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用的SDK的代码管脚用的是7*7的硬件封装，实际我们购买的设备是4*4的硬件分装，这个串口收发的管脚应该如何改？
其中：SDK用的是simplelink_cc2640r2_sdk_2_30_00_28
改成以下这样的可以吗？
