cc2430有两个穿行通信接口USART0和USART1，此源代码可以实现ZigBee节点与ＰＣ串口的通信，用于测试串口功能-cc2430 There are two walk through communication interface USART0 and USART1, the source code can be achieved ZigBee nodes and PC serial port communication, serial port functions for testi