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#define | USB_REQ_GET_STATUS 0x00 |
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#define | USB_REQ_CLEAR_FEAT 0x01 |
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#define | USB_REQ_SET_FEAT 0x03 |
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#define | USB_REQ_SET_ADDR 0x05 |
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#define | USB_REQ_GET_DESC 0x06 |
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#define | USB_REQ_SET_DESC 0x07 |
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#define | USB_REQ_GET_CONF 0x08 |
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#define | USB_REQ_SET_CONF 0x09 |
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#define | USB_REQ_GET_IFACE 0x0a |
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#define | USB_REQ_SET_IFACE 0x0b |
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#define | USB_REQ_SYNCH_FRAME 0x0c |
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Standars requests, see usb2 spec table 9-4, p.251 (279). Values 0x02 and 0x04 are reserved for future use.