Zephyr API Documentation 4.0.99
A Scalable Open Source RTOS
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usbd.h
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1/*
2 * Copyright (c) 2022 Nordic Semiconductor ASA
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
14#ifndef ZEPHYR_INCLUDE_USBD_H_
15#define ZEPHYR_INCLUDE_USBD_H_
16
17#include <zephyr/device.h>
18#include <zephyr/usb/bos.h>
19#include <zephyr/usb/usb_ch9.h>
20#include <zephyr/usb/usbd_msg.h>
23#include <zephyr/sys/slist.h>
24#include <zephyr/logging/log.h>
26
27#ifdef __cplusplus
28extern "C" {
29#endif
30
40/*
41 * The USB Unicode bString is encoded in UTF16LE, which means it takes up
42 * twice the amount of bytes than the same string encoded in ASCII7.
43 * Use this macro to determine the length of the bString array.
44 *
45 * bString length without null character:
46 * bString_length = (sizeof(initializer_string) - 1) * 2
47 * or:
48 * bString_length = sizeof(initializer_string) * 2 - 2
49 */
50#define USB_BSTRING_LENGTH(s) (sizeof(s) * 2 - 2)
51
52/*
53 * The length of the string descriptor (bLength) is calculated from the
54 * size of the two octets bLength and bDescriptorType plus the
55 * length of the UTF16LE string:
56 *
57 * bLength = 2 + bString_length
58 * bLength = 2 + sizeof(initializer_string) * 2 - 2
59 * bLength = sizeof(initializer_string) * 2
60 * Use this macro to determine the bLength of the string descriptor.
61 */
62#define USB_STRING_DESCRIPTOR_LENGTH(s) (sizeof(s) * 2)
63
64struct usbd_context;
65
69enum usbd_str_desc_utype {
70 USBD_DUT_STRING_LANG,
71 USBD_DUT_STRING_MANUFACTURER,
72 USBD_DUT_STRING_PRODUCT,
73 USBD_DUT_STRING_SERIAL_NUMBER,
74 USBD_DUT_STRING_CONFIG,
75 USBD_DUT_STRING_INTERFACE,
76};
77
78enum usbd_bos_desc_utype {
79 USBD_DUT_BOS_NONE,
80 USBD_DUT_BOS_VREQ,
81};
91 enum usbd_str_desc_utype utype : 8;
93 unsigned int ascii7 : 1;
95 unsigned int use_hwinfo : 1;
96};
97
137 int (*to_host)(const struct usbd_context *const ctx,
138 const struct usb_setup_packet *const setup,
139 struct net_buf *const buf);
141 int (*to_dev)(const struct usbd_context *const ctx,
142 const struct usb_setup_packet *const setup,
143 const struct net_buf *const buf);
144};
145
151 enum usbd_bos_desc_utype utype : 8;
152 union {
153 struct usbd_vreq_node *const vreq_nd;
154 };
155};
156
177
196
197/* TODO: Kconfig option USBD_NUMOF_INTERFACES_MAX? */
198#define USBD_NUMOF_INTERFACES_MAX 16U
199
211
212
232
244
250 unsigned int initialized : 1;
252 unsigned int enabled : 1;
254 unsigned int suspended : 1;
256 unsigned int rwup : 1;
259};
260
272typedef void (*usbd_msg_cb_t)(struct usbd_context *const ctx,
273 const struct usbd_msg *const msg);
274
307
317
319#define USBD_CCTX_REGISTERED 0
320
321struct usbd_class_data;
322
328 void (*feature_halt)(struct usbd_class_data *const c_data,
329 uint8_t ep, bool halted);
330
332 void (*update)(struct usbd_class_data *const c_data,
333 uint8_t iface, uint8_t alternate);
334
336 int (*control_to_dev)(struct usbd_class_data *const c_data,
337 const struct usb_setup_packet *const setup,
338 const struct net_buf *const buf);
339
341 int (*control_to_host)(struct usbd_class_data *const c_data,
342 const struct usb_setup_packet *const setup,
343 struct net_buf *const buf);
344
346 int (*request)(struct usbd_class_data *const c_data,
347 struct net_buf *buf, int err);
348
350 void (*suspended)(struct usbd_class_data *const c_data);
351
353 void (*resumed)(struct usbd_class_data *const c_data);
354
