public void setValueAt(Object aValue, int rowIndex, int columnIndex) {
			SpiSlave slave = vSlaves.get(rowIndex);
			switch(columnIndex) {
			case 0: slave.setReg((Integer)aValue); break;
			case 1: slave.setName((String)aValue); break;
			case 2: slave.setCompatible((String)aValue); break;
			case 3: slave.setSpiMaxFrequency((Integer)aValue); break;
			case 4: slave.setCpol((Boolean)aValue); break;
			case 5: slave.setCpha((Boolean)aValue); break;
			case 6: slave.setCsHigh((Boolean)aValue); break;
			default:
			}
		}