问题：

stm32 标准外设库 去哪下载

 

解决：

 

http://www.st.com/content/st_com/en/products/embedded-software/mcus-embedded-software/stm32-embedded-software/stm32-standard-peripheral-libraries.html?querycriteria=productId=LN1939

 

搜索 stm32 standard peripheral library