Improvements to readSerialNumber Method #45
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…readSerialNumber method and generally improved to work with multiple chips that support this feature. Added method readSFDP used to support readSerialNumber.
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Added variable chipID to save when readID is first called in begin(). Can be retrieved later without calling readID() again. Command bytes can be determined by chipID in readSerialNumber. Spansion chips need command byte 0x5A, SST 0x88.
Added readSerialNumber() and readSFDP(). Method readSFDP() is used to support readSerialNumber(). Tested with Spansion S25FL127S and Spansion S25FL116K.
Chips that support but have not been tested:
- SST SST26VF032
- Winbond W25Q16JV
Chips that do not support SerialNumber (UniqueID):