Recently completed development board based on DE2-70FPGA audio processing procedures of the three days, finally completed. AD using the WM8731 chip collection, and then DA output to line out.

wm8731App1\mic.qpf
..........\mic.qsf
..........\sopc_builder_log.txt
..........\mic.map.summary
..........\mic.pin
..........\mic.fit.smsg
..........\mic.fit.summary
..........\mic.sof
..........\mic.pof
..........\mic.done
..........\serv_req_info.txt
..........\mic.dpf
..........\i2c_com.v.bak
..........\i2c_com.v
..........\audio_pll.v.bak
..........\audio_pll.v
..........\mic.map.smsg
..........\sinwave_gen.bsf
..........\mic.vhdl.bak
..........\mic.bsf
..........\mic.vhdl
..........\mic.v.bak
..........\mic.v
..........\i2c_com.bsf
..........\reg_config.bsf
..........\audio_pll.bsf
..........\reset_delay.bsf
..........\mic.bdf
..........\mic_description.txt
..........\mic.tan.summary
..........\mic.vwf
..........\pll.sdc
..........\pll.bsf
..........\altpllpll_0.v
..........\altpllpll_0_waveforms.html
..........\altpllpll_0_wave0.jpg
..........\altpllpll_0.ppf
..........\altpllpll_0_bb.v
..........\altpllpll_0.qip
..........\unnamed.sopc
..........\ADU_PLL1.bsf
..........\mic.cdf
..........\pll.v.bak
..........\pll.v
..........\dac_out.v.bak
..........\dac_out.v
..........\adc_read.v.bak
..........\adc_read.v
..........\sinwavegen.v.bak
..........\sinwavegen.v
..........\adc_read.vwf
..........\adc_read_bak.v
..........\dac_out.bsf
..........\adc_read.bsf
..........\twosel.bsf
..........\sinwavegen.bsf
..........\wm8731.bsf
..........\twosel.v.bak
..........\twosel.v
..........\reset_delay.v.bak
..........\reset_delay.v
..........\mic.sim.rpt
..........\sinwave_gen.v.bak
..........\sinwave_gen.v
..........\mic.map.rpt
..........\mic.fit.rpt
..........\mic.asm.rpt
..........\mic.tan.rpt
..........\mic.flow.rpt
..........\reg_config.v.bak
..........\reg_config.v
..........\wm8731.v.bak
..........\wm8731.v
..........\mic.qws
..........\pll\ADU_PLL1.ppf
..........\...\ADU_PLL1.qip
..........\...\ADU_PLL1.vhd
..........\...\ADU_PLL1_waveforms.html
..........\...\ADU_PLL1_wave0.jpg
..........\...\ADU_PLL1.bsf
..........\datasheet\DE2实践之WM8731产生正弦波（原创）（1）.doc
..........\.........\DE2实践之WM8731产生正弦波（原创）（2）.doc
..........\.........\WM8731_WM8731L.pdf
..........\.........\WM8731_WM8731LXX.pdf
..........\incremental_db\README
..........\..............\compiled_partitions\mic.root_partition.map.kpt
..........\..............\...................\mic.root_partition.map.atm
..........\..............\...................\mic.root_partition.map.hdbx
..........\..............\...................\mic.root_partition.cmp.rcf
..........\..............\...................\mic.root_partition.cmp.hdbx
..........\..............\...................\mic.root_partition.cmp.atm
..........\..............\...................\mic.root_partition.cmp.logdb
..........\..............\...................\mic.root_partition.cmp.kpt
..........\..............\...................\mic.root_partition.merge_hb.atm
..........\..............\...................\mic.root_partition.map.dpi
..........\..............\...................\mic.root_partition.cmp.dfp
..........\.sopc_builder\filters.xml
..........\.............\preferences.xml
..........\.............\install2.ptf
..........\db\wed.wsf

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