| /* |
| * Human Interface Device (HID) USB class core |
| * |
| * Copyright (c) 2018 Intel Corporation |
| * Copyright (c) 2018 Nordic Semiconductor ASA |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #define LOG_LEVEL CONFIG_USB_HID_LOG_LEVEL |
| #include <logging/log.h> |
| LOG_MODULE_REGISTER(usb_hid); |
| |
| #include <sys/byteorder.h> |
| #include <usb_device.h> |
| #include <usb_common.h> |
| |
| #include <usb_descriptor.h> |
| #include <class/usb_hid.h> |
| |
| #include <stdlib.h> |
| |
| #define HID_INT_IN_EP_IDX 0 |
| #define HID_INT_OUT_EP_IDX 1 |
| |
| struct usb_hid_class_subdescriptor { |
| uint8_t bDescriptorType; |
| uint16_t wDescriptorLength; |
| } __packed; |
| |
| struct usb_hid_descriptor { |
| uint8_t bLength; |
| uint8_t bDescriptorType; |
| uint16_t bcdHID; |
| uint8_t bCountryCode; |
| uint8_t bNumDescriptors; |
| |
| /* |
| * Specification says at least one Class Descriptor needs to |
| * be present (Report Descriptor). |
| */ |
| struct usb_hid_class_subdescriptor subdesc[1]; |
| } __packed; |
| |
| struct usb_hid_config { |
| struct usb_if_descriptor if0; |
| struct usb_hid_descriptor if0_hid; |
| struct usb_ep_descriptor if0_int_in_ep; |
| #ifdef CONFIG_ENABLE_HID_INT_OUT_EP |
| struct usb_ep_descriptor if0_int_out_ep; |
| #endif |
| } __packed; |
| |
| #if defined(CONFIG_USB_HID_BOOT_PROTOCOL) |
| #define INITIALIZER_IF \ |
| { \ |
| .bLength = sizeof(struct usb_if_descriptor), \ |
| .bDescriptorType = USB_INTERFACE_DESC, \ |
| .bInterfaceNumber = 0, \ |
| .bAlternateSetting = 0, \ |
| .bNumEndpoints = 1, \ |
| .bInterfaceClass = HID_CLASS, \ |
| .bInterfaceSubClass = 1, \ |
| .bInterfaceProtocol = CONFIG_USB_HID_PROTOCOL_CODE, \ |
| .iInterface = 0, \ |
| } |
| #else |
| #define INITIALIZER_IF \ |
| { \ |
| .bLength = sizeof(struct usb_if_descriptor), \ |
| .bDescriptorType = USB_INTERFACE_DESC, \ |
| .bInterfaceNumber = 0, \ |
| .bAlternateSetting = 0, \ |
| .bNumEndpoints = 1, \ |
| .bInterfaceClass = HID_CLASS, \ |
| .bInterfaceSubClass = 0, \ |
| .bInterfaceProtocol = 0, \ |
| .iInterface = 0, \ |
| } |
| #endif |
| |
| /* Descriptor length needs to be set after initialization */ |
| #define INITIALIZER_IF_HID \ |
| { \ |
| .bLength = sizeof(struct usb_hid_descriptor), \ |
| .bDescriptorType = USB_HID_DESC, \ |
| .bcdHID = sys_cpu_to_le16(USB_1_1), \ |
| .bCountryCode = 0, \ |
| .bNumDescriptors = 1, \ |
| .subdesc[0] = { \ |
| .bDescriptorType = USB_HID_REPORT_DESC, \ |
| .wDescriptorLength = 0, \ |
| }, \ |
| } |
| |
| #define INITIALIZER_IF_EP(addr, attr, mps) \ |
| { \ |
| .bLength = sizeof(struct usb_ep_descriptor), \ |
| .bDescriptorType = USB_ENDPOINT_DESC, \ |
| .bEndpointAddress = addr, \ |
| .bmAttributes = attr, \ |
| .wMaxPacketSize = sys_cpu_to_le16(mps), \ |
| .bInterval = CONFIG_USB_HID_POLL_INTERVAL_MS, \ |
| } |
| |
| #ifdef CONFIG_ENABLE_HID_INT_OUT_EP |
| #define DEFINE_HID_DESCR(x, _) \ |
| USBD_CLASS_DESCR_DEFINE(primary, x) \ |
