41 lines
1.4 KiB
C
41 lines
1.4 KiB
C
#ifndef _usb_operations_h
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#define _usb_operations_h
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#include "usb_operations.h"
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//control transfer request types
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//uint8_t libusb_control_setup::bmRequestType
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//Request type.
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// Bits 0:4 determine recipient, see libusb_request_recipient. Bits 5:6 determine type, see libusb_request_type. Bit 7 determines data transfer direction, see libusb_endpoint_direction.
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//
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//libusb_request_types:
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//LIBUSB_REQUEST_TYPE_STANDARD Standard handled by driver during setup/etc
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//LIBUSB_REQUEST_TYPE_CLASS Class for use with specific device classes like HID.
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//LIBUSB_REQUEST_TYPE_VENDOR Vendor application specific as we choose which is what we'll be utilizing for all transfers
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//LIBUSB_REQUEST_TYPE_RESERVED Reserved.
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//
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//libusb_request_recipients:
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//LIBUSB_RECIPIENT_DEVICE Device.
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//LIBUSB_RECIPIENT_INTERFACE Interface.
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//LIBUSB_RECIPIENT_ENDPOINT Endpoint.
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//LIBUSB_RECIPIENT_OTHER Other.
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//
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//LIBUSB_ENDPOINT_IN In: device-to-host.
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//LIBUSB_ENDPOINT_OUT Out: host-to-device.
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// vendor requests also defined in firmware
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// TODO put in combined .h file for both host and fw
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#define REQ_LED_ON 1
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#define REQ_LED_OFF 2
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//USB timeout
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#define SEC_5 5000
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libusb_device_handle * open_usb_device( libusb_context *context );
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void close_usb(libusb_context *context, libusb_device_handle *handle);
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int usb_write_to_device( libusb_device_handle *handle, int command, unsigned char *data, uint16_t len );
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#endif
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