356 void (*sof)(struct usbd_class_data *const c_data);
357
359 void (*enable)(struct usbd_class_data *const c_data);
360
362 void (*disable)(struct usbd_class_data *const c_data);
363
365 int (*init)(struct usbd_class_data *const c_data);
366
368 void (*shutdown)(struct usbd_class_data *const c_data);
369
371 void *(*get_desc)(struct usbd_class_data *const c_data,
372 const enum usbd_speed speed);
373};
374
380 const char *name;
384 const struct usbd_class_api *api;
388 void *priv;
389};
390
399struct usbd_class_node {
401 sys_snode_t node;
403 struct usbd_class_data *const c_data;
407 uint32_t ep_assigned;
411 uint32_t ep_active;
413 uint32_t iface_bm;
416};
417
430static inline struct usbd_context *usbd_class_get_ctx(const struct usbd_class_data *const c_data)
431{
432 return c_data->uds_ctx;
433}
434
445static inline void *usbd_class_get_private(const struct usbd_class_data *const c_data)
446{
447 return c_data->priv;
448}
449
470#define USBD_DEVICE_DEFINE(device_name, udc_dev, vid, pid) \
471 static struct usb_device_descriptor \
472 fs_desc_##device_name = { \
473 .bLength = sizeof(struct usb_device_descriptor), \
474 .bDescriptorType = USB_DESC_DEVICE, \
475 .bcdUSB = sys_cpu_to_le16(USB_SRN_2_0), \
476 .bDeviceClass = USB_BCC_MISCELLANEOUS, \
477 .bDeviceSubClass = 2, \
478 .bDeviceProtocol = 1, \
479 .bMaxPacketSize0 = USB_CONTROL_EP_MPS, \
480 .idVendor = vid, \
481 .idProduct = pid, \
482 .bcdDevice = sys_cpu_to_le16(USB_BCD_DRN), \
483 .iManufacturer = 0, \
484 .iProduct = 0, \
485 .iSerialNumber = 0, \
486 .bNumConfigurations = 0, \
487 }; \
488 static struct usb_device_descriptor \
489 hs_desc_##device_name = { \
490 .bLength = sizeof(struct usb_device_descriptor), \
491 .bDescriptorType = USB_DESC_DEVICE, \
492 .bcdUSB = sys_cpu_to_le16(USB_SRN_2_0), \
493 .bDeviceClass = USB_BCC_MISCELLANEOUS, \
494 .bDeviceSubClass = 2, \
495 .bDeviceProtocol = 1, \
496 .bMaxPacketSize0 = 64, \
497 .idVendor = vid, \
498 .idProduct = pid, \
499 .bcdDevice = sys_cpu_to_le16(USB_BCD_DRN), \
500 .iManufacturer = 0, \
501 .iProduct = 0, \
502 .iSerialNumber = 0, \
503 .bNumConfigurations = 0, \
504 }; \
505 static STRUCT_SECTION_ITERABLE(usbd_context, device_name) = { \
506 .name = STRINGIFY(device_name), \
507 .dev = udc_dev, \
508 .fs_desc = &fs_desc_##device_name, \
509 .hs_desc = &hs_desc_##device_name, \
510 }
511
529#define USBD_CONFIGURATION_DEFINE(name, attrib, power, desc_nd) \
530 static struct usb_cfg_descriptor \
531 cfg_desc_##name = { \
532 .bLength = sizeof(struct usb_cfg_descriptor), \
533 .bDescriptorType = USB_DESC_CONFIGURATION, \
534 .wTotalLength = 0, \
535 .bNumInterfaces = 0, \
536 .bConfigurationValue = 1, \
537 .iConfiguration = 0, \
538 .bmAttributes = USB_SCD_RESERVED | (attrib), \
539 .bMaxPower = (power), \
540 }; \
541 BUILD_ASSERT((power) < 256, "Too much power"); \
542 static struct usbd_config_node name = { \
543 .desc = &cfg_desc_##name, \
544 .str_desc_nd = desc_nd, \
545 }
546
560#define USBD_DESC_LANG_DEFINE(name) \
561 static uint16_t langid_##name = sys_cpu_to_le16(0x0409); \
562 static struct usbd_desc_node name = { \
563 .str = { \
564 .idx = 0, \
565 .utype = USBD_DUT_STRING_LANG, \
566 }, \
567 .ptr = &langid_##name, \
568 .bLength = sizeof(struct usb_string_descriptor), \
569 .bDescriptorType = USB_DESC_STRING, \
570 }
571
583#define USBD_DESC_STRING_DEFINE(d_name, d_string, d_utype) \
584 static uint8_t ascii_##d_name[USB_BSTRING_LENGTH(d_string)] = d_string; \
585 static struct usbd_desc_node d_name = { \
