Based on DE2 FPGA development board refrigerator control system source code. Quartus 2 development environment. The main function is to check the system input, PWM output, control LED and so on.

refrigerator
............\COUNT.vhd
............\db
............\..\logic_util_heursitic.dat
............\..\prev_cmp_refrigerator.qmsg
............\..\refrigerator.asm.qmsg
............\..\refrigerator.asm.rdb
............\..\refrigerator.asm_labs.ddb
............\..\refrigerator.atom_map.rvd
............\..\refrigerator.cbx.xml
............\..\refrigerator.cmp.bpm
............\..\refrigerator.cmp.cdb
............\..\refrigerator.cmp.hdb
............\..\refrigerator.cmp.idb
............\..\refrigerator.cmp.kpt
............\..\refrigerator.cmp.logdb
............\..\refrigerator.cmp.rdb
............\..\refrigerator.cmp0.ddb
............\..\refrigerator.cmp1.ddb
............\..\refrigerator.cmp_merge.kpt
............\..\refrigerator.db_info
............\..\refrigerator.eda.qmsg
............\..\refrigerator.fit.qmsg
............\..\refrigerator.hier_info
............\..\refrigerator.hif
............\..\refrigerator.ipinfo
............\..\refrigerator.lpc.html
............\..\refrigerator.lpc.rdb
............\..\refrigerator.lpc.txt
............\..\refrigerator.map.ammdb
............\..\refrigerator.map.bpm
............\..\refrigerator.map.cdb
............\..\refrigerator.map.hdb
............\..\refrigerator.map.kpt
............\..\refrigerator.map.logdb
............\..\refrigerator.map.qmsg
............\..\refrigerator.map.rdb
............\..\refrigerator.map_bb.cdb
............\..\refrigerator.map_bb.hdb
............\..\refrigerator.map_bb.logdb
............\..\refrigerator.pplq.rdb
............\..\refrigerator.pre_map.hdb
............\..\refrigerator.pti_db_list.ddb
............\..\refrigerator.qns
............\..\refrigerator.root_partition.map.reg_db.cdb
............\..\refrigerator.routing.rdb
............\..\refrigerator.rpp.qmsg
............\..\refrigerator.rtlv.hdb
............\..\refrigerator.rtlv_sg.cdb
............\..\refrigerator.rtlv_sg_swap.cdb
............\..\refrigerator.sgdiff.cdb
............\..\refrigerator.sgdiff.hdb
............\..\refrigerator.sld_design_entry.sci
............\..\refrigerator.sld_design_entry_dsc.sci
............\..\refrigerator.smart_action.txt
............\..\refrigerator.sta.qmsg
............\..\refrigerator.sta.rdb
............\..\refrigerator.sta_cmp.6_slow.tdb
............\..\refrigerator.syn_hier_info
............\..\refrigerator.tis_db_list.ddb
............\..\refrigerator.tmw_info
............\..\refrigerator.vpr.ammdb
............\fre_div.bsf
............\fre_div.vhd
............\fre_div.vhd.bak
............\fre_div.vwf
............\incremental_db
............\..............\compiled_partitions
............\..............\...................\refrigerator.db_info
............\..............\...................\refrigerator.root_partition.cmp.ammdb
............\..............\...................\refrigerator.root_partition.cmp.cdb
............\..............\...................\refrigerator.root_partition.cmp.dfp
............\..............\...................\refrigerator.root_partition.cmp.hdb
............\..............\...................\refrigerator.root_partition.cmp.kpt
............\..............\...................\refrigerator.root_partition.cmp.logdb
............\..............\...................\refrigerator.root_partition.cmp.rcfdb
............\..............\...................\refrigerator.root_partition.map.cdb
............\..............\...................\refrigerator.root_partition.map.dpi
............\..............\...................\refrigerator.root_partition.map.hbdb.cdb
............\..............\...................\refrigerator.root_partition.map.hbdb.hb_info
............\..............\...................\refrigerator.root_partition.map.hbdb.hdb
............\..............\...................\refrigerator.root_partition.map.hbdb.sig
............\..............\...................\refrigerator.root_partition.map.hdb
............\..............\...................\refrigerator.root_partition.map.kpt
............\..............\README
............\output_files
............\............\refrigerator.asm.rpt
............\............\refrigerator.

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