Merge pull request #3 from RT-Thread/master

sync

8 files changed, 31 insertions, 168 deletions

diff --git a/components/libc/compilers/dlib/README.md b/components/libc/compilers/dlib/README.md
index 846eb3f5c0..acd08f9074 100644
--- a/components/libc/compilers/dlib/README.md
+++ b/components/libc/compilers/dlib/README.md
@@ -1,4 +1,9 @@
-Dlib(IAR) porting for RT-Thread.
+# DLIB (IAR) porting for RT-Thread
 
 Please define RT_USING_LIBC and compile RT-Thread with IAR compiler.
 
+
+
+## More Information
+
+http://www.iarsys.co.jp/download/LMS2/arm/7502/ewarm7502doc/arm/doc/EWARM_DevelopmentGuide.ENU.pdf    P.130
\ No newline at end of file
diff --git a/components/libc/compilers/dlib/libc.h b/components/libc/compilers/dlib/libc.h
index 7b2665c32b..5b46bee0c8 100644
--- a/components/libc/compilers/dlib/libc.h
+++ b/components/libc/compilers/dlib/libc.h
@@ -13,11 +13,17 @@
 
 #include <stddef.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
 int libc_system_init(void);
 
 int libc_stdio_set_console(const char* device_name, int mode);
 int libc_stdio_get_console(void);
-int libc_stdio_read (void *buffer, size_t size);
-int libc_stdio_write(const void *buffer, size_t size);
+int libc_stdio_read(void* buffer, size_t size);
+int libc_stdio_write(const void* buffer, size_t size);
+#ifdef __cplusplus
+}
+#endif
 
 #endif
diff --git a/components/libc/compilers/dlib/sys/errno.h b/components/libc/compilers/dlib/sys/errno.h
index 1ecb58b74c..1ad4c8acc0 100644
--- a/components/libc/compilers/dlib/sys/errno.h
+++ b/components/libc/compilers/dlib/sys/errno.h
@@ -5,11 +5,12 @@
  *
  * Change Logs:
  * Date           Author       Notes
+ * 2019-07-08     Bernard      The first version
  */
+
 #ifndef SYS_ERRNO_H__
 #define SYS_ERRNO_H__
 
-#include <rtthread.h>
-
+#include <errno.h>
 
 #endif
diff --git a/components/libc/compilers/dlib/termios.h b/components/libc/compilers/dlib/sys/signal.h
index 1956121225..22adb1228b 100644
--- a/components/libc/compilers/dlib/termios.h
+++ b/components/libc/compilers/dlib/sys/signal.h
@@ -5,11 +5,12 @@
  *
  * Change Logs:
  * Date           Author       Notes
+ * 2019-07-08     Bernard      The first version
  */
-#ifndef _TERMIOS_H__
-#define _TERMIOS_H__
 
-#include <sys/types.h>
-#include <posix_termios.h>
+#ifndef SYS_SIGNAL_H__
+#define SYS_SIGNAL_H__
+
+#include <libc/libc_signal.h>
 
 #endif
diff --git a/components/libc/compilers/dlib/sys/time.h b/components/libc/compilers/dlib/sys/time.h
deleted file mode 100644
index baf566936b..0000000000
--- a/components/libc/compilers/dlib/sys/time.h
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- * Copyright (c) 2006-2018, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- */
-#ifndef _SYS_TIME_H_
-#define _SYS_TIME_H_
-
-#include <time.h>
-#include <sys/types.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#ifndef _TIMEVAL_DEFINED
-#define _TIMEVAL_DEFINED
-/*
- * Structure returned by gettimeofday(2) system call,
- * and used in other calls.
- */
-struct timeval {
-    long    tv_sec;     /* seconds */
-    long    tv_usec;    /* and microseconds */
-};
-#endif /* _TIMEVAL_DEFINED */
-
-/*
- * Skip define timespec for IAR version over 8.10.1 where __VER__ is 8010001.
- */
-#if defined ( __ICCARM__ ) && (__VER__ >= 8010001)
-#define _TIMESPEC_DEFINED
-#endif
-
-#ifndef _TIMESPEC_DEFINED
-#define _TIMESPEC_DEFINED
-/*
- * Structure defined by POSIX.1b to be like a timeval.
- */
-struct timespec {
-    time_t  tv_sec;     /* seconds */
-    long    tv_nsec;    /* and nanoseconds */
-};
-#endif /* _TIMESPEC_DEFINED */ 
-
-struct timezone {
-  int tz_minuteswest;   /* minutes west of Greenwich */
-  int tz_dsttime;       /* type of dst correction */
-};
-
-int gettimeofday(struct timeval *tp, void *ignore);
-struct tm *gmtime_r(const time_t *timep, struct tm *r);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* _SYS_TIME_H_ */
diff --git a/components/libc/compilers/dlib/sys/types.h b/components/libc/compilers/dlib/sys/types.h
index 4c76dfc429..001ace4dd2 100644
--- a/components/libc/compilers/dlib/sys/types.h
+++ b/components/libc/compilers/dlib/sys/types.h
@@ -15,6 +15,10 @@
 typedef rt_int32_t clockid_t;
 typedef rt_int32_t key_t;       /* Used for interprocess communication. */
 typedef rt_int32_t pid_t;       /* Used for process IDs and process group IDs. */
-typedef signed long ssize_t;    /* Used for a count of bytes or an error indication. */
+#ifndef ARCH_CPU_64BIT
+typedef signed int   ssize_t;  /* Used for a count of bytes or an error indication. */
+#else
+typedef long signed int   ssize_t;  /* Used for a count of bytes or an error indication. */
+#endif
 