586 .str = { \
587 .utype = d_utype, \
588 .ascii7 = true, \
589 }, \
590 .ptr = &ascii_##d_name, \
591 .bLength = USB_STRING_DESCRIPTOR_LENGTH(d_string), \
592 .bDescriptorType = USB_DESC_STRING, \
593 }
594
606#define USBD_DESC_MANUFACTURER_DEFINE(d_name, d_string) \
607 USBD_DESC_STRING_DEFINE(d_name, d_string, USBD_DUT_STRING_MANUFACTURER)
608
620#define USBD_DESC_PRODUCT_DEFINE(d_name, d_string) \
621 USBD_DESC_STRING_DEFINE(d_name, d_string, USBD_DUT_STRING_PRODUCT)
622
633#define USBD_DESC_SERIAL_NUMBER_DEFINE(d_name) \
634 static struct usbd_desc_node d_name = { \
635 .str = { \
636 .utype = USBD_DUT_STRING_SERIAL_NUMBER, \
637 .ascii7 = true, \
638 .use_hwinfo = true, \
639 }, \
640 .bDescriptorType = USB_DESC_STRING, \
641 }
642
652#define USBD_DESC_CONFIG_DEFINE(d_name, d_string) \
653 USBD_DESC_STRING_DEFINE(d_name, d_string, USBD_DUT_STRING_CONFIG)
654
665#define USBD_DESC_BOS_DEFINE(name, len, subset) \
666 static struct usbd_desc_node name = { \
667 .bos = { \
668 .utype = USBD_DUT_BOS_NONE, \
669 }, \
670 .ptr = subset, \
671 .bLength = len, \
672 .bDescriptorType = USB_DESC_BOS, \
673 }
674
683#define USBD_VREQUEST_DEFINE(name, vcode, vto_host, vto_dev) \
684 static struct usbd_vreq_node name = { \
685 .code = vcode, \
686 .to_host = vto_host, \
687 .to_dev = vto_dev, \
688 }
689
706#define USBD_DESC_BOS_VREQ_DEFINE(name, len, subset, vcode, vto_host, vto_dev) \
707 USBD_VREQUEST_DEFINE(vreq_nd_##name, vcode, vto_host, vto_dev); \
708 static struct usbd_desc_node name = { \
709 .bos = { \
710 .utype = USBD_DUT_BOS_VREQ, \
711 .vreq_nd = &vreq_nd_##name, \
712 }, \
713 .ptr = subset, \
714 .bLength = len, \
715 .bDescriptorType = USB_DESC_BOS, \
716 }
717
729#define USBD_DEFINE_CLASS(class_name, class_api, class_priv, class_v_reqs) \
730 static struct usbd_class_data class_name = { \
731 .name = STRINGIFY(class_name), \
732 .api = class_api, \
733 .v_reqs = class_v_reqs, \
734 .priv = class_priv, \
735 }; \
736 static STRUCT_SECTION_ITERABLE_ALTERNATE( \
737 usbd_class_fs, usbd_class_node, class_name##_fs) = { \
738 .c_data = &class_name, \
739 }; \
740 static STRUCT_SECTION_ITERABLE_ALTERNATE( \
741 usbd_class_hs, usbd_class_node, class_name##_hs) = { \
742 .c_data = &class_name, \
743 }
744
750#define VENDOR_REQ_DEFINE(_reqs, _len) \
751 { \
752 .reqs = (const uint8_t *)(_reqs), \
753 .len = (_len), \
754 }
755
760#define USBD_VENDOR_REQ(_reqs...) \
761 VENDOR_REQ_DEFINE(((uint8_t []) { _reqs }), \
762 sizeof((uint8_t []) { _reqs }))
763
764
776 struct usbd_desc_node *dn);
777
785uint8_t usbd_str_desc_get_idx(const struct usbd_desc_node *const desc_nd);
786
794void usbd_remove_descriptor(struct usbd_desc_node *const desc_nd);
795
806 const enum usbd_speed speed,
807 struct usbd_config_node *cd);
808
831 const char *name,
832 const enum usbd_speed speed, uint8_t cfg);
833
851 const enum usbd_speed speed, uint8_t cfg);
852
868 const char *name,
869 const enum usbd_speed speed, uint8_t cfg);
870
884 const enum usbd_speed speed, uint8_t cfg);
885
894int usbd_msg_register_cb(struct usbd_context *const uds_ctx,
895 const usbd_msg_cb_t cb);
896
910int usbd_init(struct usbd_context *uds_ctx);
911
921int usbd_enable(struct usbd_context *uds_ctx);
922
932int usbd_disable(struct usbd_context *uds_ctx);
933
943int usbd_shutdown(struct usbd_context *const uds_ctx);
944
953int usbd_ep_set_halt(struct usbd_context *uds_ctx, uint8_t ep);
954
963int usbd_ep_clear_halt(struct usbd_context *uds_ctx, uint8_t ep);
964
