updated README

README.md

@@ -71,6 +71,10 @@ twice) and generate this list manually with the following commands, according to
    <installRoot>/Vivado/2018.2/data/parts/installed_devices.txt
    ```
 
+For Linux, you can also download a more recent version of the
+[Linaro 8.3.0 cross-compiler](https://developer.arm.com/tools-and-software/open-source-software/developer-tools/gnu-toolchain/gnu-a/downloads)
+from [here](https://developer.arm.com/-/media/Files/downloads/gnu-a/8.3-2019.03/binrel/gcc-arm-8.3-2019.03-x86_64-arm-linux-gnueabihf.tar.xz?revision=e09a1c45-0ed3-4a8e-b06b-db3978fd8d56&la=en&hash=93ED4444B8B3A812B893373B490B90BBB28FD2E3)
+
 ## Installing toolchain without Vivado
 
 You can download the toolchains for Windows and Linux

bsp_q7s/memory/FileSystemHandler.cpp

@@ -29,7 +29,12 @@ ReturnValue_t FileSystemHandler::performOperation(uint8_t unsignedChar) {
             }
             Command_t command = filemsg.getCommand();
             switch(command) {
-
+            case(GenericFileSystemMessage::CMD_CREATE_DIRECTORY): {
+                break;
+            }
+            case(GenericFileSystemMessage::CMD_CREATE_FILE): {
+                break;
+            }
             }
         }