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USB_STATUS_UNDERRUN     = 9     ; too few data from endpoint
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USB_STATUS_UNDERRUN     = 9     ; too few data from endpoint
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USB_STATUS_BUFOVERRUN   = 12    ; overflow of internal controller buffer
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USB_STATUS_BUFOVERRUN   = 12    ; overflow of internal controller buffer
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USB_STATUS_BUFUNDERRUN  = 13    ; underflow of internal controller buffer
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USB_STATUS_BUFUNDERRUN  = 13    ; underflow of internal controller buffer
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USB_STATUS_CLOSED       = 16    ; pipe closed, either explicitly with USBClosePipe
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USB_STATUS_CLOSED       = 16    ; pipe closed, either explicitly with USBClosePipe
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                                ; or due to device disconnect
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                                ; or due to device disconnect
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USB_STATUS_CANCELLED    = 17    ; transfer cancelled with USBAbortPipe
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If several transfers are queued for the same pipe, their callback functions
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If several transfers are queued for the same pipe, their callback functions
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are called in the same order as they were queued.
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are called in the same order as they were queued.
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When a pipe is closed, either explicitly with USBClosePipe, or
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When a pipe is closed, either explicitly with USBClosePipe, or
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implicitly due to device disconnect, all callback functions are called
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implicitly due to device disconnect, all callback functions are called
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with USB_STATUS_CLOSED. The call to DeviceDisconnected() occurs after
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with USB_STATUS_CLOSED. The call to DeviceDisconnected() occurs after
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all callbacks.
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void __stdcall USBAbortPipe(void* pipe);
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Initiates cancellation of all active transfers for the given pipe. Asynchronous.
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When a transfer will be cancelled, the associated callback function
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all callbacks.
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will be called with USB_STATUS_CANCELLED.
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void* __stdcall USBGetParam(void* pipe0, int param);
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void* __stdcall USBGetParam(void* pipe0, int param);
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Returns miscellaneous parameters of the device.
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Returns miscellaneous parameters of the device.
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pipe0 is the pointer to the config pipe.
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pipe0 is the pointer to the config pipe.