USBUS basic interface. More...
USBUS basic interface.
Definition in file usbus.h.
#include <stdint.h>#include <stdlib.h>#include "clist.h"#include "event.h"#include "sched.h"#include "modules.h"#include "msg.h"#include "thread.h"#include "usb.h"#include "periph/usbdev.h"#include "usb/descriptor.h"
Include dependency graph for usbus.h: This graph shows which files directly or indirectly include this file:Go to the source code of this file.
Data Structures | |
| struct | usbus_string |
| USBUS string type. More... | |
| struct | usbus_descr_gen_funcs_t |
| USBUS descriptor generator function pointers. More... | |
| struct | usbus_descr_gen |
| USBUS descriptor generator. More... | |
| struct | usbus_endpoint |
| USBUS endpoint context. More... | |
| struct | usbus_urb |
| USBUS USB request/response block. More... | |
| struct | usbus_interface_alt |
| USBUS interface alternative setting. More... | |
| struct | usbus_interface |
| USBUS interface. More... | |
| struct | usbus_handler_driver |
| USBUS event handler function pointers. More... | |
| struct | usbus_handler |
| USBUS handler struct. More... | |
| struct | usbus |
| USBUS context struct. More... | |
Macros | |
| #define | USBUS_STACKSIZE (THREAD_STACKSIZE_DEFAULT) |
| USBUS thread stack size. | |
| #define | USBUS_PRIO (THREAD_PRIORITY_MAIN - 6) |
| USBUS thread priority. | |
| #define | CONFIG_USBUS_AUTO_ATTACH 1 |
| USBUS auto attach setting. | |
| #define | CONFIG_USBUS_MSC_AUTO_MTD 1 |
| USBUS MSC auto MTD setting. | |
| #define | CONFIG_USBUS_EP0_SIZE 64 |
| USBUS endpoint 0 buffer size. | |
| #define | USBUS_TNAME "usbus" |
| USBUS thread name. | |
Typedefs | |
| typedef struct usbus_string | usbus_string_t |
| USBUS string type. | |
| typedef struct usbus | usbus_t |
| USBUS context forward declaration. | |
| typedef struct usbus_handler | usbus_handler_t |
| USBUS event handler forward declaration. | |
| typedef struct usbus_descr_gen | usbus_descr_gen_t |
| USBUS descriptor generator. | |
| typedef struct usbus_endpoint | usbus_endpoint_t |
| USBUS endpoint context. | |
| typedef struct usbus_urb | usbus_urb_t |
| USBUS USB request/response block. | |
| typedef struct usbus_interface_alt | usbus_interface_alt_t |
| USBUS interface alternative setting. | |
| typedef struct usbus_interface | usbus_interface_t |
| USBUS interface. | |
| typedef struct usbus_handler_driver | usbus_handler_driver_t |
| USBUS event handler function pointers. | |
Enumerations | |
| enum | usbus_event_usb_t { USBUS_EVENT_USB_RESET , USBUS_EVENT_USB_SOF , USBUS_EVENT_USB_SUSPEND , USBUS_EVENT_USB_RESUME } |
| USB handler events. More... | |
| enum | usbus_event_transfer_t { USBUS_EVENT_TRANSFER_COMPLETE , USBUS_EVENT_TRANSFER_FAIL , USBUS_EVENT_TRANSFER_STALL } |
| USB endpoint transfer status events. More... | |
| enum | usbus_state_t { USBUS_STATE_DISCONNECT , USBUS_STATE_RESET , USBUS_STATE_ADDR , USBUS_STATE_CONFIGURED , USBUS_STATE_SUSPEND } |
| state machine states for the global USBUS thread More... | |
| enum | usbus_control_request_state_t { USBUS_CONTROL_REQUEST_STATE_READY , USBUS_CONTROL_REQUEST_STATE_INDATA , USBUS_CONTROL_REQUEST_STATE_OUTACK , USBUS_CONTROL_REQUEST_STATE_OUTDATA , USBUS_CONTROL_REQUEST_STATE_INACK } |
| USBUS control request state machine. More... | |
| enum | usbus_descr_len_type_t { USBUS_DESCR_LEN_FIXED , USBUS_DESCR_LEN_FUNC } |
| descriptor length types for USB descriptor generators More... | |
Functions | |
| static void | usbus_event_post (usbus_t *usbus, event_t *event) |
| Submit an event to the usbus thread. | |
| uint16_t | usbus_add_string_descriptor (usbus_t *usbus, usbus_string_t *desc, const char *str) |
| Add a string descriptor to the USBUS thread context. | |
| uint16_t | usbus_add_interface (usbus_t *usbus, usbus_interface_t *iface) |
| Add an interface to the USBUS thread context. | |
