Generic USB Standard Request Interface

Generic USB Standard Request Interface More...

Functions
int	usbd_register_set_config_callback (usbd_device *usbd_dev, usbd_set_config_callback callback)
	Registers a "Set Config" callback. More...
void	usbd_register_set_altsetting_callback (usbd_device *usbd_dev, usbd_set_altsetting_callback callback)
	Registers a "Set Interface" (alternate setting) callback. More...
static uint16_t	build_config_descriptor (usbd_device *usbd_dev, uint8_t index, uint8_t *buf, uint16_t len)
static int	usb_descriptor_type (uint16_t wValue)
static int	usb_descriptor_index (uint16_t wValue)
static enum usbd_request_return_codes	usb_standard_get_descriptor (usbd_device *usbd_dev, struct usb_setup_data *req, uint8_t **buf, uint16_t *len)
static enum usbd_request_return_codes	usb_standard_set_address (usbd_device *usbd_dev, struct usb_setup_data *req, uint8_t **buf, uint16_t *len)
static enum usbd_request_return_codes	usb_standard_set_configuration (usbd_device *usbd_dev, struct usb_setup_data *req, uint8_t **buf, uint16_t *len)
static enum usbd_request_return_codes	usb_standard_get_configuration (usbd_device *usbd_dev, struct usb_setup_data *req, uint8_t **buf, uint16_t *len)
static enum usbd_request_return_codes	usb_standard_set_interface (usbd_device *usbd_dev, struct usb_setup_data *req, uint8_t **buf, uint16_t *len)
static enum usbd_request_return_codes	usb_standard_get_interface (usbd_device *usbd_dev, struct usb_setup_data *req, uint8_t **buf, uint16_t *len)
static enum usbd_request_return_codes	usb_standard_device_get_status (usbd_device *usbd_dev, struct usb_setup_data *req, uint8_t **buf, uint16_t *len)
static enum usbd_request_return_codes	usb_standard_interface_get_status (usbd_device *usbd_dev, struct usb_setup_data *req, uint8_t **buf, uint16_t *len)
static enum usbd_request_return_codes	usb_standard_endpoint_get_status (usbd_device *usbd_dev, struct usb_setup_data *req, uint8_t **buf, uint16_t *len)
static enum usbd_request_return_codes	usb_standard_endpoint_stall (usbd_device *usbd_dev, struct usb_setup_data *req, uint8_t **buf, uint16_t *len)
static enum usbd_request_return_codes	usb_standard_endpoint_unstall (usbd_device *usbd_dev, struct usb_setup_data *req, uint8_t **buf, uint16_t *len)

Detailed Description

Generic USB Standard Request Interface

Version

1.0.0

Author

© 2010 Gareth McMullin garet.nosp@m.h@bl.nosp@m.acksp.nosp@m.here.nosp@m..co.n.nosp@m.z

Date

10 March 2013

LGPL License Terms libopencm3 License

Function Documentation

build_config_descriptor()

static uint16_t build_config_descriptor ( usbd_device *  usbd_dev, uint8_t  index, uint8_t *  buf, uint16_t  len  )

static

Definition at line 68 of file usb_standard.c.

References usb_interface::altsetting, usb_config_descriptor::bLength, usb_interface_descriptor::bLength, usb_endpoint_descriptor::bLength, usb_iface_assoc_descriptor::bLength, usb_interface_descriptor::bNumEndpoints, usb_config_descriptor::bNumInterfaces, usb_interface_descriptor::endpoint, usb_interface_descriptor::extra, usb_endpoint_descriptor::extra, usb_interface_descriptor::extralen, usb_endpoint_descriptor::extralen, usb_interface::iface_assoc, usb_config_descriptor::interface, and usb_interface::num_altsetting.

Referenced by usb_standard_get_descriptor().

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usb_descriptor_index()

static int usb_descriptor_index ( uint16_t  wValue )

static

Definition at line 147 of file usb_standard.c.

Referenced by usb_standard_get_descriptor().

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usb_descriptor_type()

static int usb_descriptor_type ( uint16_t  wValue )

static

Definition at line 142 of file usb_standard.c.

Referenced by usb_standard_get_descriptor().

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usb_standard_device_get_status()

static enum usbd_request_return_codes usb_standard_device_get_status ( usbd_device *  usbd_dev, struct usb_setup_data *  req, uint8_t **  buf, uint16_t *  len  )

static

Definition at line 407 of file usb_standard.c.

References USBD_REQ_HANDLED.

Referenced by _usbd_standard_request_device().

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usb_standard_endpoint_get_status()

static enum usbd_request_return_codes usb_standard_endpoint_get_status ( usbd_device *  usbd_dev, struct usb_setup_data *  req, uint8_t **  buf, uint16_t *  len  )

static

Definition at line 444 of file usb_standard.c.

References usbd_ep_stall_get(), USBD_REQ_HANDLED, and usb_setup_data::wIndex.

Referenced by _usbd_standard_request_endpoint().

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usb_standard_endpoint_stall()

static enum usbd_request_return_codes usb_standard_endpoint_stall ( usbd_device *  usbd_dev, struct usb_setup_data *  req, uint8_t **  buf, uint16_t *  len  )

static

Definition at line 460 of file usb_standard.c.

