Merge pull request #8686 from cmonr/rollup

Rollup PR:

Author: Cruz Monrreal

features/cellular/easy_cellular/CellularConnectionFSM.cpp

@@ -84,6 +84,11 @@ void CellularConnectionFSM::stop()
         _queue_thread = NULL;
     }
 
+    if (_at_queue) {
+        _at_queue->chain(NULL);
+        _at_queue = NULL;
+    }    
+    
     if (_power) {
         _cellularDevice->close_power();
         _power = NULL;
@@ -131,6 +136,10 @@ nsapi_error_t CellularConnectionFSM::init()
     }
 
     _at_queue = _cellularDevice->get_queue();
+    if (!_at_queue) {
+        stop();
+        return NSAPI_ERROR_NO_MEMORY;
+    }
     _at_queue->chain(&_queue);
 
     _retry_count = 0;

features/frameworks/mbed-client-cli/mbed-client-cli/ns_cmdline.h

@@ -129,7 +129,7 @@ uint8_t cmd_history_size(uint8_t max);
  *  \param fmt   console print function (like printf)
  */
 #if defined(__GNUC__) || defined(__CC_ARM)
-void cmd_printf(const char *fmt, ...)  __attribute__ ((__format__(__printf__, 1, 2)));
+void cmd_printf(const char *fmt, ...)  __attribute__((__format__(__printf__, 1, 2)));
 #else
 void cmd_printf(const char *fmt, ...);
 #endif
@@ -139,7 +139,7 @@ void cmd_printf(const char *fmt, ...);
  *  \param ap   list of parameters needed by format string. This must correspond properly with the conversion specifier.
  */
 #if defined(__GNUC__) || defined(__CC_ARM)
-void cmd_vprintf(const char *fmt, va_list ap)  __attribute__ ((__format__(__printf__, 1, 0)));
+void cmd_vprintf(const char *fmt, va_list ap)  __attribute__((__format__(__printf__, 1, 0)));
 #else
 void cmd_vprintf(const char *fmt, va_list ap);
 #endif
@@ -273,6 +273,26 @@ void cmd_alias_add(const char *alias, const char *value);
  * \param value     Value for variable. Values can contains white spaces and '"' or '"' characters.
  */
 void cmd_variable_add(char *variable, char *value);
+/**
+ * Add integer variable to interpreter.
+ * Variables are replaced with values before executing a command.
+ * \code
+   cmd_variable_add_int("world", 2);
+   cmd_exe("echo $world"); // this is now same as 'echo 2' .
+ * \endcode
+ * \param variable  Variable name, which will be replaced in interpreter.
+ * \param value     Value for variable
+
+ */
+void cmd_variable_add_int(char *variable, int value);
+/**
+ * Request screen size from host
+ * Response are stored to variables:
+ * COLUMNS and LINES - as integer values.
+ * Note: Require terminal that handle request codes, like screen.
+ */
+void cmd_request_screen_size(void);
+
 
 /** find command parameter index by key.
  * e.g.