2s60_fft_acceleration.bdf

在stratix里实现快速傅立叶变换的具体源码

		(pt 64 24)
		(output)
		(text "OUT" (rect 48 15 65 27)(font "Courier New" (bold))(invisible))
		(text "OUT" (rect 48 15 65 27)(font "Courier New" (bold))(invisible))
		(line (pt 42 24)(pt 64 24)(line_width 1))
	)
	(drawing
		(line (pt 14 12)(pt 30 12)(line_width 1))
		(line (pt 14 37)(pt 31 37)(line_width 1))
		(line (pt 14 12)(pt 14 37)(line_width 1))
		(arc (pt 31 37)(pt 30 12)(rect 18 12 43 37)(line_width 1))
	)
)
(symbol
	(rect -120 -32 136 144)
	(text "systemclkpll" (rect 92 0 178 16)(font "Arial" (font_size 10)))
	(text "inst2" (rect 8 160 31 172)(font "Arial" ))
	(port
		(pt 0 64)
		(input)
		(text "inclk0" (rect 0 0 31 14)(font "Arial" (font_size 8)))
		(text "inclk0" (rect 4 51 35 65)(font "Arial" (font_size 8)))
		(line (pt 0 64)(pt 40 64)(line_width 1))
	)
	(port
		(pt 256 64)
		(output)
		(text "c0" (rect 0 0 14 14)(font "Arial" (font_size 8)))
		(text "c0" (rect 241 51 255 65)(font "Arial" (font_size 8)))
		(line (pt 256 64)(pt 208 64)(line_width 1))
	)
	(port
		(pt 256 80)
		(output)
		(text "c1" (rect 0 0 14 14)(font "Arial" (font_size 8)))
		(text "c1" (rect 241 67 255 81)(font "Arial" (font_size 8)))
		(line (pt 256 80)(pt 208 80)(line_width 1))
	)
	(port
		(pt 256 96)
		(output)
		(text "locked" (rect 0 0 36 14)(font "Arial" (font_size 8)))
		(text "locked" (rect 222 83 258 97)(font "Arial" (font_size 8)))
		(line (pt 256 96)(pt 208 96)(line_width 1))
	)
	(drawing
		(text "Stratix II" (rect 211 161 253 173)(font "Arial" ))
		(text "inclk0 frequency: 50.000 MHz" (rect 50 59 197 71)(font "Arial" ))
		(text "Operation Mode: Normal" (rect 50 73 169 85)(font "Arial" ))
		(text "Clk " (rect 51 96 71 108)(font "Arial" ))
		(text "Ratio" (rect 73 96 98 108)(font "Arial" ))
		(text "Ph (dg)" (rect 100 96 135 108)(font "Arial" ))
		(text "DC (%)" (rect 136 96 172 108)(font "Arial" ))
		(text "c0" (rect 54 111 65 123)(font "Arial" ))
		(text "9/5" (rect 78 111 93 123)(font "Arial" ))
		(text "0.00" (rect 106 111 127 123)(font "Arial" ))
		(text "50.00" (rect 140 111 167 123)(font "Arial" ))
		(text "c1" (rect 54 126 65 138)(font "Arial" ))
		(text "9/5" (rect 78 126 93 138)(font "Arial" ))
		(text "-113.40" (rect 100 126 136 138)(font "Arial" ))
		(text "50.00" (rect 140 126 167 138)(font "Arial" ))
		(line (pt 0 0)(pt 257 0)(line_width 1))
		(line (pt 257 0)(pt 257 177)(line_width 1))
		(line (pt 0 177)(pt 257 177)(line_width 1))
		(line (pt 0 0)(pt 0 177)(line_width 1))
		(line (pt 48 94)(pt 169 94)(line_width 1))
		(line (pt 48 108)(pt 169 108)(line_width 1))
		(line (pt 48 123)(pt 169 123)(line_width 1))
		(line (pt 48 138)(pt 169 138)(line_width 1))
		(line (pt 48 94)(pt 48 138)(line_width 1))
		(line (pt 70 94)(pt 70 138)(line_width 3))
		(line (pt 97 94)(pt 97 138)(line_width 3))
		(line (pt 133 94)(pt 133 138)(line_width 3))
		(line (pt 168 94)(pt 168 138)(line_width 1))
		(line (pt 40 48)(pt 208 48)(line_width 1))
		(line (pt 208 48)(pt 208 160)(line_width 1))
		(line (pt 40 160)(pt 208 160)(line_width 1))
		(line (pt 40 48)(pt 40 160)(line_width 1))
	)
)
(symbol
	(rect 336 216 624 456)
	(text "FFT_System" (rect 4 0 92 16)(font "Arial" (font_size 10)))
	(text "inst" (rect 4 224 21 236)(font "Arial" ))
	(port
		(pt 0 32)
		(input)
		(text "reset_n " (rect 0 0 47 14)(font "Arial" (font_size 8)))
		(text "reset_n " (rect 20 25 67 39)(font "Arial" (font_size 8)))
		(line (pt 0 32)(pt 16 32)(line_width 1))
	)
	(port
		(pt 0 48)
		(input)