| struct usb_hid_config hid_cfg_##x = { \ |
| /* Interface descriptor */ \ |
| .if0 = INITIALIZER_IF, \ |
| .if0_hid = INITIALIZER_IF_HID, \ |
| .if0_int_in_ep = \ |
| INITIALIZER_IF_EP(AUTO_EP_IN, \ |
| USB_DC_EP_INTERRUPT, \ |
| CONFIG_HID_INTERRUPT_EP_MPS), \ |
| .if0_int_out_ep = \ |
| INITIALIZER_IF_EP(AUTO_EP_OUT, \ |
| USB_DC_EP_INTERRUPT, \ |
| CONFIG_HID_INTERRUPT_EP_MPS), \ |
| }; |
| #else |
| #define DEFINE_HID_DESCR(x, _) \ |
| USBD_CLASS_DESCR_DEFINE(primary, x) \ |
| struct usb_hid_config hid_cfg_##x = { \ |
| /* Interface descriptor */ \ |
| .if0 = INITIALIZER_IF, \ |
| .if0_hid = INITIALIZER_IF_HID, \ |
| .if0_int_in_ep = \ |
| INITIALIZER_IF_EP(AUTO_EP_IN, \ |
| USB_DC_EP_INTERRUPT, \ |
| CONFIG_HID_INTERRUPT_EP_MPS), \ |
| }; |
| #endif |
| |
| struct hid_device_info { |
| const uint8_t *report_desc; |
| size_t report_size; |
| const struct hid_ops *ops; |
| #ifdef CONFIG_USB_DEVICE_SOF |
| uint32_t sof_cnt[CONFIG_USB_HID_REPORTS]; |
| bool idle_on; |
| uint8_t idle_rate[CONFIG_USB_HID_REPORTS]; |
| #endif |
| #ifdef CONFIG_USB_HID_BOOT_PROTOCOL |
| uint8_t protocol; |
| #endif |
| bool configured; |
| bool suspended; |
| struct usb_dev_data common; |
| }; |
| |
| static sys_slist_t usb_hid_devlist; |
| |
| static int hid_on_get_idle(struct hid_device_info *dev_data, |
| struct usb_setup_packet *setup, int32_t *len, |
| uint8_t **data) |
| { |
| #ifdef CONFIG_USB_DEVICE_SOF |
| uint8_t report_id = (uint8_t)setup->wValue; |
| |
| if (report_id > CONFIG_USB_HID_REPORTS) { |
| LOG_ERR("Report id out of limit: %d", report_id); |
| return -ENOTSUP; |
| } |
| |
| LOG_DBG("Get Idle callback, report_id: %d", report_id); |
| |
| if (report_id == 0U) { |
| /* |
| * Common value, stored on Set Idle request with Report ID 0, |
| * can be outdated because the duration can also |
| * be set individually for each Report ID. |
| */ |
| *data = &dev_data->idle_rate[0]; |
| *len = sizeof(dev_data->idle_rate[0]); |
| } else { |
| *data = &dev_data->idle_rate[report_id - 1]; |
| *len = sizeof(dev_data->idle_rate[report_id - 1]); |
| } |
| |
| return 0; |
| #else |
| return -ENOTSUP; |
| #endif |
| } |
| |
| static int hid_on_get_report(struct hid_device_info *dev_data, |
| struct usb_setup_packet *setup, int32_t *len, |
| uint8_t **data) |
| { |
| LOG_DBG("Get Report callback"); |
| |
| /* TODO: Do something. */ |
| |
| return -ENOTSUP; |
| } |
| |
| static int hid_on_get_protocol(struct hid_device_info *dev_data, |
| struct usb_setup_packet *setup, int32_t *len, |
| uint8_t **data) |
| { |
| #ifdef CONFIG_USB_HID_BOOT_PROTOCOL |
| uint32_t size = sizeof(dev_data->protocol); |
| |
| if (setup->wValue) { |
| LOG_ERR("wValue should be 0"); |
| return -ENOTSUP; |
| } |
| |
| LOG_DBG("Get Protocol: %d", dev_data->protocol); |
| |
| *data = &dev_data->protocol; |
| *len = size; |
| return 0; |
| #else |
| return -ENOTSUP; |
| #endif |
| } |
| |
| static int hid_on_set_idle(struct hid_device_info *dev_data, |
