Bongjun Hur / W5500Interface

W5500 driver for mbed OS 5

Dependents:   http-webserver-example mbed-os-example-sockets

Fork of W5500Interface by Sergei G

Diff: WIZnet/W5500.cpp

Revision:
4:80e302a610fd
Parent:
3:61ff27ed8355
Child:
6:e2ab76b2be07
--- a/WIZnet/W5500.cpp	Wed Jul 05 18:37:40 2017 +0000
+++ b/WIZnet/W5500.cpp	Thu Jul 06 04:51:34 2017 +0000
@@ -170,6 +170,14 @@
     return true;
 }
 
+bool WIZnet_Chip::is_closed(int socket)
+{
+    if (sreg<uint8_t>(socket, Sn_SR) == SOCK_CLOSED) {
+        return true;
+    }
+    return false;
+}
+
 int WIZnet_Chip::wait_readable(int socket, int wait_time_ms, int req_size)
 {
     if (socket < 0) {