovl) == 0) {
|
|
|
|
if (GetLastError() == ERROR_IO_PENDING) {
|
|
|
|
DEBUG("Waiting for read to complete");
|
|
|
|
GetOverlappedResult(port->hdl, &port->read_ovl, &bytes_read, TRUE);
|
|
|
|
DEBUG("Read completed, %d/%d bytes read", bytes_read, count);
|
|
|
|
} else {
|
|
|
|
RETURN_FAIL("ReadFile() failed");
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
DEBUG("Read completed immediately");
|
2013-12-20 20:02:57 +04:00
|
|
|
bytes_read = count;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Start background operation for subsequent events. */
|
|
|
|
if (WaitCommEvent(port->hdl, &port->events, &port->wait_ovl) == 0) {
|
|
|
|
if (GetLastError() != ERROR_IO_PENDING)
|
|
|
|
RETURN_FAIL("WaitCommEvent() failed");
|
2013-11-26 02:12:10 +04:00
|
|
|
}
|
2013-12-20 20:02:57 +04:00
|
|
|
|
|
|
|
RETURN_VALUE("%d", bytes_read);
|
|
|
|
|
2013-11-26 02:12:10 +04:00
|
|
|
#else
|
|
|
|
size_t bytes_read = 0;
|
|
|
|
unsigned char *ptr = (unsigned char *) buf;
|
|
|
|
struct timeval start, delta, now, end = {0, 0};
|
|
|
|
fd_set fds;
|
|
|
|
int result;
|
|
|
|
|
|
|
|
if (timeout) {
|
|
|
|
/* Get time at start of operation. */
|
|
|
|
gettimeofday(&start, NULL);
|
|
|
|
/* Define duration of timeout. */
|
|
|
|
delta.tv_sec = timeout / 1000;
|
2013-11-27 15:11:55 +04:00
|
|
|
delta.tv_usec = (timeout % 1000) * 1000;
|
2013-11-26 02:12:10 +04:00
|
|
|
/* Calculate time at which we should give up. */
|
|
|
|
timeradd(&start, &delta, &end);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Loop until we have the requested number of bytes. */
|
|
|
|
while (bytes_read < count)
|
|
|
|
{
|
|
|
|
/* Wait until data is available. */
|
|
|
|
FD_ZERO(&fds);
|
|
|
|
FD_SET(port->fd, &fds);
|
|
|
|
if (timeout) {
|
|
|
|
gettimeofday(&now, NULL);
|
|
|
|
if (timercmp(&now, &end, >))
|
|
|
|
/* Timeout has expired. */
|
|
|
|
RETURN_VALUE("%d", bytes_read);
|
|
|
|
timersub(&end, &now, &delta);
|
|
|
|
}
|
|
|
|
result = select(port->fd + 1, &fds, NULL, NULL, timeout ? &delta : NULL);
|
2013-11-27 16:42:27 +04:00
|
|
|
if (result < 0) {
|
|
|
|
if (errno == EINTR) {
|
|
|
|
DEBUG("select() call was interrupted, repeating");
|
|
|
|
continue;
|
|
|
|
} else {
|
|
|
|
RETURN_FAIL("select() failed");
|
|
|
|
}
|
|
|
|
} else if (result == 0) {
|
2013-11-26 02:12:10 +04:00
|
|
|
DEBUG("read timed out");
|
|
|
|
RETURN_VALUE("%d", bytes_read);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Do read. */
|
|
|
|
result = read(port->fd, ptr, count - bytes_read);
|
|
|
|
|
|
|
|
if (result < 0) {
|
|
|
|
if (errno == EAGAIN)
|
|
|
|
/* This shouldn't happen because we did a select() first, but handle anyway. */
|
|
|
|
continue;
|
|
|
|
else
|
|
|
|
/* This is an actual failure. */
|
|
|
|
RETURN_FAIL("read() failed");
|
|
|
|
}
|
|
|
|
|
|
|
|
bytes_read += result;
|
|
|
|
ptr += result;
|
|
|
|
}
|
|
|
|
|
|
|
|
RETURN_VALUE("%d", bytes_read);
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API enum sp_return sp_nonblocking_read(struct sp_port *port, void *buf,
|
|
|
|
size_t count)
|
2013-04-28 02:35:45 +04:00
|
|
|
{
|
2013-11-23 04:26:44 +04:00
|
|
|
TRACE("%p, %p, %d", port, buf, count);
|
|
|
|
|
2013-11-23 15:39:59 +04:00
|
|
|
CHECK_OPEN_PORT();
|
2013-04-28 02:35:45 +04:00
|
|
|
|
|
|
|
if (!buf)
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_ERROR(SP_ERR_ARG, "Null buffer");
|
2013-04-28 02:35:45 +04:00
|
|
|
|
2013-11-23 05:08:57 +04:00
|
|
|
DEBUG("Reading up to %d bytes from port %s", count, port->name);
|
|
|
|
|
2013-04-28 02:35:45 +04:00
|
|
|
#ifdef _WIN32
|
2013-11-26 02:12:10 +04:00
|
|
|
DWORD bytes_read;
|
2013-11-14 20:33:53 +04:00
|
|
|
|
2013-11-26 02:12:10 +04:00
|
|
|
/* Set timeout. */
|
|
|
|
port->timeouts.ReadIntervalTimeout = MAXDWORD;
|
|
|
|
port->timeouts.ReadTotalTimeoutConstant = 0;
|
|
|
|
if (SetCommTimeouts(port->hdl, &port->timeouts) == 0)
|
|
|
|
RETURN_FAIL("SetCommTimeouts() failed");
|
|
|
|
|
|
|
|
/* Do read. */
|
|
|
|
if (ReadFile(port->hdl, buf, count, NULL, &port->read_ovl) == 0)
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_FAIL("ReadFile() failed");
|
2013-11-26 02:12:10 +04:00
|
|
|
|
|
|
|
/* Get number of bytes read. */
|
2013-12-07 20:50:27 +04:00
|
|
|
if (GetOverlappedResult(port->hdl, &port->read_ovl, &bytes_read, TRUE) == 0)
|
|
|
|
RETURN_FAIL("GetOverlappedResult() failed");
|
2013-11-26 02:12:10 +04:00
|
|
|
|
2013-12-20 20:02:57 +04:00
|
|
|
if (bytes_read > 0) {
|
|
|
|
/* Start background operation for subsequent events. */
|
|
|
|
if (WaitCommEvent(port->hdl, &port->events, &port->wait_ovl) == 0) {
|
|
|
|
if (GetLastError() != ERROR_IO_PENDING)
|
|
|
|
RETURN_FAIL("WaitCommEvent() failed");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_VALUE("%d", bytes_read);
|
2013-04-28 02:35:45 +04:00
|
|
|
#else
|
|
|
|
ssize_t bytes_read;
|
2013-11-14 20:33:53 +04:00
|
|
|
|
2013-04-28 02:35:45 +04:00
|
|
|
/* Returns the number of bytes read, or -1 upon failure. */
|
2013-11-25 14:23:13 +04:00
|
|
|
if ((bytes_read = read(port->fd, buf, count)) < 0) {
|
2013-11-26 02:12:10 +04:00
|
|
|
if (errno == EAGAIN)
|
|
|
|
/* No bytes available. */
|
2013-11-25 14:23:13 +04:00
|
|
|
bytes_read = 0;
|
|
|
|
else
|
|
|
|
/* This is an actual failure. */
|
|
|
|
RETURN_FAIL("read() failed");
|
|
|
|
}
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_VALUE("%d", bytes_read);
|
2013-04-28 02:35:45 +04:00
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API enum sp_return sp_input_waiting(struct sp_port *port)
|
2013-11-27 06:55:18 +04:00
|
|
|
{
|
|
|
|
TRACE("%p", port);
|
|
|
|
|
|
|
|
CHECK_OPEN_PORT();
|
|
|
|
|
|
|
|
DEBUG("Checking input bytes waiting on port %s", port->name);
|
|
|
|
|
|
|
|
#ifdef _WIN32
|
|
|
|
DWORD errors;
|
|
|
|
COMSTAT comstat;
|
|
|
|
|
|
|
|
if (ClearCommError(port->hdl, &errors, &comstat) == 0)
|
2013-12-18 01:17:16 +04:00
|
|
|
RETURN_FAIL("ClearCommError() failed");
|
2013-11-27 06:55:18 +04:00
|
|
|
RETURN_VALUE("%d", comstat.cbInQue);
|
|
|
|
#else
|
|
|
|
int bytes_waiting;
|
|
|
|
if (ioctl(port->fd, TIOCINQ, &bytes_waiting) < 0)
|
|
|
|
RETURN_FAIL("TIOCINQ ioctl failed");
|
|
|
|
RETURN_VALUE("%d", bytes_waiting);
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API enum sp_return sp_output_waiting(struct sp_port *port)
|
2013-11-27 06:55:18 +04:00
|
|
|
{
|
|
|
|
TRACE("%p", port);
|
|
|
|
|
|
|
|
CHECK_OPEN_PORT();
|
|
|
|
|
|
|
|
DEBUG("Checking output bytes waiting on port %s", port->name);
|
|
|
|
|
|
|
|
#ifdef _WIN32
|
|
|
|
DWORD errors;
|
|
|
|
COMSTAT comstat;
|
|
|
|
|
|
|
|
if (ClearCommError(port->hdl, &errors, &comstat) == 0)
|
2013-12-18 01:17:16 +04:00
|
|
|
RETURN_FAIL("ClearCommError() failed");
|
2013-11-27 06:55:18 +04:00
|
|
|
RETURN_VALUE("%d", comstat.cbOutQue);
|
|
|
|
#else
|
|
|
|
int bytes_waiting;
|
|
|
|
if (ioctl(port->fd, TIOCOUTQ, &bytes_waiting) < 0)
|
|
|
|
RETURN_FAIL("TIOCOUTQ ioctl failed");
|
|
|
|
RETURN_VALUE("%d", bytes_waiting);
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API enum sp_return sp_new_event_set(struct sp_event_set **result_ptr)
|
2013-12-20 20:02:57 +04:00
|
|
|
{
|
|
|
|
struct sp_event_set *result;
|
|
|
|
|
