Initial commit: TXW82x FPV v2.7.0.7-42229 SDK + project sources

2026-07-06 11:30:13 +08:00
commit e76462eeb7
3451 changed files with 1415300 additions and 0 deletions
--- a/sdk/app/app_lcd/lvgl_osd_msi.c
+++ b/sdk/app/app_lcd/lvgl_osd_msi.c
@@ -0,0 +1,132 @@
+#include "app_lcd.h"
+
+#include "basic_include.h"
+#include "lib/multimedia/msi.h"
+#include "lib/heap/av_heap.h"
+#include "lib/heap/av_psram_heap.h"
+// data申请空间函数
+#define STREAM_MALLOC av_psram_malloc
+#define STREAM_FREE av_psram_free
+#define STREAM_ZALLOC av_psram_zalloc
+
+// 结构体申请空间函数
+#define STREAM_LIBC_MALLOC av_malloc
+#define STREAM_LIBC_FREE av_free
+#define STREAM_LIBC_ZALLOC av_zalloc
+
+#define MAX_LVGL_OSD_TX 2
+
+struct lvgl_osd_msi_s
+{
+    struct msi *msi;
+    struct fbpool tx_pool;
+};
+
+static int lvgl_osd_msi_action(struct msi *msi, uint32 cmd_id, uint32 param1, uint32 param2)
+{
+    int ret = RET_OK;
+    struct lvgl_osd_msi_s *lvgl_osd = (struct lvgl_osd_msi_s *)msi->priv;
+    switch (cmd_id)
+    {
+        // 暂时没有考虑释放
+        case MSI_CMD_POST_DESTROY:
+        {
+            struct framebuff *fb;
+            // 释放资源fb资源文件,priv是独立申请的
+            while (1)
+            {
+                fb = fbpool_get(&lvgl_osd->tx_pool, 0, NULL);
+                if (!fb)
+                {
+                    break;
+                }
+                // 预分配空间释放
+                if (fb->priv)
+                {
+                    STREAM_LIBC_FREE(fb->priv);
+                }
+            }
+            fbpool_destroy(&lvgl_osd->tx_pool);
+            STREAM_LIBC_FREE(lvgl_osd);
+        }
+        break;
+        // 接收,判断是类型是否可以支持压缩
+        case MSI_CMD_TRANS_FB:
+        {
+        }
+        break;
+        case MSI_CMD_FREE_FB:
+        {
+            struct framebuff *fb = (struct framebuff *)param1;
+
+            struct encode_data_s_callback *callback = (struct encode_data_s_callback *)fb->priv;
+            if (callback->finish_cb)
+            {
+                callback->finish_cb(callback->user_data);
+            }
+            if (callback->free_cb)
+            {
+                callback->free_cb(callback->user_data, fb->data);
+            }
+            // 这个data可能是lvgl那边的,暂时不需要释放
+            fb->data = NULL;
+            callback->finish_cb = NULL;
+            callback->free_cb = NULL;
+            callback->user_data = NULL;
+            // msi_get_fb(NULL,fb);
+
+            fbpool_put(&lvgl_osd->tx_pool, fb);
+            ret = RET_OK + 1;
+        }
+        break;
+        default:
+            break;
+    }
+    return ret;
+}
+
+struct framebuff *lvgl_osd_msi_get_fb(struct msi *msi)
+{
+    struct lvgl_osd_msi_s *lvgl_osd = (struct lvgl_osd_msi_s *)msi->priv;
+    struct framebuff *fb = fbpool_get(&lvgl_osd->tx_pool, 0, lvgl_osd->msi);
+    if(fb)
+    {
+        fb->mtype = F_RGB;
+        fb->stype = LVGL_RGB;
+    }
+
+    return fb;
+}
+
+// 拷贝osd到内存,然后发送出去,使用workqueue去作为任务吧
+struct msi *lvgl_osd_msi(const char *name)
+{
+    struct msi *msi = msi_new(name, 0, NULL);
+
+    struct lvgl_osd_msi_s *lvgl_osd = (struct lvgl_osd_msi_s *)msi->priv;
+
+    if (!lvgl_osd)
+    {
+        lvgl_osd = (struct lvgl_osd_msi_s *)STREAM_LIBC_ZALLOC(sizeof(struct lvgl_osd_msi_s));
+
+        lvgl_osd->msi = msi;
+
+        fbpool_init(&lvgl_osd->tx_pool, MAX_LVGL_OSD_TX);
+        int init_count = 0;
+        void *priv;
+        // 初始化framebuffer节点数量空间?最后由workqueue去从ringbuf去获取一个节点
+        while (init_count < MAX_LVGL_OSD_TX)
+        {
+            priv = (void *)STREAM_LIBC_ZALLOC(sizeof(struct encode_data_s_callback));
+            FBPOOL_SET_INFO(&lvgl_osd->tx_pool, init_count, NULL, 0, priv);
+            init_count++;
+        }
+        msi->priv = (void *)lvgl_osd;
+        msi->action = lvgl_osd_msi_action;
+        msi->enable = 1;
+        msi_add_output(lvgl_osd->msi, NULL, R_OSD_ENCODE);
+        msi_add_output(lvgl_osd->msi, NULL, R_CSC_MSI);
+    }
+
+    return msi;
+}