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MasatoKawatsuma · 2025-03-26

The problem ethernet link with NUCLEO-H755ZI-Q.The conditions are as follows:Board: NUCLEO-H755ZI-QEthenet select core: CM4STM32Cube_FW_H7: V1.12.1LWIP: V2.1.2DHCP clientIn this case, the Ack from the DHCP server could not be confirmed as being recei...

MasatoKawatsuma · 2025-03-28

Thank you.I had not assigned LWIP to SRAM3 in the linker file, so setting it as follows solved the problem.MEMORY { FLASH (rx) : ORIGIN = 0x08100000, LENGTH = 1024K RAM (xrw) : ORIGIN = 0x10000000, LENGTH = 256K RAM_LWIP (xrw) : ORIGIN = 0x1...

MasatoKawatsuma · 2025-03-28

The above thread mentions MPU, but I don't use MPU in my environment.・RTOS disabled・MPU not used Also, the following warning occurred while debugging dhcp, so I think it might be a problem with pbuf memory management.Assertion "pbuf_free: p->ref > 0"...

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DHCP error in LwIP Ethernet middleware on STM32H755 CM4

Re: DHCP error in LwIP Ethernet middleware on STM32H755 CM4

Re: DHCP error in LwIP Ethernet middleware on STM32H755 CM4