request.c File Reference

Standard USB requests (implementation). More...

#include <usb/dev/request.h>
#include <errno.h>
#include <assert.h>
#include <usb/debug.h>

Go to the source code of this file.

Defines
#define	MAX_DATA_LENGTH   ((size_t)(0xFFFF))
Functions
int	usb_control_request_get (usb_pipe_t *pipe, usb_request_type_t request_type, usb_request_recipient_t recipient, uint8_t request, uint16_t value, uint16_t index, void *data, size_t data_size, size_t *actual_data_size)
	Generic wrapper for GET requests using standard control request format.
int	usb_control_request_set (usb_pipe_t *pipe, usb_request_type_t request_type, usb_request_recipient_t recipient, uint8_t request, uint16_t value, uint16_t index, void *data, size_t data_size)
	Generic wrapper for SET requests using standard control request format.
int	usb_pipe_clear_halt (usb_pipe_t *ctrl_pipe, usb_pipe_t *target_pipe)
	Clear halt bit of an endpoint pipe (after pipe stall).
int	usb_request_clear_endpoint_halt (usb_pipe_t *pipe, uint16_t ep_index)
	Clear halt bit of an endpoint pipe (after pipe stall).
int	usb_request_clear_feature (usb_pipe_t *pipe, usb_request_type_t request_type, usb_request_recipient_t recipient, uint16_t feature_selector, uint16_t index)
	Clear or disable specific device feature.
int	usb_request_get_bare_configuration_descriptor (usb_pipe_t *pipe, int index, usb_standard_configuration_descriptor_t *descriptor)
	Retrieve configuration descriptor of a USB device.
int	usb_request_get_configuration (usb_pipe_t *pipe, uint8_t *configuration_value)
	Get current configuration value of USB device.
int	usb_request_get_descriptor (usb_pipe_t *pipe, usb_request_type_t request_type, usb_request_recipient_t recipient, uint8_t descriptor_type, uint8_t descriptor_index, uint16_t language, void *buffer, size_t size, size_t *actual_size)
	Retrieve USB descriptor of a USB device.
int	usb_request_get_descriptor_alloc (usb_pipe_t *pipe, usb_request_type_t request_type, usb_request_recipient_t recipient, uint8_t descriptor_type, uint8_t descriptor_index, uint16_t language, void **buffer_ptr, size_t *buffer_size)
	Retrieve USB descriptor, allocate space for it.
int	usb_request_get_device_descriptor (usb_pipe_t *pipe, usb_standard_device_descriptor_t *descriptor)
	Retrieve standard device descriptor of a USB device.
int	usb_request_get_endpoint_status (usb_pipe_t *ctrl_pipe, usb_pipe_t *pipe, uint16_t *status)
	Get endpoint status.
int	usb_request_get_full_configuration_descriptor (usb_pipe_t *pipe, int index, void *descriptor, size_t descriptor_size, size_t *actual_size)
	Retrieve full configuration descriptor of a USB device.
int	usb_request_get_full_configuration_descriptor_alloc (usb_pipe_t *pipe, int index, void **descriptor_ptr, size_t *descriptor_size)
	Retrieve full configuration descriptor, allocate space for it.
int	usb_request_get_interface (usb_pipe_t *pipe, uint8_t interface_index, uint8_t *alternate_setting)
	Get selected alternate setting for USB interface.
int	usb_request_get_status (usb_pipe_t *pipe, usb_request_recipient_t recipient, uint16_t index, uint16_t *status)
	Retrieve status of a USB device.
int	usb_request_get_string (usb_pipe_t *pipe, size_t index, l18_win_locales_t lang, char **string_ptr)
	Get string (descriptor) from USB device.
int	usb_request_get_supported_languages (usb_pipe_t *pipe, l18_win_locales_t **languages_ptr, size_t *languages_count)
	Get list of supported languages by USB device.
int	usb_request_set_address (usb_pipe_t *pipe, usb_address_t new_address)
	Change address of connected device.
int	usb_request_set_configuration (usb_pipe_t *pipe, uint8_t configuration_value)
	Set configuration of USB device.
int	usb_request_set_descriptor (usb_pipe_t *pipe, usb_request_type_t request_type, usb_request_recipient_t recipient, uint8_t descriptor_type, uint8_t descriptor_index, uint16_t language, void *buffer, size_t size)
	Update existing or add new USB descriptor to a USB device.
int	usb_request_set_feature (usb_pipe_t *pipe, usb_request_type_t request_type, usb_request_recipient_t recipient, uint16_t feature_selector, uint16_t index)
	Set or enable specific device feature.
int	usb_request_set_interface (usb_pipe_t *pipe, uint8_t interface_index, uint8_t alternate_setting)
	Select alternate setting for USB interface.

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Detailed Description

Standard USB requests (implementation).

Definition in file request.c.

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