Using TI M4 chip, the input frequency is measured by using the method of capture. To catch the rising frequency of the pulse time, frequency calculation.

16位频率测量\boot_demo1.icf
............\ComS485.c.bak
............\CZ11MP11.dep
............\CZ11MP11.ewd
............\CZ11MP11.ewp
............\dead_band.c
............\DEAD_BAND.eww
............\.ebug\2230JP14.out
............\.....\2230JP14.sim
............\.....\2230JP15b2.bin
............\.....\2230JP15b2L.bin
............\.....\2230JP15b2L300ms.bin
............\.....\buttons.o
............\.....\buttons.pbi.cout
............\.....\BZB_GetPut.o
............\.....\BZB_GetPut.pbi.cout
............\.....\ComS485.o
............\.....\ComS485.pbi.cout
............\.....\CZ11MP11.pbd
............\.....\CZ11MP11.pbd.browse
............\.....\dead_band.pbi.cout
............\.....\Function.o
............\.....\Function.pbi.cout
............\.....\HgwPwm.o
............\.....\HgwPwm.pbi.cout
............\.....\KeyDisp.o
............\.....\KeyDisp.pbi.cout
............\.....\KeyTrack.o
............\.....\KeyTrack.pbi.cout
............\.....\main.o
............\.....\main.pbi.cout
............\.....\Numtran.o
............\.....\Numtran.pbi.cout
............\.....\pwm.o
............\.....\pwm.pbi
............\.....\pwm.pbi.cout
............\.....\startup_ewarm.o
............\.....\startup_ewarm.pbi
............\.....\startup_ewarm.pbi.cout
............\.....\SysSet.o
............\.....\SysSet.pbi.cout
............\.....\UART_GetPut.o
............\.....\UART_GetPut.pbi.cout
............\.....\Xiebo.o
............\.....\Xiebo.pbi.cout
............\pwm.c
............\Release\KeyDisp.o
............\.......\main.o
............\.......\startup_ewarm.o
............\.......\SysSet.o
............\settings\1000.wsdt
............\........\1001.wsdt
............\........\1002.wsdt
............\........\1004.wsdt
............\........\1005.wsdt
............\........\1006.wsdt
............\........\1007.wsdt
............\........\1008.wsdt
............\........\1009.wsdt
............\........\1010.wsdt
............\........\1011.wsdt
............\........\10ggr.wsdt
............\........\11ggr.wsdt
............\........\12ggr.wsdt
............\........\132G.wsdt
............\........\1362G.wsdt
............\........\13ggr.wsdt
............\........\14ggr.wsdt
............\........\15ggr.wsdt
............\........\16aggr.wsdt
............\........\16ggr.wsdt
............\........\18ggr.wsdt
............\........\192G.wsdt
............\........\1962G.wsdt
............\........\19e62G.wsdt
............\........\1DD9mG.wsdt
............\........\1DPPmG.wsdt
............\........\1ggr.wsdt
............\........\2230JP14P.wsdt
............\........\2230JP14P1.wsdt
............\........\2230JP14P1S.wsdt
............\........\2230JP14P2S.wsdt
............\........\2230JP14P4S.wsdt
............\........\2230JP14P5S.wsdt
............\........\2230JP15.wsdt
............\........\2230JP15d1.wsdt
............\........\2230JP15d2.wsdt
............\........\2230JP15d3.wsdt
............\........\2230JP15d6.wsdt
............\........\2230JP15d7.wsdt
............\........\2230JP15d8.wsdt
............\........\2230JP15e8.wsdt
............\........\225.wsdt
............\........\226.wsdt
............\........\227.wsdt
............\........\228.wsdt
............\........\229.wsdt
............\........\230.wsdt
............\........\231.wsdt
............\........\292G.wsdt

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