973bool usbd_ep_is_halted(struct usbd_context *uds_ctx, uint8_t ep);
974
986struct net_buf *usbd_ep_buf_alloc(const struct usbd_class_data *const c_data,
987 const uint8_t ep, const size_t size);
988
999int usbd_ep_ctrl_enqueue(struct usbd_context *const uds_ctx,
1000 struct net_buf *const buf);
1001
1012int usbd_ep_enqueue(const struct usbd_class_data *const c_data,
1013 struct net_buf *const buf);
1014
1023int usbd_ep_dequeue(struct usbd_context *uds_ctx, const uint8_t ep);
1024
1035int usbd_ep_buf_free(struct usbd_context *uds_ctx, struct net_buf *buf);
1036
1044bool usbd_is_suspended(struct usbd_context *uds_ctx);
1045
1052
1060enum usbd_speed usbd_bus_speed(const struct usbd_context *const uds_ctx);
1061
1069enum usbd_speed usbd_caps_speed(const struct usbd_context *const uds_ctx);
1070
1080int usbd_device_set_bcd_usb(struct usbd_context *const uds_ctx,
1081 const enum usbd_speed speed, const uint16_t bcd);
1082
1091int usbd_device_set_vid(struct usbd_context *const uds_ctx,
1092 const uint16_t vid);
1093
1102int usbd_device_set_pid(struct usbd_context *const uds_ctx,
1103 const uint16_t pid);
1104
1114 const uint16_t bcd);
1115
1128 const enum usbd_speed speed,
1129 const uint8_t base_class,
1130 const uint8_t subclass, const uint8_t protocol);
1131
1142int usbd_config_attrib_rwup(struct usbd_context *const uds_ctx,
1143 const enum usbd_speed speed,
1144 const uint8_t cfg, const bool enable);
1145
1156int usbd_config_attrib_self(struct usbd_context *const uds_ctx,
1157 const enum usbd_speed speed,
1158 const uint8_t cfg, const bool enable);
1159
1170int usbd_config_maxpower(struct usbd_context *const uds_ctx,
1171 const enum usbd_speed speed,
1172 const uint8_t cfg, const uint8_t power);
1173
1186bool usbd_can_detect_vbus(struct usbd_context *const uds_ctx);
1187
1199int usbd_device_register_vreq(struct usbd_context *const uds_ctx,
1200 struct usbd_vreq_node *const vreq_nd);
1201
1206#ifdef __cplusplus
1207}
1208#endif
1209
1210#endif /* ZEPHYR_INCLUDE_USBD_H_ */
long atomic_t
Definition atomic_types.h:15
struct _dnode sys_dnode_t
Doubly-linked list node structure.
Definition dlist.h:54
struct _dnode sys_dlist_t
Doubly-linked list structure.
Definition dlist.h:50
struct _slist sys_slist_t
Single-linked list structure.
Definition slist.h:49
struct _snode sys_snode_t
Single-linked list node structure.
Definition slist.h:39
int usbd_ep_clear_halt(struct usbd_context *uds_ctx, uint8_t ep)
Clear endpoint halt.
int usbd_device_set_vid(struct usbd_context *const uds_ctx, const uint16_t vid)
Set USB device descriptor value idVendor.
int usbd_ep_dequeue(struct usbd_context *uds_ctx, const uint8_t ep)
Remove all USB device controller requests from endpoint queue.
int usbd_ep_set_halt(struct usbd_context *uds_ctx, uint8_t ep)
Halt endpoint.
int usbd_enable(struct usbd_context *uds_ctx)
Enable the USB device support and registered class instances.
int usbd_unregister_class(struct usbd_context *uds_ctx, const char *name, const enum usbd_speed speed, uint8_t cfg)
Unregister an USB class instance.
int usbd_unregister_all_classes(struct usbd_context *uds_ctx, const enum usbd_speed speed, uint8_t cfg)
Unregister all available USB class instances.
int usbd_config_attrib_rwup(struct usbd_context *const uds_ctx, const enum usbd_speed speed, const uint8_t cfg, const bool enable)
Setup USB device configuration attribute Remote Wakeup.
void(* usbd_msg_cb_t)(struct usbd_context *const ctx, const struct usbd_msg *const msg)
Callback type definition for USB device message delivery.
