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dddd4e4c3c9523c67110ad2edbb73c3333780186
CherryUSB/core/usbh_core.c

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2022-02-08 11:44:46 +08:00
/**
* @file usbh_core.c
*
* Copyright (c) 2022 sakumisu
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
*/
#include "usbh_core.h"
#include "usbh_cdc_acm.h"
#include "usbh_hid.h"
#include "usbh_msc.h"
static const char *speed_table[] = { "error speed", "low speed", "full speed", "high speed" };
static const struct usbh_class_driver *usbh_find_class_driver(uint8_t class, uint8_t subcalss, uint8_t protocol, uint16_t vid, uint16_t pid);
void usbh_hport_activate(struct usbh_hubport *hport);
void usbh_hport_deactivate(struct usbh_hubport *hport);
/* general descriptor field offsets */
#define DESC_bLength 0 /** Length offset */
#define DESC_bDescriptorType 1 /** Descriptor type offset */
#define USB_DEV_ADDR_MAX 0x7f
#define USB_DEV_ADDR_MARK_OFFSET 5
#define USB_DEV_ADDR_MARK_MASK 0x1f
struct usbh_devaddr_priv {
/**
* alloctab[0]:addr from 0~31
* alloctab[1]:addr from 32~63
* alloctab[2]:addr from 64~95
* alloctab[3]:addr from 96~127
*
*/
uint8_t next; /* Next device address */
uint32_t alloctab[4]; /* Bit allocation table */
};
struct usbh_roothubport_priv {
struct usbh_hubport hport; /* Common hub port definitions */
struct usbh_devaddr_priv devgen; /* Address generation data */
};
struct usbh_core_priv {
struct usbh_roothubport_priv rhport[CONFIG_USBHOST_RHPORTS];
volatile struct usbh_hubport *active_hport; /* Used to pass external hub port events */
volatile bool pscwait; /* TRUE: Thread is waiting for port status change event */
usb_osal_sem_t pscsem; /* Semaphore to wait for a port event */
} usbh_core_cfg;
static inline struct usbh_roothubport_priv *usbh_find_roothub_port(struct usbh_hubport *hport)
{
while (hport->parent != NULL) {
hport = hport->parent->parent;
}
return (struct usbh_roothubport_priv *)hport;
}
static int usbh_allocate_devaddr(struct usbh_devaddr_priv *devgen)
{
uint8_t startaddr = devgen->next;
uint8_t devaddr;
int index;
int bitno;
/* Loop until we find a valid device address */
for (;;) {
/* Try the next device address */
devaddr = devgen->next;
if (devgen->next >= 0x7f) {
devgen->next = 1;
} else {
devgen->next++;
}
/* Is this address already allocated? */
index = devaddr >> 5;
bitno = devaddr & 0x1f;
if ((devgen->alloctab[index] & (1 << bitno)) == 0) {
/* No... allocate it now */
devgen->alloctab[index] |= (1 << bitno);
return (int)devaddr;
}
/* This address has already been allocated. The following logic will
* prevent (unexpected) infinite loops.
