异或(XOR)
/Applications/STM32CubeIDE.app/Contents/Eclipse/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.10.3-2021.10.macos64_1.0.100.202210260954/tools/bin/../lib/gcc/arm-none-eabi/10.3.1/../../../../arm-none-eabi/bin/ld: ./Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal.o: in function HAL_DeInit': /Users/zwy/Documents/zCode/zStm32/stm32-time/Debug/../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal.c:176: multiple definition of HAL_DeInit'; ./Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal 2.o:/Users/zwy/Documents/zCode/zStm32/stm32-time/Debug/../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal 2.c:176: first defined here
/Applications/STM32CubeIDE.app/Contents/Eclipse/plugins/com.st.stm32cube.ide.mcu.externaltools.gnu-tools-for-stm32.10.3-2021.10.macos64_1.0.100.202210260954/tools/bin/../lib/gcc/arm-none-eabi/10.3.1/../../../../arm-none-eabi/bin/ld: ./Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal.o: in function `HAL_Init':