老师发的固件库添加进去的编译之后出现错误
..\Utilities\STM32_EVAL\STM32L152_EVAL\stm32l152_eval_lcd.h(32): error: #5: cannot open source input file "st
m32l1xx.h": No such file or directory
..\Utilities\STM32_EVAL\STM32L152_EVAL\stm32l152_eval_glass_lcd.h(31): error: #5: cannot open source input file "stm32l1xx.h": No such file or directory