*/
if (startaddr == devaddr) {
/* We are back where we started... the are no free device address */
return -ENOMEM;
}
}
}
static int usbh_free_devaddr(struct usbh_devaddr_priv *devgen, uint8_t devaddr)
{
int index;
int bitno;
if ((devaddr > 0) && (devaddr < USB_DEV_ADDR_MAX)) {
index = devaddr >> USB_DEV_ADDR_MARK_OFFSET;
bitno = devaddr & USB_DEV_ADDR_MARK_MASK;
/* Free the address by clearing the associated bit in the alloctab[]; */
if ((devgen->alloctab[index] |= (1 << bitno)) != 0) {
devgen->alloctab[index] &= ~(1 << bitno);
} else {
return -1;
}
/* Reset the next pointer if the one just released has a lower value */
if (devaddr < devgen->next) {
devgen->next = devaddr;
}
}
return 0;
}
static int usbh_devaddr_create(struct usbh_hubport *hport)
{
struct usbh_roothubport_priv *rhport;
rhport = usbh_find_roothub_port(hport);
return usbh_allocate_devaddr(&rhport->devgen);
}
static int usbh_devaddr_destroy(struct usbh_hubport *hport, uint8_t dev_addr)
{
struct usbh_roothubport_priv *rhport;
rhport = usbh_find_roothub_port(hport);
return usbh_free_devaddr(&rhport->devgen, dev_addr);
}
static int parse_device_descriptor(struct usbh_hubport *hport, struct usb_device_descriptor *desc, uint16_t length)
{
if (desc->bLength != USB_SIZEOF_DEVICE_DESC) {
USB_LOG_ERR("invalid device bLength 0x%02x\r\n", desc->bLength);
return -EINVAL;
} else if (desc->bDescriptorType != USB_DESCRIPTOR_TYPE_DEVICE) {
USB_LOG_ERR("unexpected descriptor 0x%02x\r\n", desc->bDescriptorType);
return -EINVAL;
} else {
if (length <= 8) {
return 0;
}
#if 0
USB_LOG_DBG("Device Descriptor:\r\n");
USB_LOG_DBG("bLength: 0x%02x \r\n", desc->bLength);
USB_LOG_DBG("bDescriptorType: 0x%02x \r\n", desc->bDescriptorType);
USB_LOG_DBG("bcdUSB: 0x%04x \r\n", desc->bcdUSB);
USB_LOG_DBG("bDeviceClass: 0x%02x \r\n", desc->bDeviceClass);
USB_LOG_DBG("bDeviceSubClass: 0x%02x \r\n", desc->bDeviceSubClass);
USB_LOG_DBG("bDeviceProtocol: 0x%02x \r\n", desc->bDeviceProtocol);
USB_LOG_DBG("bMaxPacketSize0: 0x%02x \r\n", desc->bMaxPacketSize0);
USB_LOG_DBG("idVendor: 0x%04x \r\n", desc->idVendor);
USB_LOG_DBG("idProduct: 0x%04x \r\n", desc->idProduct);
USB_LOG_DBG("bcdDevice: 0x%04x \r\n", desc->bcdDevice);
USB_LOG_DBG("iManufacturer: 0x%02x \r\n", desc->iManufacturer);
USB_LOG_DBG("iProduct: 0x%02x \r\n", desc->iProduct);
USB_LOG_DBG("iSerialNumber: 0x%02x \r\n", desc->iSerialNumber);
USB_LOG_DBG("bNumConfigurations: 0x%02x\r\n", desc->bNumConfigurations);
#endif
hport->device_desc.bLength = desc->bLength;
hport->device_desc.bDescriptorType = desc->bDescriptorType;
hport->device_desc.bcdUSB = desc->bcdUSB;
hport->device_desc.bDeviceClass = desc->bDeviceClass;
hport->device_desc.bDeviceSubClass = desc->bDeviceSubClass;
hport->device_desc.bDeviceProtocol = desc->bDeviceProtocol;
hport->device_desc.bMaxPacketSize0 = desc->bMaxPacketSize0;
hport->device_desc.idVendor = desc->idVendor;
hport->device_desc.idProduct = desc->idProduct;
hport->device_desc.bcdDevice = desc->bcdDevice;
hport->device_desc.iManufacturer = desc->iManufacturer;
hport->device_desc.iProduct = desc->iProduct;
hport->device_desc.iSerialNumber = desc->iSerialNumber;
hport->device_desc.bNumConfigurations = desc->bNumConfigurations;
}
return 0;
}
static int parse_config_descriptor(struct usbh_hubport *hport, struct usb_configuration_descriptor *desc, uint16_t length)
