STM32-frequency-measurement-

代码说明：

  该程序是基于STM32外部触发计数器的测频程序代码，可以测量的范围是0-100MHZ误差1 不到。(The program is based on the STM32 external trigger counter frequency measurement program code, can be measured in the range of 0-100MHZ error of less than 1 .)

文件列表：

STM32计数法测频率
.................\hardware
.................\........\12232
.................\........\.....\12232.c,3972,2013-08-04
.................\........\.....\12232.h,428,2013-08-02
.................\........\.....\readme.txt,68,2013-07-31
.................\........\TIMx_EXTERN_CLK
.................\........\...............\TIMx_EXTERN_CLK.c,1017,2013-08-05
.................\........\...............\timx_extern_clk.h,195,2013-08-05
.................\STM32F10x
.................\.........\cortexm3_macro.h,2225,2013-07-19
.................\.........\stm32f10x.h,593385,2013-07-19
.................\.........\stm32f10x_adc.h,18854,2013-07-19
.................\.........\stm32f10x_bkp.h,6911,2013-07-19
.................\.........\stm32f10x_can.h,12279,2013-07-19
.................\.........\stm32f10x_cl.h,42426,2013-07-19
.................\.........\stm32f10x_conf.h,6194,2013-07-19
.................\.........\stm32f10x_crc.h,1881,2013-07-19
.................\.........\stm32f10x_dac.h,9598,2013-07-19
.................\.........\stm32f10x_dbgmcu.h,2859,2013-07-19
.................\.........\stm32f10x_dma.h,17974,2013-07-19
.................\.........\stm32f10x_exti.h,5776,2013-07-19
.................\.........\stm32f10x_flash.h,13996,2013-07-19
.................\.........\stm32f10x_fsmc.h,19041,2013-07-19
.................\.........\stm32f10x_gpio.h,14820,2013-07-19
.................\.........\stm32f10x_i2c.h,16213,2013-07-19
.................\.........\stm32f10x_it.h,4511,2013-07-19
.................\.........\stm32f10x_iwdg.h,3414,2013-07-19
.................\.........\stm32f10x_lib.h,3200,2013-07-19
.................\.........\stm32f10x_map.h,28290,2013-07-19
.................\.........\stm32f10x_nvic.h,19198,2013-07-19
.................\.........\stm32f10x_pwr.h,3865,2013-07-19
.................\.........\stm32f10x_rcc.h,14783,2013-07-19
.................\.........\stm32f10x_rtc.h,3619,2013-07-19
.................\.........\stm32f10x_sdio.h,18326,2013-07-19
.................\.........\stm32f10x_spi.h,13782,2013-07-19
.................\.........\stm32f10x_systick.h,3212,2013-07-19
.................\.........\stm32f10x_tim.h,47203,2013-07-19
.................\.........\stm32f10x_type.h,3388,2013-07-19
.................\.........\stm32f10x_usart.h,14395,2013-07-19
.................\.........\stm32f10x_wwdg.h,2620,2013-07-19
.................\.........\system_stm32f10x.h,2404,2013-07-19
.................\.........\system_stm32f10x_cl.h,1672,2013-07-19
.................\.........\USB
.................\.........\...\usb_core.h,9015,2013-07-19
.................\.........\...\usb_def.h,2835,2013-07-19
.................\.........\...\usb_init.h,2540,2013-07-19
.................\.........\...\usb_int.h,1743,2013-07-19
.................\.........\...\usb_lib.h,1795,2013-07-19
.................\.........\...\usb_mem.h,1806,2013-07-19
.................\.........\...\usb_regs.h,28309,2013-07-19
.................\.........\...\usb_type.h,2845,2013-07-19
.................\system
.................\......\delay
.................\......\.....\delay.c,2037,2013-07-21
.................\......\.....\delay.h,876,2013-07-21
.................\......\sys
.................\......\...\sys.c,6887,2013-07-21
.................\......\...\sys.h,3839,2013-07-21
.................\......\usart
.................\......\.....\usart.c,3342,2013-07-21
.................\......\.....\usart.h,1054,2013-07-21
.................\user
.................\....\12232.crf,150832,2013-08-05
.................\....\12232.d,1249,2013-08-05
.................\....\12232.o,177596,2013-08-05
.................\....\delay.crf,147720,2013-08-05
.................\....\delay.d,1181,2013-08-05
.................\....\delay.o,172888,2013-08-05
.................\....\ExtDll.iex,19,2013-08-05
.................\....\exti.crf,155508,2013-08-04
.................\....\exti.d,1428,2013-08-04
.................\....\exti.o,182160,2013-08-04
.................\....\JLink Regs CM3.txt,497,2013-07-23
.................\....\JLinkLog.txt,49511,2013-07-23
.................\....\JLinkSettings.ini,285,2013-07-23
.................\....\key.crf,150166,2013-08-04
.................\....\key.d,1177,2013-08-04
.................\....\key.o,174916,2013-08-04
.................\....\key_exti.axf,34628,2013-08-05
.................\....\key_exti.htm,52475,2013-08-05
.................\....\key_exti.lnp,318,2013-08-05
.................\....\key_exti.map,66717,2013-08-05
.................\....\key_exti.sct,479,2013-07-23
.................\....\key_exti.tra,1195,2013-08-05
.................\....\key_exti.uvgui.Administrator,141309,2013-08-10
.................\....\key_exti.uvgui.hp,141641,2013-08-04
.................\....\key_exti.uvgui_Administrator.bak,141321,2013-08-05
.................\....\key_exti.uvgui_hp.bak,141475,2013-08-02
.................\....\key_exti.uvopt,13367,2013-08-10
.................\....\key_exti.uvproj,16664,2013-08-05
.................\....\key_exti_Target 1.dep,11023,2013-08-10
.................\....\key_exti_uvopt.bak,13367,2013-08-05
.................\....\key_exti_uvproj.bak,17042,2013-08-05
.................\....\led.crf,149234,2013-08-04
.................\....\led.d,1145,2013-08-04
.................\....\led.o,173220,2013-08-04
.................\....\main.c,1432,2013-08-05
.................\....\main.crf,150621,2013-08-05
.................\....\main.d,1253,2013-08-05