2 * This file is part of the libserialport project.
4 * Copyright (C) 2014 Martin Ling <martin-libserialport@earth.li>
5 * Copyright (C) 2014 Aurelien Jacobs <aurel@gnuage.org>
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Lesser General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #define _BSD_SOURCE // for timeradd, timersub, timercmp
23 #define _XOPEN_SOURCE 700 // for readlinkat
27 #include <sys/types.h>
44 #include <sys/ioctl.h>
50 #include <CoreFoundation/CoreFoundation.h>
51 #include <IOKit/IOKitLib.h>
52 #include <IOKit/serial/IOSerialKeys.h>
53 #include <IOKit/serial/ioss.h>
54 #include <sys/syslimits.h>
59 #include "linux/serial.h"
61 #include "linux_termios.h"
63 /* TCGETX/TCSETX is not available everywhere. */
64 #if defined(TCGETX) && defined(TCSETX) && defined(HAVE_TERMIOX)
69 /* TIOCINQ/TIOCOUTQ is not available everywhere. */
70 #if !defined(TIOCINQ) && defined(FIONREAD)
71 #define TIOCINQ FIONREAD
73 #if !defined(TIOCOUTQ) && defined(FIONWRITE)
74 #define TIOCOUTQ FIONWRITE
77 /* Non-standard baudrates are not available everywhere. */
78 #if defined(HAVE_TERMIOS_SPEED) || defined(HAVE_TERMIOS2_SPEED)
79 #define USE_TERMIOS_SPEED
85 enum sp_transport transport;
90 char *usb_manufacturer;
93 char *bluetooth_address;
97 COMMTIMEOUTS timeouts;
109 struct sp_port_config {
112 enum sp_parity parity;
118 enum sp_xonxoff xon_xoff;
127 int termiox_supported;
136 typedef HANDLE event_handle;
138 typedef int event_handle;
141 /* Standard baud rates. */
143 #define BAUD_TYPE DWORD
144 #define BAUD(n) {CBR_##n, n}
146 #define BAUD_TYPE speed_t
147 #define BAUD(n) {B##n, n}
150 struct std_baudrate {
155 extern const struct std_baudrate std_baudrates[];
157 #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
158 #define NUM_STD_BAUDRATES ARRAY_SIZE(std_baudrates)
160 extern void (*sp_debug_handler)(const char *format, ...);
162 /* Debug output macros. */
163 #define DEBUG_FMT(fmt, ...) do { \
164 if (sp_debug_handler) \
165 sp_debug_handler(fmt ".\n", __VA_ARGS__); \
167 #define DEBUG(msg) DEBUG_FMT(msg, NULL)
168 #define DEBUG_ERROR(err, msg) DEBUG_FMT("%s returning " #err ": " msg, __func__)
169 #define DEBUG_FAIL(msg) do { \
170 char *errmsg = sp_last_error_message(); \
171 DEBUG_FMT("%s returning SP_ERR_FAIL: " msg ": %s", __func__, errmsg); \
172 sp_free_error_message(errmsg); \
174 #define RETURN() do { \
175 DEBUG_FMT("%s returning", __func__); \
178 #define RETURN_CODE(x) do { \
179 DEBUG_FMT("%s returning " #x, __func__); \
182 #define RETURN_CODEVAL(x) do { \
184 case SP_OK: RETURN_CODE(SP_OK); \
185 case SP_ERR_ARG: RETURN_CODE(SP_ERR_ARG); \
186 case SP_ERR_FAIL: RETURN_CODE(SP_ERR_FAIL); \
187 case SP_ERR_MEM: RETURN_CODE(SP_ERR_MEM); \
188 case SP_ERR_SUPP: RETURN_CODE(SP_ERR_SUPP); \
191 #define RETURN_OK() RETURN_CODE(SP_OK);
192 #define RETURN_ERROR(err, msg) do { \
193 DEBUG_ERROR(err, msg); \
196 #define RETURN_FAIL(msg) do { \
198 return SP_ERR_FAIL; \
200 #define RETURN_INT(x) do { \
202 DEBUG_FMT("%s returning %d", __func__, _x); \
205 #define RETURN_STRING(x) do { \
207 DEBUG_FMT("%s returning %s", __func__, _x); \
210 #define RETURN_POINTER(x) do { \
212 DEBUG_FMT("%s returning %p", __func__, _x); \
215 #define SET_ERROR(val, err, msg) do { DEBUG_ERROR(err, msg); val = err; } while (0)
216 #define SET_FAIL(val, msg) do { DEBUG_FAIL(msg); val = SP_ERR_FAIL; } while (0)
217 #define TRACE(fmt, ...) DEBUG_FMT("%s(" fmt ") called", __func__, __VA_ARGS__)
218 #define TRACE_VOID() DEBUG_FMT("%s() called", __func__)
220 #define TRY(x) do { int ret = x; if (ret != SP_OK) RETURN_CODEVAL(ret); } while (0)
222 SP_PRIV struct sp_port **list_append(struct sp_port **list, const char *portname);
224 /* OS-specific Helper functions. */
225 SP_PRIV enum sp_return get_port_details(struct sp_port *port);
226 SP_PRIV enum sp_return list_ports(struct sp_port ***list);