Remove the len parameter from the String version of socketWriteUDP

Author: PaulZC

src/SparkFun_u-blox_SARA-R5_Arduino_Library.cpp

@@ -2312,9 +2312,9 @@ SARA_R5_error_t SARA_R5::socketWriteUDP(int socket, IPAddress address, int port,
   return (socketWriteUDP(socket, (const char *)charAddress, port, str, len));
 }
 
-SARA_R5_error_t SARA_R5::socketWriteUDP(int socket, String address, int port, String str, int len)
+SARA_R5_error_t SARA_R5::socketWriteUDP(int socket, String address, int port, String str)
 {
-  return socketWriteUDP(socket, address.c_str(), port, str.c_str(), len);
+  return socketWriteUDP(socket, address.c_str(), port, str.c_str(), str.length());
 }
 
 SARA_R5_error_t SARA_R5::socketRead(int socket, int length, char *readDest)

src/SparkFun_u-blox_SARA-R5_Arduino_Library.h

@@ -660,7 +660,7 @@ class SARA_R5 : public Print
   // If you let len default to -1, strlen is used to calculate the data length - and will be incorrect for binary data
   SARA_R5_error_t socketWriteUDP(int socket, const char *address, int port, const char *str, int len = -1);
   SARA_R5_error_t socketWriteUDP(int socket, IPAddress address, int port, const char *str, int len = -1);
-  SARA_R5_error_t socketWriteUDP(int socket, String address, int port, String str, int len = -1);
+  SARA_R5_error_t socketWriteUDP(int socket, String address, int port, String str);
   // Read data from the specified socket
   // Call socketReadAvailable first to determine how much data is available - or use the callbacks (triggered by URC's)
   // Works for both TCP and UDP - but socketReadUDP is preferred for UDP as it records the remote IP Address and port