Merge pull request #918 from luc-github/esp8266

Add SPIFFS wrapper for info function

Author: igrr

cores/esp8266/FS.cpp

@@ -174,6 +174,13 @@ bool FS::format() {
     return _impl->format();
 }
 
+bool FS::info(uint32_t *total, uint32_t *used){
+    if (!_impl) {
+        return false;
+    }
+    return _impl->info(total,used);
+}
+
 File FS::open(const String& path, const char* mode) {
     return open(path.c_str(), mode);
 }

cores/esp8266/FS.h

@@ -93,6 +93,7 @@ class FS
     bool begin();
 
     bool format();
+    bool info(uint32_t *total, uint32_t *used);
 
     File open(const char* path, const char* mode);
     File open(const String& path, const char* mode);

cores/esp8266/FSImpl.h

@@ -64,6 +64,7 @@ class FSImpl {
 public:
     virtual bool begin() = 0;
     virtual bool format() = 0;
+    virtual bool info(uint32_t *total, uint32_t *used) = 0;
     virtual FileImplPtr open(const char* path, OpenMode openMode, AccessMode accessMode) = 0;
     virtual bool exists(const char* path) = 0;
     virtual DirImplPtr openDir(const char* path) = 0;

cores/esp8266/spiffs_api.cpp

@@ -76,6 +76,15 @@ class SPIFFSImpl : public FSImpl {
         return true;
     }
 
+    bool info(uint32_t *total, uint32_t *used) override{
+    auto rc = SPIFFS_info(&_fs, total, used);
+     if (rc != SPIFFS_OK) {
+            DEBUGV("SPIFFS_format: rc=%d, err=%d\r\n", rc, _fs.err_code);
+            return false;
+        }
+        return true;
+    }
+
     bool remove(const char* path) override {
         char tmpName[SPIFFS_OBJ_NAME_LEN];
         strlcpy(tmpName, path, sizeof(tmpName));