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CC1310 在Pin interrupt中调用UART_Write()程序会阻塞,不再运行

Other Parts Discussed in Thread: CC1310

在看了CC1310 pinInterrupt这个例程后,将串口功能加入了进去,想在按键按下后,在Interrupt中通过串口写数据,结果发现只能写成功一次,之后程序就会阻塞。如果将UART_write()不放到pin interrupt中就不会出现这个问题,证明串口我使用的应该是正确的。请问各位TI工程师及各位论坛前辈这是怎么回事,求解答,谢谢