Definition usbd.h:272
static void * usbd_class_get_private(const struct usbd_class_data *const c_data)
Get class implementation private data.
Definition usbd.h:445
int usbd_msg_register_cb(struct usbd_context *const uds_ctx, const usbd_msg_cb_t cb)
Register USB notification message callback.
usbd_speed
USB device speed.
Definition usbd.h:236
void usbd_remove_descriptor(struct usbd_desc_node *const desc_nd)
Remove USB string descriptor.
int usbd_add_descriptor(struct usbd_context *uds_ctx, struct usbd_desc_node *dn)
Add common USB descriptor.
int usbd_wakeup_request(struct usbd_context *uds_ctx)
Initiate the USB remote wakeup (TBD)
int usbd_shutdown(struct usbd_context *const uds_ctx)
Shutdown the USB device support.
int usbd_register_all_classes(struct usbd_context *uds_ctx, const enum usbd_speed speed, uint8_t cfg)
Register all available USB class instances.
int usbd_device_set_pid(struct usbd_context *const uds_ctx, const uint16_t pid)
Set USB device descriptor value idProduct.
int usbd_register_class(struct usbd_context *uds_ctx, const char *name, const enum usbd_speed speed, uint8_t cfg)
Register an USB class instance.
int usbd_config_maxpower(struct usbd_context *const uds_ctx, const enum usbd_speed speed, const uint8_t cfg, const uint8_t power)
Setup USB device configuration power consumption.
bool usbd_can_detect_vbus(struct usbd_context *const uds_ctx)
Check that the controller can detect the VBUS state change.
int usbd_add_configuration(struct usbd_context *uds_ctx, const enum usbd_speed speed, struct usbd_config_node *cd)
Add a USB device configuration.
bool usbd_is_suspended(struct usbd_context *uds_ctx)
Checks whether the USB device controller is suspended.
struct net_buf * usbd_ep_buf_alloc(const struct usbd_class_data *const c_data, const uint8_t ep, const size_t size)
Allocate buffer for USB device request.
int usbd_init(struct usbd_context *uds_ctx)
Initialize USB device.
int usbd_device_set_code_triple(struct usbd_context *const uds_ctx, const enum usbd_speed speed, const uint8_t base_class, const uint8_t subclass, const uint8_t protocol)
Set USB device descriptor code triple Base Class, SubClass, and Protocol.
int usbd_ep_buf_free(struct usbd_context *uds_ctx, struct net_buf *buf)
Free USB device request buffer.
int usbd_config_attrib_self(struct usbd_context *const uds_ctx, const enum usbd_speed speed, const uint8_t cfg, const bool enable)
Setup USB device configuration attribute Self-powered.
bool usbd_ep_is_halted(struct usbd_context *uds_ctx, uint8_t ep)
Checks whether the endpoint is halted.
usbd_ch9_state
USB device support middle layer runtime state.
Definition usbd.h:206
int usbd_ep_ctrl_enqueue(struct usbd_context *const uds_ctx, struct net_buf *const buf)
Queue USB device control request.
int usbd_disable(struct usbd_context *uds_ctx)
Disable the USB device support.
enum usbd_speed usbd_caps_speed(const struct usbd_context *const uds_ctx)
Get highest speed supported by the controller.
int usbd_ep_enqueue(const struct usbd_class_data *const c_data, struct net_buf *const buf)
Queue USB device request.
int usbd_device_register_vreq(struct usbd_context *const uds_ctx, struct usbd_vreq_node *const vreq_nd)
Register an USB vendor request with recipient device.
uint8_t usbd_str_desc_get_idx(const struct usbd_desc_node *const desc_nd)
Get USB string descriptor index from descriptor node.
enum usbd_speed usbd_bus_speed(const struct usbd_context *const uds_ctx)
Get actual device speed.
int usbd_device_set_bcd_usb(struct usbd_context *const uds_ctx, const enum usbd_speed speed, const uint16_t bcd)
Set USB device descriptor value bcdUSB.
