添加rtthread相关代码

2025-06-13 14:38:32 +08:00
parent caf2d9f0c5
commit 160f9f8201
1809 changed files with 648100 additions and 10 deletions
--- a/riscv/rtthread/components/drivers/include/ipc/dataqueue.h
+++ b/riscv/rtthread/components/drivers/include/ipc/dataqueue.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2006-2023, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ */
+#ifndef DATAQUEUE_H__
+#define DATAQUEUE_H__
+
+#include <rtdef.h>
+#include <rtconfig.h>
+
+#define RT_DATAQUEUE_EVENT_UNKNOWN   0x00
+#define RT_DATAQUEUE_EVENT_POP       0x01
+#define RT_DATAQUEUE_EVENT_PUSH      0x02
+#define RT_DATAQUEUE_EVENT_LWM       0x03
+
+struct rt_data_item;
+
+/* data queue implementation */
+struct rt_data_queue
+{
+    rt_uint32_t magic;
+
+    rt_uint16_t size;
+    rt_uint16_t lwm;
+
+    rt_uint16_t get_index : 15;
+    rt_uint16_t is_empty  : 1;
+    rt_uint16_t put_index : 15;
+    rt_uint16_t is_full   : 1;
+
+    struct rt_data_item *queue;
+    struct rt_spinlock spinlock;
+
+    rt_list_t suspended_push_list;
+    rt_list_t suspended_pop_list;
+
+    /* event notify */
+    void (*evt_notify)(struct rt_data_queue *queue, rt_uint32_t event);
+};
+
+/**
+ * DataQueue for DeviceDriver
+ */
+rt_err_t rt_data_queue_init(struct rt_data_queue *queue,
+                            rt_uint16_t           size,
+                            rt_uint16_t           lwm,
+                            void (*evt_notify)(struct rt_data_queue *queue, rt_uint32_t event));
+rt_err_t rt_data_queue_push(struct rt_data_queue *queue,
+                            const void           *data_ptr,
+                            rt_size_t             data_size,
+                            rt_int32_t            timeout);
+rt_err_t rt_data_queue_pop(struct rt_data_queue *queue,
+                           const void          **data_ptr,
+                           rt_size_t            *size,
+                           rt_int32_t            timeout);
+rt_err_t rt_data_queue_peek(struct rt_data_queue *queue,
+                            const void          **data_ptr,
+                            rt_size_t            *size);
+void rt_data_queue_reset(struct rt_data_queue *queue);
+rt_err_t rt_data_queue_deinit(struct rt_data_queue *queue);
+rt_uint16_t rt_data_queue_len(struct rt_data_queue *queue);
+
+#endif