It s a DS18B20 code for nios ii.

example14\altera_vhdl_support.vhd
.........\bht_ram.mif
.........\CPU.ocp
.........\CPU.vhd
.........\CPU_bht_ram.mif
.........\CPU_dc_tag_ram.mif
.........\CPU_ic_tag_ram.mif
.........\CPU_jtag_debug_module.vhd
.........\CPU_jtag_debug_module_wrapper.vhd
.........\CPU_ociram_default_contents.mif
.........\CPU_rf_ram_a.mif
.........\CPU_rf_ram_b.mif
.........\CPU_test_bench.vhd
.........\dc_tag_ram.mif
.........\ds18b20.asm.rpt
.........\ds18b20.bdf
.........\ds18b20.cdf
.........\ds18b20.done
.........\ds18b20.fit.eqn
.........\ds18b20.fit.rpt
.........\ds18b20.fit.smsg
.........\ds18b20.fit.summary
.........\ds18b20.flow.rpt
.........\ds18b20.jdi
.........\ds18b20.map.eqn
.........\ds18b20.map.rpt
.........\ds18b20.map.summary
.........\ds18b20.merge.rpt
.........\ds18b20.pin
.........\ds18b20.pof
.........\ds18b20.qpf
.........\ds18b20.qsf
.........\ds18b20.qws
.........\ds18b20.sof
.........\ds18b20.tan.rpt
.........\ds18b20.tan.summary
.........\ds18b20_assignment_defaults.qdf
.........\ic_tag_ram.mif
.........\JTAG_UART.vhd
.........\myCPU.bsf
.........\myCPU.ptf
.........\myCPU.ptf.bak
.........\myCPU.v
.........\myCPU.vhd
.........\myCPU_generation_script
.........\myCPU_log.txt
.........\myCPU_setup_quartus.tcl
.........\rf_ram_a.mif
.........\rf_ram_b.mif
.........\SDA.vhd
.........\SEG_DAT.vhd
.........\SEG_SEL.vhd
.........\sopc_builder_debug_log.txt
.........\sopc_builder_log.txt
.........\TIMER.vhd
.........\software\ds18b20_syslib\.cdtbuild
.........\........\..............\.cdtproject
.........\........\..............\.project
.........\........\..............\readme.txt
.........\........\..............\system.stf
.........\........\..............\Debug\crt0.d
.........\........\..............\.....\crt0.o
.........\........\..............\.....\libds18b20_syslib.a
.........\........\..............\.....\makefile
.........\........\..............\.....\system_description\alt_sys_init.c
.........\........\..............\.....\..................\generated.gdb
.........\........\..............\.....\..................\generated.sh
.........\........\..............\.....\..................\generated.x
.........\........\..............\.....\..................\generated_all.mk
.........\........\..............\.....\..................\generated_app.mk
.........\........\..............\.....\..................\system.h
.........\........\..............\.....\obj\altera_avalon_jtag_uart.d
.........\........\..............\.....\...\altera_avalon_jtag_uart.o
.........\........\..............\.....\...\altera_avalon_timer_sc.d
.........\........\..............\.....\...\altera_avalon_timer_sc.o
.........\........\..............\.....\...\altera_avalon_timer_ts.d
.........\........\..............\.....\...\altera_avalon_timer_ts.o
.........\........\..............\.....\...\altera_avalon_timer_vars.d
.........\........\..............\.....\...\altera_avalon_timer_vars.o
.........\........\..............\.....\...\alt_alarm_start.d
.........\........\..............\.....\...\alt_alarm_start.o
.........\........\..............\.....\...\alt_busy_sleep.d
.........\........\..............\.....\...\alt_busy_sleep.o
.........\........\..............\.....\...\alt_close.d
.........\........\..............\.....\...\alt_close.o
.........\........\..............\.....\...\alt_dcache_flush.d
.........\........\..............\.....\...\alt_dcache_flush.o
.........\........\..............\.....\...\alt_dcache_flush_all.d
.........\........\..............\.....\...\alt_dcache_flush_all.o
.........\........\..............\.....\...\alt_dev.d
.........\........\..............\.....\...\alt_dev.o
.........\........\..............\.....\...\alt_dev_llist_insert.d
.........\........\..............\.....\...\alt_dev_llist_insert.o
.........\........\..............\.....\...\alt_dma_rxchan_open.d
.........\........\..............\.....\...\alt_dma_rxchan_open.o
.........\........\..............\.....\...\alt_dma_txchan_open.d
.........\........\..............\.....\...\alt_dma_txchan_open.o
.........\........\..............\.....\..

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