Written entirely in verilog FPGA and CH372 USB devices to communicate with the computer. And computers can send and receive data, it has been tested successfully, if in doubt leave a message, the program may be a bit messy,

USB_send_recive\db\.cmp.kpt
...............\..\prev_cmp_USB.qmsg
...............\..\USB.asm.qmsg
...............\..\USB.asm.rdb
...............\..\USB.asm_labs.ddb
...............\..\USB.cbx.xml
...............\..\USB.cmp.bpm
...............\..\USB.cmp.cdb
...............\..\USB.cmp.hdb
...............\..\USB.cmp.idb
...............\..\USB.cmp.logdb
...............\..\USB.cmp.rdb
...............\..\USB.cmp_merge.kpt
...............\..\USB.cycloneive_io_sim_cache.31um_ff_1200mv_0c_fast.hsd
...............\..\USB.cycloneive_io_sim_cache.31um_ss_1200mv_0c_slow.hsd
...............\..\USB.cycloneive_io_sim_cache.31um_ss_1200mv_85c_slow.hsd
...............\..\USB.db_info
...............\..\USB.eda.qmsg
...............\..\USB.fit.qmsg
...............\..\USB.hier_info
...............\..\USB.hif
...............\..\USB.logic_util_heuristic.dat
...............\..\USB.lpc.html
...............\..\USB.lpc.rdb
...............\..\USB.lpc.txt
...............\..\USB.map.ammdb
...............\..\USB.map.bpm
...............\..\USB.map.cdb
...............\..\USB.map.hdb
...............\..\USB.map.kpt
...............\..\USB.map.logdb
...............\..\USB.map.qmsg
...............\..\USB.map.rdb
...............\..\USB.map_bb.cdb
...............\..\USB.map_bb.hdb
...............\..\USB.map_bb.logdb
...............\..\USB.pplq.rdb
...............\..\USB.pre_map.hdb
...............\..\USB.pti_db_list.ddb
...............\..\USB.root_partition.map.reg_db.cdb
...............\..\USB.routing.rdb
...............\..\USB.rtlv.hdb
...............\..\USB.rtlv_sg.cdb
...............\..\USB.rtlv_sg_swap.cdb
...............\..\USB.sld_design_entry.sci
...............\..\USB.sld_design_entry_dsc.sci
...............\..\USB.smart_action.txt
...............\..\USB.sta.qmsg
...............\..\USB.sta.rdb
...............\..\USB.sta_cmp.8_slow_1200mv_85c.tdb
...............\..\USB.tiscmp.fastest_slow_1200mv_0c.ddb
...............\..\USB.tiscmp.fastest_slow_1200mv_85c.ddb
...............\..\USB.tiscmp.fast_1200mv_0c.ddb
...............\..\USB.tiscmp.slow_1200mv_0c.ddb
...............\..\USB.tiscmp.slow_1200mv_85c.ddb
...............\..\USB.tis_db_list.ddb
...............\..\USB.tmw_info
...............\..\USB.vpr.ammdb
...............\incremental_db\compiled_partitions\USB.db_info
...............\..............\...................\USB.root_partition.cmp.ammdb
...............\..............\...................\USB.root_partition.cmp.cdb
...............\..............\...................\USB.root_partition.cmp.dfp
...............\..............\...................\USB.root_partition.cmp.hdb
...............\..............\...................\USB.root_partition.cmp.logdb
...............\..............\...................\USB.root_partition.cmp.rcfdb
...............\..............\...................\USB.root_partition.map.cdb
...............\..............\...................\USB.root_partition.map.dpi
...............\..............\...................\USB.root_partition.map.hbdb.cdb
...............\..............\...................\USB.root_partition.map.hbdb.hb_info
...............\..............\...................\USB.root_partition.map.hbdb.hdb
...............\..............\...................\USB.root_partition.map.hbdb.sig
...............\..............\...................\USB.root_partition.map.hdb
...............\..............\...................\USB.root_partition.map.kpt
...............\..............\...................\USB.rrp.hdb
...............\..............\README
...............\output_files\read_data.v
...............\............\read_data.v.bak
...............\............\send_cmd.v
...............\............\send_cmd.v.bak
...............\............\send_data.v
...............\............\send_data.v.bak
...............\............\USB.asm.rpt
...............\............\USB.done
...............\............\USB.eda.rpt
...............\............\USB.fit.rpt
...............\............\USB.fit.smsg
...............\............\USB.fit.summary
...............\............\USB.flow.rpt
...............\............\USB.jdi
..........

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