Cellular library for MTS Socket Modem Arduino Shield devices from Multi-Tech Systems

Dependents:   mtsas mtsas mtsas mtsas

Revision:
60:250c17af30fb
Parent:
59:5535f14e3cc4
Child:
66:8c55e2bf7270
--- a/Cellular/EasyIP.cpp	Wed Aug 13 21:15:05 2014 +0000
+++ b/Cellular/EasyIP.cpp	Wed Aug 13 21:38:20 2014 +0000
@@ -208,6 +208,7 @@
         active = false;
     }
     
+    //Updates pppConnected to reflect current connection state
     RadioState state;
     bool ppp = pppConnected;
     if (signal && regist && active) {
@@ -223,6 +224,7 @@
         pppConnected = false;
     }
     
+    //Compares current connection state with previous pppConnected variable state
     if (!ppp && state == CONNECTED) {
         logWarning("Internal PPP state tracking differs from radio (DISCONNECTED:CONNECTED)");
     } else if (ppp && state != CONNECTED) {
@@ -262,6 +264,7 @@
     }
 }
 
+//Opens socket connection
 bool EasyIP::open(const std::string& address, unsigned int port, Mode mode)
 {
     char sOpenSocketCmd[256] = {0}; //String for AT command
@@ -327,6 +330,7 @@
     } else {
         closeType = 255;
     }
+    
     //5) Open Socket  
     sprintf(sOpenSocketCmd, "AT#SD=1,%d,%d,%s,%d,%d,0", typeSocket, port, address.c_str(),closeType , local_port);
     std::string response = sendCommand(sOpenSocketCmd, 60000);
@@ -346,6 +350,7 @@
     return socketOpened;
 }
 
+//Closes socket connection
 bool EasyIP::close()
 {
     
@@ -375,6 +380,7 @@
         logDebug("Failed to close socket connection");
     }
     
+    //Clear receive buffer
     Timer tmr;
     int counter = 0;
     char tmp[256];
@@ -392,6 +398,7 @@
     return !socketOpened;
 }
 
+//Read from socket
 int EasyIP::read(char* data, int max, int timeout)
 {
     if(io == NULL) {
@@ -406,7 +413,6 @@
     }
 
     int bytesRead = 0;
-    
 
     if(timeout >= 0) {
         bytesRead = io->read(data, max, static_cast<unsigned int>(timeout));
@@ -438,6 +444,7 @@
     return bytesRead;
 }
 
+//Write to socket
 int EasyIP::write(const char* data, int length, int timeout)
 {
     if(io == NULL) {