Diff: wnc_control.cpp

Revision:

10:df54436ecd38

Parent:

2:0e2ef866af95

Child:

19:f89baed3bd6f

--- a/wnc_control.cpp	Mon Jul 11 22:17:20 2016 +0000
+++ b/wnc_control.cpp	Mon Jul 11 23:54:24 2016 +0000
@@ -23,6 +23,7 @@
 
 // Contains the RAW WNC UART responses
 static string wncStr;
+static int socketOpen = 0;
 
 void software_init_mdm(void)
 {
@@ -70,11 +71,15 @@
       }
       else if (WNC_MDM_ERR == WNC_CMD_ERR)
         pc.puts("Socket open fail!!!!\r\n");
+      else
+        socketOpen = 1;
     } while (WNC_MDM_ERR != WNC_OK);
 }
 
 void sockwrite_mdm(const char * s)
 {
+    if (socketOpen == 1)
+    {
     do
     {
       WNC_MDM_ERR = WNC_OK;
@@ -92,10 +97,15 @@
         software_init_mdm();
       }
     } while (WNC_MDM_ERR != WNC_OK);
+    }
+    else
+      puts("Socket is closed for write!\r\n");
 }
 
 void sockread_mdm(string * sockData, int len, int retries)
 {
+    if (socketOpen == 1)
+    {
     do
     {
       WNC_MDM_ERR = WNC_OK;
@@ -108,6 +118,9 @@
       else if (WNC_MDM_ERR == WNC_CMD_ERR)
         puts("Sock read fail!!!!\r\n");
     } while (WNC_MDM_ERR != WNC_OK);
+    }
+    else
+      puts("Socket is closed for read\r\n");
 }
 
 void sockclose_mdm(void)
@@ -116,6 +129,10 @@
     {
       WNC_MDM_ERR = WNC_OK;
       at_sockclose_wnc();
+      // Assume close happened even if it went bad
+      // going bad will result in a re-init anyways and if close
+      // fails we're pretty much in bad state and not much can do
+      socketOpen = 0;
       if (WNC_MDM_ERR == WNC_NO_RESPONSE)
       {
         reinitialize_mdm();