 #endif
diff --git a/components/libc/compilers/dlib/sys/unistd.h b/components/libc/compilers/dlib/sys/unistd.h
index 5985a42996..9564daba8d 100644
--- a/components/libc/compilers/dlib/sys/unistd.h
+++ b/components/libc/compilers/dlib/sys/unistd.h
@@ -34,14 +34,10 @@
 #define	_FNDELAY	_FNONBLOCK	/* non blocking I/O (4.2 style) */
 #define	_FNOCTTY	0x8000	/* don't assign a ctty on this open */
 
-#define	O_RDONLY	0		/* +1 == FREAD */
-#define	O_WRONLY	1		/* +1 == FWRITE */
-#define	O_RDWR		2		/* +1 == FREAD|FWRITE */
-#define	O_APPEND	_FAPPEND
-#define	O_CREAT		_FCREAT
-#define	O_TRUNC		_FTRUNC
-#define	O_EXCL		_FEXCL
-#define O_SYNC		_FSYNC
 #endif
 
+
+int     isatty      (int fd);
+char *  ttyname     (int desc);
+
 #endif /* _SYS_UNISTD_H */
diff --git a/components/libc/compilers/dlib/time.c b/components/libc/compilers/dlib/time.c
deleted file mode 100644
index 87574df851..0000000000
--- a/components/libc/compilers/dlib/time.c
+++ /dev/null
@@ -1,89 +0,0 @@
-/*
- * Copyright (c) 2006-2018, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- */
-#include <sys/time.h>
-#include <rtthread.h>
-
-#ifdef RT_USING_DEVICE
-int gettimeofday(struct timeval *tp, void *ignore)
-{
-    time_t time;
-    rt_device_t device;
-
-    device = rt_device_find("rtc");
-    if (device != RT_NULL)
-    {
-        rt_device_control(device, RT_DEVICE_CTRL_RTC_GET_TIME, &time);
-        if (tp != RT_NULL)
-        {
-            tp->tv_sec = time;
-            tp->tv_usec = 0;
-        }
-
-        return time;
-    }
-
-    return 0;
-}
-#endif
-
-/**
- * Returns the current time.
- *
- * @param time_t * t the timestamp pointer, if not used, keep NULL.
- *
- * @return time_t return timestamp current.
- *
- */
-#pragma module_name = "?time"
-#if _DLIB_TIME_USES_64
-time_t __time64(time_t *t)
-#else
-/* for IAR 6.2 later Compiler */
-#if defined (__IAR_SYSTEMS_ICC__) &&  (__VER__) >= 6020000
-time_t __time32(time_t *t)
-#else
-time_t time(time_t *t)
-#endif
-#endif
-{
-  time_t time_now = 0;
-  
-#ifdef RT_USING_RTC
-  static rt_device_t device = RT_NULL;
-  
-  /* optimization: find rtc device only first. */
-  if (device == RT_NULL)
-  {
-    device = rt_device_find("rtc");
-  }
-  
-  /* read timestamp from RTC device. */
-  if (device != RT_NULL)
-  {
-    if (rt_device_open(device, 0) == RT_EOK)
-    {
-      rt_device_control(device, RT_DEVICE_CTRL_RTC_GET_TIME, &time_now);
-      rt_device_close(device);
-    }
-  }
-#endif /* RT_USING_RTC */
-  
-  /* if t is not NULL, write timestamp to *t */
-  if (t != RT_NULL)
-  {
-    *t = time_now;
-  }
-  
-  return time_now;
-}
-
-RT_WEAK clock_t clock(void)
-{
-    return rt_tick_get();
-}