|
|
|
TRACE("%p", result_ptr);
|
|
|
|
|
|
|
|
if (!result_ptr)
|
|
|
|
RETURN_ERROR(SP_ERR_ARG, "Null result");
|
|
|
|
|
|
|
|
*result_ptr = NULL;
|
|
|
|
|
|
|
|
if (!(result = malloc(sizeof(struct sp_event_set))))
|
|
|
|
RETURN_ERROR(SP_ERR_MEM, "sp_event_set malloc() failed");
|
|
|
|
|
|
|
|
memset(result, 0, sizeof(struct sp_event_set));
|
|
|
|
|
|
|
|
*result_ptr = result;
|
|
|
|
|
|
|
|
RETURN_OK();
|
|
|
|
}
|
|
|
|
|
|
|
|
static enum sp_return add_handle(struct sp_event_set *event_set,
|
|
|
|
event_handle handle, enum sp_event mask)
|
|
|
|
{
|
|
|
|
void *new_handles;
|
|
|
|
enum sp_event *new_masks;
|
|
|
|
|
|
|
|
TRACE("%p, %d, %d", event_set, handle, mask);
|
|
|
|
|
|
|
|
if (!(new_handles = realloc(event_set->handles,
|
|
|
|
sizeof(event_handle) * (event_set->count + 1))))
|
|
|
|
RETURN_ERROR(SP_ERR_MEM, "handle array realloc() failed");
|
|
|
|
|
|
|
|
if (!(new_masks = realloc(event_set->masks,
|
|
|
|
sizeof(enum sp_event) * (event_set->count + 1))))
|
|
|
|
RETURN_ERROR(SP_ERR_MEM, "mask array realloc() failed");
|
|
|
|
|
|
|
|
event_set->handles = new_handles;
|
|
|
|
event_set->masks = new_masks;
|
|
|
|
|
|
|
|
((event_handle *) event_set->handles)[event_set->count] = handle;
|
|
|
|
event_set->masks[event_set->count] = mask;
|
|
|
|
|
|
|
|
event_set->count++;
|
|
|
|
|
|
|
|
RETURN_OK();
|
|
|
|
}
|
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API enum sp_return sp_add_port_events(struct sp_event_set *event_set,
|
2013-12-20 20:02:57 +04:00
|
|
|
const struct sp_port *port, enum sp_event mask)
|
|
|
|
{
|
|
|
|
TRACE("%p, %p, %d", event_set, port, mask);
|
|
|
|
|
|
|
|
if (!event_set)
|
|
|
|
RETURN_ERROR(SP_ERR_ARG, "Null event set");
|
|
|
|
|
|
|
|
if (!port)
|
|
|
|
RETURN_ERROR(SP_ERR_ARG, "Null port");
|
|
|
|
|
|
|
|
if (mask > (SP_EVENT_RX_READY | SP_EVENT_TX_READY | SP_EVENT_ERROR))
|
|
|
|
RETURN_ERROR(SP_ERR_ARG, "Invalid event mask");
|
|
|
|
|
|
|
|
if (!mask)
|
|
|
|
RETURN_OK();
|
|
|
|
|
|
|
|
#ifdef _WIN32
|
|
|
|
enum sp_event handle_mask;
|
|
|
|
if ((handle_mask = mask & SP_EVENT_TX_READY))
|
|
|
|
TRY(add_handle(event_set, port->write_ovl.hEvent, handle_mask));
|
|
|
|
if ((handle_mask = mask & (SP_EVENT_RX_READY | SP_EVENT_ERROR)))
|
|
|
|
TRY(add_handle(event_set, port->wait_ovl.hEvent, handle_mask));
|
|
|
|
#else
|
|
|
|
TRY(add_handle(event_set, port->fd, mask));
|
|
|
|
#endif
|
|
|
|
|
|
|
|
RETURN_OK();
|
|
|
|
}
|
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API void sp_free_event_set(struct sp_event_set *event_set)
|
2013-12-20 20:02:57 +04:00
|
|
|
{
|
|
|
|
TRACE("%p", event_set);
|
|
|
|
|
|
|
|
if (!event_set) {
|
|
|
|
DEBUG("Null event set");
|
|
|
|
RETURN();
|
|
|
|
}
|
|
|
|
|
|
|
|
DEBUG("Freeing event set");
|
|
|
|
|
|
|
|
if (event_set->handles)
|
|
|
|
free(event_set->handles);
|
|
|
|
if (event_set->masks)
|
|
|
|
free(event_set->masks);
|
|
|
|
|
|
|
|
free(event_set);
|
|
|
|
|
|
|
|
RETURN();
|
|
|
|
}
|
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API enum sp_return sp_wait(struct sp_event_set *event_set,
|
|
|
|
unsigned int timeout)
|
2013-12-20 20:02:57 +04:00
|
|
|
{
|
|
|
|
TRACE("%p, %d", event_set, timeout);
|
|
|
|
|
|
|
|
if (!event_set)
|
|
|
|
RETURN_ERROR(SP_ERR_ARG, "Null event set");
|
|
|
|
|
|
|
|
#ifdef _WIN32
|
|
|
|
if (WaitForMultipleObjects(event_set->count, event_set->handles, FALSE,
|
|
|
|
timeout ? timeout : INFINITE) == WAIT_FAILED)
|
|
|
|
RETURN_FAIL("WaitForMultipleObjects() failed");
|
|
|
|
|
|
|
|
RETURN_OK();
|
|
|
|
#else
|
|
|
|
struct timeval start, delta, now, end = {0, 0};
|
|
|
|
int result, timeout_remaining;
|
|
|
|
struct pollfd *pollfds;
|
|
|
|
unsigned int i;
|
|
|
|
|
|
|
|
if (!(pollfds = malloc(sizeof(struct pollfd) * event_set->count)))
|
|
|
|
RETURN_ERROR(SP_ERR_MEM, "pollfds malloc() failed");
|
|
|
|
|
|
|
|
for (i = 0; i < event_set->count; i++) {
|
|
|
|
pollfds[i].fd = ((int *) event_set->handles)[i];
|
|
|
|
pollfds[i].events = 0;
|
|
|
|
pollfds[i].revents = 0;
|
|
|
|
if (event_set->masks[i] & SP_EVENT_RX_READY)
|
|
|
|
pollfds[i].events |= POLLIN;
|
|
|
|
if (event_set->masks[i] & SP_EVENT_TX_READY)
|
|
|
|
pollfds[i].events |= POLLOUT;
|
|
|
|
if (event_set->masks[i] & SP_EVENT_ERROR)
|
|
|
|
pollfds[i].events |= POLLERR;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (timeout) {
|
|
|
|
/* Get time at start of operation. */
|
|
|
|
gettimeofday(&start, NULL);
|
|
|
|
/* Define duration of timeout. */
|
|
|
|
delta.tv_sec = timeout / 1000;
|
|
|
|
delta.tv_usec = (timeout % 1000) * 1000;
|
|
|
|
/* Calculate time at which we should give up. */
|
|
|
|
timeradd(&start, &delta, &end);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Loop until an event occurs. */
|
|
|
|
while (1)
|
|
|
|
{
|
|
|
|
if (timeout) {
|
|
|
|
gettimeofday(&now, NULL);
|
|
|
|
if (timercmp(&now, &end, >)) {
|
|
|
|
DEBUG("wait timed out");
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
timersub(&end, &now, &delta);
|
|
|
|
timeout_remaining = delta.tv_sec * 1000 + delta.tv_usec / 1000;
|
|
|
|
}
|
|
|
|
|
|
|
|
result = poll(pollfds, event_set->count, timeout ? timeout_remaining : -1);
|
|
|
|
|
|
|
|
if (result < 0) {
|
|
|
|
if (errno == EINTR) {
|
|
|
|
DEBUG("poll() call was interrupted, repeating");
|
|
|
|
continue;
|
|
|
|
} else {
|
|
|
|
free(pollfds);
|
|
|
|
RETURN_FAIL("poll() failed");
|
|
|
|
}
|
|
|
|
} else if (result == 0) {
|
|
|
|
DEBUG("poll() timed out");
|
|
|
|
break;
|
|
|
|
} else {
|
|
|
|
DEBUG("poll() completed");
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
free(pollfds);
|
|
|
|
RETURN_OK();
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
2014-01-03 16:38:06 +04:00
|
|
|
#ifdef USE_TERMIOS_SPEED
|
2013-11-21 04:35:51 +04:00
|
|
|
static enum sp_return get_baudrate(int fd, int *baudrate)
|
|
|
|
{
|
|
|
|
void *data;
|
|
|
|
|
2013-11-23 04:26:44 +04:00
|
|
|
TRACE("%d, %p", fd, baudrate);
|
|
|
|
|
2013-11-23 05:08:57 +04:00
|
|
|
DEBUG("Getting baud rate");
|
|
|
|
|
2013-11-21 04:35:51 +04:00
|
|
|
if (!(data = malloc(get_termios_size())))
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_ERROR(SP_ERR_MEM, "termios malloc failed");
|
2013-11-21 04:35:51 +04:00
|
|
|
|
2013-11-22 22:43:41 +04:00
|
|
|
if (ioctl(fd, get_termios_get_ioctl(), data) < 0) {
|
|
|
|
free(data);
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_FAIL("getting termios failed");
|
2013-11-22 22:43:41 +04:00
|
|
|
}
|
2013-11-21 04:35:51 +04:00
|
|
|
|
|
|
|
*baudrate = get_termios_speed(data);
|
|
|
|
|
2013-11-22 22:43:41 +04:00
|
|
|
free(data);
|
|
|
|
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_OK();
|
2013-11-21 04:35:51 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
static enum sp_return set_baudrate(int fd, int baudrate)
|
|
|
|
{
|
|
|
|
void *data;
|
|
|
|
|
2013-11-23 04:26:44 +04:00
|
|
|
TRACE("%d, %d", fd, baudrate);
|
|
|
|
|
2013-11-23 05:08:57 +04:00
|
|
|
DEBUG("Getting baud rate");
|
|
|
|
|
2013-11-21 04:35:51 +04:00
|
|
|
if (!(data = malloc(get_termios_size())))
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_ERROR(SP_ERR_MEM, "termios malloc failed");
|
