IAR STM32工程报错Error[Pe020]: identifier “GPIO_Pin_0”is undefined D:\STM32F103_Demo\App\main.c

IAR STM32工程报错:

Error[Pe020]: identifier "GPIO_Pin_0" is undefined D:\STM32F103_Demo\App\main.c

解决方法:

右键下图工程名选择Options

IAR STM32工程报错Error[Pe020]: identifier “GPIO_Pin_0”is undefined D:\STM32F103_Demo\App\main.c

在预处理里面加上下面这行

 

IAR STM32工程报错Error[Pe020]: identifier “GPIO_Pin_0”is undefined D:\STM32F103_Demo\App\main.c