Merge pull request ARMmbed#49 from LemonBoy/erase_size

Correct calculation of the erase sector size
geky · Aug 17, 2017 · 0ac12a0 · 0ac12a0
2 parents c7347c9 + 705462d
commit 0ac12a0
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/SDBlockDevice.cpp b/SDBlockDevice.cpp
@@ -948,7 +948,7 @@ uint32_t SDBlockDevice::_sd_sectors() {
                 _erase_size = BLOCK_SIZE_HC;
             } else {
                 // ERASE_BLK_EN = 1: Erase in multiple of SECTOR_SIZE supported
-                _erase_size = ext_bits(csd, 45, 39);
+                _erase_size = BLOCK_SIZE_HC * (ext_bits(csd, 45, 39) + 1);
             }
             break;