2013-11-21 04:35:51 +04:00
|
|
|
|
2013-11-22 22:43:41 +04:00
|
|
|
if (ioctl(fd, get_termios_get_ioctl(), data) < 0) {
|
|
|
|
free(data);
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_FAIL("getting termios failed");
|
2013-11-22 22:43:41 +04:00
|
|
|
}
|
2013-11-21 04:35:51 +04:00
|
|
|
|
2013-11-23 05:08:57 +04:00
|
|
|
DEBUG("Setting baud rate");
|
|
|
|
|
2013-11-21 04:35:51 +04:00
|
|
|
set_termios_speed(data, baudrate);
|
|
|
|
|
2013-11-22 22:43:41 +04:00
|
|
|
if (ioctl(fd, get_termios_set_ioctl(), data) < 0) {
|
|
|
|
free(data);
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_FAIL("setting termios failed");
|
2013-11-22 22:43:41 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
free(data);
|
2013-11-21 04:35:51 +04:00
|
|
|
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_OK();
|
2013-11-21 04:35:51 +04:00
|
|
|
}
|
2014-01-03 16:38:06 +04:00
|
|
|
#endif /* USE_TERMIOS_SPEED */
|
2013-11-21 15:52:41 +04:00
|
|
|
|
|
|
|
#ifdef USE_TERMIOX
|
2014-01-03 15:16:41 +04:00
|
|
|
static enum sp_return get_flow(int fd, struct port_data *data)
|
2013-11-21 15:52:41 +04:00
|
|
|
{
|
2014-01-03 15:16:41 +04:00
|
|
|
void *termx;
|
2013-11-21 15:52:41 +04:00
|
|
|
|
2014-01-03 15:16:41 +04:00
|
|
|
TRACE("%d, %p", fd, data);
|
2013-11-23 04:26:44 +04:00
|
|
|
|
2013-11-23 05:08:57 +04:00
|
|
|
DEBUG("Getting advanced flow control");
|
|
|
|
|
2014-01-03 15:16:41 +04:00
|
|
|
if (!(termx = malloc(get_termiox_size())))
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_ERROR(SP_ERR_MEM, "termiox malloc failed");
|
2013-11-21 15:52:41 +04:00
|
|
|
|
2014-01-03 15:16:41 +04:00
|
|
|
if (ioctl(fd, TCGETX, termx) < 0) {
|
|
|
|
free(termx);
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_FAIL("getting termiox failed");
|
2013-11-22 22:43:41 +04:00
|
|
|
}
|
2013-11-21 15:52:41 +04:00
|
|
|
|
2014-01-03 15:16:41 +04:00
|
|
|
get_termiox_flow(termx, &data->rts_flow, &data->cts_flow,
|
|
|
|
&data->dtr_flow, &data->dsr_flow);
|
2013-11-21 15:52:41 +04:00
|
|
|
|
2014-01-03 15:16:41 +04:00
|
|
|
free(termx);
|
2013-11-22 22:43:41 +04:00
|
|
|
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_OK();
|
2013-11-21 15:52:41 +04:00
|
|
|
}
|
|
|
|
|
2014-01-03 15:16:41 +04:00
|
|
|
static enum sp_return set_flow(int fd, struct port_data *data)
|
2013-11-21 15:52:41 +04:00
|
|
|
{
|
2014-01-03 15:16:41 +04:00
|
|
|
void *termx;
|
2013-11-21 15:52:41 +04:00
|
|
|
|
2014-01-03 15:16:41 +04:00
|
|
|
TRACE("%d, %p", fd, data);
|
2013-11-23 04:26:44 +04:00
|
|
|
|
2013-11-23 05:08:57 +04:00
|
|
|
DEBUG("Getting advanced flow control");
|
|
|
|
|
2014-01-03 15:16:41 +04:00
|
|
|
if (!(termx = malloc(get_termiox_size())))
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_ERROR(SP_ERR_MEM, "termiox malloc failed");
|
2013-11-21 15:52:41 +04:00
|
|
|
|
2014-01-03 15:16:41 +04:00
|
|
|
if (ioctl(fd, TCGETX, termx) < 0) {
|
|
|
|
free(termx);
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_FAIL("getting termiox failed");
|
2013-11-22 22:43:41 +04:00
|
|
|
}
|
2013-11-21 15:52:41 +04:00
|
|
|
|
2013-11-23 05:08:57 +04:00
|
|
|
DEBUG("Setting advanced flow control");
|
|
|
|
|
2014-01-03 15:16:41 +04:00
|
|
|
set_termiox_flow(termx, data->rts_flow, data->cts_flow,
|
|
|
|
data->dtr_flow, data->dsr_flow);
|
2013-11-21 15:52:41 +04:00
|
|
|
|
2014-01-03 15:16:41 +04:00
|
|
|
if (ioctl(fd, TCSETX, termx) < 0) {
|
|
|
|
free(termx);
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_FAIL("setting termiox failed");
|
2013-11-22 22:43:41 +04:00
|
|
|
}
|
|
|
|
|
2014-01-03 15:16:41 +04:00
|
|
|
free(termx);
|
2013-11-21 15:52:41 +04:00
|
|
|
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_OK();
|
2013-11-21 15:52:41 +04:00
|
|
|
}
|
|
|
|
#endif /* USE_TERMIOX */
|
2013-11-21 04:35:51 +04:00
|
|
|
|
2013-11-19 06:36:22 +04:00
|
|
|
static enum sp_return get_config(struct sp_port *port, struct port_data *data,
|
|
|
|
struct sp_port_config *config)
|
2013-11-14 17:09:52 +04:00
|
|
|
{
|
2013-11-15 03:24:51 +04:00
|
|
|
unsigned int i;
|
2013-11-15 00:30:26 +04:00
|
|
|
|
2013-11-23 04:26:44 +04:00
|
|
|
TRACE("%p, %p, %p", port, data, config);
|
|
|
|
|
2013-11-23 05:08:57 +04:00
|
|
|
DEBUG("Getting configuration for port %s", port->name);
|
|
|
|
|
2013-11-14 17:09:52 +04:00
|
|
|
#ifdef _WIN32
|
2013-11-18 23:52:37 +04:00
|
|
|
if (!GetCommState(port->hdl, &data->dcb))
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_FAIL("GetCommState() failed");
|
2013-11-14 17:09:52 +04:00
|
|
|
|
2013-11-17 00:55:53 +04:00
|
|
|
for (i = 0; i < NUM_STD_BAUDRATES; i++) {
|
2013-11-18 23:52:37 +04:00
|
|
|
if (data->dcb.BaudRate == std_baudrates[i].index) {
|
2013-11-17 00:55:53 +04:00
|
|
|
config->baudrate = std_baudrates[i].value;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (i == NUM_STD_BAUDRATES)
|
|
|
|
/* BaudRate field can be either an index or a custom baud rate. */
|
2013-11-18 23:52:37 +04:00
|
|
|
config->baudrate = data->dcb.BaudRate;
|
2013-11-17 00:55:53 +04:00
|
|
|
|
2013-11-18 23:52:37 +04:00
|
|
|
config->bits = data->dcb.ByteSize;
|
2013-11-17 00:55:53 +04:00
|
|
|
|
2013-11-18 23:52:37 +04:00
|
|
|
if (data->dcb.fParity)
|
|
|
|
switch (data->dcb.Parity) {
|
2013-11-17 00:55:53 +04:00
|
|
|
case NOPARITY:
|
|
|
|
config->parity = SP_PARITY_NONE;
|
|
|
|
break;
|
2013-11-25 22:05:58 +04:00
|
|
|
case ODDPARITY:
|
|
|
|
config->parity = SP_PARITY_ODD;
|
|
|
|
break;
|
2013-11-17 00:55:53 +04:00
|
|
|
case EVENPARITY:
|
|
|
|
config->parity = SP_PARITY_EVEN;
|
|
|
|
break;
|
2013-11-25 22:05:58 +04:00
|
|
|
case MARKPARITY:
|
|
|
|
config->parity = SP_PARITY_MARK;
|
|
|
|
break;
|
|
|
|
case SPACEPARITY:
|
|
|
|
config->parity = SP_PARITY_SPACE;
|
2013-11-17 00:55:53 +04:00
|
|
|
break;
|
|
|
|
default:
|
|
|
|
config->parity = -1;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
config->parity = SP_PARITY_NONE;
|
|
|
|
|
2013-11-18 23:52:37 +04:00
|
|
|
switch (data->dcb.StopBits) {
|
2013-11-17 00:55:53 +04:00
|
|
|
case ONESTOPBIT:
|
|
|
|
config->stopbits = 1;
|
|
|
|
break;
|
|
|
|
case TWOSTOPBITS:
|
|
|
|
config->stopbits = 2;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
config->stopbits = -1;
|
|
|
|
}
|
|
|
|
|
2013-11-18 23:52:37 +04:00
|
|
|
switch (data->dcb.fRtsControl) {
|
2013-11-19 22:31:23 +04:00
|
|
|
case RTS_CONTROL_DISABLE:
|
|
|
|
config->rts = SP_RTS_OFF;
|
|
|
|
break;
|
|
|
|
case RTS_CONTROL_ENABLE:
|
|
|
|
config->rts = SP_RTS_ON;
|
|
|
|
break;
|
|
|
|
case RTS_CONTROL_HANDSHAKE:
|
|
|
|
config->rts = SP_RTS_FLOW_CONTROL;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
config->rts = -1;
|
2013-11-17 00:55:53 +04:00
|
|
|
}
|
|
|
|
|
2013-11-18 23:52:37 +04:00
|
|
|
config->cts = data->dcb.fOutxCtsFlow ? SP_CTS_FLOW_CONTROL : SP_CTS_IGNORE;
|
2013-11-17 00:55:53 +04:00
|
|
|
|
2013-11-18 23:52:37 +04:00
|
|
|
switch (data->dcb.fDtrControl) {
|
2013-11-19 22:31:23 +04:00
|
|
|
case DTR_CONTROL_DISABLE:
|
|
|
|
config->dtr = SP_DTR_OFF;
|
|
|
|
break;
|
|
|
|
case DTR_CONTROL_ENABLE:
|
|
|
|
config->dtr = SP_DTR_ON;
|
|
|
|
break;
|
|
|
|
case DTR_CONTROL_HANDSHAKE:
|
|
|
|
config->dtr = SP_DTR_FLOW_CONTROL;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
