* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#ifndef LIBSERIALPORT_LIBSERIALPORT_INTERNAL_H
+#define LIBSERIALPORT_LIBSERIALPORT_INTERNAL_H
+
+/* These MSVC-specific defines must appear before other headers.*/
+#ifdef _MSC_VER
+#define _CRT_NONSTDC_NO_DEPRECATE
+#define _CRT_SECURE_NO_WARNINGS
+#endif
+
+/* These feature test macros must appear before other headers.*/
+#if defined(__linux__) || defined(__CYGWIN__)
+/* For timeradd, timersub, timercmp, realpath. */
+#define _BSD_SOURCE 1 /* for glibc < 2.19 */
+#define _DEFAULT_SOURCE 1 /* for glibc >= 2.20 */
+/* For clock_gettime and associated types. */
+#define _POSIX_C_SOURCE 199309L
+#endif
+
+#ifdef LIBSERIALPORT_ATBUILD
+/* If building with autoconf, include the generated config.h. */
+#include <config.h>
+#endif
+
+#ifdef LIBSERIALPORT_MSBUILD
+/* If building with MS tools, define necessary things that
+ would otherwise appear in config.h. */
+#define SP_PRIV
+#endif
+
+#include "libserialport.h"
+
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
-#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
#include <stdio.h>
#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
#ifdef _WIN32
#include <windows.h>
#include <tchar.h>
#include <setupapi.h>
#include <cfgmgr32.h>
+#undef DEFINE_GUID
+#define DEFINE_GUID(name,l,w1,w2,b1,b2,b3,b4,b5,b6,b7,b8) \
+ static const GUID name = { l,w1,w2,{ b1,b2,b3,b4,b5,b6,b7,b8 } }
#include <usbioctl.h>
+#include <usbiodef.h>
+/* The largest size that can be passed to WriteFile() safely
+ * on any architecture. This arises from the expression:
+ * PAGE_SIZE * (65535 - sizeof(MDL)) / sizeof(ULONG_PTR)
+ * and this worst-case value is found on x64. */
+#define WRITEFILE_MAX_SIZE 33525760
#else
#include <limits.h>
#include <termios.h>
#include <sys/ioctl.h>
#include <sys/time.h>
-#include <limits.h>
+#include <time.h>
#include <poll.h>
+#include <unistd.h>
+#ifdef HAVE_SYS_FILE_H
+#include <sys/file.h>
+#endif
#endif
#ifdef __APPLE__
#include <CoreFoundation/CoreFoundation.h>
#include <IOKit/serial/IOSerialKeys.h>
#include <IOKit/serial/ioss.h>
#include <sys/syslimits.h>
+#include <mach/mach_time.h>
+#if MAC_OS_X_VERSION_MAX_ALLOWED < 120000 /* Before macOS 12 */
+#define kIOMainPortDefault kIOMasterPortDefault
+#endif
#endif
#ifdef __linux__
#include <dirent.h>
-#ifndef __ANDROID__
-#include "linux/serial.h"
+/* Android only has linux/serial.h from platform 21 onwards. */
+#if !(defined(__ANDROID__) && (__ANDROID_API__ < 21))
+#include <linux/serial.h>
#endif
#include "linux_termios.h"
/* TCGETX/TCSETX is not available everywhere. */
-#if defined(TCGETX) && defined(TCSETX) && defined(HAVE_TERMIOX)
+#if defined(TCGETX) && defined(TCSETX) && defined(HAVE_STRUCT_TERMIOX)
#define USE_TERMIOX
#endif
#endif
#define TIOCOUTQ FIONWRITE
#endif
+/*
+ * O_CLOEXEC is not available everywhere, fallback to not setting the
+ * flag on those systems.
+ */
+#ifndef _WIN32
+#ifndef O_CLOEXEC
+#define O_CLOEXEC 0
+#endif
+#endif
+
/* Non-standard baudrates are not available everywhere. */
-#if defined(HAVE_TERMIOS_SPEED) || defined(HAVE_TERMIOS2_SPEED)
+#if (defined(HAVE_TERMIOS_SPEED) || defined(HAVE_TERMIOS2_SPEED)) && HAVE_DECL_BOTHER
#define USE_TERMIOS_SPEED
#endif
OVERLAPPED read_ovl;
OVERLAPPED wait_ovl;
DWORD events;
- BYTE pending_byte;
+ BYTE *write_buf;
+ DWORD write_buf_size;
BOOL writing;
+ BOOL wait_running;
#else
int fd;
#endif
int value;
};
-extern const struct std_baudrate std_baudrates[];
-
#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
-#define NUM_STD_BAUDRATES ARRAY_SIZE(std_baudrates)
extern void (*sp_debug_handler)(const char *format, ...);
/* Debug output macros. */
-#define DEBUG(fmt, ...) do { if (sp_debug_handler) sp_debug_handler(fmt ".\n", ##__VA_ARGS__); } while (0)
-#define DEBUG_ERROR(err, fmt, ...) DEBUG("%s returning " #err ": " fmt, __func__, ##__VA_ARGS__)
-#define DEBUG_FAIL(fmt, ...) do { \
+#define DEBUG_FMT(fmt, ...) do { \
+ if (sp_debug_handler) \
+ sp_debug_handler(fmt ".\n", __VA_ARGS__); \
+} while (0)
+#define DEBUG(msg) DEBUG_FMT(msg, NULL)
+#define DEBUG_ERROR(err, msg) DEBUG_FMT("%s returning " #err ": " msg, __func__)