| struct usb_setup_packet *setup, int32_t *len, |
| uint8_t **data) |
| { |
| #ifdef CONFIG_USB_DEVICE_SOF |
| uint8_t rate = (uint8_t)(setup->wValue >> 8); |
| uint8_t report_id = (uint8_t)setup->wValue; |
| |
| if (report_id > CONFIG_USB_HID_REPORTS) { |
| LOG_ERR("Report id out of limit: %d", report_id); |
| return -ENOTSUP; |
| } |
| |
| LOG_DBG("Set Idle callback, rate: %d, report_id: %d", rate, report_id); |
| |
| if (report_id == 0U) { |
| for (uint16_t i = 0; i < CONFIG_USB_HID_REPORTS; i++) { |
| dev_data->idle_rate[i] = rate; |
| dev_data->sof_cnt[i] = 0U; |
| } |
| } else { |
| dev_data->idle_rate[report_id - 1] = rate; |
| dev_data->sof_cnt[report_id - 1] = 0U; |
| } |
| |
| dev_data->idle_on = (bool)setup->wValue; |
| |
| return 0; |
| #else |
| return -ENOTSUP; |
| #endif |
| } |
| |
| static int hid_on_set_report(struct hid_device_info *dev_data, |
| struct usb_setup_packet *setup, int32_t *len, |
| uint8_t **data) |
| { |
| LOG_DBG("Set Report callback"); |
| |
| /* TODO: Do something. */ |
| |
| return -ENOTSUP; |
| } |
| |
| static int hid_on_set_protocol(const struct device *dev, |
| struct hid_device_info *dev_data, |
| struct usb_setup_packet *setup) |
| { |
| #ifdef CONFIG_USB_HID_BOOT_PROTOCOL |
| uint16_t protocol = setup->wValue; |
| |
| if (protocol > HID_PROTOCOL_REPORT) { |
| LOG_ERR("Unsupported protocol: %u", protocol); |
| return -ENOTSUP; |
| } |
| |
| LOG_DBG("Set Protocol: %u", protocol); |
| |
| if (dev_data->protocol != protocol) { |
| dev_data->protocol = protocol; |
| |
| if (dev_data->ops && dev_data->ops->protocol_change) { |
| dev_data->ops->protocol_change(dev, protocol); |
| } |
| } |
| |
| return 0; |
| #else |
| return -ENOTSUP; |
| #endif |
| } |
| |
| static void usb_set_hid_report_size(const struct usb_cfg_data *cfg, uint16_t size) |
| { |
| struct usb_if_descriptor *if_desc = (void *)cfg->interface_descriptor; |
| struct usb_hid_config *desc = |
| CONTAINER_OF(if_desc, struct usb_hid_config, if0); |
| |
| LOG_DBG("if_desc %p desc %p size %u", if_desc, desc, size); |
| |
| sys_put_le16(size, |
| (uint8_t *)&(desc->if0_hid.subdesc[0].wDescriptorLength)); |
| } |
| |
| #ifdef CONFIG_USB_DEVICE_SOF |
| void hid_clear_idle_ctx(struct hid_device_info *dev_data) |
| { |
| dev_data->idle_on = false; |
| for (uint16_t i = 0; i < CONFIG_USB_HID_REPORTS; i++) { |
| dev_data->sof_cnt[i] = 0U; |
| dev_data->idle_rate[i] = 0U; |
| } |
| } |
| |
| void hid_sof_handler(struct hid_device_info *dev_data) |
| { |
| const struct device *dev = dev_data->common.dev; |
| bool reported = false; |
| |
| if (dev_data->ops == NULL || dev_data->ops->on_idle == NULL) { |
| return; |
| } |
| |
| for (uint16_t i = 0; i < CONFIG_USB_HID_REPORTS; i++) { |
| if (dev_data->idle_rate[i]) { |
| dev_data->sof_cnt[i]++; |
| } else { |
| continue; |
| } |
| |
| uint32_t diff = abs(dev_data->idle_rate[i] * 4U - |
| dev_data->sof_cnt[i]); |
| |
| if (diff < 2 && reported == false) { |
