modify nuttx bug of lack of files

2021-06-11 11:25:07 +08:00
parent 4a7f51a5e9
commit 6d0f2ca39a
6752 changed files with 1528133 additions and 0 deletions
@@ -0,0 +1,243 @@
+/****************************************************************************
+ * drivers/usbdev/usbdev_trace.c
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <sys/types.h>
+#include <stdarg.h>
+#include <stdint.h>
+#include <errno.h>
+#include <debug.h>
+
+#include <nuttx/irq.h>
+#include <nuttx/syslog/syslog.h>
+#include <nuttx/usb/usbdev_trace.h>
+
+#undef usbtrace
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/* Configuration ************************************************************/
+
+#ifndef CONFIG_USBDEV_TRACE_NRECORDS
+#  define CONFIG_USBDEV_TRACE_NRECORDS 128
+#endif
+
+#ifndef CONFIG_USBDEV_TRACE_INITIALIDSET
+#  define CONFIG_USBDEV_TRACE_INITIALIDSET 0
+#endif
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Function Prototypes
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+#ifdef CONFIG_USBDEV_TRACE
+static struct usbtrace_s g_trace[CONFIG_USBDEV_TRACE_NRECORDS];
+static uint16_t g_head = 0;
+static uint16_t g_tail = 0;
+#endif
+
+#if defined(CONFIG_USBDEV_TRACE) || (defined(CONFIG_DEBUG_FEATURES) && defined(CONFIG_DEBUG_USB))
+static usbtrace_idset_t g_maskedidset = CONFIG_USBDEV_TRACE_INITIALIDSET;
+#endif
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: usbtrace_syslog
+ ****************************************************************************/
+
+#if !defined(CONFIG_USBDEV_TRACE) && \
+    (defined(CONFIG_DEBUG_FEATURES) && defined(CONFIG_DEBUG_USB))
+static int usbtrace_syslog(const char *fmt, ...)
+{
+  va_list ap;
+
+  /* Let vsyslog do the real work */
+
+  va_start(ap, fmt);
+  vsyslog(LOG_INFO, fmt, ap);
+  va_end(ap);
+  return OK;
+}
+#endif
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: usbtrace_enable
+ *
+ * Description:
+ *  Enable/disable tracing per trace ID.  The initial state is all IDs
+ *  enabled.
+ *
+ * Input Parameters:
+ *  idset - The bitset of IDs to be masked.  TRACE_ALLIDS enables all IDS;
+ *  zero masks all IDs.
+ *
+ * Returned Value:
+ *  The previous idset value.
+ *
+ * Assumptions:
+ * - May be called from an interrupt handler
+ *
+ ****************************************************************************/
+
+#if defined(CONFIG_USBDEV_TRACE) || \
+   (defined(CONFIG_DEBUG_FEATURES) && defined(CONFIG_DEBUG_USB))
+usbtrace_idset_t usbtrace_enable(usbtrace_idset_t idset)
+{
+  irqstate_t flags;
+  usbtrace_idset_t ret;
+
+  /* The following read and write must be atomic */
+
+  flags         = enter_critical_section();
+  ret           = g_maskedidset;
+  g_maskedidset = idset;
+  leave_critical_section(flags);
+  return ret;
+}
+#endif /* CONFIG_USBDEV_TRACE || CONFIG_DEBUG_FEATURES && CONFIG_DEBUG_USB */
+
+/****************************************************************************
+ * Name: usbtrace
+ *
+ * Description:
+ *  Record a USB event (tracing must be enabled)
+ *
+ * Assumptions:
+ *   May be called from an interrupt handler
+ *
+ ****************************************************************************/
+
+#if defined(CONFIG_USBDEV_TRACE) || (defined(CONFIG_DEBUG_FEATURES) && defined(CONFIG_DEBUG_USB))
+void usbtrace(uint16_t event, uint16_t value)
+{
+  irqstate_t flags;
+
+  /* Check if tracing is enabled for this ID */
+
+  flags = enter_critical_section();
+  if ((g_maskedidset & TRACE_ID2BIT(event)) != 0)
+    {
+#ifdef CONFIG_USBDEV_TRACE
+      /* Yes... save the new trace data at the head */
+
+      g_trace[g_head].event = event;
+      g_trace[g_head].value = value;
+
+      /* Increment the head and (probably) the tail index */
+
+      if (++g_head >= CONFIG_USBDEV_TRACE_NRECORDS)
+        {
+          g_head = 0;
+        }
+
+      if (g_head == g_tail)
+        {
+          if (++g_tail >= CONFIG_USBDEV_TRACE_NRECORDS)
+            {
+              g_tail = 0;
+            }
+        }
+#else
+      /* Just print the data using syslog */
+
+      usbtrace_trprintf(usbtrace_syslog, event, value);
+#endif
+    }
+
+  leave_critical_section(flags);
+}
+#endif /* CONFIG_USBDEV_TRACE || CONFIG_DEBUG_FEATURES && CONFIG_DEBUG_USB */
+
+/****************************************************************************
+ * Name: usbtrace_enumerate
+ *
+ * Description:
+ *   Enumerate all buffer trace data (will temporarily disable tracing)
+ *
+ * Assumptions:
+ *   NEVER called from an interrupt handler
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_USBDEV_TRACE
+int usbtrace_enumerate(trace_callback_t callback, void *arg)
+{
+  uint16_t ndx;
+  uint32_t idset;
+  int ret = OK;
+
+  /* Temporarily disable tracing */
+
+  idset = usbtrace_enable(0);
+
+  /* Visit every entry, starting with the tail */
+
+  for (ndx = g_tail; ndx != g_head; )
+    {
+      /* Call the user provided callback */
+
+      ret = callback(&g_trace[ndx], arg);
+      if (ret != OK)
+        {
+          /* Abort the enumeration */
+
+          break;
+        }
+
+      /* Increment the index */
+
+      if (++ndx >= CONFIG_USBDEV_TRACE_NRECORDS)
+        {
+          ndx = 0;
+        }
+    }
+
+  /* Discard the trace data after it has been reported */
+
+  g_tail = g_head;
+
+  /* Restore tracing state */
+
+  usbtrace_enable(idset);
+  return ret;
+}
+#endif /* CONFIG_USBDEV_TRACE */