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2291885_zh-CN
2291885_zh-CN
早上好
我导入了使用 UART 和 DMA 的示例。原始示例中使用的是 UART0。它很管用。我改用其他端口，现在试着用 UART4，但不行。我能看到 TX 结束时调用了回调，但 RX 结束时从未调用过回调。我不明白你的意思。我确信引脚和连接都没问题。我正在使用 KV5 的塔式系统。
我在这里提供一个稍作修改的示例，用于更改 UART。
欢迎提供一切帮助
谢谢
Pietro
你好，皮耶罗
能否帮助我们确认您使用的是哪个 UART-DMA 示例，以及是哪个版本的 SDK？
您能帮助我们分享您的联系吗？
最诚挚的问候，路易斯
文件在这里。
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