Overview
========
This example works as a USB host CDC ACM. It can communicate with a USB CDC ACM device.
Toolchain supported
===================
- IAR embedded Workbench 9.20.2
- Keil MDK 5.36
- GCC ARM Embedded 10.3.1
- MCUXpresso 11.5.0
Hardware requirements
=====================
- Two Micro USB cables
- One USB A Female to Micro B Male cable
- A USB CDC ACM device
- Target Board
- Personal Computer(PC)
Board settings
==============
This example only work with the USB high speed port (P9). Set jumpers to enable high speed mode.
Install jumper in position 1-2 pins of J6 and open J7 jumper.
Prepare the Demo
================
1. Connect the USB A Female to Micro B Male cable between a USB CDC ACM device and
the on-board USB high speed port (P9).
2. Connect a USB Micro cable between the host PC and the Debug Link USB port (P6) on the target board.
3. Connect a USB Micro cable between the PC and the on-board USB power port (P5).
4. Open a serial terminal on the PC with the following settings:
- 115200 baud rate
- 8 data bits
- No parity
- One stop bit
- No flow control
5. Compile the demo.
6. Download the program to the target board.
7. Press the on-board RESET button to start the demo.
Running the demo
================
When the demo is running, the serial port will output:
Start the USBX HOST CDC ACM example...
Then, if connecting a device running the usbx_device_cdc_acm example to
the USB device port of the board. The serial port will output:
USB device: vid=0x8484, pid=0x0
SEND: A
RECV: Aabcdef
imi415
864dc66c9e
