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PROCESSOR-SDK-OMAPL138: LcdkOmapl138平台上相同的代码只启动dsp运行时uart1发送数据正常,arm启动linux后启动dsp运行时uart1发送数据错乱。

Part Number: PROCESSOR-SDK-OMAPL138
Other Parts Discussed in Thread: OMAP-L138

问题:LcdkOmapl138平台上相同的代码只启动dsp运行时uart1发送数据正常,arm启动linux后启动dsp运行时uart1发送数据错乱。

排除了硬件,波特率不对或者软件差异导致的,怀疑是arm端上某个linux驱动复用引脚导致的,把可能导致问题的多余驱动禁止加载后还是有此问题。

请问还有什么原因会导致此问题呢?