| dev_data->sof_cnt[i] = 0U; |
| /* |
| * We can submit only one report at a time |
| * because we have only one endpoint and |
| * there is no queue for the packets/reports. |
| */ |
| reported = true; |
| dev_data->ops->on_idle(dev, i + 1); |
| } else if (diff == 0 && reported == true) { |
| /* Delay it once until it has spread. */ |
| dev_data->sof_cnt[i]--; |
| } |
| } |
| } |
| #endif |
| |
| static void hid_do_status_cb(struct hid_device_info *dev_data, |
| enum usb_dc_status_code status, |
| const uint8_t *param) |
| { |
| switch (status) { |
| case USB_DC_ERROR: |
| LOG_INF("Device error"); |
| break; |
| case USB_DC_RESET: |
| LOG_INF("Device reset detected"); |
| dev_data->configured = false; |
| dev_data->suspended = false; |
| #ifdef CONFIG_USB_HID_BOOT_PROTOCOL |
| dev_data->protocol = HID_PROTOCOL_REPORT; |
| #endif |
| #ifdef CONFIG_USB_DEVICE_SOF |
| hid_clear_idle_ctx(dev_data); |
| #endif |
| break; |
| case USB_DC_CONNECTED: |
| LOG_INF("Device connected"); |
| break; |
| case USB_DC_CONFIGURED: |
| LOG_INF("Device configured"); |
| dev_data->configured = true; |
| break; |
| case USB_DC_DISCONNECTED: |
| LOG_INF("Device disconnected"); |
| dev_data->configured = false; |
| dev_data->suspended = false; |
| break; |
| case USB_DC_SUSPEND: |
| LOG_INF("Device suspended"); |
| dev_data->suspended = true; |
| break; |
| case USB_DC_RESUME: |
| LOG_INF("Device resumed"); |
| if (dev_data->suspended) { |
| LOG_INF("from suspend"); |
| dev_data->suspended = false; |
| } else { |
| LOG_DBG("Spurious resume event"); |
| } |
| break; |
| case USB_DC_SOF: |
| #ifdef CONFIG_USB_DEVICE_SOF |
| if (dev_data->idle_on) { |
| hid_sof_handler(dev_data); |
| } |
| #endif |
| break; |
| case USB_DC_UNKNOWN: |
| default: |
| LOG_INF("Unknown event"); |
| break; |
| } |
| |
| } |
| |
| static void hid_status_cb(struct usb_cfg_data *cfg, |
| enum usb_dc_status_code status, |
| const uint8_t *param) |
| { |
| struct hid_device_info *dev_data; |
| struct usb_dev_data *common; |
| |
| LOG_DBG("cfg %p status %d", cfg, status); |
| |
| common = usb_get_dev_data_by_cfg(&usb_hid_devlist, cfg); |
| if (common == NULL) { |
| LOG_WRN("Device data not found for cfg %p", cfg); |
| return; |
| } |
| |
| dev_data = CONTAINER_OF(common, struct hid_device_info, common); |
| |
| hid_do_status_cb(dev_data, status, param); |
| } |
| |
| static int hid_class_handle_req(struct usb_setup_packet *setup, |
| int32_t *len, uint8_t **data) |
| { |
| struct hid_device_info *dev_data; |
| struct usb_dev_data *common; |
| const struct device *dev; |
| |
| LOG_DBG("Class request:" |
| "bRequest 0x%02x, bmRequestType 0x%02x len %d", |
| setup->bRequest, setup->bmRequestType, *len); |
| |
| common = usb_get_dev_data_by_iface(&usb_hid_devlist, |
| (uint8_t)setup->wIndex); |
| if (common == NULL) { |
| LOG_WRN("Device data not found for interface %u", |
| setup->wIndex); |
| return -ENODEV; |
| } |
| |
