at_commands: fix AT+RESET peculiar behaviour

Author: facchinm

UNOR4USBBridge/cmds_esp_generic.h

@@ -14,14 +14,22 @@ void CAtHandler::add_cmds_esp_generic() {
       switch (parser.cmd_mode) {
          case chAT::CommandMode::Run: {
                ESP.restart();
-               break;
+               return chAT::CommandStatus::OK;
             }
-         case chAT::CommandMode::Write: {
+      }
+      return chAT::CommandStatus::ERROR;
+   };
+
+   /* ....................................................................... */
+   command_table[_RESTART_BOOTLOADER] = [this](auto & srv, auto & parser) {
+   /* ....................................................................... */
+      switch (parser.cmd_mode) {
+         case chAT::CommandMode::Run: {
                usb_persist_restart(RESTART_BOOTLOADER);
-               break;
+               return chAT::CommandStatus::OK;
             }
       }
-      return chAT::CommandStatus::OK;
+      return chAT::CommandStatus::ERROR;
    };
 
    /* ....................................................................... */

UNOR4USBBridge/commands.h

@@ -21,6 +21,7 @@ enum {
 #define _WIFISCAN                "+WIFISCAN"
 
 #define _RESET                   "+RESET"
+#define _RESTART_BOOTLOADER      "+RESTARTBOOTLOADER"
 #define _GMR                     "+GMR"
 #define _GENERIC_CMD             "+CMD"
 #define _FILESYSTEM              "+FS"