236 lines
6.9 KiB
C
236 lines
6.9 KiB
C
/**
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* @file USB_handle.c
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* @brief Handle all Standard Device Requests
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* @version 0.1
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* @date 2020-01-23
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*
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* @copyright Copyright (c) 2020
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*
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*/
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#include <stdint.h>
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#include "lwip/err.h"
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#include "lwip/sockets.h"
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#include "lwip/sys.h"
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#include <lwip/netdb.h>
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#include "USB_handle.h"
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#include "USBd_config.h"
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#include "usbip_server.h"
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#include "usb_defs.h"
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// handle functions
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static void handleGetDescriptor(struct usbip_stage2_header *header);
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////TODO: fill this
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int handleUSBControlRequest(struct usbip_stage2_header *header)
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{
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// Table 9-3. Standard Device Requests
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switch (header->u.cmd_submit.request.bmRequestType)
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{
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case 0x00:
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switch (header->u.cmd_submit.request.bRequest)
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{
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case USB_REQ_CLEAR_FEATURE:
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/* code */
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break;
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case USB_REQ_SET_FEATURE:
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/* code */
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break;
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case USB_REQ_SET_ADDRESS:
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/* code */
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break;
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case USB_REQ_SET_DESCRIPTOR:
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/* code */
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break;
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case USB_REQ_SET_CONFIGURATION:
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/* code */
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break;
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default:
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os_printf("USB unknown request, bmRequestType:%d,bRequest:%d\r\n",
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header->u.cmd_submit.request.bmRequestType, header->u.cmd_submit.request.bRequest);
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break;
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}
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break;
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case 0x01:
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switch (header->u.cmd_submit.request.bRequest)
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{
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case USB_REQ_CLEAR_FEATURE:
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/* code */
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break;
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case USB_REQ_SET_FEATURE:
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/* code */
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break;
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case USB_REQ_SET_INTERFACE:
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/* code */
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break;
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default:
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os_printf("USB unknown request, bmRequestType:%d,bRequest:%d\r\n",
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header->u.cmd_submit.request.bmRequestType, header->u.cmd_submit.request.bRequest);
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break;
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}
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break;
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case 0x02:
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switch (header->u.cmd_submit.request.bRequest)
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{
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case USB_REQ_CLEAR_FEATURE:
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/* code */
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break;
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case USB_REQ_SET_FEATURE:
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/* code */
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break;
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default:
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os_printf("USB unknown request, bmRequestType:%d,bRequest:%d\r\n",
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header->u.cmd_submit.request.bmRequestType, header->u.cmd_submit.request.bRequest);
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break;
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}
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break;
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case 0x80:
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switch (header->u.cmd_submit.request.bRequest)
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{
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case USB_REQ_GET_CONFIGURATION:
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handleGetDescriptor(header);
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break;
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case USB_REQ_GET_DESCRIPTOR:
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/* code */
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break;
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case USB_REQ_GET_STATUS:
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/* code */
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break;
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default:
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os_printf("USB unknown request, bmRequestType:%d,bRequest:%d\r\n",
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header->u.cmd_submit.request.bmRequestType, header->u.cmd_submit.request.bRequest);
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break;
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}
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break;
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case 0x81:
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switch (header->u.cmd_submit.request.bRequest)
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{
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case USB_REQ_GET_INTERFACE:
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/* code */
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break;
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case USB_REQ_SET_SYNCH_FRAME:
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/* code */
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break;
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case USB_REQ_GET_STATUS:
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/* code */
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break;
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default:
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os_printf("USB unknown request, bmRequestType:%d,bRequest:%d\r\n",
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header->u.cmd_submit.request.bmRequestType, header->u.cmd_submit.request.bRequest);
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break;
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}
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break;
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case 0x82:
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switch (header->u.cmd_submit.request.bRequest)
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{
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case USB_REQ_GET_STATUS:
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/* code */
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break;
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default:
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os_printf("USB unknown request, bmRequestType:%d,bRequest:%d\r\n",
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header->u.cmd_submit.request.bmRequestType, header->u.cmd_submit.request.bRequest);
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break;
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}
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break;
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/////////
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default:
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os_printf("USB unknown request, bmRequestType:%d,bRequest:%d\r\n",
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header->u.cmd_submit.request.bmRequestType, header->u.cmd_submit.request.bRequest);
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break;
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}
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}
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////TODO: fill this
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static void handleGetDescriptor(struct usbip_stage2_header *header)
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{
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// 9.4.3 Get Descriptor
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switch (header->u.cmd_submit.request.wValue.u8hi)
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{
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case USB_DT_DEVICE: // get device descriptor
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os_printf("* GET 0x01 DEVICE DESCRIPTOR\r\n");
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send_stage2_submit_data(header, 0, kUSBd0DeviceDescriptor, sizeof(kUSBd0DeviceDescriptor));
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break;
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case USB_DT_CONFIGURATION: // get configuration descriptor
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os_printf("* GET 0x02 CONFIGURATION DESCRIPTOR\r\n");
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////TODO: ?
