STM32H7芯片使用Lwip，大数据量会卡死程序

lan947785211

128字节能正常ping通，设置512字节，ping一会就会出现程序卡死的情况，需要重启单片机才能恢复。打开lwip自己的debug功能，卡死的情况没有出现任务输出。不确定问题出在哪里，使用STM32CUBEMX+freertos，lwip配置如下：

1. #define WITH_RTOS 1
   
2. /*----- CHECKSUM_BY_HARDWARE enabled -----*/
   
3. #define CHECKSUM_BY_HARDWARE 1
   
4. /*-----------------------------------------------------------------------------*/
   
5. 
   
6. /* LwIP Stack Parameters (modified compared to initialization value in opt.h) -*/
   
7. /* Parameters set in STM32CubeMX LwIP Configuration GUI -*/
   
8. /*----- Default value in ETH configuration GUI in CubeMx: 1524 -----*/
   
9. #define ETH_RX_BUFFER_SIZE 1536
   
10. /*----- Value in opt.h for MEM_ALIGNMENT: 1 -----*/
    
11. #define MEM_ALIGNMENT 4
    
12. /*----- Default Value for MEM_SIZE: 1600 ---*/
    
13. #define MEM_SIZE 14336
    
14. /*----- Default Value for H7 devices: 0x30004000 -----*/
    
15. #define LWIP_RAM_HEAP_POINTER 0x30004000
    
16. /*----- Value supported for H7 devices: 1 -----*/
    
17. #define LWIP_SUPPORT_CUSTOM_PBUF 1
    
18. /*----- Value in opt.h for LWIP_ETHERNET: LWIP_ARP || PPPOE_SUPPORT -*/
    
19. #define LWIP_ETHERNET 1
    
20. /*----- Value in opt.h for LWIP_DNS_SECURE: (LWIP_DNS_SECURE_RAND_XID | LWIP_DNS_SECURE_NO_MULTIPLE_OUTSTANDING | LWIP_DNS_SECURE_RAND_SRC_PORT) -*/
    
21. #define LWIP_DNS_SECURE 7
    
22. /*----- Value in opt.h for TCP_SND_QUEUELEN: (4*TCP_SND_BUF + (TCP_MSS - 1))/TCP_MSS -----*/
    
23. #define TCP_SND_QUEUELEN 9
    
24. /*----- Value in opt.h for TCP_SNDLOWAT: LWIP_MIN(LWIP_MAX(((TCP_SND_BUF)/2), (2 * TCP_MSS) + 1), (TCP_SND_BUF) - 1) -*/
    
25. #define TCP_SNDLOWAT 1071
    
26. /*----- Value in opt.h for TCP_SNDQUEUELOWAT: LWIP_MAX(TCP_SND_QUEUELEN)/2, 5) -*/
    
27. #define TCP_SNDQUEUELOWAT 5
    
28. /*----- Value in opt.h for TCP_WND_UPDATE_THRESHOLD: LWIP_MIN(TCP_WND/4, TCP_MSS*4) -----*/
    
29. #define TCP_WND_UPDATE_THRESHOLD 536
    
30. /*----- Default Value for LWIP_NETIF_STATUS_CALLBACK: 0 ---*/
    
31. #define LWIP_NETIF_STATUS_CALLBACK 1
    
32. /*----- Value in opt.h for LWIP_NETIF_LINK_CALLBACK: 0 -----*/
    
33. #define LWIP_NETIF_LINK_CALLBACK 1
    
34. /*----- Value in opt.h for TCPIP_THREAD_STACKSIZE: 0 -----*/
    
35. #define TCPIP_THREAD_STACKSIZE 1024
    
36. /*----- Value in opt.h for TCPIP_THREAD_PRIO: 1 -----*/
    
37. #define TCPIP_THREAD_PRIO 24
    
38. /*----- Value in opt.h for TCPIP_MBOX_SIZE: 0 -----*/
    
39. #define TCPIP_MBOX_SIZE 6
    
40. /*----- Value in opt.h for SLIPIF_THREAD_STACKSIZE: 0 -----*/
    
41. #define SLIPIF_THREAD_STACKSIZE 1024
    
42. /*----- Value in opt.h for SLIPIF_THREAD_PRIO: 1 -----*/
    
43. #define SLIPIF_THREAD_PRIO 3
    
44. /*----- Value in opt.h for DEFAULT_THREAD_STACKSIZE: 0 -----*/
    
45. #define DEFAULT_THREAD_STACKSIZE 1024
    
46. /*----- Value in opt.h for DEFAULT_THREAD_PRIO: 1 -----*/
    
47. #define DEFAULT_THREAD_PRIO 3
    
48. /*----- Value in opt.h for DEFAULT_UDP_RECVMBOX_SIZE: 0 -----*/
    
49. #define DEFAULT_UDP_RECVMBOX_SIZE 6
    
50. /*----- Value in opt.h for DEFAULT_TCP_RECVMBOX_SIZE: 0 -----*/
    
51. #define DEFAULT_TCP_RECVMBOX_SIZE 6
    
52. /*----- Value in opt.h for DEFAULT_ACCEPTMBOX_SIZE: 0 -----*/
    
53. #define DEFAULT_ACCEPTMBOX_SIZE 6
    
54. /*----- Value in opt.h for RECV_BUFSIZE_DEFAULT: INT_MAX -----*/
    
55. #define RECV_BUFSIZE_DEFAULT 2000000000
    
56. /*----- Value in opt.h for LWIP_STATS: 1 -----*/
    
57. #define LWIP_STATS 0
    
58. /*----- Value in opt.h for CHECKSUM_GEN_IP: 1 -----*/
    
59. #define CHECKSUM_GEN_IP 0
    
60. /*----- Value in opt.h for CHECKSUM_GEN_UDP: 1 -----*/
    
61. #define CHECKSUM_GEN_UDP 0
    
62. /*----- Value in opt.h for CHECKSUM_GEN_TCP: 1 -----*/
    
63. #define CHECKSUM_GEN_TCP 0
    
64. /*----- Value in opt.h for CHECKSUM_GEN_ICMP6: 1 -----*/
    
65. #define CHECKSUM_GEN_ICMP6 0
    
66. /*----- Value in opt.h for CHECKSUM_CHECK_IP: 1 -----*/
    
67. #define CHECKSUM_CHECK_IP 0
    
68. /*----- Value in opt.h for CHECKSUM_CHECK_UDP: 1 -----*/
    
69. #define CHECKSUM_CHECK_UDP 0
    
70. /*----- Value in opt.h for CHECKSUM_CHECK_TCP: 1 -----*/
    
71. #define CHECKSUM_CHECK_TCP 0
    
72. /*----- Value in opt.h for CHECKSUM_CHECK_ICMP6: 1 -----*/
    
73. #define CHECKSUM_CHECK_ICMP6 0
    
74. /*-----------------------------------------------------------------------------*/

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