初始提交

Project/Src/rt-thread/components/utilities/logtrace/memlog.c

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+/*
+ * Copyright (c) 2006-2018, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * 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);