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