		(text "sysclk " (rect 0 0 40 14)(font "Arial" (font_size 8)))
		(text "sysclk " (rect 20 41 60 55)(font "Arial" (font_size 8)))
		(line (pt 0 48)(pt 16 48)(line_width 1))
	)
	(port
		(pt 288 80)
		(output)
		(text "zs_addr_from_the_sdram[11..0] " (rect 0 0 186 14)(font "Arial" (font_size 8)))
		(text "zs_addr_from_the_sdram[11..0] " (rect 108 73 294 87)(font "Arial" (font_size 8)))
		(line (pt 272 80)(pt 288 80)(line_width 3))
	)
	(port
		(pt 288 96)
		(output)
		(text "zs_ba_from_the_sdram[1..0] " (rect 0 0 167 14)(font "Arial" (font_size 8)))
		(text "zs_ba_from_the_sdram[1..0] " (rect 124 89 291 103)(font "Arial" (font_size 8)))
		(line (pt 272 96)(pt 288 96)(line_width 3))
	)
	(port
		(pt 288 112)
		(output)
		(text "zs_cas_n_from_the_sdram " (rect 0 0 160 14)(font "Arial" (font_size 8)))
		(text "zs_cas_n_from_the_sdram " (rect 130 105 290 119)(font "Arial" (font_size 8)))
		(line (pt 272 112)(pt 288 112)(line_width 1))
	)
	(port
		(pt 288 128)
		(output)
		(text "zs_cke_from_the_sdram " (rect 0 0 145 14)(font "Arial" (font_size 8)))
		(text "zs_cke_from_the_sdram " (rect 142 121 287 135)(font "Arial" (font_size 8)))
		(line (pt 272 128)(pt 288 128)(line_width 1))
	)
	(port
		(pt 288 144)
		(output)
		(text "zs_cs_n_from_the_sdram " (rect 0 0 153 14)(font "Arial" (font_size 8)))
		(text "zs_cs_n_from_the_sdram " (rect 137 137 290 151)(font "Arial" (font_size 8)))
		(line (pt 272 144)(pt 288 144)(line_width 1))
	)
	(port
		(pt 288 176)
		(output)
		(text "zs_dqm_from_the_sdram[3..0] " (rect 0 0 177 14)(font "Arial" (font_size 8)))
		(text "zs_dqm_from_the_sdram[3..0] " (rect 115 169 292 183)(font "Arial" (font_size 8)))
		(line (pt 272 176)(pt 288 176)(line_width 3))
	)
	(port
		(pt 288 192)
		(output)
		(text "zs_ras_n_from_the_sdram " (rect 0 0 158 14)(font "Arial" (font_size 8)))
		(text "zs_ras_n_from_the_sdram " (rect 133 185 291 199)(font "Arial" (font_size 8)))
		(line (pt 272 192)(pt 288 192)(line_width 1))
	)
	(port
		(pt 288 208)
		(output)
		(text "zs_we_n_from_the_sdram " (rect 0 0 158 14)(font "Arial" (font_size 8)))
		(text "zs_we_n_from_the_sdram " (rect 134 201 292 215)(font "Arial" (font_size 8)))
		(line (pt 272 208)(pt 288 208)(line_width 1))
	)
	(port
		(pt 288 160)
		(bidir)
		(text "zs_dq_to_and_from_the_sdram[31..0] " (rect 0 0 220 14)(font "Arial" (font_size 8)))
		(text "zs_dq_to_and_from_the_sdram[31..0] " (rect 78 153 298 167)(font "Arial" (font_size 8)))
		(line (pt 272 160)(pt 288 160)(line_width 3))
	)
	(drawing
		(line (pt 16 64)(pt 271 64)(color 0 0 0)(dotted)(line_width 1))
		(rectangle (rect 16 16 272 224)(line_width 1))
	)
)
(connector
	(text "sysclk" (rect 280 248 313 260)(font "Arial" ))
	(pt 336 264)
	(pt 272 264)
)
(connector
	(pt 336 248)
	(pt 248 248)
)
(connector
	(pt 184 256)
	(pt 112 256)
)
(connector
	(pt 184 240)
	(pt 160 240)
)
(connector
	(text "sysclk" (rect 144 16 177 28)(font "Arial" ))
	(pt 136 32)
	(pt 200 32)
)
(connector
	(pt 160 240)
	(pt 160 64)
)
(connector
	(pt 160 64)
	(pt 136 64)
)
(connector
	(pt 136 48)
	(pt 224 48)
)
(connector
	(pt -120 32)
	(pt -184 32)
)
(connector
	(pt 624 296)
	(pt 664 296)
	(bus)
)
(connector
	(pt 624 312)
	(pt 664 312)
	(bus)
)
(connector
	(pt 624 328)
	(pt 664 328)
)
(connector
	(pt 624 344)
	(pt 664 344)
)
(connector
	(pt 624 360)
	(pt 664 360)
)
(connector
	(pt 624 424)
	(pt 664 424)
)
(connector
	(pt 624 408)
	(pt 664 408)
)
(connector
	(pt 624 392)
	(pt 664 392)
	(bus)
)
(connector
	(pt 624 376)
	(pt 664 376)
	(bus)
)