public BitConstant(List<Bit> bits) {
long constant_value = 0;
int constant_size = 0;
long bitmask = 0x1;
for (Bit bit : bits) {
if (bit.isOn()) {
constant_value |= bitmask;
}
bitmask <<= 1;
constant_size++;
}
constant = new BinaryNumber(constant_value, constant_size);
}
/**
* Gets the FPGA hardware resource usage of this component.
*
* @return a FPGAResource objec
*/
@Override
public FPGAResource getHardwareResourceUsage() {
int lutCount = 0;
Value inputValue = getDataPort().getValue();
for (int i = 0; i < inputValue.getSize(); i++) {
Bit inputBit = inputValue.getBit(i);
if (!inputBit.isConstant() && inputBit.isCare()) {
lutCount++;
}
}
FPGAResource hwResource = new FPGAResource();
hwResource.addLUT(lutCount);
return hwResource;
}