config->dtr = -1;
|
2013-11-17 00:55:53 +04:00
|
|
|
}
|
|
|
|
|
2013-11-18 23:52:37 +04:00
|
|
|
config->dsr = data->dcb.fOutxDsrFlow ? SP_DSR_FLOW_CONTROL : SP_DSR_IGNORE;
|
|
|
|
|
2013-11-18 23:55:43 +04:00
|
|
|
if (data->dcb.fInX) {
|
|
|
|
if (data->dcb.fOutX)
|
|
|
|
config->xon_xoff = SP_XONXOFF_INOUT;
|
|
|
|
else
|
|
|
|
config->xon_xoff = SP_XONXOFF_IN;
|
|
|
|
} else {
|
|
|
|
if (data->dcb.fOutX)
|
|
|
|
config->xon_xoff = SP_XONXOFF_OUT;
|
|
|
|
else
|
|
|
|
config->xon_xoff = SP_XONXOFF_DISABLED;
|
|
|
|
}
|
|
|
|
|
2013-11-18 23:52:37 +04:00
|
|
|
#else // !_WIN32
|
|
|
|
|
|
|
|
if (tcgetattr(port->fd, &data->term) < 0)
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_FAIL("tcgetattr() failed");
|
2013-11-18 23:52:37 +04:00
|
|
|
|
|
|
|
if (ioctl(port->fd, TIOCMGET, &data->controlbits) < 0)
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_FAIL("TIOCMGET ioctl failed");
|
2013-11-21 15:52:41 +04:00
|
|
|
|
|
|
|
#ifdef USE_TERMIOX
|
2014-01-03 15:16:41 +04:00
|
|
|
int ret = get_flow(port->fd, data);
|
2013-11-22 23:00:24 +04:00
|
|
|
|
|
|
|
if (ret == SP_ERR_FAIL && errno == EINVAL)
|
|
|
|
data->termiox_supported = 0;
|
|
|
|
else if (ret < 0)
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_CODEVAL(ret);
|
2013-11-22 23:00:24 +04:00
|
|
|
else
|
|
|
|
data->termiox_supported = 1;
|
|
|
|
#else
|
|
|
|
data->termiox_supported = 0;
|
2013-11-21 15:52:41 +04:00
|
|
|
#endif
|
|
|
|
|
2013-11-17 00:55:53 +04:00
|
|
|
for (i = 0; i < NUM_STD_BAUDRATES; i++) {
|
2013-11-18 23:52:37 +04:00
|
|
|
if (cfgetispeed(&data->term) == std_baudrates[i].index) {
|
2013-11-17 00:55:53 +04:00
|
|
|
config->baudrate = std_baudrates[i].value;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2013-11-20 17:21:07 +04:00
|
|
|
if (i == NUM_STD_BAUDRATES) {
|
|
|
|
#ifdef __APPLE__
|
|
|
|
config->baudrate = (int)data->term.c_ispeed;
|
2014-01-03 16:38:06 +04:00
|
|
|
#elif defined(USE_TERMIOS_SPEED)
|
2013-11-21 04:35:51 +04:00
|
|
|
TRY(get_baudrate(port->fd, &config->baudrate));
|
2013-11-20 17:21:07 +04:00
|
|
|
#else
|
2013-11-17 00:55:53 +04:00
|
|
|
config->baudrate = -1;
|
2013-11-20 17:21:07 +04:00
|
|
|
#endif
|
|
|
|
}
|
2013-11-17 00:55:53 +04:00
|
|
|
|
2013-11-18 23:52:37 +04:00
|
|
|
switch (data->term.c_cflag & CSIZE) {
|
2013-11-17 00:55:53 +04:00
|
|
|
case CS8:
|
|
|
|
config->bits = 8;
|
|
|
|
break;
|
|
|
|
case CS7:
|
|
|
|
config->bits = 7;
|
|
|
|
break;
|
|
|
|
case CS6:
|
|
|
|
config->bits = 6;
|
|
|
|
break;
|
|
|
|
case CS5:
|
|
|
|
config->bits = 5;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
config->bits = -1;
|
|
|
|
}
|
|
|
|
|
2013-11-18 23:52:37 +04:00
|
|
|
if (!(data->term.c_cflag & PARENB) && (data->term.c_iflag & IGNPAR))
|
2013-11-17 00:55:53 +04:00
|
|
|
config->parity = SP_PARITY_NONE;
|
2013-11-18 23:52:37 +04:00
|
|
|
else if (!(data->term.c_cflag & PARENB) || (data->term.c_iflag & IGNPAR))
|
2013-11-17 00:55:53 +04:00
|
|
|
config->parity = -1;
|
2013-11-26 11:12:15 +04:00
|
|
|
#ifdef CMSPAR
|
2013-11-25 22:05:58 +04:00
|
|
|
else if (data->term.c_cflag & CMSPAR)
|
|
|
|
config->parity = (data->term.c_cflag & PARODD) ? SP_PARITY_MARK : SP_PARITY_SPACE;
|
2013-11-26 11:12:15 +04:00
|
|
|
#endif
|
2013-11-17 00:55:53 +04:00
|
|
|
else
|
2013-11-18 23:52:37 +04:00
|
|
|
config->parity = (data->term.c_cflag & PARODD) ? SP_PARITY_ODD : SP_PARITY_EVEN;
|
2013-11-17 00:55:53 +04:00
|
|
|
|
2013-11-18 23:52:37 +04:00
|
|
|
config->stopbits = (data->term.c_cflag & CSTOPB) ? 2 : 1;
|
2013-11-17 00:55:53 +04:00
|
|
|
|
2013-11-18 23:52:37 +04:00
|
|
|
if (data->term.c_cflag & CRTSCTS) {
|
2013-11-17 00:55:53 +04:00
|
|
|
config->rts = SP_RTS_FLOW_CONTROL;
|
|
|
|
config->cts = SP_CTS_FLOW_CONTROL;
|
|
|
|
} else {
|
2014-01-03 15:16:41 +04:00
|
|
|
if (data->termiox_supported && data->rts_flow)
|
2013-11-21 15:52:41 +04:00
|
|
|
config->rts = SP_RTS_FLOW_CONTROL;
|
|
|
|
else
|
|
|
|
config->rts = (data->controlbits & TIOCM_RTS) ? SP_RTS_ON : SP_RTS_OFF;
|
|
|
|
|
2014-01-03 15:16:41 +04:00
|
|
|
config->cts = (data->termiox_supported && data->cts_flow) ?
|
2013-11-22 23:00:24 +04:00
|
|
|
SP_CTS_FLOW_CONTROL : SP_CTS_IGNORE;
|
2013-11-17 00:55:53 +04:00
|
|
|
}
|
|
|
|
|
2014-01-03 15:16:41 +04:00
|
|
|
if (data->termiox_supported && data->dtr_flow)
|
2013-11-21 15:52:41 +04:00
|
|
|
config->dtr = SP_DTR_FLOW_CONTROL;
|
|
|
|
else
|
|
|
|
config->dtr = (data->controlbits & TIOCM_DTR) ? SP_DTR_ON : SP_DTR_OFF;
|
|
|
|
|
2014-01-03 15:16:41 +04:00
|
|
|
config->dsr = (data->termiox_supported && data->dsr_flow) ?
|
2013-11-22 23:00:24 +04:00
|
|
|
SP_DSR_FLOW_CONTROL : SP_DSR_IGNORE;
|
2013-11-19 22:20:50 +04:00
|
|
|
|
2013-11-20 00:46:52 +04:00
|
|
|
if (data->term.c_iflag & IXOFF) {
|
|
|
|
if (data->term.c_iflag & IXON)
|
|
|
|
config->xon_xoff = SP_XONXOFF_INOUT;
|
|
|
|
else
|
|
|
|
config->xon_xoff = SP_XONXOFF_IN;
|
|
|
|
} else {
|
|
|
|
if (data->term.c_iflag & IXON)
|
|
|
|
config->xon_xoff = SP_XONXOFF_OUT;
|
|
|
|
else
|
|
|
|
config->xon_xoff = SP_XONXOFF_DISABLED;
|
|
|
|
}
|
2013-11-17 00:55:53 +04:00
|
|
|
#endif
|
|
|
|
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_OK();
|
2013-11-17 00:55:53 +04:00
|
|
|
}
|
|
|
|
|
2013-11-21 04:35:51 +04:00
|
|
|
static enum sp_return set_config(struct sp_port *port, struct port_data *data,
|
2013-11-19 06:36:22 +04:00
|
|
|
const struct sp_port_config *config)
|
2013-11-15 02:43:03 +04:00
|
|
|
{
|
2013-11-18 23:52:37 +04:00
|
|
|
unsigned int i;
|
2013-11-20 17:21:07 +04:00
|
|
|
#ifdef __APPLE__
|
|
|
|
BAUD_TYPE baud_nonstd;
|
|
|
|
|
|
|
|
baud_nonstd = B0;
|
|
|
|
#endif
|
2014-01-03 16:38:06 +04:00
|
|
|
#ifdef USE_TERMIOS_SPEED
|
2013-11-21 04:35:51 +04:00
|
|
|
int baud_nonstd = 0;
|
|
|
|
#endif
|
2013-11-15 02:43:03 +04:00
|
|
|
|
2013-11-23 04:26:44 +04:00
|
|
|
TRACE("%p, %p, %p", port, data, config);
|
|
|
|
|
2013-11-23 05:08:57 +04:00
|
|
|
DEBUG("Setting configuration for port %s", port->name);
|
|
|
|
|
2013-11-18 23:52:37 +04:00
|
|
|
#ifdef _WIN32
|
2013-11-19 22:31:23 +04:00
|
|
|
if (config->baudrate >= 0) {
|
2013-11-18 23:52:37 +04:00
|
|
|
for (i = 0; i < NUM_STD_BAUDRATES; i++) {
|
|
|
|
if (config->baudrate == std_baudrates[i].value) {
|
|
|
|
data->dcb.BaudRate = std_baudrates[i].index;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
2013-11-15 02:43:03 +04:00
|
|
|
|
2013-11-18 23:52:37 +04:00
|
|
|
if (i == NUM_STD_BAUDRATES)
|
|
|
|
data->dcb.BaudRate = config->baudrate;
|
|
|
|
}
|
2013-11-15 02:43:03 +04:00
|
|
|
|
2013-11-18 23:52:37 +04:00
|
|
|
if (config->bits >= 0)
|
|
|
|
data->dcb.ByteSize = config->bits;
|
|
|
|
|
|
|
|
if (config->parity >= 0) {
|
|
|
|
switch (config->parity) {
|
|
|
|
case SP_PARITY_NONE:
|
|
|
|
data->dcb.Parity = NOPARITY;
|
|
|
|
break;
|
2013-11-25 22:05:58 +04:00
|
|
|
case SP_PARITY_ODD:
|
|
|
|
data->dcb.Parity = ODDPARITY;
|
|
|
|
break;
|
2013-11-18 23:52:37 +04:00
|
|
|
case SP_PARITY_EVEN:
|
|
|
|
data->dcb.Parity = EVENPARITY;
|
|
|
|
break;
|
2013-11-25 22:05:58 +04:00
|
|
|
case SP_PARITY_MARK:
|
|
|
|
data->dcb.Parity = MARKPARITY;
|
|
|
|
break;
|
|
|
|
