This document has three external interrupt function implements a function, that is, switching the LCD back light off. When any button is pressed, the backlight state changes. This document serial input interrupt function implements a function that echo the input character.

3.Key
.....\JLinkArm_Target 1.ini
.....\JLinkLog.txt
.....\Key.Uv2.bak
.....\Key.opt.bak
.....\Key.uvopt
.....\Key.uvproj
.....\Key_Opt.Bak
.....\Key_Target 1.dep
.....\Key_Uv2.Bak
.....\Lib
.....\...\core_cm3.c
.....\...\core_cm3.h
.....\...\inc
.....\...\...\misc.h
.....\...\...\stm32f10x_adc.h
.....\...\...\stm32f10x_bkp.h
.....\...\...\stm32f10x_can.h
.....\...\...\stm32f10x_crc.h
.....\...\...\stm32f10x_dac.h
.....\...\...\stm32f10x_dbgmcu.h
.....\...\...\stm32f10x_dma.h
.....\...\...\stm32f10x_exti.h
.....\...\...\stm32f10x_flash.h
.....\...\...\stm32f10x_fsmc.h
.....\...\...\stm32f10x_gpio.h
.....\...\...\stm32f10x_i2c.h
.....\...\...\stm32f10x_iwdg.h
.....\...\...\stm32f10x_pwr.h
.....\...\...\stm32f10x_rcc.h
.....\...\...\stm32f10x_rtc.h
.....\...\...\stm32f10x_sdio.h
.....\...\...\stm32f10x_spi.h
.....\...\...\stm32f10x_tim.h
.....\...\...\stm32f10x_usart.h
.....\...\...\stm32f10x_wwdg.h
.....\...\src
.....\...\...\misc.c
.....\...\...\stm32f10x_adc.c
.....\...\...\stm32f10x_bkp.c
.....\...\...\stm32f10x_can.c
.....\...\...\stm32f10x_crc.c
.....\...\...\stm32f10x_dac.c
.....\...\...\stm32f10x_dbgmcu.c
.....\...\...\stm32f10x_dma.c
.....\...\...\stm32f10x_exti.c
.....\...\...\stm32f10x_flash.c
.....\...\...\stm32f10x_fsmc.c
.....\...\...\stm32f10x_gpio.c
.....\...\...\stm32f10x_i2c.c
.....\...\...\stm32f10x_iwdg.c
.....\...\...\stm32f10x_pwr.c
.....\...\...\stm32f10x_rcc.c
.....\...\...\stm32f10x_rtc.c
.....\...\...\stm32f10x_sdio.c
.....\...\...\stm32f10x_spi.c
.....\...\...\stm32f10x_tim.c
.....\...\...\stm32f10x_usart.c
.....\...\...\stm32f10x_wwdg.c
.....\...\stm32f10x.h
.....\...\stm32f10x_conf.h
.....\...\stm32f10x_it.c
.....\...\stm32f10x_it.h
.....\...\system_stm32f10x.c
.....\...\system_stm32f10x.h
.....\Output
.....\......\Key.plg
.....\......\main.crf
.....\......\main.d
.....\......\main.o
.....\......\stm32f10x_gpio.crf
.....\......\stm32f10x_gpio.d
.....\......\stm32f10x_gpio.o
.....\Start
.....\.....\startup_stm32f10x_hd.s
.....\User
.....\....\Drivers.h
.....\....\Uart.c
.....\....\Uart.h
.....\....\main.c
.....\说明.txt

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