| void | usbus_add_interface_alt (usbus_interface_t *iface, usbus_interface_alt_t *alt) |
| Add alternate settings to a given interface. | |
| usbus_endpoint_t * | usbus_interface_find_endpoint (usbus_interface_t *interface, usb_ep_type_t type, usb_ep_dir_t dir) |
| Find an endpoint from an interface based on the endpoint properties. | |
| usbus_endpoint_t * | usbus_add_endpoint (usbus_t *usbus, usbus_interface_t *iface, usb_ep_type_t type, usb_ep_dir_t dir, size_t len) |
| Add an endpoint to the specified interface. | |
| void | usbus_add_conf_descriptor (usbus_t *usbus, usbus_descr_gen_t *descr_gen) |
| Add a generator for generating additional top level USB descriptor content. | |
| void | usbus_register_event_handler (usbus_t *usbus, usbus_handler_t *handler) |
| Add an event handler to the USBUS context. | |
| void | usbus_init (usbus_t *usbus, usbdev_t *usbdev) |
| Initialize an USBUS context. | |
| size_t | usbus_max_bulk_endpoint_size (usbus_t *usbus) |
| Get the maximum supported bulk endpoint transfer size based on the enumeration speed. | |
| size_t | usbus_max_interrupt_endpoint_size (usbus_t *usbus) |
| Get the maximum supported interrupt endpoint transfer size based on the enumeration speed. | |
| void | usbus_create (char *stack, int stacksize, char priority, const char *name, usbus_t *usbus) |
| Create and start the USBUS thread. | |
| static void | usbus_urb_init (usbus_urb_t *urb, uint8_t *buf, size_t len, uint32_t flags) |
| Initialize a new URB. | |
| void | usbus_urb_submit (usbus_t *usbus, usbus_endpoint_t *endpoint, usbus_urb_t *urb) |
| Submit an URB to an endpoint. | |
| int | usbus_urb_cancel (usbus_t *usbus, usbus_endpoint_t *endpoint, usbus_urb_t *urb) |
| Cancel and already queued URB. | |
| void | usbus_endpoint_halt (usbus_endpoint_t *ep) |
| Set the halt condition on an endpoint. | |
| void | usbus_endpoint_clear_halt (usbus_endpoint_t *ep) |
| Clear the halt condition on an endpoint. | |
| static void | usbus_enable_endpoint (usbus_endpoint_t *ep) |
| Enable an endpoint. | |
| static void | usbus_disable_endpoint (usbus_endpoint_t *ep) |
| Disable an endpoint. | |
| static void | usbus_handler_set_flag (usbus_handler_t *handler, uint32_t flag) |
| enable a specific handler flag | |
| static void | usbus_handler_remove_flag (usbus_handler_t *handler, uint32_t flag) |
| disable a specific handler flag | |
| static bool | usbus_handler_isset_flag (usbus_handler_t *handler, uint32_t flag) |
| check if a specific handler flag is set | |
| static void | usbus_urb_set_flag (usbus_urb_t *urb, uint32_t flag) |
| enable an URB flag | |
| static void | usbus_urb_remove_flag (usbus_urb_t *urb, uint32_t flag) |
| disable an URB flag | |
| static bool | usbus_urb_isset_flag (usbus_urb_t *urb, uint32_t flag) |
| check if an URB flag is set | |
USBUS thread flags | |
Thread flags used by the USBUS thread. THREAD_FLAG_EVENT is also used, but defined elsewhere | |
| #define | USBUS_THREAD_FLAG_USBDEV (0x02) |
| usbdev esr needs handling | |
| #define | USBUS_THREAD_FLAG_USBDEV_EP (0x04) |
| One or more endpoints requires servicing. | |
USBUS handler subscription flags | |
| #define | USBUS_HANDLER_FLAG_RESET (0x0001) |
| Report reset event. | |
| #define | USBUS_HANDLER_FLAG_SOF (0x0002) |
| Report SOF events. | |
| #define | USBUS_HANDLER_FLAG_SUSPEND (0x0004) |
| Report suspend events. | |
| #define | USBUS_HANDLER_FLAG_RESUME (0x0008) |
| Report resume from suspend. | |
| #define | USBUS_HANDLER_FLAG_TR_STALL (0x0020) |
| Report transfer stall complete. | |
USBUS URB flags | |
| #define | USBUS_URB_FLAG_AUTO_ZLP (0x0001) |
| End the URB with a zero length packet if the URB is a full number of USB transfers in length. | |
| #define | USBUS_URB_FLAG_NEEDS_ZLP (0x1000) |
| URB needs a zero length packet and it is requested. | |
| #define | USBUS_URB_FLAG_CANCELLED (0x2000) |
| URB must be cancelled after the next finished xmit. | |
1.12.0