Adding sectorsize() and numSectors() to SD (espressif#6457)

* Update SD.h * Added numSectors() and sectorSize()

Author: tobozo

libraries/SD/src/SD.cpp

@@ -75,6 +75,22 @@ uint64_t SDFS::cardSize()
  return (uint64_t)sectors * sectorSize;
 }
 
+size_t SDFS::numSectors()
+{
+ if(_pdrv == 0xFF) {
+ return 0;
+ }
+ return sdcard_num_sectors(_pdrv);
+}
+
+size_t SDFS::sectorSize()
+{
+ if(_pdrv == 0xFF) {
+ return 0;
+ }
+ return sdcard_sector_size(_pdrv);
+}
+
 uint64_t SDFS::totalBytes()
 {
 FATFS* fsinfo;

libraries/SD/src/SD.h

@@ -32,6 +32,8 @@ class SDFS : public FS
  void end();
  sdcard_type_t cardType();
  uint64_t cardSize();
+ size_t numSectors();
+ size_t sectorSize();
  uint64_t totalBytes();
  uint64_t usedBytes();
  bool readRAW(uint8_t* buffer, uint32_t sector);