ST32 based on the (British蓓特) STM32V100 the EXTI procedures This example shows how to configure an external interrupt line.In this example, the EXTI line 9 is configured to generate an interrupt on eachfalling edge. In the interrupt routine a led connected to PC. 06 is toggled.This led will be toggled due to the softawre interrupt generated on EXTI Line9 then at each falling edge.

ST32exti
........\EXTI
........\....\listing
........\....\.......\cortexm3_macro.lst
........\....\.......\EXTI.map
........\....\.......\stm32f10x_vector.lst
........\....\obj
........\....\...\cortexm3_macro.o
........\....\...\EXTI.axf
........\....\...\EXTI.htm
........\....\...\EXTI.lnp
........\....\...\EXTI.plg
........\....\...\EXTI.sct
........\....\...\EXTI.tra
........\....\...\EXTI_sct.Bak
........\....\...\main.crf
........\....\...\main.d
........\....\...\main.o
........\....\...\main.txt
........\....\...\stm32f10x_exti.crf
........\....\...\stm32f10x_exti.d
........\....\...\stm32f10x_exti.o
........\....\...\stm32f10x_exti.txt
........\....\...\stm32f10x_flash.crf
........\....\...\stm32f10x_flash.d
........\....\...\stm32f10x_flash.o
........\....\...\stm32f10x_flash.txt
........\....\...\stm32f10x_gpio.crf
........\....\...\stm32f10x_gpio.d
........\....\...\stm32f10x_gpio.o
........\....\...\stm32f10x_gpio.txt
........\....\...\stm32f10x_it.crf
........\....\...\stm32f10x_it.d
........\....\...\stm32f10x_it.o
........\....\...\stm32f10x_it.txt
........\....\...\stm32f10x_lib.crf
........\....\...\stm32f10x_lib.d
........\....\...\stm32f10x_lib.o
........\....\...\stm32f10x_lib.txt
........\....\...\stm32f10x_nvic.crf
........\....\...\stm32f10x_nvic.d
........\....\...\stm32f10x_nvic.o
........\....\...\stm32f10x_nvic.txt
........\....\...\stm32f10x_rcc.crf
........\....\...\stm32f10x_rcc.d
........\....\...\stm32f10x_rcc.o
........\....\...\stm32f10x_rcc.txt
........\....\...\stm32f10x_vector.o
........\....\uvsion
........\....\......\cortexm3_macro.s
........\....\......\EXTI.Opt
........\....\......\EXTI.plg
........\....\......\EXTI.Uv2
........\....\......\EXTI_Opt.Bak
........\....\......\EXTI_Target 1.dep
........\....\......\EXTI_Uv2.Bak
........\....\......\main.c
........\....\......\RAM.ini
........\....\......\readme.txt
........\....\......\stm32f10x_conf.h
........\....\......\stm32f10x_it.c
........\....\......\stm32f10x_it.h
........\....\......\stm32f10x_vector.s
........\library
........\.......\inc
........\.......\...\cortexm3_macro.h
........\.......\...\stm32f10x_adc.h
........\.......\...\stm32f10x_bkp.h
........\.......\...\stm32f10x_can.h
........\.......\...\stm32f10x_dma.h
........\.......\...\stm32f10x_exti.h
........\.......\...\stm32f10x_flash.h
........\.......\...\stm32f10x_gpio.h
........\.......\...\stm32f10x_i2c.h
........\.......\...\stm32f10x_iwdg.h
........\.......\...\stm32f10x_lib.h
........\.......\...\stm32f10x_map.h
........\.......\...\stm32f10x_nvic.h
........\.......\...\stm32f10x_pwr.h
........\.......\...\stm32f10x_rcc.h
........\.......\...\stm32f10x_rtc.h
........\.......\...\stm32f10x_spi.h
........\.......\...\stm32f10x_systick.h
........\.......\...\stm32f10x_tim.h
........\.......\...\stm32f10x_tim1.h
........\.......\...\stm32f10x_type.h
........\.......\...\stm32f10x_usart.h
........\.......\...\stm32f10x_wwdg.h
........\.......\src
........\.......\...\stm32f10x_adc.c
........\.......\...\stm32f10x_bkp.c
........\.......\...\stm32f10x_can.c
........\.......\...\stm32f10x_dma.c
........\.......\...\stm32f10x_exti.c
........\.......\...\stm32f10x_flash.c
........\.......\...\stm32f10x_gpio.c
........\.......\...\stm32f10x_i2c.c
........\.......\...\stm32f10x_iwdg.c
........\.......\...\stm32f10x_lib.c
........\.......\...\stm32f10x_nvic.c

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