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if (header->u.cmd_submit.data_length == USB_DT_CONFIGURATION_SIZE)
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{
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os_printf("Sending only first part of CONFIG\r\n");
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send_stage2_submit(header, 0, header->u.cmd_submit.data_length);
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send(kSock, kUSBd0ConfigDescriptor, sizeof(kUSBd0ConfigDescriptor), 0);
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}
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else
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{
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os_printf("Sending ALL CONFIG\r\n");
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send_stage2_submit(header, 0, header->u.cmd_submit.data_length);
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send(kSock, kUSBd0ConfigDescriptor, sizeof(kUSBd0ConfigDescriptor), 0);
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send(kSock, kUSBd0InterfaceDescriptor, sizeof(kUSBd0InterfaceDescriptor), 0);
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}
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break;
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case USB_DT_STRING:
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os_printf("* GET 0x03 STRING DESCRIPTOR\r\n");
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if (header->u.cmd_submit.request.wValue.u8lo == 0) {
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os_printf("** REQUESTED list of supported languages\r\n");
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send_stage2_submit_data(header, 0, kLangDescriptor, sizeof(kLangDescriptor));
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}
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else{
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os_printf("***Unsupported operation***\r\n");
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}
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break;
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case USB_DT_INTERFACE:
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os_printf("* GET 0x04 INTERFACE DESCRIPTOR (UNIMPLEMENTED)\r\n");
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////TODO:UNIMPLEMENTED
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send_stage2_submit(header, 0, 0);
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break;
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case USB_DT_ENDPOINT:
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os_printf("* GET 0x05 ENDPOINT DESCRIPTOR (UNIMPLEMENTED)\r\n");
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////TODO:UNIMPLEMENTED
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send_stage2_submit(header, 0, 0);
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break;
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case USB_DT_DEVICE_QUALIFIER:
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os_printf("* GET 0x06 DEVICE QUALIFIER DESCRIPTOR");
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usb_device_qualifier_descriptor desc;
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memset(&desc, 0, sizeof(usb_device_qualifier_descriptor));
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send_stage2_submit_data(header, 0, &desc, sizeof(usb_device_qualifier_descriptor));
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break;
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case USB_DT_OTHER_SPEED_CONFIGURATION:
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os_printf("GET 0x07 [UNIMPLEMENTED] USB_DT_OTHER_SPEED_CONFIGURATION");
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////TODO:UNIMPLEMENTED
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send_stage2_submit(header, 0, 0);
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break;
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case USB_DT_INTERFACE_POWER:
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os_printf("GET 0x08 [UNIMPLEMENTED] USB_DT_INTERFACE_POWER");
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////TODO:UNIMPLEMENTED
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send_stage2_submit(header, 0, 0);
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break;
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default:
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os_printf("USB unknown Get Descriptor requested:%d", header->u.cmd_submit.request.wValue.u8lo);
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break;
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}
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}
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