| dev_data = CONTAINER_OF(common, struct hid_device_info, common); |
| dev = common->dev; |
| |
| if (REQTYPE_GET_DIR(setup->bmRequestType) == REQTYPE_DIR_TO_HOST) { |
| switch (setup->bRequest) { |
| case USB_HID_GET_IDLE: |
| return hid_on_get_idle(dev_data, setup, len, data); |
| case USB_HID_GET_REPORT: |
| if (dev_data->ops && dev_data->ops->get_report) { |
| return dev_data->ops->get_report(dev, setup, |
| len, data); |
| } else { |
| return hid_on_get_report(dev_data, setup, len, |
| data); |
| } |
| break; |
| case USB_HID_GET_PROTOCOL: |
| return hid_on_get_protocol(dev_data, setup, len, data); |
| default: |
| LOG_ERR("Unhandled request 0x%02x", setup->bRequest); |
| break; |
| } |
| } else { |
| switch (setup->bRequest) { |
| case USB_HID_SET_IDLE: |
| return hid_on_set_idle(dev_data, setup, len, data); |
| case USB_HID_SET_REPORT: |
| if (dev_data->ops && dev_data->ops->set_report) { |
| return dev_data->ops->set_report(dev, setup, |
| len, data); |
| } else { |
| return hid_on_set_report(dev_data, setup, len, |
| data); |
| } |
| break; |
| case USB_HID_SET_PROTOCOL: |
| return hid_on_set_protocol(dev, dev_data, setup); |
| default: |
| LOG_ERR("Unhandled request 0x%02x", setup->bRequest); |
| break; |
| } |
| } |
| |
| return -ENOTSUP; |
| } |
| |
| static int hid_custom_handle_req(struct usb_setup_packet *setup, |
| int32_t *len, uint8_t **data) |
| { |
| LOG_DBG("Standard request:" |
| "bRequest 0x%02x, bmRequestType 0x%02x, len %d", |
| setup->bRequest, setup->bmRequestType, *len); |
| |
| if (REQTYPE_GET_DIR(setup->bmRequestType) == REQTYPE_DIR_TO_HOST && |
| REQTYPE_GET_RECIP(setup->bmRequestType) == |
| REQTYPE_RECIP_INTERFACE && |
| setup->bRequest == REQ_GET_DESCRIPTOR) { |
| uint8_t value = (uint8_t)(setup->wValue >> 8); |
| uint8_t iface_num = (uint8_t)setup->wIndex; |
| struct hid_device_info *dev_data; |
| struct usb_dev_data *common; |
| const struct usb_cfg_data *cfg; |
| const struct usb_hid_config *hid_desc; |
| |
| common = usb_get_dev_data_by_iface(&usb_hid_devlist, iface_num); |
| if (common == NULL) { |
| LOG_WRN("Device data not found for interface %u", |
| iface_num); |
| return -EINVAL; |
| } |
| |
| dev_data = CONTAINER_OF(common, struct hid_device_info, common); |
| |
| switch (value) { |
| case USB_DESC_HID: |
| cfg = common->dev->config; |
| hid_desc = cfg->interface_descriptor; |
| |
| LOG_DBG("Return HID Descriptor"); |
| |
| *len = MIN(*len, hid_desc->if0_hid.bLength); |
| *data = (uint8_t *)&hid_desc->if0_hid; |
| break; |
| case USB_DESC_HID_REPORT: |
| LOG_DBG("Return Report Descriptor"); |
| |
| /* Some buggy system may be pass a larger wLength when |
| * it try read HID report descriptor, although we had |
| * already tell it the right descriptor size. |
| * So truncated wLength if it doesn't match. */ |
| if (*len != dev_data->report_size) { |
| LOG_WRN("len %d doesn't match " |
| "Report Descriptor size", *len); |
| *len = MIN(*len, dev_data->report_size); |
| } |
