This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

MSP430 IAR开发环境报错问题

在A.c文件中定义了 uint8_t  echo_buf_1[8]数组,然后在A.h头文件 extern了一下,在B.c包含 A.h文件,使用了ehcobuf,但是编译报错

Error[e46]: Undefined external "echo_buf_1" referred in adc10_a

请问这是怎么回事?