enum e_QRECLevel

Available error correction levels (ECC) for QR-Code.

Enumerator:

eQREC_Low	=0: Lowest level. Data recovery capacity is approximately up to 7%.
eQREC_Medium	=1: Default EC-Level. Up to 15%
eQREC_Quartil	=2: Up to 25%
eQREC_High	=3: Highest level. Up to 30%