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 +1,133 @@
+/****************************************************************************
+ * wireless/bluetooth/bt_queue.h
+ * Inter-thread buffer queue management
+ *
+ * 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.
+ *
+ ****************************************************************************/
+
+#ifndef __WIRELESS_BLUETOOTH_BT_QUEUE_H
+#define __WIRELESS_BLUETOOTH_BT_QUEUE_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+#include <nuttx/compiler.h>
+#include <nuttx/mqueue.h>
+
+#include <limits.h>
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/* Names of all POSIX message queues. */
+
+#define BT_CONN_TX       "btconntx"
+#define BT_HCI_TX        "bthcitx"
+
+/* All messages are sent FIFO at the mid-message priorities except for high-
+ * priority messages received from the Bluetooth driver.
+ */
+
+#define BT_PRIO_MAX      MQ_PRIO_MAX
+#define BT_PRIO_MIN      0
+
+#define BT_NORMAL_PRIO   (BT_PRIO_MIN + (BT_PRIO_MAX - BT_PRIO_MIN) / 2)
+#define BT_HIGH_PRIO     (BT_PRIO_MIN + 3 * (BT_PRIO_MAX - BT_PRIO_MIN) / 4)
+
+/* Verify that enough messages have been allocated */
+
+#define BT_NMSGS         (CONFIG_BLUETOOTH_TXCMD_NMSGS + \
+                          CONFIG_BLUETOOTH_TXCONN_NMSGS)
+
+#if BT_NMSGS > CONFIG_PREALLOC_MQ_MSGS
+#  warning WARNING: not enough pre-allocated messages
+#endif
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+struct bt_buf_s; /* Forward Reference */
+
+/****************************************************************************
+ * Name: bt_queue_open
+ *
+ * Description:
+ *   Open a message queue for read or write access.
+ *
+ * Input Parameters:
+ *   name   - The name of the message queue to open
+ *   oflags - Open flags with access mode
+ *   nmsgs  - Max number of messages in queue before bt_queue_send() blocks.
+ *   mqd    - The location in which to return the message queue descriptor
+ *
+ * Returned Value:
+ *   Zero is returned on success; a negated errno value is returned on any
+ *   failure;
+ *
+ ****************************************************************************/
+
+int bt_queue_open(FAR const char *name, int oflags, int nmsgs,
+                  FAR struct file *mqd);
+
+/****************************************************************************
+ * Name: bt_queue_receive
+ *
+ * Description:
+ *   Block until the next buffer is received on the queue.
+ *
+ * Input Parameters:
+ *   mqd - The message queue descriptor previously returned by
+ *         bt_open_*queue.
+ *   buf - The location in which to return the received buffer.
+ *
+ * Returned Value:
+ *   Zero is returned on success; a negated errno value is returned on any
+ *   failure;
+ *
+ ****************************************************************************/
+
+int bt_queue_receive(struct file *mqd, FAR struct bt_buf_s **buf);
+
+/****************************************************************************
+ * Name: bt_queue_send
+ *
+ * Description:
+ *   Send the buffer to the specified message queue
+ *
+ * Input Parameters:
+ *   mqd      - The message queue descriptor previously returned by
+ *              bt_open_*queue.
+ *   buf      - A reference to the buffer to be sent
+ *   priority - Either BT_NORMAL_PRIO or BT_NORMAL_HIGH.  NOTE:
+ *              BT_NORMAL_HIGHis only for use within the stack.  Drivers
+ *              should always use BT_NORMAL_PRIO.
+ *
+ * Returned Value:
+ *   Zero is returned on success; a negated errno value is returned on any
+ *   failure;
+ *
+ ****************************************************************************/
+
+int bt_queue_send(struct file *mqd,
+                  FAR struct bt_buf_s *buf,
+                  unsigned int priority);
+
+#endif /* __WIRELESS_BLUETOOTH_BT_QUEUE_H */