The current version of SdFat has an available() function that returns the correct unsigned 32-bit value on both AVR and ARM.
The Arduino SD.h available() returns the wrong answer for large files on both AVR and ARM.
The current version of SdFat has an available() function that returns the correct unsigned 32-bit value on both AVR and ARM.
The Arduino SD.h available() returns the wrong answer for large files on both AVR and ARM.