case SP_PARITY_SPACE:
|
|
|
|
data->dcb.Parity = SPACEPARITY;
|
2013-11-18 23:52:37 +04:00
|
|
|
break;
|
|
|
|
default:
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_ERROR(SP_ERR_ARG, "Invalid parity setting");
|
2013-11-18 23:52:37 +04:00
|
|
|
}
|
2013-11-15 02:43:03 +04:00
|
|
|
}
|
|
|
|
|
2013-11-18 23:52:37 +04:00
|
|
|
if (config->stopbits >= 0) {
|
|
|
|
switch (config->stopbits) {
|
|
|
|
/* Note: There's also ONE5STOPBITS == 1.5 (unneeded so far). */
|
|
|
|
case 1:
|
|
|
|
data->dcb.StopBits = ONESTOPBIT;
|
|
|
|
break;
|
|
|
|
case 2:
|
|
|
|
data->dcb.StopBits = TWOSTOPBITS;
|
|
|
|
break;
|
|
|
|
default:
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_ERROR(SP_ERR_ARG, "Invalid stop bit setting");
|
2013-11-18 23:52:37 +04:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (config->rts >= 0) {
|
|
|
|
switch (config->rts) {
|
|
|
|
case SP_RTS_OFF:
|
|
|
|
data->dcb.fRtsControl = RTS_CONTROL_DISABLE;
|
|
|
|
break;
|
|
|
|
case SP_RTS_ON:
|
|
|
|
data->dcb.fRtsControl = RTS_CONTROL_ENABLE;
|
|
|
|
break;
|
|
|
|
case SP_RTS_FLOW_CONTROL:
|
|
|
|
data->dcb.fRtsControl = RTS_CONTROL_HANDSHAKE;
|
|
|
|
break;
|
|
|
|
default:
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_ERROR(SP_ERR_ARG, "Invalid RTS setting");
|
2013-11-18 23:52:37 +04:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (config->cts >= 0) {
|
|
|
|
switch (config->cts) {
|
|
|
|
case SP_CTS_IGNORE:
|
|
|
|
data->dcb.fOutxCtsFlow = FALSE;
|
|
|
|
break;
|
|
|
|
case SP_CTS_FLOW_CONTROL:
|
|
|
|
data->dcb.fOutxCtsFlow = TRUE;
|
|
|
|
break;
|
|
|
|
default:
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_ERROR(SP_ERR_ARG, "Invalid CTS setting");
|
2013-11-18 23:52:37 +04:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (config->dtr >= 0) {
|
|
|
|
switch (config->dtr) {
|
|
|
|
case SP_DTR_OFF:
|
|
|
|
data->dcb.fDtrControl = DTR_CONTROL_DISABLE;
|
|
|
|
break;
|
|
|
|
case SP_DTR_ON:
|
|
|
|
data->dcb.fDtrControl = DTR_CONTROL_ENABLE;
|
|
|
|
break;
|
|
|
|
case SP_DTR_FLOW_CONTROL:
|
|
|
|
data->dcb.fDtrControl = DTR_CONTROL_HANDSHAKE;
|
|
|
|
break;
|
|
|
|
default:
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_ERROR(SP_ERR_ARG, "Invalid DTR setting");
|
2013-11-18 23:52:37 +04:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (config->dsr >= 0) {
|
|
|
|
switch (config->dsr) {
|
|
|
|
case SP_DSR_IGNORE:
|
|
|
|
data->dcb.fOutxDsrFlow = FALSE;
|
|
|
|
break;
|
|
|
|
case SP_DSR_FLOW_CONTROL:
|
|
|
|
data->dcb.fOutxDsrFlow = TRUE;
|
|
|
|
break;
|
|
|
|
default:
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_ERROR(SP_ERR_ARG, "Invalid DSR setting");
|
2013-11-18 23:52:37 +04:00
|
|
|
}
|
2013-11-15 02:43:03 +04:00
|
|
|
}
|
|
|
|
|
2013-11-18 23:52:37 +04:00
|
|
|
if (config->xon_xoff >= 0) {
|
|
|
|
switch (config->xon_xoff) {
|
|
|
|
case SP_XONXOFF_DISABLED:
|
|
|
|
data->dcb.fInX = FALSE;
|
|
|
|
data->dcb.fOutX = FALSE;
|
|
|
|
break;
|
|
|
|
case SP_XONXOFF_IN:
|
|
|
|
data->dcb.fInX = TRUE;
|
|
|
|
data->dcb.fOutX = FALSE;
|
|
|
|
break;
|
|
|
|
case SP_XONXOFF_OUT:
|
|
|
|
data->dcb.fInX = FALSE;
|
|
|
|
data->dcb.fOutX = TRUE;
|
|
|
|
break;
|
|
|
|
case SP_XONXOFF_INOUT:
|
|
|
|
data->dcb.fInX = TRUE;
|
|
|
|
data->dcb.fOutX = TRUE;
|
|
|
|
break;
|
|
|
|
default:
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_ERROR(SP_ERR_ARG, "Invalid XON/XOFF setting");
|
2013-11-18 23:52:37 +04:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!SetCommState(port->hdl, &data->dcb))
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_FAIL("SetCommState() failed");
|
2013-11-18 23:52:37 +04:00
|
|
|
|
2013-11-20 17:21:07 +04:00
|
|
|
#else /* !_WIN32 */
|
2013-11-18 23:52:37 +04:00
|
|
|
|
2013-11-21 04:35:51 +04:00
|
|
|
int controlbits;
|
|
|
|
|
2013-11-19 22:31:23 +04:00
|
|
|
if (config->baudrate >= 0) {
|
2013-11-18 23:52:37 +04:00
|
|
|
for (i = 0; i < NUM_STD_BAUDRATES; i++) {
|
|
|
|
if (config->baudrate == std_baudrates[i].value) {
|
|
|
|
if (cfsetospeed(&data->term, std_baudrates[i].index) < 0)
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_FAIL("cfsetospeed() failed");
|
2013-11-18 23:52:37 +04:00
|
|
|
|
|
|
|
if (cfsetispeed(&data->term, std_baudrates[i].index) < 0)
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_FAIL("cfsetispeed() failed");
|
2013-11-18 23:52:37 +04:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2013-11-20 17:21:07 +04:00
|
|
|
/* Non-standard baud rate */
|
|
|
|
if (i == NUM_STD_BAUDRATES) {
|
|
|
|
#ifdef __APPLE__
|
2013-11-22 18:53:34 +04:00
|
|
|
/* Set "dummy" baud rate. */
|
2013-11-20 17:21:07 +04:00
|
|
|
if (cfsetspeed(&data->term, B9600) < 0)
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_FAIL("cfsetspeed() failed");
|
2013-11-20 17:21:07 +04:00
|
|
|
baud_nonstd = config->baudrate;
|
2014-01-03 16:38:06 +04:00
|
|
|
#elif defined(USE_TERMIOS_SPEED)
|
2013-11-21 04:35:51 +04:00
|
|
|
baud_nonstd = 1;
|
2013-11-20 17:21:07 +04:00
|
|
|
#else
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_ERROR(SP_ERR_SUPP, "Non-standard baudrate not supported");
|
2013-11-20 17:21:07 +04:00
|
|
|
#endif
|
|
|
|
}
|
2013-11-18 23:52:37 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
if (config->bits >= 0) {
|
|
|
|
data->term.c_cflag &= ~CSIZE;
|
|
|
|
switch (config->bits) {
|
|
|
|
case 8:
|
|
|
|
data->term.c_cflag |= CS8;
|
|
|
|
break;
|
|
|
|
case 7:
|
|
|
|
data->term.c_cflag |= CS7;
|
|
|
|
break;
|
|
|
|
case 6:
|
|
|
|
data->term.c_cflag |= CS6;
|
|
|
|
break;
|
2013-11-19 15:32:01 +04:00
|
|
|
case 5:
|
|
|
|
data->term.c_cflag |= CS5;
|
|
|
|
break;
|
2013-11-18 23:52:37 +04:00
|
|
|
default:
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_ERROR(SP_ERR_ARG, "Invalid data bits setting");
|
2013-11-18 23:52:37 +04:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (config->parity >= 0) {
|
|
|
|
data->term.c_iflag &= ~IGNPAR;
|
2013-11-26 11:12:15 +04:00
|
|
|
data->term.c_cflag &= ~(PARENB | PARODD);
|
|
|
|
#ifdef CMSPAR
|
|
|
|
data->term.c_cflag &= ~CMSPAR;
|
|
|
|
#endif
|
2013-11-18 23:52:37 +04:00
|
|
|
switch (config->parity) {
|
|
|
|
case SP_PARITY_NONE:
|
|
|
|
data->term.c_iflag |= IGNPAR;
|
|
|
|
break;
|
|
|
|
case SP_PARITY_EVEN:
|
|
|
|
data->term.c_cflag |= PARENB;
|
|
|
|
break;
|
|
|
|
case SP_PARITY_ODD:
|
|
|
|
data->term.c_cflag |= PARENB | PARODD;
|
|
|
|
break;
|
2013-11-26 19:26:18 +04:00
|
|
|
#ifdef CMSPAR
|
2013-11-25 22:05:58 +04:00
|
|
|
case SP_PARITY_MARK:
|
2013-11-26 11:12:15 +04:00
|
|
|
data->term.c_cflag |= PARENB | PARODD;
|
|
|
|
data->term.c_cflag |= CMSPAR;
|
2013-11-25 22:05:58 +04:00
|
|
|
break;
|
|
|
|
case SP_PARITY_SPACE:
|
2013-11-26 11:12:15 +04:00
|
|
|
data->term.c_cflag |= PARENB;
|
|
|
|
data->term.c_cflag |= CMSPAR;
|
2013-11-25 22:05:58 +04:00
|
|
|
break;
|
2013-11-26 19:26:18 +04:00
|
|
|
#else
|
|
|
|
case SP_PARITY_MARK:
|
|
|
|
case SP_PARITY_SPACE:
|
|
|
|
RETURN_ERROR(SP_ERR_SUPP, "Mark/space parity not supported");
|
|
|
|
#endif
|
2013-11-18 23:52:37 +04:00
|
|
|
default:
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_ERROR(SP_ERR_ARG, "Invalid parity setting");
|
