stm32编程中遇到的问题

..USERstm32f10x_it.c(51): warning:  #223-D: function "EXTI_GenerteSWInterrupt" declared implicitly..USERstm32f10x_it.c(58): warning:  #223-D: function "EXTI_GenerteSWInterrupt" declared implicitlyProject.axf: Error: L6218E: Undefined symbol EXTI_GenerteSWInterrupt (referred from stm32f10x_it.o).
上面是我在编写中断时（NVIC和外部中断）遇到的问题是一个警告。哪位大哥大姐帮忙一下。程序在附件里。是一个中断嵌套问题。