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使用CC2530 SampleBridge-EB-Router做zll网关时,串口0可以接收但是无法串口发送?

Other Parts Discussed in Thread: CC2530

你好!在使用 SampleBridge-EB-Router做zll网关时,板子的arm芯片通过串口跟cc2530串口0通信,通过用示波器抓波形,发现arm芯片已经给cc2530发送串口数据,P02有波形,用CCDebug断点调试也发现CC2530已经接收数据并进行了相应的指令操作。但是CC2530串口回复数据时,P03没有波形输出,断点调试发现已经调用了HalUARTWriteDMA()函数。望TI工程师帮忙解答。