2013-11-18 23:52:37 +04:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (config->stopbits >= 0) {
|
|
|
|
data->term.c_cflag &= ~CSTOPB;
|
|
|
|
switch (config->stopbits) {
|
|
|
|
case 1:
|
|
|
|
data->term.c_cflag &= ~CSTOPB;
|
|
|
|
break;
|
|
|
|
case 2:
|
|
|
|
data->term.c_cflag |= CSTOPB;
|
|
|
|
break;
|
|
|
|
default:
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_ERROR(SP_ERR_ARG, "Invalid stop bits setting");
|
2013-11-18 23:52:37 +04:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2013-11-19 22:31:23 +04:00
|
|
|
if (config->rts >= 0 || config->cts >= 0) {
|
2013-11-22 23:00:24 +04:00
|
|
|
if (data->termiox_supported) {
|
2014-01-03 15:16:41 +04:00
|
|
|
data->rts_flow = data->cts_flow = 0;
|
2013-11-22 23:00:24 +04:00
|
|
|
switch (config->rts) {
|
|
|
|
case SP_RTS_OFF:
|
|
|
|
case SP_RTS_ON:
|
|
|
|
controlbits = TIOCM_RTS;
|
|
|
|
if (ioctl(port->fd, config->rts == SP_RTS_ON ? TIOCMBIS : TIOCMBIC, &controlbits) < 0)
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_FAIL("Setting RTS signal level failed");
|
2013-11-22 23:00:24 +04:00
|
|
|
break;
|
|
|
|
case SP_RTS_FLOW_CONTROL:
|
2014-01-03 15:16:41 +04:00
|
|
|
data->rts_flow = 1;
|
2013-11-22 23:00:24 +04:00
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
2013-11-18 23:52:37 +04:00
|
|
|
}
|
2013-11-22 23:00:24 +04:00
|
|
|
if (config->cts == SP_CTS_FLOW_CONTROL)
|
2014-01-03 15:16:41 +04:00
|
|
|
data->cts_flow = 1;
|
2013-11-18 23:52:37 +04:00
|
|
|
|
2014-01-03 15:16:41 +04:00
|
|
|
if (data->rts_flow && data->cts_flow)
|
2013-11-18 23:52:37 +04:00
|
|
|
data->term.c_iflag |= CRTSCTS;
|
2013-11-22 23:00:24 +04:00
|
|
|
else
|
|
|
|
data->term.c_iflag &= ~CRTSCTS;
|
|
|
|
} else {
|
|
|
|
/* Asymmetric use of RTS/CTS not supported. */
|
|
|
|
if (data->term.c_iflag & CRTSCTS) {
|
|
|
|
/* Flow control can only be disabled for both RTS & CTS together. */
|
|
|
|
if (config->rts >= 0 && config->rts != SP_RTS_FLOW_CONTROL) {
|
|
|
|
if (config->cts != SP_CTS_IGNORE)
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_ERROR(SP_ERR_SUPP, "RTS & CTS flow control must be disabled together");
|
2013-11-22 23:00:24 +04:00
|
|
|
}
|
|
|
|
if (config->cts >= 0 && config->cts != SP_CTS_FLOW_CONTROL) {
|
|
|
|
if (config->rts <= 0 || config->rts == SP_RTS_FLOW_CONTROL)
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_ERROR(SP_ERR_SUPP, "RTS & CTS flow control must be disabled together");
|
2013-11-22 23:00:24 +04:00
|
|
|
}
|
2013-11-18 23:52:37 +04:00
|
|
|
} else {
|
2013-11-22 23:00:24 +04:00
|
|
|
/* Flow control can only be enabled for both RTS & CTS together. */
|
|
|
|
if (((config->rts == SP_RTS_FLOW_CONTROL) && (config->cts != SP_CTS_FLOW_CONTROL)) ||
|
|
|
|
((config->cts == SP_CTS_FLOW_CONTROL) && (config->rts != SP_RTS_FLOW_CONTROL)))
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_ERROR(SP_ERR_SUPP, "RTS & CTS flow control must be enabled together");
|
2013-11-22 23:00:24 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
if (config->rts >= 0) {
|
|
|
|
if (config->rts == SP_RTS_FLOW_CONTROL) {
|
|
|
|
data->term.c_iflag |= CRTSCTS;
|
|
|
|
} else {
|
|
|
|
controlbits = TIOCM_RTS;
|
|
|
|
if (ioctl(port->fd, config->rts == SP_RTS_ON ? TIOCMBIS : TIOCMBIC,
|
|
|
|
&controlbits) < 0)
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_FAIL("Setting RTS signal level failed");
|
2013-11-22 23:00:24 +04:00
|
|
|
}
|
2013-11-18 23:52:37 +04:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2013-11-19 22:31:23 +04:00
|
|
|
if (config->dtr >= 0 || config->dsr >= 0) {
|
2013-11-22 23:00:24 +04:00
|
|
|
if (data->termiox_supported) {
|
2014-01-03 15:16:41 +04:00
|
|
|
data->dtr_flow = data->dsr_flow = 0;
|
2013-11-22 23:00:24 +04:00
|
|
|
switch (config->dtr) {
|
|
|
|
case SP_DTR_OFF:
|
|
|
|
case SP_DTR_ON:
|
|
|
|
controlbits = TIOCM_DTR;
|
|
|
|
if (ioctl(port->fd, config->dtr == SP_DTR_ON ? TIOCMBIS : TIOCMBIC, &controlbits) < 0)
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_FAIL("Setting DTR signal level failed");
|
2013-11-22 23:00:24 +04:00
|
|
|
break;
|
|
|
|
case SP_DTR_FLOW_CONTROL:
|
2014-01-03 15:16:41 +04:00
|
|
|
data->dtr_flow = 1;
|
2013-11-22 23:00:24 +04:00
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if (config->dsr == SP_DSR_FLOW_CONTROL)
|
2014-01-03 15:16:41 +04:00
|
|
|
data->dsr_flow = 1;
|
2013-11-22 23:00:24 +04:00
|
|
|
} else {
|
|
|
|
/* DTR/DSR flow control not supported. */
|
|
|
|
if (config->dtr == SP_DTR_FLOW_CONTROL || config->dsr == SP_DSR_FLOW_CONTROL)
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_ERROR(SP_ERR_SUPP, "DTR/DSR flow control not supported");
|
2013-11-18 23:52:37 +04:00
|
|
|
|
2013-11-22 23:00:24 +04:00
|
|
|
if (config->dtr >= 0) {
|
|
|
|
controlbits = TIOCM_DTR;
|
|
|
|
if (ioctl(port->fd, config->dtr == SP_DTR_ON ? TIOCMBIS : TIOCMBIC,
|
|
|
|
&controlbits) < 0)
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_FAIL("Setting DTR signal level failed");
|
2013-11-22 23:00:24 +04:00
|
|
|
}
|
2013-11-18 23:52:37 +04:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (config->xon_xoff >= 0) {
|
|
|
|
data->term.c_iflag &= ~(IXON | IXOFF | IXANY);
|
|
|
|
switch (config->xon_xoff) {
|
|
|
|
case SP_XONXOFF_DISABLED:
|
|
|
|
break;
|
|
|
|
case SP_XONXOFF_IN:
|
|
|
|
data->term.c_iflag |= IXOFF;
|
|
|
|
break;
|
|
|
|
case SP_XONXOFF_OUT:
|
|
|
|
data->term.c_iflag |= IXON | IXANY;
|
|
|
|
break;
|
|
|
|
case SP_XONXOFF_INOUT:
|
|
|
|
data->term.c_iflag |= IXON | IXOFF | IXANY;
|
|
|
|
break;
|
|
|
|
default:
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_ERROR(SP_ERR_ARG, "Invalid XON/XOFF setting");
|
2013-11-18 23:52:37 +04:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2013-11-25 22:21:49 +04:00
|
|
|
if (tcsetattr(port->fd, TCSANOW, &data->term) < 0)
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_FAIL("tcsetattr() failed");
|
2013-11-20 17:21:07 +04:00
|
|
|
|
|
|
|
#ifdef __APPLE__
|
|
|
|
if (baud_nonstd != B0) {
|
|
|
|
if (ioctl(port->fd, IOSSIOSPEED, &baud_nonstd) == -1)
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_FAIL("IOSSIOSPEED ioctl failed");
|
2013-11-20 17:21:07 +04:00
|
|
|
/* Set baud rates in data->term to correct, but incompatible
|
|
|
|
* with tcsetattr() value, same as delivered by tcgetattr(). */
|
|
|
|
if (cfsetspeed(&data->term, baud_nonstd) < 0)
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_FAIL("cfsetspeed() failed");
|
2013-11-20 17:21:07 +04:00
|
|
|
}
|
2013-11-21 04:35:51 +04:00
|
|
|
#elif defined(__linux__)
|
2014-01-03 16:38:06 +04:00
|
|
|
#ifdef USE_TERMIOS_SPEED
|
2013-11-21 04:35:51 +04:00
|
|
|
if (baud_nonstd)
|
|
|
|
TRY(set_baudrate(port->fd, config->baudrate));
|
2014-01-03 16:38:06 +04:00
|
|
|
#endif
|
2013-11-21 15:52:41 +04:00
|
|
|
#ifdef USE_TERMIOX
|
2013-11-22 23:00:24 +04:00
|
|
|
if (data->termiox_supported)
|
2014-01-03 15:16:41 +04:00
|
|
|
TRY(set_flow(port->fd, data));
|
2013-11-21 15:52:41 +04:00
|
|
|
#endif
|
2013-11-21 04:35:51 +04:00
|
|
|
#endif
|
2013-11-20 17:21:07 +04:00
|
|
|
|
|
|
|
#endif /* !_WIN32 */
|
2013-11-18 23:52:37 +04:00
|
|
|
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_OK();
|
2013-11-18 23:52:37 +04:00
|
|
|
}
|
