WIZnet / WIZnet_Library

This is WIZnet Ethernet Interface using Hardware TCP/IP chip, W5500, W5200 and W5100. One of them can be selected by enabling it in wiznet.h.

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other drivers

for only W5500 / WIZ550io user, you could use

Import libraryW5500Interface

This is the Interface library for WIZnet W5500 chip which forked of EthernetInterfaceW5500, WIZnetInterface and WIZ550ioInterface. This library has simple name as "W5500Interface". and can be used for Wiz550io users also.

Last commit 28 Apr 2015 by W5500-Ethernet-Interface Makers

Files at this revision

API Documentation at this revision

Revision 2:c2eb7a08d7e6, committed 2014-07-14

Comitter:
Bongjun
Date:
Mon Jul 14 23:52:10 2014 +0000
Parent:
1:8138a268fbd2
Child:
3:48348a6eaa72
Commit message:
in W5500.cpp, is_connected(), send() function is changed.

Changed in this revision

WIZnetInterface/WIZnet/W5500.cpp Show annotated file Show diff for this revision Revisions of this file 
--- a/WIZnetInterface/WIZnet/W5500.cpp	Fri May 09 01:17:51 2014 +0000
+++ b/WIZnetInterface/WIZnet/W5500.cpp	Mon Jul 14 23:52:10 2014 +0000
@@ -126,7 +126,15 @@
 
 bool WIZnet_Chip::is_connected(int socket)
 {
-    if (sreg<uint8_t>(socket, Sn_SR) == SOCK_ESTABLISHED) {
+    /*
+        if (sreg<uint8_t>(socket, Sn_SR) == SOCK_ESTABLISHED) {
+            return true;
+        }
+    */
+    uint8_t tmpSn_SR;
+    tmpSn_SR = sreg<uint8_t>(socket, Sn_SR);
+    // packet sending is possible, when state is SOCK_CLOSE_WAIT.
+    if ((tmpSn_SR == SOCK_ESTABLISHED) || (tmpSn_SR == SOCK_CLOSE_WAIT)) {
         return true;
     }
     return false;
@@ -146,7 +154,7 @@
 #endif
 
     reg_wr_mac(SHAR, mac);
-    
+
     // set RX and TX buffer size
     for (int socket = 0; socket < MAX_SOCK_NUM; socket++) {
         sreg<uint8_t>(socket, Sn_RXBUF_SIZE, 2);
@@ -222,13 +230,33 @@
     spi_write(ptr, cntl_byte, (uint8_t*)str, len);
     sreg<uint16_t>(socket, Sn_TX_WR, ptr + len);
     scmd(socket, SEND);
-    
-    while ((sreg<uint8_t>(socket, Sn_IR) & INT_SEND_OK) != INT_SEND_OK) {
-        if (sreg<uint8_t>(socket, Sn_SR) == CLOSED) {
-            close(socket);
-            return 0;
+    uint8_t tmp_Sn_IR;
+    while (( (tmp_Sn_IR = sreg<uint8_t>(socket, Sn_IR)) & INT_SEND_OK) != INT_SEND_OK) {
+        // @Jul.10, 2014 fix contant name, and udp sendto function.
+        switch (sreg<uint8_t>(socket, Sn_SR)) {
+            case SOCK_CLOSED :
+                close(socket);
+                return 0;
+                //break;
+            case SOCK_UDP :
+                // ARP timeout is possible.
+                if ((tmp_Sn_IR & INT_TIMEOUT) == INT_TIMEOUT) {
+                    sreg<uint8_t>(socket, Sn_IR, INT_TIMEOUT);
+                    return 0;
+                }
+                break;
+            default :
+                break;
         }
     }
+    /*
+        while ((sreg<uint8_t>(socket, Sn_IR) & INT_SEND_OK) != INT_SEND_OK) {
+            if (sreg<uint8_t>(socket, Sn_SR) == CLOSED) {
+                close(socket);
+                return 0;
+            }
+        }
+    */
     sreg<uint8_t>(socket, Sn_IR, INT_SEND_OK);
 
     return len;
@@ -291,7 +319,7 @@
         }
     }
     debug("\r\n");
-#endif    
+#endif
 }
 
 void WIZnet_Chip::spi_read(uint16_t addr, uint8_t cb, uint8_t *buf, uint16_t len)
@@ -318,7 +346,7 @@
     if ((addr&0xf0ff)==0x4026 || (addr&0xf0ff)==0x4003) {
         wait_ms(200);
     }
-#endif    
+#endif
 }
 
 uint32_t str_to_ip(const char* str)
@@ -343,7 +371,7 @@
     for(int i = 0; i < len; i++) {
         printf(" %02x", buf[i]);
     }
-    printf("\n");  
+    printf("\n");
 }
 
 void printHex(uint8_t* buf, int len)