[Utilities] Add more options for logtrace.

Author: BernardXiong

components/utilities/Kconfig

@@ -4,6 +4,44 @@ config RT_USING_LOGTRACE
     bool "Enable log trace"
     default n
 
+if RT_USING_LOGTRACE
+    config LOG_TRACE_MAX_SESSION
+        int "Maximal number of session"
+        default 16
+
+    choice
+        prompt "The default level of log"
+        default LOG_TRACE_USING_LEVEL_INFO
+
+        config LOG_TRACE_USING_LEVEL_NOTRACE
+            bool "No trace"
+
+        config LOG_TRACE_USING_LEVEL_ERROR
+            bool "Only error log"
+
+        config LOG_TRACE_USING_LEVEL_WARNING
+            bool "Warning log"
+
+        config LOG_TRACE_USING_LEVEL_INFO
+            bool "Information log"
+
+        config LOG_TRACE_USING_LEVEL_VERBOSE
+            bool "Verbose log"
+
+        config LOG_TRACE_USING_LEVEL_DEBUG
+            bool "All debug log"
+    endchoice
+
+    config LOG_TRACE_USING_MEMLOG
+        bool "Enable memory log for logtrace"
+        default n
+        help
+            Enable memory log for logtrace, then the logs in log_trace
+            will be printed out in idle thread hook function.
+
+            Please make sure the idle hook is not used.
+endif
+
 config RT_USING_RYM
     bool "Enable Ymodem"
     default n

components/utilities/logtrace/SConscript

@@ -1,9 +1,17 @@
 from building import *
 
 cwd     = GetCurrentDir()
-src     = Glob('*.c')
+src     = Split('''
+log_trace.c
+''')
 CPPPATH = [cwd]
 
+if GetDepend('LOG_TRACE_USING_MEMLOG'):
+    src += ['memlog.c']
+
+if GetDepend('RT_USING_DFS'):
+    src += ['log_file.c']
+
 group = DefineGroup('Utilities', src, depend = ['RT_USING_LOGTRACE'], CPPPATH = CPPPATH)
 
 Return('group')

components/utilities/logtrace/log_trace.c

@@ -41,7 +41,7 @@ static struct rt_device _log_device;
 static rt_device_t _traceout_device = RT_NULL;
 
 /* define a default lg session. The name is empty. */
-static struct log_trace_session _def_session = {{"\0"}, LOG_TRACE_LEVEL_INFO};
+static struct log_trace_session _def_session = {{"\0"}, LOG_TRACE_LEVEL_DEFAULT};
 static const struct log_trace_session *_the_sessions[LOG_TRACE_MAX_SESSION] = {&_def_session};
 /* there is a default session at least */
 static rt_uint16_t _the_sess_nr = 1;
@@ -267,16 +267,31 @@ void __logtrace_vfmtout(const struct log_trace_session *session,
     RT_ASSERT(session);
     RT_ASSERT(fmt);
 
-    rt_snprintf(_trace_buf, sizeof(_trace_buf), "[%08x][", rt_tick_get());
-    if (_traceout_device != RT_NULL)
+    /* it's default session */
+    if (session->id.name[0] == '\0')
     {
-        rt_device_write(_traceout_device, -1, _trace_buf, 11);
-        rt_device_write(_traceout_device, -1,
-                session->id.name, _idname_len(session->id.num));
+        rt_snprintf(_trace_buf, sizeof(_trace_buf), "[%08x]", rt_tick_get());
+        if (_traceout_device != RT_NULL)
+        {
+            rt_device_write(_traceout_device, -1, _trace_buf, 10);
+        }
+
+        ptr = &_trace_buf[0];
+    }
+    else
+    {
+        rt_snprintf(_trace_buf, sizeof(_trace_buf), "[%08x][", rt_tick_get());
+        if (_traceout_device != RT_NULL)
+        {
+            rt_device_write(_traceout_device, -1, _trace_buf, 11);
+            rt_device_write(_traceout_device, -1,
+                    session->id.name, _idname_len(session->id.num));
+        }
+
+        _trace_buf[0] = ']';
+        ptr = &_trace_buf[1];
     }
 
-    _trace_buf[0] = ']';
-    ptr = &_trace_buf[1];
     length = rt_vsnprintf(ptr, LOG_TRACE_BUFSZ, fmt, argptr);
 
     if (length >= LOG_TRACE_BUFSZ)

components/utilities/logtrace/log_trace.h

@@ -37,8 +37,20 @@
 #define LOG_TRACE_LEVEL_DEBUG       0x09
 #define LOG_TRACE_LEVEL_ALL         0x0f
 
-#ifndef LOG_TRACE_LEVEL_DEFAULT
-#define LOG_TRACE_LEVEL_DEFAULT LOG_TRACE_LEVEL_INFO
+#if defined(LOG_TRACE_USING_LEVEL_NOTRACE)
+#define LOG_TRACE_LEVEL_DEFAULT     LOG_TRACE_LEVEL_NOTRACE
+#elif defined(LOG_TRACE_USING_LEVEL_ERROR)
+#define LOG_TRACE_LEVEL_DEFAULT     LOG_TRACE_LEVEL_ERROR
+#elif defined(LOG_TRACE_USING_LEVEL_WARNING)
+#define LOG_TRACE_LEVEL_DEFAULT     LOG_TRACE_LEVEL_WARNING
+#elif defined(LOG_TRACE_USING_LEVEL_INFO)
+#define LOG_TRACE_LEVEL_DEFAULT     LOG_TRACE_LEVEL_INFO
+#elif defined(LOG_TRACE_USING_LEVEL_VERBOSE)
+#define LOG_TRACE_LEVEL_DEFAULT     LOG_TRACE_LEVEL_VERBOSE
+#elif defined(LOG_TRACE_USING_LEVEL_DEBUG)
+#define LOG_TRACE_LEVEL_DEFAULT     LOG_TRACE_LEVEL_DEBUG
+#else
+#define LOG_TRACE_LEVEL_DEFAULT     LOG_TRACE_LEVEL_INFO
 #endif
 
 #define LOG_TRACE_ERROR             "<1>"

components/utilities/logtrace/memlog.c

@@ -0,0 +1,61 @@
+/*
+ * File      : memlog.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2013, RT-Thread Development Team
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2013-06-26     Grissiom     the first version
+ */
+
+#include <rtthread.h>
+#include <rtdevice.h>
+#include <log_trace.h>
+
+#define PIPE_SZ    2048
+#define PIPE_NAME  "memlog"
+
+static rt_pipe_t *_log_pipe = NULL;
+static rt_uint8_t outbuf[1024];
+void memlog_flush(void)
+{
+    rt_size_t readsz;
+    rt_device_t console;
+
+    console = rt_console_get_device();
+    if (!console) return;
+
+    readsz = rt_device_read((rt_device_t)&(_log_pipe->parent), 0, outbuf, sizeof(outbuf));
+    if (readsz)
+        rt_device_write(console, 0, outbuf, readsz);
+}
+
+int memlog_init(void)
+{
+    _log_pipe = rt_pipe_create(PIPE_NAME, PIPE_SZ);
+    if (_log_pipe == RT_NULL)
+    {
+        rt_kprintf("init pipe device failed.\n");
+        return -1;
+    }
+
+    log_trace_set_device(PIPE_NAME);
+    rt_thread_idle_sethook(memlog_flush);
+    
+    return 0;
+}
+INIT_APP_EXPORT(memlog_init);