.OutputEXTI.axf: Error: L6218E: Undefined symbol EXTI_PE5_Config (referred from main.o).
.OutputEXTI.axf: Error: L6218E: Undefined symbol GPIO_ReadOutputDateBit (referred from stm32f10x_it.o).
.OutputEXTI.axf: Error: L6218E: Undefined symbol NCIV_PriorityGroupConfig (referred from exit.o).
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