#define USBD_NUMOF_INTERFACES_MAX
Definition usbd.h:198
static struct usbd_context * usbd_class_get_ctx(const struct usbd_class_data *const c_data)
Get the USB device runtime context under which the class is registered.
Definition usbd.h:430
int usbd_device_set_bcd_device(struct usbd_context *const uds_ctx, const uint16_t bcd)
Set USB device descriptor value bcdDevice.
@ USBD_SPEED_SS
Device supports or is connected to a super speed bus.
Definition usbd.h:242
@ USBD_SPEED_FS
Device supports or is connected to a full speed bus.
Definition usbd.h:238
@ USBD_SPEED_HS
Device supports or is connected to a high speed bus
Definition usbd.h:240
@ USBD_STATE_CONFIGURED
Definition usbd.h:209
@ USBD_STATE_DEFAULT
Definition usbd.h:207
@ USBD_STATE_ADDRESS
Definition usbd.h:208
state
Definition parser_state.h:29
__UINT32_TYPE__ uint32_t
Definition stdint.h:90
__UINT8_TYPE__ uint8_t
Definition stdint.h:88
__UINT16_TYPE__ uint16_t
Definition stdint.h:89
Runtime device structure (in ROM) per driver instance.
Definition device.h:412
Mutex Structure.
Definition kernel.h:2994
Network buffer representation.
Definition net_buf.h:1006
uint16_t size
Amount of data that this buffer can store.
Definition net_buf.h:1038
USB Setup Data packet defined in spec.
Definition usb_ch9.h:40
USBD BOS Device Capability descriptor data.
Definition usbd.h:149
enum usbd_bos_desc_utype utype
Descriptor usage type (not bDescriptorType)
Definition usbd.h:151
struct usbd_vreq_node *const vreq_nd
Definition usbd.h:153
Vendor Requests Table.
Definition usbd.h:311
const uint8_t * reqs
Array of vendor requests supported by the class.
Definition usbd.h:313
uint8_t len
Length of the array.
Definition usbd.h:315
USB device support middle layer runtime data.
Definition usbd.h:216
int ctrl_type
Control type, internally used for stage verification.
Definition usbd.h:220
uint8_t configuration
USB device stack selected configuration.
Definition usbd.h:226
uint32_t ep_halt
Halted endpoints bitmap.
Definition usbd.h:224
bool post_status
Post status stage work required, e.g.
Definition usbd.h:228
enum usbd_ch9_state state
Protocol state of the USB device stack.
Definition usbd.h:222
struct usb_setup_packet setup
Setup packet, up-to-date for the respective control request.
Definition usbd.h:218
uint8_t alternate[16U]
Array to track interfaces alternate settings.
Definition usbd.h:230
USB device support class instance API.
Definition usbd.h:326
void(* feature_halt)(struct usbd_class_data *const c_data, uint8_t ep, bool halted)
Feature halt state update handler.
Definition usbd.h:328
void(* update)(struct usbd_class_data *const c_data, uint8_t iface, uint8_t alternate)
Configuration update handler.
Definition usbd.h:332
void(* sof)(struct usbd_class_data *const c_data)
Start of Frame.
Definition usbd.h:356
void(* suspended)(struct usbd_class_data *const c_data)
USB power management handler suspended.
Definition usbd.h:350
void(* shutdown)(struct usbd_class_data *const c_data)
Shutdown of the class implementation.
Definition usbd.h:368
int(* request)(struct usbd_class_data *const c_data, struct net_buf *buf, int err)
Endpoint request completion event handler.
Definition usbd.h:346
int(* init)(struct usbd_class_data *const c_data)
Initialization of the class implementation.
Definition usbd.h:365
int(* control_to_dev)(struct usbd_class_data *const c_data, const struct usb_setup_packet *const setup, const struct net_buf *const buf)
USB control request handler to device.
Definition usbd.h:336
void(* enable)(struct usbd_class_data *const c_data)
Class associated configuration is selected.
Definition usbd.h:359
int(* control_to_host)(struct usbd_class_data *const c_data, const struct usb_setup_packet *const setup, struct net_buf *const buf)
USB control request handler to host.
