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LAUNCHCC3235MOD: UART2_read函数调用时失败

Part Number: LAUNCHCC3235MOD
Other Parts Discussed in Thread: CC3235S

TI工程师您好

有两个问题请教一下。

想在评价板上实现下面功能。

问题1

Uart0收到数据通过Uart1串口输出。但是在Uart0读入时,调用UART2_read,第二次时就没有返回值。请问下面的硬件设定有什么问题吗?

引脚设定如下

Uart0:TX→Pin55 RX→Pin57

Uart1:TX→Pin01 Rx→Pin02

问题2

调试时单步运行发现代码跳跃,请问如何设置为不优化?