当使用外部中断时，出现#20 identifier EXTI15_10_IRQChannel is undefinedSTM ，因为官方库升级的原因，该源程序帮你解决你的问题-When using an external interrupt, appear# 20 identifier EXTI15_10_IRQChannel is undefinedSTM, as reasons for the upgrade of the official repository of the source

本例程演示了STM开发板上的外部中断功能。运行时液晶屏上显示： STM32F10x DEMO EXTI TEST 按K1产生一次外部中断，L3将闪烁一次。 -This routine demonstrates STM development board external interrupt function. Run time is displayed on the LCD screen: STM32F10x DEMO EXTI TEST K1 generate an exter

STM32外部中断EXIT，火牛开发板，欢迎下载使用-STM32 EXIT

smt32 外面中断，对于如果要触发外部中断的是非常好的代码-smt32 EXTI interrupt program