+#define DEBUG_FAIL(msg) do { \
char *errmsg = sp_last_error_message(); \
- DEBUG("%s returning SP_ERR_FAIL: "fmt": %s", __func__,##__VA_ARGS__,errmsg); \
+ DEBUG_FMT("%s returning SP_ERR_FAIL: " msg ": %s", __func__, errmsg); \
sp_free_error_message(errmsg); \
} while (0);
-#define RETURN() do { DEBUG("%s returning", __func__); return; } while(0)
-#define RETURN_CODE(x) do { DEBUG("%s returning " #x, __func__); return x; } while (0)
+#define RETURN() do { \
+ DEBUG_FMT("%s returning", __func__); \
+ return; \
+} while (0)
+#define RETURN_CODE(x) do { \
+ DEBUG_FMT("%s returning " #x, __func__); \
+ return x; \
+} while (0)
#define RETURN_CODEVAL(x) do { \
switch (x) { \
- case SP_OK: RETURN_CODE(SP_OK); \
- case SP_ERR_ARG: RETURN_CODE(SP_ERR_ARG); \
- case SP_ERR_FAIL: RETURN_CODE(SP_ERR_FAIL); \
- case SP_ERR_MEM: RETURN_CODE(SP_ERR_MEM); \
- case SP_ERR_SUPP: RETURN_CODE(SP_ERR_SUPP); \
+ case SP_OK: RETURN_CODE(SP_OK); \
+ case SP_ERR_ARG: RETURN_CODE(SP_ERR_ARG); \
+ case SP_ERR_FAIL: RETURN_CODE(SP_ERR_FAIL); \
+ case SP_ERR_MEM: RETURN_CODE(SP_ERR_MEM); \
+ case SP_ERR_SUPP: RETURN_CODE(SP_ERR_SUPP); \
+ default: RETURN_CODE(SP_ERR_FAIL); \
} \
} while (0)
#define RETURN_OK() RETURN_CODE(SP_OK);
-#define RETURN_ERROR(err, ...) do { DEBUG_ERROR(err, __VA_ARGS__); return err; } while (0)
-#define RETURN_FAIL(...) do { DEBUG_FAIL(__VA_ARGS__); return SP_ERR_FAIL; } while (0)
+#define RETURN_ERROR(err, msg) do { \
+ DEBUG_ERROR(err, msg); \
+ return err; \
+} while (0)
+#define RETURN_FAIL(msg) do { \
+ DEBUG_FAIL(msg); \
+ return SP_ERR_FAIL; \
+} while (0)
#define RETURN_INT(x) do { \
int _x = x; \
- DEBUG("%s returning %d", __func__, _x); \
+ DEBUG_FMT("%s returning %d", __func__, _x); \
return _x; \
} while (0)
#define RETURN_STRING(x) do { \
char *_x = x; \
- DEBUG("%s returning %s", __func__, _x); \
+ DEBUG_FMT("%s returning %s", __func__, _x); \
return _x; \
} while (0)
#define RETURN_POINTER(x) do { \
void *_x = x; \
- DEBUG("%s returning %p", __func__, _x); \
+ DEBUG_FMT("%s returning %p", __func__, _x); \
return _x; \
} while (0)
#define SET_ERROR(val, err, msg) do { DEBUG_ERROR(err, msg); val = err; } while (0)
#define SET_FAIL(val, msg) do { DEBUG_FAIL(msg); val = SP_ERR_FAIL; } while (0)
-#define TRACE(fmt, ...) DEBUG("%s(" fmt ") called", __func__, ##__VA_ARGS__)
+#define TRACE(fmt, ...) DEBUG_FMT("%s(" fmt ") called", __func__, __VA_ARGS__)
+#define TRACE_VOID() DEBUG_FMT("%s() called", __func__)
-#define TRY(x) do { int ret = x; if (ret != SP_OK) RETURN_CODEVAL(ret); } while (0)
+#define TRY(x) do { int retval = x; if (retval != SP_OK) RETURN_CODEVAL(retval); } while (0)
SP_PRIV struct sp_port **list_append(struct sp_port **list, const char *portname);
/* OS-specific Helper functions. */
SP_PRIV enum sp_return get_port_details(struct sp_port *port);
SP_PRIV enum sp_return list_ports(struct sp_port ***list);
+
+/* Timing abstraction */
+
+struct time {
+#ifdef _WIN32
+ int64_t ticks;
+#else
+ struct timeval tv;
+#endif
+};
+
+struct timeout {
+ unsigned int ms, limit_ms;
+ struct time start, now, end, delta, delta_max;
+ struct timeval delta_tv;
+ bool calls_started, overflow;
+};
+
+SP_PRIV void time_get(struct time *time);
+SP_PRIV void time_set_ms(struct time *time, unsigned int ms);
+SP_PRIV void time_add(const struct time *a, const struct time *b, struct time *result);
+SP_PRIV void time_sub(const struct time *a, const struct time *b, struct time *result);
+SP_PRIV bool time_greater(const struct time *a, const struct time *b);
+SP_PRIV void time_as_timeval(const struct time *time, struct timeval *tv);
+SP_PRIV unsigned int time_as_ms(const struct time *time);
+SP_PRIV void timeout_start(struct timeout *timeout, unsigned int timeout_ms);
+SP_PRIV void timeout_limit(struct timeout *timeout, unsigned int limit_ms);
+SP_PRIV bool timeout_check(struct timeout *timeout);
+SP_PRIV void timeout_update(struct timeout *timeout);
+SP_PRIV struct timeval *timeout_timeval(struct timeout *timeout);
+SP_PRIV unsigned int timeout_remaining_ms(struct timeout *timeout);
+
+#endif
projects / libserialport.git / blobdiff