HDLC_ENCODING_BIPHASE_LEVEL
case ENCODING_MANCHESTER: new_encoding = HDLC_ENCODING_BIPHASE_LEVEL; break;
case HDLC_ENCODING_BIPHASE_LEVEL: val |= BIT12 + BIT11; break;
case HDLC_ENCODING_BIPHASE_LEVEL: val |= BIT12 + BIT11; break;
case HDLC_ENCODING_BIPHASE_LEVEL: