pure sdk for main

2025-08-27 09:51:58 +01:00
parent f0d033f1c9
commit 0571416e7c
3283 changed files with 1577720 additions and 1 deletions
@@ -0,0 +1,129 @@
+#include "minilzo.h"
+#include "lvImg.h"
+#include "custom_mem.h"
+#include "osal_file.h"
+struct lvImg_res_gc_s *lvImg_gc_obj_add(struct lvImg_res_gc_s *gc_img,lv_img_dsc_t *img)
+{
+    struct lvImg_res_gc_s *head = (struct lvImg_res_gc_s *)custom_malloc(sizeof(struct lvImg_res_gc_s));
+    head->img = img;
+    
+    if(gc_img)
+    {
+        head->next = gc_img;
+    }
+    else
+    {
+        head->next = NULL;
+    }
+    return head;
+}
+
+void fs_lv_img_free(lv_img_dsc_t * img)
+{
+    #ifdef PSRAM_HEAP
+        custom_free_psram(img);
+    #else
+        custom_free(img);
+    #endif
+}
+
+void lvImg_gc_loop(struct lvImg_res_gc_s *gc_img)
+{
+   struct lvImg_res_gc_s *head,*tmp_head;
+   head = gc_img;
+   while(head)
+   {
+        fs_lv_img_free(head->img);
+        tmp_head = head;
+        head = head->next;
+        custom_free(tmp_head);
+   } 
+}
+
+void *get_fs_lv_img(const char *filename)
+{
+    lv_img_dsc_t * img = NULL;
+    void *fp = osal_fopen(filename,"rb");
+    if(fp)
+    {
+        uint32_t filesize = osal_fsize(fp);
+        #ifdef PSRAM_HEAP
+            img = custom_malloc_psram(filesize);
+        #else
+            img = custom_malloc(filesize);
+        #endif
+        osal_fread(img,1,filesize,fp);
+        osal_fclose(fp);
+        img->data = (const uint8_t *)((uint32_t)&img->data + 4);
+    }
+    return img;
+}
+
+
+ 
+struct minilzo_head
+{
+    uint32_t src_len;
+    uint32_t dst_len;
+};
+
+void *get_fs_lv_img_lzo(const char *filename)
+{
+    lv_img_dsc_t * img = NULL;
+    struct minilzo_head head;
+    void *fp = osal_fopen(filename,"rb");
+    if(fp)
+    {
+        uint32_t filesize = osal_fsize(fp);
+        uint32_t img_struct_size = 0;
+        osal_fread(&head,1,sizeof(struct minilzo_head),fp);
+        os_printf("src_len:%d\tdst_len:%d\n",head.src_len,head.dst_len);
+        if(head.src_len > 0 && head.dst_len > 0)
+        {
+            img_struct_size = head.src_len + sizeof(lv_img_dsc_t);
+            #ifdef PSRAM_HEAP
+                img = custom_malloc_psram(img_struct_size);
+            #else
+                img = custom_malloc(img_struct_size);
+            #endif
+
+            //申请压缩的代码长度,解压需要用到的数据
+            #ifdef PSRAM_HEAP
+                uint8_t *img_lzo_buf = custom_malloc_psram(head.dst_len);
+            #else
+                uint8_t *img_lzo_buf = custom_malloc(head.dst_len);
+            #endif
+            //读取img的头数据
+            osal_fread(img,1,sizeof(lv_img_dsc_t),fp);
+
+
+            //读取lzo的数据,紧接的就是lzo数据
+            osal_fread(img_lzo_buf,1,head.dst_len,fp);
+            osal_fclose(fp);
+            uint32_t new_len = head.src_len;
+            //解压
+            lzo1x_decompress_safe(img_lzo_buf,head.dst_len,((uint8_t*)img)+sizeof(lv_img_dsc_t),(lzo_uint*)&new_len,NULL);
+            #ifdef PSRAM_HEAP
+                custom_free_psram(img_lzo_buf);
+            #else
+                custom_free(img_lzo_buf);
+            #endif
+            //osal_fread(img,1,filesize-sizeof(struct minilzo_head),fp);
+            img->data = (const uint8_t *)((uint8_t*)img)+sizeof(lv_img_dsc_t);
+        }
+        //非压缩
+        else
+        {
+            #ifdef PSRAM_HEAP
+                img = custom_malloc_psram(filesize-sizeof(lv_img_dsc_t));
+            #else
+                img = custom_malloc(filesize-sizeof(lv_img_dsc_t));
+            #endif
+            osal_fread(img,1,filesize-sizeof(lv_img_dsc_t),fp);
+            osal_fclose(fp);
+            img->data = (const uint8_t *)((uint32_t)&img->data + 4);
+        }
+
+    }
+    return img;
+}