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API enum sp_return sp_new_config(struct sp_port_config **config_ptr)
|
2013-11-24 00:41:01 +04:00
|
|
|
{
|
2013-11-24 00:55:18 +04:00
|
|
|
struct sp_port_config *config;
|
2013-11-24 00:41:01 +04:00
|
|
|
|
2013-11-26 19:12:20 +04:00
|
|
|
TRACE("%p", config_ptr);
|
|
|
|
|
2013-11-24 00:41:01 +04:00
|
|
|
if (!config_ptr)
|
|
|
|
RETURN_ERROR(SP_ERR_ARG, "Null result pointer");
|
|
|
|
|
2013-11-24 00:55:18 +04:00
|
|
|
*config_ptr = NULL;
|
|
|
|
|
|
|
|
if (!(config = malloc(sizeof(struct sp_port_config))))
|
2013-11-24 00:41:01 +04:00
|
|
|
RETURN_ERROR(SP_ERR_MEM, "config malloc failed");
|
|
|
|
|
2013-11-24 00:55:18 +04:00
|
|
|
config->baudrate = -1;
|
|
|
|
config->bits = -1;
|
|
|
|
config->parity = -1;
|
|
|
|
config->stopbits = -1;
|
|
|
|
config->rts = -1;
|
|
|
|
config->cts = -1;
|
|
|
|
config->dtr = -1;
|
|
|
|
config->dsr = -1;
|
|
|
|
|
|
|
|
*config_ptr = config;
|
|
|
|
|
2013-11-24 00:41:01 +04:00
|
|
|
RETURN_OK();
|
|
|
|
}
|
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API void sp_free_config(struct sp_port_config *config)
|
2013-11-24 00:41:01 +04:00
|
|
|
{
|
|
|
|
TRACE("%p", config);
|
|
|
|
|
|
|
|
if (!config)
|
|
|
|
DEBUG("Null config");
|
|
|
|
else
|
|
|
|
free(config);
|
|
|
|
|
|
|
|
RETURN();
|
|
|
|
}
|
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API enum sp_return sp_get_config(struct sp_port *port,
|
|
|
|
struct sp_port_config *config)
|
2013-11-23 16:04:21 +04:00
|
|
|
{
|
|
|
|
struct port_data data;
|
|
|
|
|
|
|
|
TRACE("%p, %p", port, config);
|
|
|
|
|
|
|
|
CHECK_OPEN_PORT();
|
|
|
|
|
|
|
|
if (!config)
|
2013-11-24 00:41:01 +04:00
|
|
|
RETURN_ERROR(SP_ERR_ARG, "Null config");
|
2013-11-23 16:04:21 +04:00
|
|
|
|
|
|
|
TRY(get_config(port, &data, config));
|
|
|
|
|
|
|
|
RETURN_OK();
|
|
|
|
}
|
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API enum sp_return sp_set_config(struct sp_port *port,
|
|
|
|
const struct sp_port_config *config)
|
2013-11-18 23:52:37 +04:00
|
|
|
{
|
2013-11-19 00:04:54 +04:00
|
|
|
struct port_data data;
|
2013-11-18 23:52:37 +04:00
|
|
|
struct sp_port_config prev_config;
|
|
|
|
|
2013-11-23 04:26:44 +04:00
|
|
|
TRACE("%p, %p", port, config);
|
|
|
|
|
2013-11-23 15:39:59 +04:00
|
|
|
CHECK_OPEN_PORT();
|
2013-11-19 00:08:25 +04:00
|
|
|
|
|
|
|
if (!config)
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_ERROR(SP_ERR_ARG, "Null config");
|
2013-11-19 00:08:25 +04:00
|
|
|
|
2013-11-18 23:52:37 +04:00
|
|
|
TRY(get_config(port, &data, &prev_config));
|
|
|
|
TRY(set_config(port, &data, config));
|
2013-04-28 02:35:45 +04:00
|
|
|
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_OK();
|
2013-04-28 02:35:45 +04:00
|
|
|
}
|
|
|
|
|
2013-11-24 00:41:01 +04:00
|
|
|
#define CREATE_ACCESSORS(x, type) \
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API enum sp_return sp_set_##x(struct sp_port *port, type x) { \
|
2013-11-19 00:04:54 +04:00
|
|
|
struct port_data data; \
|
2013-11-18 23:52:37 +04:00
|
|
|
struct sp_port_config config; \
|
2013-11-23 04:26:44 +04:00
|
|
|
TRACE("%p, %d", port, x); \
|
2013-11-23 15:39:59 +04:00
|
|
|
CHECK_OPEN_PORT(); \
|
2013-11-18 23:52:37 +04:00
|
|
|
TRY(get_config(port, &data, &config)); \
|
|
|
|
config.x = x; \
|
|
|
|
TRY(set_config(port, &data, &config)); \
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_OK(); \
|
2013-11-24 00:41:01 +04:00
|
|
|
} \
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API enum sp_return sp_get_config_##x(const struct sp_port_config *config, \
|
|
|
|
type *x) { \
|
2013-11-26 19:12:20 +04:00
|
|
|
TRACE("%p, %p", config, x); \
|
2013-11-24 00:41:01 +04:00
|
|
|
if (!config) \
|
|
|
|
RETURN_ERROR(SP_ERR_ARG, "Null config"); \
|
|
|
|
*x = config->x; \
|
|
|
|
RETURN_OK(); \
|
|
|
|
} \
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API enum sp_return sp_set_config_##x(struct sp_port_config *config, \
|
|
|
|
type x) { \
|
2013-11-24 00:41:01 +04:00
|
|
|
TRACE("%p, %d", config, x); \
|
|
|
|
if (!config) \
|
|
|
|
RETURN_ERROR(SP_ERR_ARG, "Null config"); \
|
|
|
|
config->x = x; \
|
|
|
|
RETURN_OK(); \
|
2013-11-15 02:01:11 +04:00
|
|
|
}
|
|
|
|
|
2013-11-24 00:41:01 +04:00
|
|
|
CREATE_ACCESSORS(baudrate, int)
|
|
|
|
CREATE_ACCESSORS(bits, int)
|
|
|
|
CREATE_ACCESSORS(parity, enum sp_parity)
|
|
|
|
CREATE_ACCESSORS(stopbits, int)
|
|
|
|
CREATE_ACCESSORS(rts, enum sp_rts)
|
|
|
|
CREATE_ACCESSORS(cts, enum sp_cts)
|
|
|
|
CREATE_ACCESSORS(dtr, enum sp_dtr)
|
|
|
|
CREATE_ACCESSORS(dsr, enum sp_dsr)
|
|
|
|
CREATE_ACCESSORS(xon_xoff, enum sp_xonxoff)
|
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API enum sp_return sp_set_config_flowcontrol(struct sp_port_config *config,
|
|
|
|
enum sp_flowcontrol flowcontrol)
|
2013-11-18 23:52:37 +04:00
|
|
|
{
|
2013-11-24 00:41:01 +04:00
|
|
|
if (!config)
|
|
|
|
RETURN_ERROR(SP_ERR_ARG, "Null configuration");
|
2013-11-23 15:39:59 +04:00
|
|
|
|
|
|
|
if (flowcontrol > SP_FLOWCONTROL_DTRDSR)
|
|
|
|
RETURN_ERROR(SP_ERR_ARG, "Invalid flow control setting");
|
2013-11-19 00:08:25 +04:00
|
|
|
|
2013-11-18 23:52:37 +04:00
|
|
|
if (flowcontrol == SP_FLOWCONTROL_XONXOFF)
|
2013-11-24 00:41:01 +04:00
|
|
|
config->xon_xoff = SP_XONXOFF_INOUT;
|
2013-11-18 23:52:37 +04:00
|
|
|
else
|
2013-11-24 00:41:01 +04:00
|
|
|
config->xon_xoff = SP_XONXOFF_DISABLED;
|
2013-11-18 23:52:37 +04:00
|
|
|
|
|
|
|
if (flowcontrol == SP_FLOWCONTROL_RTSCTS) {
|
2013-11-24 00:41:01 +04:00
|
|
|
config->rts = SP_RTS_FLOW_CONTROL;
|
|
|
|
config->cts = SP_CTS_FLOW_CONTROL;
|
2013-11-18 23:52:37 +04:00
|
|
|
} else {
|
2013-11-24 00:41:01 +04:00
|
|
|
if (config->rts == SP_RTS_FLOW_CONTROL)
|
|
|
|
config->rts = SP_RTS_ON;
|
|
|
|
config->cts = SP_CTS_IGNORE;
|
2013-11-18 23:52:37 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
if (flowcontrol == SP_FLOWCONTROL_DTRDSR) {
|
2013-11-24 00:41:01 +04:00
|
|
|
config->dtr = SP_DTR_FLOW_CONTROL;
|
|
|
|
config->dsr = SP_DSR_FLOW_CONTROL;
|
2013-11-18 23:52:37 +04:00
|
|
|
} else {
|
2013-11-24 00:41:01 +04:00
|
|
|
if (config->dtr == SP_DTR_FLOW_CONTROL)
|
|
|
|
config->dtr = SP_DTR_ON;
|
|
|
|
config->dsr = SP_DSR_IGNORE;
|
2013-11-18 23:52:37 +04:00
|
|
|
}
|
|
|
|
|
2013-11-24 00:41:01 +04:00
|
|
|
RETURN_OK();
|
|
|
|
}
|
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API enum sp_return sp_set_flowcontrol(struct sp_port *port,
|
|
|
|
enum sp_flowcontrol flowcontrol)
|
2013-11-24 00:41:01 +04:00
|
|
|
{
|
|
|
|
struct port_data data;
|
|
|
|
struct sp_port_config config;
|
|
|
|
|
|
|
|
TRACE("%p, %d", port, flowcontrol);
|
|
|
|
|
|
|
|
CHECK_OPEN_PORT();
|
|
|
|
|
|
|
|
TRY(get_config(port, &data, &config));
|
|
|
|
|
|
|
|
TRY(sp_set_config_flowcontrol(&config, flowcontrol));
|
|
|
|
|
2013-11-18 23:52:37 +04:00
|
|
|
TRY(set_config(port, &data, &config));
|
|
|
|
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_OK();
|
2013-11-18 23:52:37 +04:00
|
|
|
}
|
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API enum sp_return sp_get_signals(struct sp_port *port,
|
|
|
|
enum sp_signal *signals)
|
2013-11-20 22:56:35 +04:00
|
|
|
{
|
