Add getNetworkAssignedIPAddress

Author: PaulZC

src/SparkFun_u-blox_SARA-R5_Arduino_Library.cpp

@@ -3509,6 +3509,58 @@ SARA_R5_error_t SARA_R5::activatePDPcontext(bool status, int cid)
   return err;
 }
 
+SARA_R5_error_t SARA_R5::getNetworkAssignedIPAddress(int profile, IPAddress *address)
+{
+  char *command;
+  char *response;
+  SARA_R5_error_t err;
+  int scanNum;
+  int profileStore = 0;
+  int paramVals[4];
+
+  command = sara_r5_calloc_char(strlen(SARA_R5_NETWORK_ASSIGNED_DATA) + 16);
+  if (command == NULL)
+    return SARA_R5_ERROR_OUT_OF_MEMORY;
+  sprintf(command, "%s=%d,0", SARA_R5_NETWORK_ASSIGNED_DATA, profile);
+
+  response = sara_r5_calloc_char(strlen(SARA_R5_NETWORK_ASSIGNED_DATA) + 32);
+  if (response == NULL)
+  {
+    free(command);
+    return SARA_R5_ERROR_OUT_OF_MEMORY;
+  }
+
+  err = sendCommandWithResponse(command, SARA_R5_RESPONSE_OK, response,
+                                SARA_R5_STANDARD_RESPONSE_TIMEOUT);
+
+  if (err == SARA_R5_ERROR_SUCCESS)
+  {
+    scanNum = sscanf(response, "+UPSND: %d,0,\"%d.%d.%d.%d\"",
+                      &profileStore,
+                      &paramVals[0], &paramVals[1], &paramVals[2], &paramVals[3]);
+    if (scanNum != 5)
+    {
+      if (_printDebug == true)
+      {
+        _debugPort->print(F("getNetworkAssignedIPAddress: error: scanNum is "));
+        _debugPort->println(scanNum);
+      }
+      free(command);
+      free(response);
+      return SARA_R5_ERROR_UNEXPECTED_RESPONSE;
+    }
+
+    IPAddress tempAddress = { (uint8_t)paramVals[0], (uint8_t)paramVals[1],
+                              (uint8_t)paramVals[2], (uint8_t)paramVals[3] };
+    *address = tempAddress;
+  }
+
+  free(command);
+  free(response);
+
+  return err;
+}
+
 bool SARA_R5::isGPSon(void)
 {
   SARA_R5_error_t err;

src/SparkFun_u-blox_SARA-R5_Arduino_Library.h

@@ -131,6 +131,7 @@ const char SARA_R5_MESSAGE_PDP_CONFIG[] = "+UPSD";            // Packet switched
 const char SARA_R5_MESSAGE_PDP_ACTION[] = "+UPSDA";           // Perform the action for the specified PSD profile
 const char SARA_R5_MESSAGE_PDP_CONTEXT_ACTIVATE[] = "+CGACT"; // Activates or deactivates the specified PDP context
 const char SARA_R5_MESSAGE_ENTER_PPP[] = "D";
+const char SARA_R5_NETWORK_ASSIGNED_DATA[] = "+UPSND";        // Packet switched network-assigned data
 // ### GPIO
 const char SARA_R5_COMMAND_GPIO[] = "+UGPIOC"; // GPIO Configuration
 // ### IP
@@ -702,7 +703,7 @@ class SARA_R5 : public Print
   SARA_R5_error_t setPDPconfiguration(int profile, SARA_R5_pdp_configuration_parameter_t parameter, IPAddress value);                   // Set parameters in the chosen PSD profile
   SARA_R5_error_t performPDPaction(int profile, SARA_R5_pdp_actions_t action);                                                          // Performs the requested action for the specified PSD profile.
   SARA_R5_error_t activatePDPcontext(bool status, int cid = -1);                                                                        // Activates or deactivates the specified PDP context. Default to all (cid = -1)
-  SARA_R5_error_t getNetworkAssignedIPAddress(int profile, IPAddress *address);
+  SARA_R5_error_t getNetworkAssignedIPAddress(int profile, IPAddress *address);                                                         // Get the dynamic IP address assigned during PDP context activation
 
   // GPS
   typedef enum