Changeset 75 for ctrl/firmware/Main/SES/Core

Timestamp:

Jan 30, 2025, 8:24:51 AM (3 months ago)

Author:

Zed

Message:

FatFs? is working, but without DMA.

File:

• ctrl/firmware/Main/SES/Core/Src/main_task.cpp (modified) (3 diffs)

ctrl/firmware/Main/SES/Core/Src/main_task.cpp

@@ -19 +19 @@
 //UINT ret;
 
-static FATFS fs;     // Filesystem object
+static FATFS fs;// __attribute__((section(".DTCM_RAM")));     // Filesystem object
 
+FRESULT scan_files (TCHAR* path);
+FRESULT list_dir (const char* path);
 
 //------------------------------------------------------------------------------
@@ -26 +28 @@
 [[noreturn]] void mainTaskStart(void *argument)
 {
+        (void)argument;
+
     FRESULT  r = f_mount(&fs, (const TCHAR*)"", 1);            // Mount the default drive
         if (r != FR_OK) printf("Cannot mount SD-card!\n");
-        else printf("SD-card was mounted.\n");
+        else
+        {
+                printf("SD-card was mounted.\n");
+
+                static TCHAR buff[256];
+                strcpy (buff, "/");
+                list_dir(buff);
+        }
 
         while(1)
@@ -37 +48 @@
         }
 }
+
+//------------------------------------------------------------------------------
+
+/* List contents of a directory */
+
+FRESULT list_dir (const TCHAR *path)
+{
+    FRESULT res;
+    DIR dir;
+    FILINFO fno;
+    int nfile, ndir;
+
+
+    res = f_opendir(&dir, path);                       /* Open the directory */
+    if (res == FR_OK) {
+        nfile = ndir = 0;
+        for (;;) {
+            res = f_readdir(&dir, &fno);                   /* Read a directory item */
+            if (res != FR_OK || fno.fname[0] == 0) break;  /* Error or end of dir */
+            if (fno.fattrib & AM_DIR) {            /* Directory */
+                printf("   <DIR>   %s\n", fno.fname);
+                ndir++;
+            } else {                               /* File */
+                printf("%10u %s\n", fno.fsize, fno.fname);
+                nfile++;
+            }
+        }
+        f_closedir(&dir);
+        printf("%d dirs, %d files.\n", ndir, nfile);
+    } else {
+        printf("Failed to open \"%s\". (%u)\n", path, res);
+    }
+    return res;
+}
+
+//------------------------------------------------------------------------------
+
+/* Recursive scan of all items in the directory */
+
+FRESULT scan_files (
+    TCHAR* path        /* Start node to be scanned (***also used as work area***) */
+)
+{
+    FRESULT res;
+    DIR dir;
+    UINT i;
+    static FILINFO fno;
+
+
+    res = f_opendir(&dir, path);                       /* Open the directory */
+    if (res == FR_OK) {
+        for (;;) {
+            res = f_readdir(&dir, &fno);                   /* Read a directory item */
+            if (res != FR_OK || fno.fname[0] == 0) break;  /* Break on error or end of dir */
+            if (fno.fattrib & AM_DIR) {                    /* It is a directory */
+                i = strlen(path);
+                sprintf(&path[i], "/%s", fno.fname);
+                res = scan_files(path);                    /* Enter the directory */
+                if (res != FR_OK) break;
+                path[i] = 0;
+            } else {                                       /* It is a file. */
+                printf("%s/%s\n", path, fno.fname);
+            }
+        }
+        f_closedir(&dir);
+    }
+
+    return res;
+}