add: mem spiffs wipe

armsrc/appmain.c

@@ -1900,6 +1900,13 @@ static void PacketReceived(PacketCommandNG *packet) {
             LED_B_OFF();
             break;
         }
+        case CMD_SPIFFS_WIPE: {
+            LED_B_ON();
+            rdv40_spiffs_safe_wipe();
+            reply_ng(CMD_SPIFFS_WIPE, PM3_SUCCESS, NULL, 0);
+            LED_B_OFF();
+            break;
+        }
         case CMD_FLASHMEM_SET_SPIBAUDRATE: {
             if (packet->length != sizeof(uint32_t))
                 break;

armsrc/spiffs.c

@@ -472,16 +472,20 @@ int rdv40_spiffs_is_symlink(const char *s) {
 // ATTENTION : you must NOT provide the whole filename (so please do not include the .lnk extension)
 // TODO : integrate in read_function
 int rdv40_spiffs_read_as_symlink(char *filename, uint8_t *dst, uint32_t size, RDV40SpiFFSSafetyLevel level) {
-    RDV40_SPIFFS_SAFE_FUNCTION(                 //
-        char linkdest[SPIFFS_OBJ_NAME_LEN];     //
-        char linkfilename[SPIFFS_OBJ_NAME_LEN]; //
+    RDV40_SPIFFS_SAFE_FUNCTION(
+        char linkdest[SPIFFS_OBJ_NAME_LEN];
+        char linkfilename[SPIFFS_OBJ_NAME_LEN];
         sprintf(linkfilename, "%s.lnk", filename);
-        if (DBGLEVEL > 1) Dbprintf("Linkk real filename is  destination is : %s", linkfilename);
+
+        if (DBGLEVEL > 1) Dbprintf("Linkk real filename is : " _YELLOW_("%s"), linkfilename);
+
         read_from_spiffs((char *)linkfilename, (uint8_t *)linkdest, SPIFFS_OBJ_NAME_LEN);
-        if (DBGLEVEL > 1) Dbprintf("Symlink destination is : %s", linkdest);
-            read_from_spiffs((char *)linkdest, (uint8_t *)dst, size); //
-        )
-        }
+
+        if (DBGLEVEL > 1) Dbprintf("Symlink destination is : " _YELLOW_("%s"), linkdest);
+
+        read_from_spiffs((char *)linkdest, (uint8_t *)dst, size);
+    )
+}
 
 // BEWARE ! This function is DESTRUCTIVE as it will UPDATE an existing symlink
 // Since it creates a .lnk extension file it may be minor to mistake the order of arguments
@@ -601,6 +605,37 @@ void rdv40_spiffs_safe_print_tree(uint8_t banner) {
     rdv40_spiffs_lazy_mount_rollback(changed);
 }
 
+void rdv40_spiffs_safe_wipe(void) {
+
+    int changed = rdv40_spiffs_lazy_mount();
+
+    spiffs_DIR d;
+    struct spiffs_dirent e;
+    struct spiffs_dirent *pe = &e;
+    SPIFFS_opendir(&fs, "/", &d);
+
+    while ((pe = SPIFFS_readdir(&d, pe))) {
+
+        if (rdv40_spiffs_is_symlink((const char *)pe->name)) {
+            
+            char linkdest[SPIFFS_OBJ_NAME_LEN];
+            read_from_spiffs((char *)pe->name, (uint8_t *)linkdest, SPIFFS_OBJ_NAME_LEN);
+
+            remove_from_spiffs(linkdest);
+            Dbprintf(".lnk removed %s", pe->name);
+
+            remove_from_spiffs((char *)pe->name);
+            Dbprintf("removed %s", linkdest);
+
+        } else {
+            remove_from_spiffs((char *)pe->name);
+            Dbprintf("removed %s", pe->name);
+        }
+    }
+
+    SPIFFS_closedir(&d);
+    rdv40_spiffs_lazy_mount_rollback(changed);
+}
 
 // Selftest function
 void test_spiffs(void) {

armsrc/spiffs.h

@@ -58,6 +58,8 @@ int rdv40_spiffs_stat(char *filename, uint32_t *buf, RDV40SpiFFSSafetyLevel leve
 uint32_t size_in_spiffs(const char *filename);
 int exists_in_spiffs(const char *filename);
 
+void rdv40_spiffs_safe_wipe(void);
+
 #define SPIFFS_OK                       0
 #define SPIFFS_ERR_NOT_MOUNTED          -10000
 #define SPIFFS_ERR_FULL                 -10001