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36 lines
1.2 KiB
36 lines
1.2 KiB
The usbdescriptors_ files contain raw USB descriptors from the Google
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USB-C to 3.5mm adapter, with different loads connected to the 3.5mm
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jack.
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usbdescriptors_nothing.bin:
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- The descriptors when the jack is disconnected.
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usbdescriptors_headphones.bin:
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- The descriptors when the jack is connected to 32-ohm headphones,
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no microphone.
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The relevant output terminal is:
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bDescriptorSubtype 3 (OUTPUT_TERMINAL)
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bTerminalID 15
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wTerminalType 0x0302 Headphones
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usbdescriptors_lineout.bin:
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- The descriptors when the jack is connected to a PC line-in jack.
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The relevant output terminal is:
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bDescriptorSubtype 3 (OUTPUT_TERMINAL)
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bTerminalID 15
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wTerminalType 0x0603 Line Connector
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usbdescriptors_headset.bin:
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- The descriptors when a headset with microphone and low-impedance
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headphones are connected.
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The relevant input terminal is:
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bDescriptorSubtype 2 (INPUT_TERMINAL)
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bTerminalID 1
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wTerminalType 0x0201 Microphone
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The relevant output terminal is:
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bDescriptorSubtype 3 (OUTPUT_TERMINAL)
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bTerminalID 15
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wTerminalType 0x0302 Headphones
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