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使用自制的板子进行以太网模块调试,电路设计仿照28388评估板,在以太网输入25Mhz时钟那里有一点修改,在调试例程时发现卡在这里,请问是什么情况?
还有ethernet_ipc_ex1_basic_c28x1例程中这句话是要C28x1和CM同时运行吗?如何同时运行?
谢谢!
抱歉,之前漏掉了您的帖子。在该例程中有如下说明
//! \b External \b Connections \n //! This example programs the Ethernet module in External Loop back mode (at PHY) //! and hence needs external connection to the PHY on the MII interface and //! also the MDIO Pins connected to the PHY. This example assumes DP83822 PHY //! for the PHY configurations if a different PHY is used the sequences might change //! Refer to the C28x CPU1 code of ethernet_config_c28x project //! for which GPIOs are used for connecting to the PHY
另外您是否已通过C28x配置了以太网外围设备时钟和以太网端口?
您需要先在C28x Core中加载并运行ethernet_c28x_config 项目,然后在CM上加载以太网示例,如ethernet_ex2_phy_loopback。