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