增加蜂鸣器功能，增加硬件版本选择功能

zhyinch

2021-01-06 4ce8b29f46df33ab24521b504beccb513decf16f

 MDK-ARM/L051.uvprojx

@@ -574,6 +574,11 @@
              <FileName>stm32l0xx_hal_cortex.c</FileName>
              <FileType>1</FileType>
              <FilePath>../Drivers/STM32L0xx_HAL_Driver/Src/stm32l0xx_hal_cortex.c</FilePath>
            </File>
            <File>
              <FileName>stm32l0xx_hal_exti.c</FileName>
              <FileType>1</FileType>
              <FilePath>../Drivers/STM32L0xx_HAL_Driver/Src/stm32l0xx_hal_exti.c</FilePath>
            </File>
            <File>
              <FileName>stm32l0xx_hal_lptim.c</FileName>