| *data = (uint8_t *)dev_data->report_desc; |
| break; |
| default: |
| return -ENOTSUP; |
| } |
| |
| return 0; |
| } |
| |
| return -EINVAL; |
| } |
| |
| static void hid_int_in(uint8_t ep, enum usb_dc_ep_cb_status_code ep_status) |
| { |
| struct hid_device_info *dev_data; |
| struct usb_dev_data *common; |
| |
| common = usb_get_dev_data_by_ep(&usb_hid_devlist, ep); |
| if (common == NULL) { |
| LOG_WRN("Device data not found for endpoint %u", ep); |
| return; |
| } |
| |
| dev_data = CONTAINER_OF(common, struct hid_device_info, common); |
| |
| if (ep_status != USB_DC_EP_DATA_IN || dev_data->ops == NULL || |
| dev_data->ops->int_in_ready == NULL) { |
| return; |
| } |
| |
| dev_data->ops->int_in_ready(common->dev); |
| } |
| |
| #ifdef CONFIG_ENABLE_HID_INT_OUT_EP |
| static void hid_int_out(uint8_t ep, enum usb_dc_ep_cb_status_code ep_status) |
| { |
| struct hid_device_info *dev_data; |
| struct usb_dev_data *common; |
| |
| common = usb_get_dev_data_by_ep(&usb_hid_devlist, ep); |
| if (common == NULL) { |
| LOG_WRN("Device data not found for endpoint %u", ep); |
| return; |
| } |
| |
| dev_data = CONTAINER_OF(common, struct hid_device_info, common); |
| |
| if (ep_status != USB_DC_EP_DATA_OUT || dev_data->ops == NULL || |
| dev_data->ops->int_out_ready == NULL) { |
| return; |
| } |
| |
| dev_data->ops->int_out_ready(common->dev); |
| } |
| #endif |
| |
| #define INITIALIZER_EP_DATA(cb, addr) \ |
| { \ |
| .ep_cb = cb, \ |
| .ep_addr = addr, \ |
| } |
| |
| /* Describe Endpoints configuration */ |
| #ifdef CONFIG_ENABLE_HID_INT_OUT_EP |
| #define DEFINE_HID_EP(x, _) \ |
| static struct usb_ep_cfg_data hid_ep_data_##x[] = { \ |
| INITIALIZER_EP_DATA(hid_int_in, AUTO_EP_IN), \ |
| INITIALIZER_EP_DATA(hid_int_out, AUTO_EP_OUT), \ |
| }; |
| #else |
| #define DEFINE_HID_EP(x, _) \ |
| static struct usb_ep_cfg_data hid_ep_data_##x[] = { \ |
| INITIALIZER_EP_DATA(hid_int_in, AUTO_EP_IN), \ |
| }; |
| #endif |
| |
| static void hid_interface_config(struct usb_desc_header *head, |
| uint8_t bInterfaceNumber) |
| { |
| struct usb_if_descriptor *if_desc = (struct usb_if_descriptor *)head; |
| struct usb_hid_config *desc = |
| CONTAINER_OF(if_desc, struct usb_hid_config, if0); |
| |
| LOG_DBG(""); |
| |
| desc->if0.bInterfaceNumber = bInterfaceNumber; |
| #ifdef CONFIG_ENABLE_HID_INT_OUT_EP |
| desc->if0.bNumEndpoints = 2; |
| #endif |
| } |
| |
| #define DEFINE_HID_CFG_DATA(x, _) \ |
| USBD_CFG_DATA_DEFINE(primary, hid) \ |
| struct usb_cfg_data hid_config_##x = { \ |
| .usb_device_description = NULL, \ |
| .interface_config = hid_interface_config, \ |
| .interface_descriptor = &hid_cfg_##x.if0, \ |
| .cb_usb_status = hid_status_cb, \ |
| .interface = { \ |
| .class_handler = hid_class_handle_req, \ |
| .custom_handler = hid_custom_handle_req, \ |
| }, \ |
| .num_endpoints = ARRAY_SIZE(hid_ep_data_##x), \ |
| .endpoint = hid_ep_data_##x, \ |
| }; |
| |
| int usb_hid_set_proto_code(const struct device *dev, uint8_t proto_code) |
