usb.h File Reference

USB Services. More...

#include <libtransistor/types.h>
#include <libtransistor/encoding.h>
#include <libtransistor/ipc/usb/ds/endpoint.h>
#include <libtransistor/ipc/usb/ds/interface.h>

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Data Structures
struct	usb_device_data_t
struct	_usb_speed_info_t

Enumerations
enum	trn_usb_descriptor_type_t {   TRN_USB_DT_DEVICE = 0x1, TRN_USB_DT_CONFIGURATION = 0x2, TRN_USB_DT_STRING = 0x3, TRN_USB_DT_INTERFACE = 0x4,   TRN_USB_DT_ENDPOINT = 0x5, TRN_USB_DT_BOS = 0xf, TRN_USB_DT_DEVICE_CAPABILITY = 0x10 }
enum	trn_usb_bos_type_t { TRN_USB_BT_WIRELESS_USB_DEVICE_CAPABILITY = 1, TRN_USB_BT_USB_2_0_EXTENSION = 2, TRN_USB_BT_SS_USB_DEVICE_CAPABILITY = 3, TRN_USB_BT_CONTAINER_ID = 4 }
enum	trn_usb_endpoint_direction_t { TRN_USB_ENDPOINT_OUT = 0x00, TRN_USB_ENDPOINT_IN = 0x80 }
enum	trn_usb_transfer_type_t { TRN_USB_TRANSFER_TYPE_CONTROL = 0x0, TRN_USB_TRANSFER_TYPE_ISOCHRONOUS = 0x1, TRN_USB_TRANSFER_TYPE_BULK = 0x2, TRN_USB_TRANSFER_TYPE_INTERRUPT = 0x3 }
enum	usb_ds_state_t {   USB_DS_STATE_INITIAL = 0, USB_DS_STATE_INIT_STARTING = 6, USB_DS_STATE_INIT2 = 3, USB_DS_STATE_INIT3 = 4,   USB_DS_STATE_INITIALIZED = 5, USB_DS_STATE_MAX = 0xFFFFFFFF }

Functions
struct	__attribute__ ((packed, aligned(1)))
result_t	usb_ds_init (uint32_t complex_id, usb_device_data_t *data)
	Initialize USB-as-device services. More...
result_t	usb_ds_get_interface (usb_interface_descriptor_t *descriptor, const char *name, usb_ds_interface_t *out)
	Open a new USB interface. More...
result_t	usb_ds_get_state_change_event (revent_h *evt)
	Get state change event.
result_t	usb_ds_get_state (usb_ds_state_t *state)
	Get state.
void	usb_ds_finalize ()
	Finalize USB as device services.
result_t	_usb_ds_enable ()
result_t	_usb_ds_disable ()
result_t	_usb_ds_500_append_configuration_data (usb_ds_interface_t *interface, uint32_t speed_mode, usb_descriptor_t *descriptor)

Variables
	usb_descriptor_t
	usb_device_descriptor_t
	usb_configuration_descriptor_t
	usb_interface_descriptor_t
	usb_endpoint_descriptor_t
	usb_string_descriptor_t
	usb_bos_dev_capability_descriptor_t
	usb_bos_descriptor_t
_usb_speed_info_t	_usb_speed_info []
uint8_t	_usb_next_in_ep_number
uint8_t	_usb_next_out_ep_number

Detailed Description

USB Services.

Function Documentation

result_t usb_ds_get_interface	(	usb_interface_descriptor_t *	descriptor,
		const char *	name,
		usb_ds_interface_t *	out
	)

Open a new USB interface.

Parameters

descriptor	The descriptor for the interface to create
name	Name for the interface (not sent over USB)
out	Stores the newly created interface

result_t usb_ds_init	(	uint32_t	complex_id,
		usb_device_data_t *	data
	)

Initialize USB-as-device services.

Parameters

data	Device data such as vid/pid. NULL for don't care.