Freescale' s single-chip counters MC9SDG128B source for the pulse velocity measurement in the number of statistics, can achieve the speed measurement, distance measurement.

Counter
.......\bin
.......\...\Full_Chip_Simulation.abs
.......\...\Full_Chip_Simulation.abs.phy
.......\...\Full_Chip_Simulation.abs.s19
.......\...\Full_Chip_Simulation.map
.......\cmd
.......\...\Full_Chip_Simulation_Postload.cmd
.......\...\Full_Chip_Simulation_Preload.cmd
.......\...\Full_Chip_Simulation_Reset.cmd
.......\...\Full_Chip_Simulation_SetCPU.cmd
.......\...\Full_Chip_Simulation_Startup.cmd
.......\CODE
.......\....\Counter.c
.......\....\Counter.prm
.......\....\Cpu.c
.......\....\Cpu.h
.......\....\Events.c
.......\....\Events.h
.......\....\IO_Map.c
.......\....\IO_Map.h
.......\....\PE_Const.h
.......\....\PE_Error.h
.......\....\PE_Types.h
.......\....\TI1.c
.......\....\TI1.h
.......\....\Vectors.c
.......\Counter.dsk
.......\Counter.G_C
.......\Counter.mcp
.......\Counter.pe
.......\Counter_Data
.......\............\CWSettingsWindows.stg
.......\............\Full_Chip_Simulation
.......\............\....................\ObjectCode
.......\............\....................\..........\Counter.c.o
.......\............\....................\..........\Cpu.c.o
.......\............\....................\..........\datapage.c.o
.......\............\....................\..........\Events.c.o
.......\............\....................\..........\IO_Map.c.o
.......\............\....................\..........\Start12.c.o
.......\............\....................\..........\TI1.c.o
.......\............\....................\..........\Vectors.c.o
.......\............\....................\TargetDataWindows.tdt
.......\C_Layout.hwl
.......\Default.mem
.......\DOC
.......\...\Counter.txt
.......\...\Counter_Settings.xml
.......\...\Counter_SIGNALS.txt
.......\Full_Chip_Simulation.ini
.......\prm
.......\...\burner.bbl
.......\readme.txt
.......\Sources
.......\.......\datapage.c
.......\.......\Start12.c
.......\tips.txt

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