Modify wizchip_clrinterrupt() to set Sn_IR for clearing SIR.

It is not compatable to W5100.
It is only valid on W5500

Application/multicast/multicast.c

@@ -0,0 +1,113 @@
+#include "multicast.h"
+#include <stdio.h>
+#include "socket.h"
+#include "wizchip_conf.h"
+
+
+int32_t multicast_loopback(uint8_t sn, uint8_t* buf, uint8_t* multicast_ip, uint16_t multicast_port)
+{
+   int32_t  ret;
+   uint16_t size, sentsize;
+   uint8_t destip[4];
+   uint16_t destport, port=3000;
+
+   switch(getSn_SR(sn))
+   {
+      case SOCK_UDP :
+         if((size = getSn_RX_RSR(sn)) > 0)
+         {
+            if(size > DATA_BUF_SIZE) size = DATA_BUF_SIZE;
+            ret = recvfrom(sn, buf, size, destip, (uint16_t*)&destport);
+            if(ret <= 0)
+            {
+#ifdef _MULTICAST_DEBUG_
+               printf("%d: recvfrom error. %ld\r\n",sn,ret);
+#endif
+               return ret;
+            }
+            size = (uint16_t) ret;
+            sentsize = 0;
+            while(sentsize != size)
+            {
+               ret = sendto(sn, buf+sentsize, size-sentsize, destip, destport);
+               if(ret < 0)
+               {
+#ifdef _MULTICAST_DEBUG_
+                  printf("%d: sendto error. %ld\r\n",sn,ret);
+#endif
+                  return ret;
+               }
+               sentsize += ret; // Don't care SOCKERR_BUSY, because it is zero.
+            }
+         }
+
+         break;
+      case SOCK_CLOSED:
+#ifdef _MULTICAST_DEBUG_
+         printf("%d:Multicast Loopback start\r\n",sn);
+#endif
+         setSn_DIPR(0, multicast_ip);
+         setSn_DPORT(0, multicast_port);
+         if((ret = socket(sn, Sn_MR_UDP, port, Sn_MR_MULTI)) != sn)
+            return ret;
+#ifdef _MULTICAST_DEBUG_
+         printf("%d:Opened, UDP Multicast Socket\r\n", sn);
+         printf("%d:Multicast Group IP - %d.%d.%d.%d\r\n", sn, multicast_ip[0], multicast_ip[1], multicast_ip[2], multicast_ip[3]);
+         printf("%d:Multicast Group Port - %d\r\n", sn, multicast_port);
+#endif
+         break;
+      default :
+         break;
+   }
+   return 1;
+}
+
+int32_t multicast_recv(uint8_t sn, uint8_t* buf, uint8_t* multicast_ip, uint16_t multicast_port)
+{
+   int32_t  ret;
+   uint16_t size, port=3000;
+   uint8_t destip[4];
+   uint16_t destport;
+
+   switch(getSn_SR(sn))
+   {
+      case SOCK_UDP :
+         if((size = getSn_RX_RSR(sn)) > 0)
+         {
+            if(size > DATA_BUF_SIZE) size = DATA_BUF_SIZE;
+            ret = recvfrom(sn, buf, size, destip, (uint16_t*)&destport);
+            if(ret <= 0)
+            {
+#ifdef _MULTICAST_DEBUG_
+               printf("%d: recvfrom error. %ld\r\n",sn,ret);
+#endif
+               return ret;
+            }
+            size = (uint16_t) ret;
+#ifdef _MULTICAST_DEBUG_
+            printf("\r\nrecv size : %d\r\n", size);
+            for(int i=0; i<size; i++)
+            	printf("%c", buf[i]);
+            printf("\r\n");
+#endif
+         }
+         break;
+      case SOCK_CLOSED:
+#ifdef _MULTICAST_DEBUG_
+         printf("%d:Multicast Recv start\r\n",sn);
+#endif
+         setSn_DIPR(sn, multicast_ip);
+         setSn_DPORT(sn, multicast_port);
+         if((ret = socket(sn, Sn_MR_UDP, port, Sn_MR_MULTI)) != sn)
+            return ret;
+#ifdef _MULTICAST_DEBUG_
+         printf("%d:Opened, UDP Multicast Socket\r\n", sn);
+         printf("%d:Multicast Group IP - %d.%d.%d.%d\r\n", sn, multicast_ip[0], multicast_ip[1], multicast_ip[2], multicast_ip[3]);
+         printf("%d:Multicast Group Port - %d\r\n", sn, multicast_port);
+#endif
+         break;
+      default :
+         break;
+   }
+   return 1;
+}

Application/multicast/multicast.h

@@ -0,0 +1,28 @@
+#ifndef _MULTICAST_H_
+#define _MULTICAST_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+
+/* Multicast test debug message printout enable */
+#define _MULTICAST_DEBUG_
+
+#ifndef DATA_BUF_SIZE
+	#define DATA_BUF_SIZE			2048
+#endif
+
+/* UDP Multicast Loopback test example */
+int32_t multicast_loopback(uint8_t sn, uint8_t* buf, uint8_t* multicast_ip, uint16_t multicast_port);
+
+/* UDP Multicast Recv test example */
+int32_t multicast_recv(uint8_t sn, uint8_t* buf, uint8_t* multicast_ip, uint16_t multicast_port);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

Ethernet/socket.c

@@ -117,6 +117,7 @@ int8_t socket(uint8_t sn, uint8_t protocol, uint16_t port, uint8_t flag)
             uint32_t taddr;
             getSIPR((uint8_t*)&taddr);
             if(taddr == 0) return SOCKERR_SOCKINIT;
+	    break;
          }
       case Sn_MR_UDP :
       case Sn_MR_MACRAW :

Ethernet/wizchip_conf.c

@@ -521,7 +521,12 @@ void wizchip_clrinterrupt(intr_kind intr)
    setIR( ((((uint16_t)ir) << 8) | (((uint16_t)sir) & 0x00FF)) );
 #else
    setIR(ir);
-   setSIR(sir);
+//M20200227 : For clear
+   //setSIR(sir);
+   for(ir=0; ir<8; ir++){
+       if(sir & (0x01 <<ir) ) setSn_IR(ir, 0xff);
+   }
+
 #endif   
 }
 

Internet/httpServer/httpServer.c

@@ -169,7 +169,7 @@ void httpServer_run(uint8_t seqnum)
 
 						gettime = get_httpServer_timecount();
 						// Check the TX socket buffer for End of HTTP response sends
-						while(getSn_TX_FSR(s) != (getSn_TXBUF_SIZE(s)*1024))
+						while(getSn_TX_FSR(s) != (getSn_TxMAX(s)))
 						{
 							if((get_httpServer_timecount() - gettime) > 3)
 							{