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  1.   Using USB Host Mode on the EK-TM4C123GXL LaunchPad
    1.     Trademarks
    2. 1 EK-TM4C123GXL Board Overview
    3. 2 Board Modification to Make EK-TM4C123GXL USB Host/OTG Capable
    4. 3 Download and Import the USB Host Examples
    5. 4 Run the usb_host_mouse Example
      1. 4.1 Build and Flash the Program
      2. 4.2 Configure the Terminal Window
      3. 4.3 Run the usb_host_mouse Example
    6. 5 Run the usb_host_keyboard Example
    7. 6 Run the usb_stick_update and usb_stick_demo Examples
      1. 6.1 USB Memory Stick Updater (usb_stick_update) Overview
      2. 6.2 USB Stick Update Demo (usb_stick_demo) Overview
      3. 6.3 Add the FIRMWARE.BIN File in the Memory Stick
      4. 6.4 Run the usb_stick_update Program
      5. 6.5 Run the usb_stick_demo Program
    8. 7 References

6.2 USB Stick Update Demo (usb_stick_demo) Overview

This is an example to demonstrate the use of the flash-based USB stick update program. This example is meant to be loaded into Flash memory from a USB memory stick using the USB stick update program (usb_stick_update) running on the microcontroller.

After this program is built, the binary file (usb_stick_demo.bin) should be renamed to the filename expected by usb_stick_update (“FIRMWARE.BIN” by default) and copied to the root directory of a USB memory stick. Then, when the memory stick is plugged into the LaunchPad board that is running the usb_stick_update program, this example program will be loaded into flash and run on the microcontroller.

This program simply displays a message on the terminal window and prompts the user to press the SW1 switch. Once the switch is pressed, control is passed back to the usb_stick_update program which is still in flash, and it will attempt to load another program from the memory stick. This shows how a user program can force a new firmware update from the memory stick.