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- #!/usr/bin/env python
-
- import usb.core
- import usb.util
-
- CUSTOM_RQ_ECHO = 0 # send back wValue and wIndex, for testing comms reliability
- CUSTOM_RQ_RESET = 1 # reset to bootloader
- CUSTOM_RQ_GET = 2 # get ldr value
-
- def is_target_device(dev):
- if dev.manufacturer == "xythobuz.de" and dev.product == "AutoBrightness":
- return True
- return False
-
- # find our device
- dev = usb.core.find(idVendor=0x16c0, idProduct=0x05dc, custom_match=is_target_device)
-
- # was it found?
- if dev is None:
- raise ValueError('Device not found')
-
- # configure the device
- dev.set_configuration()
-
- # echo
- r = dev.ctrl_transfer(usb.util.CTRL_TYPE_VENDOR | usb.util.CTRL_IN, CUSTOM_RQ_ECHO, 42, 23, 4)
- print("echo", r)
-
- # reset
- r = dev.ctrl_transfer(usb.util.CTRL_TYPE_VENDOR | usb.util.CTRL_IN, CUSTOM_RQ_RESET, 0, 0, 1)
- print("reset-err", r)
-
- # value
- r = dev.ctrl_transfer(usb.util.CTRL_TYPE_VENDOR | usb.util.CTRL_IN, CUSTOM_RQ_GET, 0, 0, 2)
- print("value", r)
-
- # reset ok
- r = dev.ctrl_transfer(usb.util.CTRL_TYPE_VENDOR | usb.util.CTRL_IN, CUSTOM_RQ_RESET, 42, 23, 1)
- print("reset-ok", r)
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