Using RAM Devices

Using RAM Devices explains how to create applications for RAM Flash devices.

Include into the project and configure the following source files:

1. The library that matches the device core:
   FS_CM3.lib for Cortex-M devices.
   FS_ARM_L.lib for ARM7 or ARM9 devices.
2. The configuration files:
   File_Config.c for configuring the device.
   Retarget.c for configuring the output.
3. The main file for initializing and connecting the Flash device.

   #include <RTL.h>
   
   int main (void)  {
     ...
     finit (NULL);                               // initialize the device
     fformat ("");                               // format the Flash File System
   
     while (1)  {
       ...                                       // add the code
     }
   }
   

Applications can be created using existing µVision projects as templates.

1. Copy all files from any folder \ARM\RL\FlashFS\Examples\File_ex1 to a new folder and open the project *.uvproj with µVision.
2. Open the file File_Config.c and configure the RAM device using the Configuration Wizard.
3. Enable RAM Drive and set the device characteristics.

   

4. Modify the code to the application needs.

Note

• Configuration options are explained in RAM Drive.
• Additional program examples for RAM devices are located in the folder \ARM\Boards\vendor\board\RL\TCPnet\TFTP_demo.