many many small changes

switched to the new logging here and there
some cleanups
worked  on i2S
base class for files
id3 parsing

ext/sd/fat32/File.h

@@ -1,4 +1,4 @@
-class File {
+class File : public ::File {
 
 	static constexpr const char* NAME = "FAT32_File";
 	static constexpr const uint32_t F_EOF = 0xFFFFFFFF;
@@ -20,7 +20,7 @@ public:
 	}
 
 	/** the file's USED size */
-	uint32_t getSize() const {return h.getSize();}
+	uint32_t size() const {return h.getSize();}
 
 	/** the file's ALLOCATED size */
 	uint32_t getAllocatedSize() const {return clusters.size() * fs.tmp.bytesPerCluster;}
@@ -124,7 +124,7 @@ private:
 	int32_t _read(uint32_t readSize, uint8_t* dst) {
 
 		// EOF reached?
-		if (curAbsPos >= getSize()) {
+		if (curAbsPos >= size()) {
 			return F_EOF;
 		}
 
@@ -185,7 +185,7 @@ private:
 		curAbsPos += written;
 
 		// adjust the number of bytes used
-		if (this->getSize() < curAbsPos) {this->setSize(curAbsPos);}
+		if (this->size() < curAbsPos) {this->setSize(curAbsPos);}
 
 		return written;