SFF_8472_SN_START
get_sff_string(ii, SFF_8472_BASE, SFF_8472_SN_START, vi->sn);
for (i = SFF_8472_SN_START; i < SFF_8472_SN_END; i++) {
string[i - SFF_8472_SN_START] = i2cd.data[0];