2013-11-23 04:26:44 +04:00
|
|
|
TRACE("%p, %p", port, signals);
|
|
|
|
|
2013-11-23 15:39:59 +04:00
|
|
|
CHECK_OPEN_PORT();
|
2013-11-20 22:56:35 +04:00
|
|
|
|
|
|
|
if (!signals)
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_ERROR(SP_ERR_ARG, "Null result pointer");
|
2013-11-20 22:56:35 +04:00
|
|
|
|
2013-11-23 05:08:57 +04:00
|
|
|
DEBUG("Getting control signals for port %s", port->name);
|
|
|
|
|
2013-11-20 22:56:35 +04:00
|
|
|
*signals = 0;
|
|
|
|
#ifdef _WIN32
|
|
|
|
DWORD bits;
|
|
|
|
if (GetCommModemStatus(port->hdl, &bits) == 0)
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_FAIL("GetCommModemStatus() failed");
|
2013-11-20 22:56:35 +04:00
|
|
|
if (bits & MS_CTS_ON)
|
|
|
|
*signals |= SP_SIG_CTS;
|
|
|
|
if (bits & MS_DSR_ON)
|
|
|
|
*signals |= SP_SIG_DSR;
|
|
|
|
if (bits & MS_RLSD_ON)
|
2013-11-23 15:59:42 +04:00
|
|
|
*signals |= SP_SIG_DCD;
|
|
|
|
if (bits & MS_RING_ON)
|
2013-11-20 22:56:35 +04:00
|
|
|
*signals |= SP_SIG_RI;
|
|
|
|
#else
|
|
|
|
int bits;
|
|
|
|
if (ioctl(port->fd, TIOCMGET, &bits) < 0)
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_FAIL("TIOCMGET ioctl failed");
|
2013-11-20 22:56:35 +04:00
|
|
|
if (bits & TIOCM_CTS)
|
|
|
|
*signals |= SP_SIG_CTS;
|
|
|
|
if (bits & TIOCM_DSR)
|
|
|
|
*signals |= SP_SIG_DSR;
|
|
|
|
if (bits & TIOCM_CAR)
|
|
|
|
*signals |= SP_SIG_DCD;
|
|
|
|
if (bits & TIOCM_RNG)
|
|
|
|
*signals |= SP_SIG_RI;
|
|
|
|
#endif
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_OK();
|
2013-11-20 22:56:35 +04:00
|
|
|
}
|
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API enum sp_return sp_start_break(struct sp_port *port)
|
2013-11-20 22:11:17 +04:00
|
|
|
{
|
2013-11-23 04:26:44 +04:00
|
|
|
TRACE("%p", port);
|
|
|
|
|
2013-11-23 15:39:59 +04:00
|
|
|
CHECK_OPEN_PORT();
|
2013-11-20 22:11:17 +04:00
|
|
|
#ifdef _WIN32
|
|
|
|
if (SetCommBreak(port->hdl) == 0)
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_FAIL("SetCommBreak() failed");
|
2013-11-20 22:11:17 +04:00
|
|
|
#else
|
|
|
|
if (ioctl(port->fd, TIOCSBRK, 1) < 0)
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_FAIL("TIOCSBRK ioctl failed");
|
2013-11-20 22:11:17 +04:00
|
|
|
#endif
|
|
|
|
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_OK();
|
2013-11-20 22:11:17 +04:00
|
|
|
}
|
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API enum sp_return sp_end_break(struct sp_port *port)
|
2013-11-20 22:11:17 +04:00
|
|
|
{
|
2013-11-23 04:26:44 +04:00
|
|
|
TRACE("%p", port);
|
|
|
|
|
2013-11-23 15:39:59 +04:00
|
|
|
CHECK_OPEN_PORT();
|
2013-11-20 22:11:17 +04:00
|
|
|
#ifdef _WIN32
|
|
|
|
if (ClearCommBreak(port->hdl) == 0)
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_FAIL("ClearCommBreak() failed");
|
2013-11-20 22:11:17 +04:00
|
|
|
#else
|
|
|
|
if (ioctl(port->fd, TIOCCBRK, 1) < 0)
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_FAIL("TIOCCBRK ioctl failed");
|
2013-11-20 22:11:17 +04:00
|
|
|
#endif
|
|
|
|
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_OK();
|
2013-11-20 22:11:17 +04:00
|
|
|
}
|
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API int sp_last_error_code(void)
|
2013-04-28 02:35:45 +04:00
|
|
|
{
|
2013-11-23 04:26:44 +04:00
|
|
|
TRACE("");
|
2013-04-28 02:35:45 +04:00
|
|
|
#ifdef _WIN32
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_VALUE("%d", GetLastError());
|
2013-04-28 02:35:45 +04:00
|
|
|
#else
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_VALUE("%d", errno);
|
2013-04-28 02:35:45 +04:00
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API char *sp_last_error_message(void)
|
2013-04-28 02:35:45 +04:00
|
|
|
{
|
2013-11-23 04:26:44 +04:00
|
|
|
TRACE("");
|
|
|
|
|
2013-04-28 02:35:45 +04:00
|
|
|
#ifdef _WIN32
|
|
|
|
LPVOID message;
|
|
|
|
DWORD error = GetLastError();
|
|
|
|
|
|
|
|
FormatMessage(
|
|
|
|
FORMAT_MESSAGE_ALLOCATE_BUFFER |
|
|
|
|
FORMAT_MESSAGE_FROM_SYSTEM |
|
|
|
|
FORMAT_MESSAGE_IGNORE_INSERTS,
|
|
|
|
NULL,
|
|
|
|
error,
|
|
|
|
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
|
|
|
|
(LPTSTR) &message,
|
|
|
|
0, NULL );
|
|
|
|
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_VALUE("%s", message);
|
2013-04-28 02:35:45 +04:00
|
|
|
#else
|
2013-11-23 04:26:44 +04:00
|
|
|
RETURN_VALUE("%s", strerror(errno));
|
2013-04-28 02:35:45 +04:00
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API void sp_free_error_message(char *message)
|
2013-04-28 02:35:45 +04:00
|
|
|
{
|
2013-11-23 04:26:44 +04:00
|
|
|
TRACE("%s", message);
|
|
|
|
|
2013-04-28 02:35:45 +04:00
|
|
|
#ifdef _WIN32
|
|
|
|
LocalFree(message);
|
2013-04-28 03:17:46 +04:00
|
|
|
#else
|
|
|
|
(void)message;
|
2013-04-28 02:35:45 +04:00
|
|
|
#endif
|
2013-11-23 04:26:44 +04:00
|
|
|
|
|
|
|
RETURN();
|
2013-04-28 02:35:45 +04:00
|
|
|
}
|
2013-11-23 02:41:03 +04:00
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API void sp_set_debug_handler(void (*handler)(const char *format, ...))
|
2013-11-23 02:41:03 +04:00
|
|
|
{
|
2013-11-23 04:26:44 +04:00
|
|
|
TRACE("%p", handler);
|
|
|
|
|
2013-11-23 02:41:03 +04:00
|
|
|
sp_debug_handler = handler;
|
2013-11-23 04:26:44 +04:00
|
|
|
|
|
|
|
RETURN();
|
2013-11-23 02:41:03 +04:00
|
|
|
}
|
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API void sp_default_debug_handler(const char *format, ...)
|
2013-11-23 02:41:03 +04:00
|
|
|
{
|
|
|
|
va_list args;
|
|
|
|
va_start(args, format);
|
|
|
|
if (getenv("LIBSERIALPORT_DEBUG")) {
|
2013-11-26 11:29:18 +04:00
|
|
|
fputs("sp: ", stderr);
|
2013-11-23 02:41:03 +04:00
|
|
|
vfprintf(stderr, format, args);
|
|
|
|
}
|
|
|
|
va_end(args);
|
|
|
|
}
|
2014-03-12 22:30:55 +04:00
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API int sp_get_major_package_version(void)
|
2014-03-12 22:30:55 +04:00
|
|
|
{
|
|
|
|
return SP_PACKAGE_VERSION_MAJOR;
|
|
|
|
}
|
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API int sp_get_minor_package_version(void)
|
2014-03-12 22:30:55 +04:00
|
|
|
{
|
|
|
|
return SP_PACKAGE_VERSION_MINOR;
|
|
|
|
}
|
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API int sp_get_micro_package_version(void)
|
2014-03-12 22:30:55 +04:00
|
|
|
{
|
|
|
|
return SP_PACKAGE_VERSION_MICRO;
|
|
|
|
}
|
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API const char *sp_get_package_version_string(void)
|
2014-03-12 22:30:55 +04:00
|
|
|
{
|
|
|
|
return SP_PACKAGE_VERSION_STRING;
|
|
|
|
}
|
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API int sp_get_current_lib_version(void)
|
2014-03-12 22:30:55 +04:00
|
|
|
{
|
|
|
|
return SP_LIB_VERSION_CURRENT;
|
|
|
|
}
|
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API int sp_get_revision_lib_version(void)
|
2014-03-12 22:30:55 +04:00
|
|
|
{
|
|
|
|
return SP_LIB_VERSION_REVISION;
|
|
|
|
}
|
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API int sp_get_age_lib_version(void)
|
2014-03-12 22:30:55 +04:00
|
|
|
{
|
|
|
|
return SP_LIB_VERSION_AGE;
|
|
|
|
}
|
|
|
|
|
2014-06-16 02:40:37 +04:00
|
|
|
SP_API const char *sp_get_lib_version_string(void)
|
2014-03-12 22:30:55 +04:00
|
|
|
{
|
|
|
|
return SP_LIB_VERSION_STRING;
|
|
|
|
}
|
|
|
|
|
|
|
|
/** @} */
|