In the Altera FPGA platform, using Verilog language to achieve the buzzer music, FPGA music code and engineering including music theory and implementation of Verilog, has been tested, can be downloaded directly to the FPGA operation, the buzzer play music.

PWM_music
.........\music_fre.m
.........\project
.........\.......\ROM.qip
.........\.......\db
.........\.......\..\altsyncram_1q01.tdf
.........\.......\..\altsyncram_9u71.tdf
.........\.......\..\logic_util_heursitic.dat
.........\.......\..\prev_cmp_pwm_music_top.qmsg
.........\.......\..\pwm_music_top.amm.cdb
.........\.......\..\pwm_music_top.asm.qmsg
.........\.......\..\pwm_music_top.asm.rdb
.........\.......\..\pwm_music_top.asm_labs.ddb
.........\.......\..\pwm_music_top.cbx.xml
.........\.......\..\pwm_music_top.cmp.bpm
.........\.......\..\pwm_music_top.cmp.cdb
.........\.......\..\pwm_music_top.cmp.hdb
.........\.......\..\pwm_music_top.cmp.kpt
.........\.......\..\pwm_music_top.cmp.logdb
.........\.......\..\pwm_music_top.cmp.rdb
.........\.......\..\pwm_music_top.cmp0.ddb
.........\.......\..\pwm_music_top.cmp1.ddb
.........\.......\..\pwm_music_top.cmp2.ddb
.........\.......\..\pwm_music_top.cmp_merge.kpt
.........\.......\..\pwm_music_top.db_info
.........\.......\..\pwm_music_top.fit.qmsg
.........\.......\..\pwm_music_top.hier_info
.........\.......\..\pwm_music_top.hif
.........\.......\..\pwm_music_top.idb.cdb
.........\.......\..\pwm_music_top.lpc.html
.........\.......\..\pwm_music_top.lpc.rdb
.........\.......\..\pwm_music_top.lpc.txt
.........\.......\..\pwm_music_top.map.bpm
.........\.......\..\pwm_music_top.map.cdb
.........\.......\..\pwm_music_top.map.hdb
.........\.......\..\pwm_music_top.map.kpt
.........\.......\..\pwm_music_top.map.logdb
.........\.......\..\pwm_music_top.map.qmsg
.........\.......\..\pwm_music_top.map_bb.cdb
.........\.......\..\pwm_music_top.map_bb.hdb
.........\.......\..\pwm_music_top.map_bb.logdb
.........\.......\..\pwm_music_top.pre_map.cdb
.........\.......\..\pwm_music_top.pre_map.hdb
.........\.......\..\pwm_music_top.pwm_music_top0.rtl.mif
.........\.......\..\pwm_music_top.rpp.qmsg
.........\.......\..\pwm_music_top.rtlv.hdb
.........\.......\..\pwm_music_top.rtlv_sg.cdb
.........\.......\..\pwm_music_top.rtlv_sg_swap.cdb
.........\.......\..\pwm_music_top.sgate.rvd
.........\.......\..\pwm_music_top.sgate_sm.rvd
.........\.......\..\pwm_music_top.sgdiff.cdb
.........\.......\..\pwm_music_top.sgdiff.hdb
.........\.......\..\pwm_music_top.sld_design_entry.sci
.........\.......\..\pwm_music_top.sld_design_entry_dsc.sci
.........\.......\..\pwm_music_top.smart_action.txt
.........\.......\..\pwm_music_top.sta.qmsg
.........\.......\..\pwm_music_top.sta.rdb
.........\.......\..\pwm_music_top.sta_cmp.8_slow.tdb
.........\.......\..\pwm_music_top.syn_hier_info
.........\.......\..\pwm_music_top.tan.qmsg
.........\.......\..\pwm_music_top.taw.rdb
.........\.......\..\pwm_music_top.tis_db_list.ddb
.........\.......\..\pwm_music_top.tmw_info
.........\.......\greybox_tmp
.........\.......\...........\cbx_args.txt
.........\.......\incremental_db
.........\.......\..............\README
.........\.......\..............\compiled_partitions
.........\.......\..............\...................\pwm_music_top.db_info
.........\.......\..............\...................\pwm_music_top.root_partition.cmp.cbp
.........\.......\..............\...................\pwm_music_top.root_partition.cmp.cdb
.........\.......\..............\...................\pwm_music_top.root_partition.cmp.dfp
.........\.......\..............\...................\pwm_music_top.root_partition.cmp.hdb
.........\.......\..............\...................\pwm_music_top.root_partition.cmp.kpt
.........\.......\..............\...................\pwm_music_top.root_partition.cmp.logdb
.........\.......\..............\...................\pwm_music_top.root_partition.cmp.rcfdb
.........\.......\..............\...................\pwm_music_top.root_partition.cmp.re.rcfdb
.........\.......\..............\...................\pwm_music_top.root_partition.map.cbp
.........\.......\..............\...................\pwm_music_top.root_partition.map.cdb
.........\.......\..............\...................\pwm_music_top.root_partition.map.dpi
.........\.......\..............\...................\pwm_music_top.root_pa

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