Trying to support lwip with w5500.

Ubiquitous/XiZi_IIoT/resources/ethernet/LwIP/arch/lwipopts.h

@@ -35,6 +35,11 @@
 /* ---------- Debug options ---------- */
 #ifndef LWIP_DEBUG
 #define LWIP_DEBUG  1
+// #define LWIP_SOCKET_DEBUG
+// #define LWIP_TCPIP_DEBUG
+// #define LWIP_TCP_INPUT_DEBUG
+// #define LWIP_TCP_OUTPUT_DEBUG
+// #define LWIP_NETIF_DEBUG
 #endif
 
 #ifdef LWIP_DEBUG
@@ -219,6 +224,7 @@
 #define LWIP_SOCKET_SELECT      1
 #define LWIP_SOCKET_POLL        1
 
+#define LWIP_DHCP_DOES_ACD_CHECK 0
 /**
  * SYS_LIGHTWEIGHT_PROT==1: if you want inter-task protection for certain
  * critical regions during buffer allocation, deallocation and memory
@@ -242,7 +248,11 @@
 /* MEM_ALIGNMENT: should be set to the alignment of the CPU for which
    lwIP is compiled. 4 byte alignment -> define MEM_ALIGNMENT to 4, 2
    byte alignment -> define MEM_ALIGNMENT to 2. */
+#ifndef RISCV_LWIP
 #define MEM_ALIGNMENT           4
+#else
+#define MEM_ALIGNMENT 8
+#endif
 
 /* MEM_SIZE: the size of the heap memory. If the application will send
 a lot of data that needs to be copied, this should be set high. */
@@ -287,7 +297,7 @@ a lot of data that needs to be copied, this should be set high. */
 
 /* Controls if TCP should queue segments that arrive out of
    order. Define to 0 if your device is low on memory. */
-#define TCP_QUEUE_OOSEQ         1
+#define TCP_QUEUE_OOSEQ 0
 
 /* TCP Maximum segment size. */
 #define TCP_MSS                 (1500 - 40)	  /* TCP_MSS = (Ethernet MTU - IP header size - TCP header size) */
@@ -442,7 +452,11 @@ The STM32F4x7 allows computing and verifying the IP, UDP, TCP and ICMP checksums
 /**
  * LWIP_NETCONN==1: Enable Netconn API (require to use api_lib.c)
  */
+#ifndef RISCV_LWIP
 #define LWIP_NETCONN                    1
+#else
+#define LWIP_NETCONN 0
+#endif
 
 /*
    ------------------------------------

Ubiquitous/XiZi_IIoT/resources/ethernet/LwIP/arch/sys_arch.c

@@ -338,11 +338,11 @@ void lwip_config_input(struct netif* net)
 
     th_id = sys_thread_new("eth_input", ethernetif_input, net, LWIP_TASK_STACK_SIZE, 30);
 
-    if (th_id >= 0) {
-        lw_print("%s %d successfully!\n", __func__, th_id);
-    } else {
-        lw_print("%s failed!\n", __func__);
-    }
+    // if (th_id >= 0) {
+    //     lw_print("%s %d successfully!\n", __func__, th_id);
+    // } else {
+    //     lw_print("%s failed!\n", __func__);
+    // }
 }
 
 void lwip_config_tcp(uint8_t enet_port, char* ip, char* mask, char* gw)

Ubiquitous/XiZi_IIoT/resources/ethernet/LwIP/include/lwip/arch.h

@@ -200,7 +200,9 @@ typedef uintptr_t mem_ptr_t;
 #include <unistd.h>
 #endif
 #else /* SSIZE_MAX */
+#ifndef RISCV_LWIP
 typedef int ssize_t;
+#endif
 #define SSIZE_MAX INT_MAX
 #endif /* SSIZE_MAX */