2  * SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
4  * SPDX-License-Identifier: Apache-2.0
18 // ---------------------------------------- Configuration Descriptor Parsing ----------------------…
26     if (*offset + cur_desc->bLength >= wTotalLength) {  in usb_parse_next_descriptor()
30 …tandard_desc_t *ret_desc = (const usb_standard_desc_t *)(((uint32_t)cur_desc) + cur_desc->bLength);  in usb_parse_next_descriptor()
31     *offset += cur_desc->bLength;  in usb_parse_next_descriptor()
42         if (ret_desc->bDescriptorType == bDescriptorType) {  in usb_parse_next_descriptor_of_type()
61         return -1;  //bInterfaceNumber not found  in usb_parse_interface_number_of_alternate()
65 …descriptor_of_type((const usb_standard_desc_t *)first_intf_desc, config_desc->wTotalLength, USB_B_…  in usb_parse_interface_number_of_alternate()
67         if (next_intf_desc->bInterfaceNumber != bInterfaceNumber) {  in usb_parse_interface_number_of_alternate()
71 …_descriptor_of_type((const usb_standard_desc_t *)next_intf_desc, config_desc->wTotalLength, USB_B_…  in usb_parse_interface_number_of_alternate()
79     if (bInterfaceNumber >= config_desc->bNumInterfaces) {  in usb_parse_interface_descriptor()
85 …ext_descriptor_of_type((const usb_standard_desc_t *)config_desc, config_desc->wTotalLength, USB_B_…  in usb_parse_interface_descriptor()
87         if (next_intf_desc->bInterfaceNumber == bInterfaceNumber) {  in usb_parse_interface_descriptor()
90 …_descriptor_of_type((const usb_standard_desc_t *)next_intf_desc, config_desc->wTotalLength, USB_B_…  in usb_parse_interface_descriptor()
98         if (next_intf_desc->bInterfaceNumber == bInterfaceNumber + 1) {  in usb_parse_interface_descriptor()
103         if (next_intf_desc->bAlternateSetting == bAlternateSetting) {  in usb_parse_interface_descriptor()
108 …_descriptor_of_type((const usb_standard_desc_t *)next_intf_desc, config_desc->wTotalLength, USB_B_…  in usb_parse_interface_descriptor()
119     if (index >= intf_desc->bNumEndpoints) {  in usb_parse_endpoint_descriptor_by_index()
155     for (int index = 0; index < intf_desc->bNumEndpoints; index++) {  in usb_parse_endpoint_descriptor_by_address()
157 …ep_desc = usb_parse_endpoint_descriptor_by_index(intf_desc, index, config_desc->wTotalLength, &off…  in usb_parse_endpoint_descriptor_by_address()
161         if (ep_desc->bEndpointAddress == bEndpointAddress) {  in usb_parse_endpoint_descriptor_by_address()
172 // ----------------------------------------------- Descriptor Printing ----------------------------…
177     int type = ep_desc->bmAttributes & USB_BM_ATTRIBUTES_XFERTYPE_MASK;  in print_ep_desc()
197     printf("\t\t*** Endpoint descriptor ***\n");  in print_ep_desc()
198     printf("\t\tbLength %d\n", ep_desc->bLength);  in print_ep_desc()
199     printf("\t\tbDescriptorType %d\n", ep_desc->bDescriptorType);  in print_ep_desc()
200     printf("\t\tbEndpointAddress 0x%x\tEP %d %s\n", ep_desc->bEndpointAddress,  in print_ep_desc()
203     printf("\t\tbmAttributes 0x%x\t%s\n", ep_desc->bmAttributes, ep_type_str);  in print_ep_desc()
204     printf("\t\twMaxPacketSize %d\n", ep_desc->wMaxPacketSize);  in print_ep_desc()
205     printf("\t\tbInterval %d\n", ep_desc->bInterval);  in print_ep_desc()
210     printf("\t*** Interface descriptor ***\n");  in usbh_print_intf_desc()
211     printf("\tbLength %d\n", intf_desc->bLength);  in usbh_print_intf_desc()
212     printf("\tbDescriptorType %d\n", intf_desc->bDescriptorType);  in usbh_print_intf_desc()
