Based on the stm32f407 capacitive touch button, through the input capture function to do a capacitive touch, will use TIM2 channel 1 (PA5) to do the input capture, and to achieve a simple capacitive touch button, through the button to control the DS1 off.

test\CORE
....\....\core_cm4.h
....\....\core_cm4_simd.h
....\....\core_cmFunc.h
....\....\core_cmInstr.h
....\....\startup_stm32f40_41xxx.s
....\FWLIB
....\.....\inc
....\.....\...\misc.h
....\.....\...\stm32f4xx_adc.h
....\.....\...\stm32f4xx_can.h
....\.....\...\stm32f4xx_crc.h
....\.....\...\stm32f4xx_cryp.h
....\.....\...\stm32f4xx_dac.h
....\.....\...\stm32f4xx_dbgmcu.h
....\.....\...\stm32f4xx_dcmi.h
....\.....\...\stm32f4xx_dma.h
....\.....\...\stm32f4xx_dma2d.h
....\.....\...\stm32f4xx_exti.h
....\.....\...\stm32f4xx_flash.h
....\.....\...\stm32f4xx_flash_ramfunc.h
....\.....\...\stm32f4xx_fmc.h
....\.....\...\stm32f4xx_fsmc.h
....\.....\...\stm32f4xx_gpio.h
....\.....\...\stm32f4xx_hash.h
....\.....\...\stm32f4xx_i2c.h
....\.....\...\stm32f4xx_iwdg.h
....\.....\...\stm32f4xx_ltdc.h
....\.....\...\stm32f4xx_pwr.h
....\.....\...\stm32f4xx_rcc.h
....\.....\...\stm32f4xx_rng.h
....\.....\...\stm32f4xx_rtc.h
....\.....\...\stm32f4xx_sai.h
....\.....\...\stm32f4xx_sdio.h
....\.....\...\stm32f4xx_spi.h
....\.....\...\stm32f4xx_syscfg.h
....\.....\...\stm32f4xx_tim.h
....\.....\...\stm32f4xx_usart.h
....\.....\...\stm32f4xx_wwdg.h
....\.....\src
....\.....\...\misc.c
....\.....\...\stm32f4xx_adc.c
....\.....\...\stm32f4xx_can.c
....\.....\...\stm32f4xx_crc.c
....\.....\...\stm32f4xx_cryp.c
....\.....\...\stm32f4xx_cryp_aes.c
....\.....\...\stm32f4xx_cryp_des.c
....\.....\...\stm32f4xx_cryp_tdes.c
....\.....\...\stm32f4xx_dac.c
....\.....\...\stm32f4xx_dbgmcu.c
....\.....\...\stm32f4xx_dcmi.c
....\.....\...\stm32f4xx_dma.c
....\.....\...\stm32f4xx_dma2d.c
....\.....\...\stm32f4xx_exti.c
....\.....\...\stm32f4xx_flash.c
....\.....\...\stm32f4xx_flash_ramfunc.c
....\.....\...\stm32f4xx_fmc.c
....\.....\...\stm32f4xx_fsmc.c
....\.....\...\stm32f4xx_gpio.c
....\.....\...\stm32f4xx_hash.c
....\.....\...\stm32f4xx_hash_md5.c
....\.....\...\stm32f4xx_hash_sha1.c
....\.....\...\stm32f4xx_i2c.c
....\.....\...\stm32f4xx_iwdg.c
....\.....\...\stm32f4xx_ltdc.c
....\.....\...\stm32f4xx_pwr.c
....\.....\...\stm32f4xx_rcc.c
....\.....\...\stm32f4xx_rng.c
....\.....\...\stm32f4xx_rtc.c
....\.....\...\stm32f4xx_sai.c
....\.....\...\stm32f4xx_sdio.c
....\.....\...\stm32f4xx_spi.c
....\.....\...\stm32f4xx_syscfg.c
....\.....\...\stm32f4xx_tim.c
....\.....\...\stm32f4xx_usart.c
....\.....\...\stm32f4xx_wwdg.c
....\HARDWARE
....\........\LED
....\........\...\led.c
....\........\...\led.h
....\........\TPAD
....\........\....\tpad.c
....\........\....\tpad.h
....\keilkilll.bat
....\OBJ
....\...\TPAD.hex
....\readme.txt
....\SYSTEM
....\......\delay
....\......\.....\delay.c
....\......\.....\delay.h
....\......\sys
....\......\...\sys.c
....\......\...\sys.h
....\......\usart
....\......\.....\usart.c
....\......\.....\usart.h
....\USER
....\....\JLinkSettings.ini
....\....\main.c

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