Multi-Hackers / SocketModem

A library for talking to Multi-Tech's Cellular SocketModem Devices.

Dependents:   M2X_dev axeda_wrapper_dev MTS_M2x_Example1 MTS_Cellular_Connect_Example ... more

Files at this revision

API Documentation at this revision

Revision 152:9a2c7ed27744, committed 2014-09-02

Comitter:
mfiore
Date:
Tue Sep 02 18:38:55 2014 +0000
Parent:
151:483208276759
Commit message:
Wifi: fix compatibility break with old shields by checking for both old and new style responses to "show connection" command

Changed in this revision

wifi/Wifi.cpp Show annotated file Show diff for this revision Revisions of this file 
--- a/wifi/Wifi.cpp	Thu Aug 28 20:17:36 2014 +0000
+++ b/wifi/Wifi.cpp	Tue Sep 02 18:38:55 2014 +0000
@@ -363,9 +363,14 @@
         return socketOpened;
     }
     std::string response = sendCommand("show connection", 2000, "\n");
-    // response to "show connection" always starts with 8
+    // response to "show connection" always starts with "8"
     // http://ww1.microchip.com/downloads/en/DeviceDoc/rn-wiflycr-ug-v1.2r.pdf
     int start = response.find("8");
+    // but for some reason the old wifi sheilds give back a response starting with "f"
+    // perhaps a different firmware version
+    if (start == string::npos) {
+        start = response.find("f");
+    }
     if(start != string::npos && response.size() >= (start + 3)) {
         if(response[start + 3] == '1') {
             socketOpened = true;