References usbd_ep_stall_set(), USBD_REQ_HANDLED, and usb_setup_data::wIndex.

Referenced by _usbd_standard_request_endpoint().

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usb_standard_endpoint_unstall()

static enum usbd_request_return_codes usb_standard_endpoint_unstall ( usbd_device *  usbd_dev, struct usb_setup_data *  req, uint8_t **  buf, uint16_t *  len  )

static

Definition at line 473 of file usb_standard.c.

References usbd_ep_stall_set(), USBD_REQ_HANDLED, and usb_setup_data::wIndex.

Referenced by _usbd_standard_request_endpoint().

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usb_standard_get_configuration()

static enum usbd_request_return_codes usb_standard_get_configuration ( usbd_device *  usbd_dev, struct usb_setup_data *  req, uint8_t **  buf, uint16_t *  len  )

static

Definition at line 328 of file usb_standard.c.

References usb_config_descriptor::bConfigurationValue, and USBD_REQ_HANDLED.

Referenced by _usbd_standard_request_device().

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usb_standard_get_descriptor()

static enum usbd_request_return_codes usb_standard_get_descriptor ( usbd_device *  usbd_dev, struct usb_setup_data *  req, uint8_t **  buf, uint16_t *  len  )

static

Definition at line 153 of file usb_standard.c.

References usb_string_descriptor::bDescriptorType, usb_string_descriptor::bLength, build_config_descriptor(), usb_descriptor_index(), usb_descriptor_type(), USB_DT_CONFIGURATION, USB_DT_DEVICE, USB_DT_STRING, USB_LANGID_ENGLISH_US, USBD_REQ_HANDLED, USBD_REQ_NOTSUPP, usb_string_descriptor::wData, usb_setup_data::wIndex, and usb_setup_data::wValue.

Referenced by _usbd_standard_request_device().

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usb_standard_get_interface()

static enum usbd_request_return_codes usb_standard_get_interface ( usbd_device *  usbd_dev, struct usb_setup_data *  req, uint8_t **  buf, uint16_t *  len  )

static

Definition at line 387 of file usb_standard.c.

References usb_config_descriptor::bNumInterfaces, usb_interface::cur_altsetting, usb_config_descriptor::interface, USBD_REQ_HANDLED, USBD_REQ_NOTSUPP, and usb_setup_data::wIndex.

Referenced by _usbd_standard_request_interface().

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usb_standard_interface_get_status()

static enum usbd_request_return_codes usb_standard_interface_get_status ( usbd_device *  usbd_dev, struct usb_setup_data *  req, uint8_t **  buf, uint16_t *  len  )

static

Definition at line 426 of file usb_standard.c.

References USBD_REQ_HANDLED.

Referenced by _usbd_standard_request_interface().

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usb_standard_set_address()

static enum usbd_request_return_codes usb_standard_set_address ( usbd_device *  usbd_dev, struct usb_setup_data *  req, uint8_t **  buf, uint16_t *  len  )

static

Definition at line 239 of file usb_standard.c.

References usb_setup_data::bmRequestType, USBD_REQ_HANDLED, USBD_REQ_NOTSUPP, and usb_setup_data::wValue.

Referenced by _usbd_standard_request_device().

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usb_standard_set_configuration()

static enum usbd_request_return_codes usb_standard_set_configuration ( usbd_device *  usbd_dev, struct usb_setup_data *  req, uint8_t **  buf, uint16_t *  len  )

static

Definition at line 266 of file usb_standard.c.

References usb_config_descriptor::bNumInterfaces, usb_interface::cur_altsetting, usb_config_descriptor::interface, USBD_REQ_HANDLED, USBD_REQ_NOTSUPP, and usb_setup_data::wValue.

Referenced by _usbd_standard_request_device().

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usb_standard_set_interface()

static enum usbd_request_return_codes usb_standard_set_interface ( usbd_device *  usbd_dev, struct usb_setup_data *  req, uint8_t **  buf, uint16_t *  len  )

static

Definition at line 349 of file usb_standard.c.

References usb_config_descriptor::bNumInterfaces, usb_interface::cur_altsetting, usb_config_descriptor::interface, usb_interface::num_altsetting, USBD_REQ_HANDLED, USBD_REQ_NOTSUPP, usb_setup_data::wIndex, and usb_setup_data::wValue.

Referenced by _usbd_standard_request_interface().

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usbd_register_set_altsetting_callback()

void usbd_register_set_altsetting_callback	(	usbd_device *	usbd_dev,
		usbd_set_altsetting_callback	callback
	)

Registers a "Set Interface" (alternate setting) callback.

Parameters

usbd_dev	the usb device handle returned from usbd_init
callback	your desired callback function

Definition at line 62 of file usb_standard.c.

usbd_register_set_config_callback()

int usbd_register_set_config_callback	(	usbd_device *	usbd_dev,
		usbd_set_config_callback	callback
	)

Registers a "Set Config" callback.

Parameters

usbd_dev	the usb device handle returned from usbd_init
callback	your desired callback function

Returns

0 if successful or already existed.

-1 if no more space was available for callbacks.

Definition at line 42 of file usb_standard.c.

Referenced by usb_msc_init().

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