48 lines
1.0 KiB
Python
Executable File
48 lines
1.0 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# Host side of the `usb_simple_device.py` example. This must be run using standard
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# Python on a PC. See further instructions in `usb_simple_device.py`.
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import sys
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import usb.core
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import usb.util
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# VID and PID of the custom USB device.
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VID = 0xF055
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PID = 0x9999
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# USB endpoints used by the device.
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EP_OUT = 0x01
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EP_IN = 0x81
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def main():
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# Search for the custom USB device by VID/PID.
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dev = usb.core.find(idVendor=VID, idProduct=PID)
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if dev is None:
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print("No USB device found")
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sys.exit(1)
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# Claim the USB device.
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usb.util.claim_interface(dev, 0)
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# Read the device's strings.
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for i in range(0x11, 0x17):
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print(f"str{i}:", usb.util.get_string(dev, i))
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# Test writing to the device.
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ret = dev.write(EP_OUT, b"01234567", timeout=1000)
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print(ret)
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# Test reading from the device.
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print(dev.read(EP_IN, 64))
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# Release the USB device.
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usb.util.release_interface(dev, 0)
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usb.util.dispose_resources(dev)
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if __name__ == "__main__":
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main()
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