源码/核心板/Src/stm32f10x_it.h
@@ -22,10 +22,16 @@ #ifndef __STM32F10x_IT_H #define __STM32F10x_IT_H #include "stm32f10x.h" #ifdef __cplusplus extern "C" { #endif extern volatile uint32_t g_beep_on_time; extern volatile uint32_t g_beep_off_time; /* * Tick timer interrupt handler to replace the default one. */