Definition usbd.h:341
void(* resumed)(struct usbd_class_data *const c_data)
USB power management handler resumed.
Definition usbd.h:353
void(* disable)(struct usbd_class_data *const c_data)
Class associated configuration is disabled.
Definition usbd.h:362
USB device support class data.
Definition usbd.h:378
void * priv
Pointer to private data.
Definition usbd.h:388
struct usbd_context * uds_ctx
Pointer to USB device stack context structure.
Definition usbd.h:382
const struct usbd_cctx_vendor_req * v_reqs
Supported vendor request table, can be NULL.
Definition usbd.h:386
const struct usbd_class_api * api
Pointer to device support class API.
Definition usbd.h:384
const char * name
Name of the USB device class instance.
Definition usbd.h:380
Device configuration node.
Definition usbd.h:186
sys_snode_t node
slist node struct
Definition usbd.h:188
sys_slist_t class_list
List of registered classes (functions)
Definition usbd.h:194
struct usbd_desc_node * str_desc_nd
Optional pointer to string descriptor node.
Definition usbd.h:192
void * desc
Pointer to configuration descriptor.
Definition usbd.h:190
USB device support runtime context.
Definition usbd.h:281
void * fs_desc
Pointer to Full-Speed device descriptor.
Definition usbd.h:303
void * hs_desc
Pointer to High-Speed device descriptor.
Definition usbd.h:305
usbd_msg_cb_t msg_cb
Notification message recipient callback.
Definition usbd.h:289
struct usbd_status status
Status of the USB device support.
Definition usbd.h:301
sys_slist_t hs_configs
slist to manage High-Speed device configurations
Definition usbd.h:297
struct usbd_ch9_data ch9_data
Middle layer runtime data.
Definition usbd.h:291
const struct device * dev
Pointer to UDC device.
Definition usbd.h:287
sys_dlist_t vreqs
dlist to manage vendor requests with recipient device
Definition usbd.h:299
sys_slist_t fs_configs
slist to manage Full-Speed device configurations
Definition usbd.h:295
struct k_mutex mutex
Access mutex.
Definition usbd.h:285
const char * name
Name of the USB device.
Definition usbd.h:283
sys_dlist_t descriptors
slist to manage descriptors like string, BOS
Definition usbd.h:293
Descriptor node.
Definition usbd.h:163
uint8_t bDescriptorType
Descriptor type.
Definition usbd.h:175
sys_dnode_t node
slist node struct
Definition usbd.h:165
const void *const ptr
Opaque pointer to a descriptor payload.
Definition usbd.h:171
uint8_t bLength
Descriptor size in bytes.
Definition usbd.h:173
struct usbd_str_desc_data str
Definition usbd.h:167
struct usbd_bos_desc_data bos
Definition usbd.h:168
USB device message.
Definition usbd_msg.h:82
USB device support status.
Definition usbd.h:248
unsigned int rwup
USB remote wake-up feature is enabled.
Definition usbd.h:256
unsigned int enabled
USB device support is enabled.
Definition usbd.h:252
enum usbd_speed speed
USB device speed.
Definition usbd.h:258
unsigned int initialized
USB device support is initialized.
Definition usbd.h:250
unsigned int suspended
USB device is suspended.
Definition usbd.h:254
Used internally to keep descriptors in order.
Definition usbd.h:87
uint8_t idx
Descriptor index, required for string descriptors.
Definition usbd.h:89
enum usbd_str_desc_utype utype
Descriptor usage type (not bDescriptorType)
Definition usbd.h:91
unsigned int use_hwinfo
Device stack obtains SerialNumber using the HWINFO API.
Definition usbd.h:95
unsigned int ascii7
The string descriptor is in ASCII7 format.
Definition usbd.h:93
USBD vendor request node.
Definition usbd.h:131
sys_dnode_t node
Node information for the dlist.
Definition usbd.h:133
const uint8_t code
Vendor code (bRequest value)
Definition usbd.h:135
int(* to_host)(const struct usbd_context *const ctx, const struct usb_setup_packet *const setup, struct net_buf *const buf)
Vendor request callback for device-to-host direction.
Definition usbd.h:137
int(* to_dev)(const struct usbd_context *const ctx, const struct usb_setup_packet *const setup, const struct net_buf *const buf)
Vendor request callback for host-to-device direction.
Definition usbd.h:141
Byte order helpers.
Buffers for USB device support.
USB Chapter 9 structures and definitions.
USB support message types and structure.