2022-04-08 14:42:47 +00:00
|
|
|
Overview
|
|
|
|
========
|
|
|
|
This example illustrates USBX Device Mass Storage.
|
|
|
|
|
|
|
|
|
|
|
|
Toolchain supported
|
|
|
|
===================
|
2022-04-08 14:48:22 +00:00
|
|
|
- IAR embedded Workbench 9.20.2
|
|
|
|
- Keil MDK 5.36
|
|
|
|
- GCC ARM Embedded 10.3.1
|
2022-04-08 14:42:47 +00:00
|
|
|
- MCUXpresso 11.5.0
|
|
|
|
|
|
|
|
Hardware requirements
|
|
|
|
=====================
|
|
|
|
- Two Micro USB cables
|
|
|
|
- Target Board
|
|
|
|
- Personal Computer(PC)
|
|
|
|
|
|
|
|
Board settings
|
|
|
|
==============
|
|
|
|
This example only work with the USB high speed port (P9).
|
|
|
|
|
|
|
|
Prepare the Demo
|
|
|
|
================
|
|
|
|
1. Connect a USB Micro cable between the host PC and the Debug Link USB port (P6) on the target board.
|
|
|
|
2. Connect a USB Micro cable between the host PC and the on-board USB high speed port (P9).
|
|
|
|
3. Open a serial terminal on PC with the following settings:
|
|
|
|
- 115200 baud rate
|
|
|
|
- 8 data bits
|
|
|
|
- No parity
|
|
|
|
- 1 stop bit
|
|
|
|
- No flow control
|
|
|
|
4. Compile the demo.
|
|
|
|
5. Download the program to the target board.
|
|
|
|
6. Press the on-board RESET button to start the demo.
|
|
|
|
|
|
|
|
Running the demo
|
|
|
|
================
|
|
|
|
After writing the program to the flash of the target board,
|
|
|
|
press the reset button on your board to start the demo.
|
|
|
|
The serial port will output:
|
|
|
|
|
|
|
|
USBX device mass storage example
|
|
|
|
|
|
|
|
Then, connect a USB cable between PC and USB device port
|
|
|
|
of the board. The serial port will output:
|
|
|
|
|
|
|
|
USB MSD device activate
|
|
|
|
|
|
|
|
PC will detect a u-disk and can format it. After format
|
|
|
|
is completed, the PC will display a removable disk and
|
|
|
|
it can be used as a normal u-disk.
|
|
|
|
|
|
|
|
Please note that the USBX Device Mass Storage example use
|
|
|
|
RAM disk as storage media, data will lost after board is
|
|
|
|
reset.
|