Two modules can communicate on the same bus, one address is 1 and the other address is 2, and send packets at the same time, only the data of address 1 is arbitrated, but the data of address 2 is not resent. What is the reason?
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软件和硬件可能都存在问题。
软件方面,地址2的节点是否启用自动重传。
硬件方面,如果板子是自己做的,检查总线电平是否存在异常。