| { |
| const struct usb_cfg_data *cfg = dev->config; |
| struct usb_if_descriptor *if_desc = cfg->interface_descriptor; |
| |
| if (IS_ENABLED(CONFIG_USB_HID_BOOT_PROTOCOL)) { |
| if_desc->bInterfaceProtocol = proto_code; |
| return 0; |
| } |
| |
| return -ENOTSUP; |
| } |
| |
| int usb_hid_init(const struct device *dev) |
| { |
| struct usb_cfg_data *cfg = (void *)dev->config; |
| struct hid_device_info *dev_data = dev->data; |
| |
| LOG_DBG("Initializing HID Device: dev %p", dev); |
| |
| /* |
| * Modify Report Descriptor Size |
| */ |
| usb_set_hid_report_size(cfg, dev_data->report_size); |
| |
| return 0; |
| } |
| |
| void usb_hid_register_device(const struct device *dev, const uint8_t *desc, |
| size_t size, const struct hid_ops *ops) |
| { |
| struct hid_device_info *dev_data = dev->data; |
| |
| dev_data->report_desc = desc; |
| dev_data->report_size = size; |
| |
| dev_data->ops = ops; |
| dev_data->common.dev = dev; |
| |
| sys_slist_append(&usb_hid_devlist, &dev_data->common.node); |
| |
| LOG_DBG("Added dev_data %p dev %p to devlist %p", dev_data, dev, |
| &usb_hid_devlist); |
| } |
| |
| int hid_int_ep_write(const struct device *dev, const uint8_t *data, uint32_t data_len, |
| uint32_t *bytes_ret) |
| { |
| const struct usb_cfg_data *cfg = dev->config; |
| struct hid_device_info *hid_dev_data = dev->data; |
| |
| if (hid_dev_data->configured && !hid_dev_data->suspended) { |
| return usb_write(cfg->endpoint[HID_INT_IN_EP_IDX].ep_addr, data, |
| data_len, bytes_ret); |
| } else { |
| LOG_WRN("Device is not configured"); |
| return -EAGAIN; |
| } |
| |
| } |
| |
| int hid_int_ep_read(const struct device *dev, uint8_t *data, uint32_t max_data_len, |
| uint32_t *ret_bytes) |
| { |
| #ifdef CONFIG_ENABLE_HID_INT_OUT_EP |
| const struct usb_cfg_data *cfg = dev->config; |
| |
| return usb_read(cfg->endpoint[HID_INT_OUT_EP_IDX].ep_addr, |
| data, max_data_len, ret_bytes); |
| #else |
| return -ENOTSUP; |
| #endif |
| } |
| |
| static const struct usb_hid_device_api { |
| void (*init)(void); |
| } hid_api; |
| |
| static int usb_hid_device_init(const struct device *dev) |
| { |
| LOG_DBG("Init HID Device: dev %p (%s)", dev, dev->name); |
| |
| return 0; |
| } |
| |
| #define DEFINE_HID_DEV_DATA(x, _) \ |
| struct hid_device_info usb_hid_dev_data_##x; |
| |
| #define DEFINE_HID_DEVICE(x, _) \ |
| DEVICE_DEFINE(usb_hid_device_##x, \ |
| CONFIG_USB_HID_DEVICE_NAME "_" #x, \ |
| &usb_hid_device_init, \ |
| NULL, \ |
| &usb_hid_dev_data_##x, \ |
| &hid_config_##x, POST_KERNEL, \ |
| CONFIG_KERNEL_INIT_PRIORITY_DEFAULT, \ |
| &hid_api); |
| |
| UTIL_LISTIFY(CONFIG_USB_HID_DEVICE_COUNT, DEFINE_HID_DESCR, _) |
| UTIL_LISTIFY(CONFIG_USB_HID_DEVICE_COUNT, DEFINE_HID_EP, _) |
| UTIL_LISTIFY(CONFIG_USB_HID_DEVICE_COUNT, DEFINE_HID_CFG_DATA, _) |
| UTIL_LISTIFY(CONFIG_USB_HID_DEVICE_COUNT, DEFINE_HID_DEV_DATA, _) |
| UTIL_LISTIFY(CONFIG_USB_HID_DEVICE_COUNT, DEFINE_HID_DEVICE, _) |