STM32F407的固件包，里面有各种库函数，还有STM32F4DISCOVERY开发板的各个模块例子stm32f4discovery_fw例子.......................\STM32F4-Discovery_FW_V1.1.0.......................\...........................\Libraries.......................\...........................\.........\CMSIS.......................\...........................\.........\.....\CMSIS END USER LICENCE 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