213     printf("\tbInterfaceNumber %d\n", intf_desc->bInterfaceNumber);  in usbh_print_intf_desc()
214     printf("\tbAlternateSetting %d\n", intf_desc->bAlternateSetting);  in usbh_print_intf_desc()
215     printf("\tbNumEndpoints %d\n", intf_desc->bNumEndpoints);  in usbh_print_intf_desc()
216     printf("\tbInterfaceClass 0x%x\n", intf_desc->bInterfaceProtocol);  in usbh_print_intf_desc()
217     printf("\tiInterface %d\n", intf_desc->iInterface);  in usbh_print_intf_desc()
222     printf("*** Configuration descriptor ***\n");  in usbh_print_cfg_desc()
223     printf("bLength %d\n", cfg_desc->bLength);  in usbh_print_cfg_desc()
224     printf("bDescriptorType %d\n", cfg_desc->bDescriptorType);  in usbh_print_cfg_desc()
225     printf("wTotalLength %d\n", cfg_desc->wTotalLength);  in usbh_print_cfg_desc()
226     printf("bNumInterfaces %d\n", cfg_desc->bNumInterfaces);  in usbh_print_cfg_desc()
227     printf("bConfigurationValue %d\n", cfg_desc->bConfigurationValue);  in usbh_print_cfg_desc()
228     printf("iConfiguration %d\n", cfg_desc->iConfiguration);  in usbh_print_cfg_desc()
229     printf("bmAttributes 0x%x\n", cfg_desc->bmAttributes);  in usbh_print_cfg_desc()
230     printf("bMaxPower %dmA\n", cfg_desc->bMaxPower * 2);  in usbh_print_cfg_desc()
239     printf("*** Device descriptor ***\n");  in usb_print_device_descriptor()
240     printf("bLength %d\n", devc_desc->bLength);  in usb_print_device_descriptor()
241     printf("bDescriptorType %d\n", devc_desc->bDescriptorType);  in usb_print_device_descriptor()
242     printf("bcdUSB %d.%d0\n", ((devc_desc->bcdUSB >> 8) & 0xF), ((devc_desc->bcdUSB >> 4) & 0xF));  in usb_print_device_descriptor()
243     printf("bDeviceClass 0x%x\n", devc_desc->bDeviceClass);  in usb_print_device_descriptor()
244     printf("bDeviceSubClass 0x%x\n", devc_desc->bDeviceSubClass);  in usb_print_device_descriptor()
245     printf("bDeviceProtocol 0x%x\n", devc_desc->bDeviceProtocol);  in usb_print_device_descriptor()
246     printf("bMaxPacketSize0 %d\n", devc_desc->bMaxPacketSize0);  in usb_print_device_descriptor()
247     printf("idVendor 0x%x\n", devc_desc->idVendor);  in usb_print_device_descriptor()
248     printf("idProduct 0x%x\n", devc_desc->idProduct);  in usb_print_device_descriptor()
249 …printf("bcdDevice %d.%d0\n", ((devc_desc->bcdDevice >> 8) & 0xF), ((devc_desc->bcdDevice >> 4) & 0…  in usb_print_device_descriptor()
250     printf("iManufacturer %d\n", devc_desc->iManufacturer);  in usb_print_device_descriptor()
251     printf("iProduct %d\n", devc_desc->iProduct);  in usb_print_device_descriptor()
252     printf("iSerialNumber %d\n", devc_desc->iSerialNumber);  in usb_print_device_descriptor()
253     printf("bNumConfigurations %d\n", devc_desc->bNumConfigurations);  in usb_print_device_descriptor()
263     uint16_t wTotalLength = cfg_desc->wTotalLength;  in usb_print_config_descriptor()
267         switch (next_desc->bDescriptorType) {  in usb_print_config_descriptor()
295     for (int i = 0; i < str_desc->bLength/2; i++) {  in usb_print_string_descriptor()
297         USB String descriptors of UTF-16.  in usb_print_string_descriptor()
298 …Right now We just skip any character larger than 0xFF to stay in BMP Basic Latin and Latin-1 Suppl…  in usb_print_string_descriptor()
300         if (str_desc->wData[i] > 0xFF) {  in usb_print_string_descriptor()
303         printf("%c", (char)str_desc->wData[i]);  in usb_print_string_descriptor()
305     printf("\n");  in usb_print_string_descriptor()