ISAR_IRQBIT
irq = isar->read_reg(isar->hw, ISAR_IRQBIT);
isar->write_reg(isar->hw, ISAR_IRQBIT, 0);
isar->write_reg(isar->hw, ISAR_IRQBIT, 0);
isar->write_reg(isar->hw, ISAR_IRQBIT, ISAR_IRQSTA);
isar->write_reg(isar->hw, ISAR_IRQBIT, 0);
val = ReadISAR_IND(sf, ISAR_IRQBIT);
val = ReadISAR_IND(sf, ISAR_IRQBIT);
WriteISAR_IND(sf, ISAR_IRQBIT, ISAR_IRQMSK);
WriteISAR_IND(sf, ISAR_IRQBIT, 0);