根据你的STM32L4微控制器的Cortex核心类型,你需要在项目的预处理器设置中定义相应的宏。对于Cortex-M4核心,你应该定义ARM_MATH_CM4。修改项目配置: 如果你使用的是STM32CubeIDE,你可以通过以下步骤添加预处理器宏定义:右键点击你的项目,选择“Properties”。在...
Hi You need to tell arm_math which part you are building with by defining ARM_MATH_CM4, ARM_MATH_CM3, ARM_MATH_CM0, or ARM_MATH_CM0PLUS.For an example, see the preamp example for the EFM32WG development kit. It defines ARM_MATH_CM4 in Project > Properties > C/C++ Build Settings...