1.air部署，细节待修改

Source/GPS/lwrb.h

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+/**
+ * \file            lwrb.h
+ * \brief           LwRB - Lightweight ring buffer
+ */
+
+/*
+ * Copyright (c) 2020 Tilen MAJERLE
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
+ * AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * This file is part of LwRB - Lightweight ring buffer library.
+ *
+ * Author:          Tilen MAJERLE <tilen@majerle.eu>
+ * Version:         v2.0.3
+ */
+#ifndef LWRB_HDR_H
+#define LWRB_HDR_H
+
+#include <string.h>
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+/**
+ * \defgroup        LWRB Lightweight ring buffer manager
+ * \brief           Lightweight ring buffer manager
+ * \{
+ */
+
+/**
+ * \brief           Enable buffer structure pointer parameters as volatile
+ * To use this feature, uncomment keyword below, or define in global compiler settings
+ */
+#ifndef LWRB_VOLATILE
+#define LWRB_VOLATILE                           /* volatile */
+#endif
+
+/**
+ * \brief           Adds 2 magic words to make sure if memory is corrupted
+ *                  application can detect wrong data pointer and maximum size
+ */
+#ifndef LWRB_USE_MAGIC
+#define LWRB_USE_MAGIC                          1
+#endif
+
+/**
+ * \brief           Event type for buffer operations
+ */
+typedef enum {
+    LWRB_EVT_READ,                              /*!< Read event */
+    LWRB_EVT_WRITE,                             /*!< Write event */
+    LWRB_EVT_RESET,                             /*!< Reset event */
+} lwrb_evt_type_t;
+
+/**
+ * \brief           Buffer structure forward declaration
+ */
+struct lwrb;
+
+/**
+ * \brief           Event callback function type
+ * \param[in]       buff: Buffer handle for event
+ * \param[in]       evt: Event type
+ * \param[in]       bp: Number of bytes written or read (when used), depends on event type
+ */
+typedef void (*lwrb_evt_fn)(struct lwrb* buff, lwrb_evt_type_t evt, size_t bp);
+
+/**
+ * \brief           Buffer structure
+ */
+typedef struct lwrb {
+#if LWRB_USE_MAGIC
+    uint32_t magic1;                            /*!< Magic 1 word */
+#endif /* LWRB_USE_MAGIC */
+    uint8_t* buff;                              /*!< Pointer to buffer data.
+                                                    Buffer is considered initialized when `buff != NULL` and `size > 0` */
+    LWRB_VOLATILE size_t size;                  /*!< Size of buffer data. Size of actual buffer is `1` byte less than value holds */
+    LWRB_VOLATILE size_t r;                     /*!< Next read pointer. Buffer is considered empty when `r == w` and full when `w == r - 1` */
+    LWRB_VOLATILE size_t w;                     /*!< Next write pointer. Buffer is considered empty when `r == w` and full when `w == r - 1` */
+    lwrb_evt_fn evt_fn;                         /*!< Pointer to event callback function */
+#if LWRB_USE_MAGIC
+    uint32_t magic2;                            /*!< Magic 2 word */
+#endif /* LWRB_USE_MAGIC */
+} lwrb_t;
+
+uint8_t     lwrb_init(lwrb_t* buff, void* buffdata, size_t size);
+uint8_t     lwrb_is_ready(lwrb_t* buff);
+void        lwrb_free(lwrb_t* buff);
+void        lwrb_reset(lwrb_t* buff);
+void        lwrb_set_evt_fn(lwrb_t* buff, lwrb_evt_fn fn);
+
+/* Read/Write functions */
+size_t      lwrb_write(lwrb_t* buff, const void* data, size_t btw);
+size_t      lwrb_read(lwrb_t* buff, void* data, size_t btr);
+size_t      lwrb_peek(lwrb_t* buff, size_t skip_count, void* data, size_t btp);
+
+/* Buffer size information */
+size_t      lwrb_get_free(lwrb_t* buff);
+size_t      lwrb_get_full(lwrb_t* buff);
+
+/* Read data block management */
+void*       lwrb_get_linear_block_read_address(lwrb_t* buff);
+size_t      lwrb_get_linear_block_read_length(lwrb_t* buff);
+size_t      lwrb_skip(lwrb_t* buff, size_t len);
+
+/* Write data block management */
+void*       lwrb_get_linear_block_write_address(lwrb_t* buff);
+size_t      lwrb_get_linear_block_write_length(lwrb_t* buff);
+size_t      lwrb_advance(lwrb_t* buff, size_t len);
+
+/**
+ * \}
+ */
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* LWRB_HDR_H */