unpack.h

用systemC制作的快速付立叶变换

// unpack.h
// Pierre Bomel - LESTER/UBS - janvier 2005
//    Formation chez France Telecom R&D
#include <systemc.h>

template <class T, int n, int period>
// T = sample type
// n = number of samples to pack together
// period = serialization period
SC_MODULE(unpack){
	sc_in<T> reals[n], imags[n];
	sc_inout<T> real, imag;
	T val;
	void unpack_it(){
		for(;;){
			wait();
			for(int i = 0; i < n; i++) {
				val = reals[i].read();
				//cout << i << " unpack " << val << endl;
				real.write(val);
				val = imags[i].read();
				//cout << i << " unpack " << val << endl;
				imag.write(val);
				wait(period, SC_NS);
			}
		}
	}
	SC_CTOR(unpack){
		SC_THREAD(unpack_it);
		for(int i = 0; i < n; i++) sensitive << reals[i] << imags[i];
	}
};