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富芮坤8003a的 串口0 PA0 PA1接收 函数 如何配置 有相关例程吗 只能发送 数据 接收 好像没有反应
参考http://www.freqchip.net:4567/topic/709/%E4%BD%A0%E5%A5%BD-%E8%AF%B7%E6%95%99fr8003a%E4%B8%B2%E5%8F%A3%E6%80%8E%E4%B9%88%E6%94%B6%E5%8F%91%E6%95%B0%E6%8D%AE/3