CEC_ST_TX_DATA_BIT_1_LOW
pin->state = v ? CEC_ST_TX_DATA_BIT_1_LOW :
pin->state = v ? CEC_ST_TX_DATA_BIT_1_LOW :
pin->state = CEC_ST_TX_DATA_BIT_1_LOW;
case CEC_ST_TX_DATA_BIT_1_LOW:
v = pin->state == CEC_ST_TX_DATA_BIT_1_LOW;
case CEC_ST_TX_DATA_BIT_1_LOW: