hal_usb_lld.h File Reference

PLATFORM USB subsystem low level driver header. More...

Go to the source code of this file.

Data Structures
struct	USBInEndpointState
	Type of an IN endpoint state structure. More...
struct	USBOutEndpointState
	Type of an OUT endpoint state structure. More...
struct	USBEndpointConfig
	Type of an USB endpoint configuration structure. More...
struct	USBConfig
	Type of an USB driver configuration structure. More...
struct	USBDriver
	Structure representing an USB driver. More...

Macros
#define	USB_MAX_ENDPOINTS   4
	Maximum endpoint address.
#define	USB_EP0_STATUS_STAGE   USB_EP0_STATUS_STAGE_SW
	Status stage handling method.
#define	USB_SET_ADDRESS_MODE   USB_LATE_SET_ADDRESS
	The address can be changed immediately upon packet reception.
#define	USB_SET_ADDRESS_ACK_HANDLING   USB_SET_ADDRESS_ACK_SW
	Method for set address acknowledge.
#define	usb_lld_get_frame_number(usbp)
	Returns the current frame number.
#define	usb_lld_get_transaction_size(usbp, ep)
	Returns the exact size of a receive transaction.
#define	usb_lld_connect_bus(usbp)
	Connects the USB device.
#define	usb_lld_disconnect_bus(usbp)
	Disconnect the USB device.
#define	usb_lld_wakeup_host(usbp)
	Start of host wake-up procedure.
PLATFORM configuration options
#define	PLATFORM_USB_USE_USB1   FALSE
	USB driver enable switch.

Functions
void	usb_lld_init (void)
	Low level USB driver initialization.
void	usb_lld_start (USBDriver *usbp)
	Configures and activates the USB peripheral.
void	usb_lld_stop (USBDriver *usbp)
	Deactivates the USB peripheral.
void	usb_lld_reset (USBDriver *usbp)
	USB low level reset routine.
void	usb_lld_set_address (USBDriver *usbp)
	Sets the USB address.
void	usb_lld_init_endpoint (USBDriver *usbp, usbep_t ep)
	Enables an endpoint.
void	usb_lld_disable_endpoints (USBDriver *usbp)
	Disables all the active endpoints except the endpoint zero.
usbepstatus_t	usb_lld_get_status_in (USBDriver *usbp, usbep_t ep)
	Returns the status of an IN endpoint.
usbepstatus_t	usb_lld_get_status_out (USBDriver *usbp, usbep_t ep)
	Returns the status of an OUT endpoint.
void	usb_lld_read_setup (USBDriver *usbp, usbep_t ep, uint8_t *buf)
	Reads a setup packet from the dedicated packet buffer.
void	usb_lld_prepare_receive (USBDriver *usbp, usbep_t ep)
	Prepares for a receive operation.
void	usb_lld_prepare_transmit (USBDriver *usbp, usbep_t ep)
	Prepares for a transmit operation.
void	usb_lld_start_out (USBDriver *usbp, usbep_t ep)
	Starts a receive operation on an OUT endpoint.
void	usb_lld_start_in (USBDriver *usbp, usbep_t ep)
	Starts a transmit operation on an IN endpoint.
void	usb_lld_stall_out (USBDriver *usbp, usbep_t ep)
	Brings an OUT endpoint in the stalled state.
void	usb_lld_stall_in (USBDriver *usbp, usbep_t ep)
	Brings an IN endpoint in the stalled state.
void	usb_lld_clear_out (USBDriver *usbp, usbep_t ep)
	Brings an OUT endpoint in the active state.
void	usb_lld_clear_in (USBDriver *usbp, usbep_t ep)
	Brings an IN endpoint in the active state.

Detailed Description

PLATFORM USB subsystem low level driver header.

Definition in file hal_usb_lld.h.