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标题: M487 网口 DHCP 获取IP地址失败的问题 [打印本页]

作者: 578886174@qq.co 时间: 3 小时前
标题: M487 网口 DHCP 获取IP地址失败的问题
本帖最后由 578886174@qq.co 于 2025-12-22 09:50 编辑

使用EMAC_TxRx例程

地址修改为0
#define EMAC_PHY_ADDR 0UL /*!< PHY address, this address is board dependent \hideinitializer */

没有成功获取到IP地址

[2025-12-22 09:45:52.048]# RECV ASCII>
EMAC sample code start

[2025-12-22 09:45:55.208]# RECV ASCII>
DHCP DISCOVER...

[2025-12-22 09:45:55.473]# RECV ASCII>
DHCP DISCOVER retry: 1

[2025-12-22 09:45:55.741]# RECV ASCII>
DHCP DISCOVER retry: 2

[2025-12-22 09:45:55.990]# RECV ASCII>
DHCP DISCOVER retry: 3

[2025-12-22 09:45:56.271]# RECV ASCII>
DHCP DISCOVER retry: 4

[2025-12-22 09:45:56.520]# RECV ASCII>
DHCP DISCOVER retry: 5

[2025-12-22 09:45:56.801]# RECV ASCII>
DHCP DISCOVER retry: 6

[2025-12-22 09:45:57.049]# RECV ASCII>
DHCP DISCOVER retry: 7

[2025-12-22 09:45:57.314]# RECV ASCII>
DHCP DISCOVER retry: 8

[2025-12-22 09:45:57.581]# RECV ASCII>
DHCP DISCOVER retry: 9

[2025-12-22 09:45:57.833]# RECV ASCII>
DHCP DISCOVER retry: 10

[2025-12-22 09:45:58.112]# RECV ASCII>
DHCP DISCOVER retry: 11

[2025-12-22 09:45:58.365]# RECV ASCII>
DHCP DISCOVER retry: 12

[2025-12-22 09:45:58.627]# RECV ASCII>
DHCP DISCOVER retry: 13

[2025-12-22 09:45:58.892]# RECV ASCII>
DHCP DISCOVER retry: 14

[2025-12-22 09:45:59.156]# RECV ASCII>
DHCP DISCOVER retry: 15

[2025-12-22 09:45:59.424]# RECV ASCII>
DHCP failed, use static IP 192.168.10.10

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