{
uint32_t total_len = 0;
uint8_t ep_num = 0;
uint8_t intf_num = 0;
uint8_t *p = (uint8_t *)desc;
if (desc->bLength != USB_SIZEOF_CONFIG_DESC) {
USB_LOG_ERR("invalid device bLength 0x%02x\r\n", desc->bLength);
return -EINVAL;
} else if (desc->bDescriptorType != USB_DESCRIPTOR_TYPE_CONFIGURATION) {
USB_LOG_ERR("unexpected descriptor 0x%02x\r\n", desc->bDescriptorType);
return -EINVAL;
} else {
if (length <= USB_SIZEOF_CONFIG_DESC) {
return 0;
}
#if 0
USB_LOG_DBG("Config Descriptor:\r\n");
USB_LOG_DBG("bLength: 0x%02x \r\n", desc->bLength);
USB_LOG_DBG("bDescriptorType: 0x%02x \r\n", desc->bDescriptorType);
USB_LOG_DBG("wTotalLength: 0x%04x \r\n", desc->wTotalLength);
USB_LOG_DBG("bNumInterfaces: 0x%02x \r\n", desc->bNumInterfaces);
USB_LOG_DBG("bConfigurationValue: 0x%02x \r\n", desc->bConfigurationValue);
USB_LOG_DBG("iConfiguration: 0x%02x \r\n", desc->iConfiguration);
USB_LOG_DBG("bmAttributes: 0x%02x \r\n", desc->bmAttributes);
USB_LOG_DBG("bMaxPower: 0x%02x \r\n", desc->bMaxPower);
#endif
hport->config.config_desc.bLength = desc->bLength;
hport->config.config_desc.bDescriptorType = desc->bDescriptorType;
hport->config.config_desc.wTotalLength = desc->wTotalLength;
hport->config.config_desc.bNumInterfaces = desc->bNumInterfaces;
hport->config.config_desc.bConfigurationValue = desc->bConfigurationValue;
hport->config.config_desc.iConfiguration = desc->iConfiguration;
hport->config.config_desc.iConfiguration = desc->iConfiguration;
hport->config.config_desc.bmAttributes = desc->bmAttributes;
hport->config.config_desc.bMaxPower = desc->bMaxPower;
if (length > USB_SIZEOF_CONFIG_DESC) {
while (p[DESC_bLength] && (total_len < desc->wTotalLength) && (intf_num < desc->bNumInterfaces)) {
p += p[DESC_bLength];
total_len += p[DESC_bLength];
if (p[DESC_bDescriptorType] == USB_DESCRIPTOR_TYPE_INTERFACE) {
struct usb_interface_descriptor *intf_desc = (struct usb_interface_descriptor *)p;
#if 0
USB_LOG_DBG("Interface Descriptor:\r\n");
USB_LOG_DBG("bLength: 0x%02x \r\n", intf_desc->bLength);
USB_LOG_DBG("bDescriptorType: 0x%02x \r\n", intf_desc->bDescriptorType);
USB_LOG_DBG("bInterfaceNumber: 0x%02x \r\n", intf_desc->bInterfaceNumber);
USB_LOG_DBG("bAlternateSetting: 0x%02x \r\n", intf_desc->bAlternateSetting);
USB_LOG_DBG("bNumEndpoints: 0x%02x \r\n", intf_desc->bNumEndpoints);
USB_LOG_DBG("bInterfaceClass: 0x%02x \r\n", intf_desc->bInterfaceClass);
USB_LOG_DBG("bInterfaceSubClass: 0x%02x \r\n", intf_desc->bInterfaceSubClass);
USB_LOG_DBG("bInterfaceProtocol: 0x%02x \r\n", intf_desc->bInterfaceProtocol);
USB_LOG_DBG("iInterface: 0x%02x \r\n", intf_desc->iInterface);
#endif
memset(&hport->config.intf[intf_num], 0, sizeof(struct usbh_interface));
hport->config.intf[intf_num].intf_desc.bLength = intf_desc->bLength;
hport->config.intf[intf_num].intf_desc.bDescriptorType = intf_desc->bDescriptorType;
hport->config.intf[intf_num].intf_desc.bInterfaceNumber = intf_desc->bInterfaceNumber;
hport->config.intf[intf_num].intf_desc.bAlternateSetting = intf_desc->bAlternateSetting;
hport->config.intf[intf_num].intf_desc.bNumEndpoints = intf_desc->bNumEndpoints;
hport->config.intf[intf_num].intf_desc.bInterfaceClass = intf_desc->bInterfaceClass;
hport->config.intf[intf_num].intf_desc.bInterfaceSubClass = intf_desc->bInterfaceSubClass;
hport->config.intf[intf_num].intf_desc.bInterfaceProtocol = intf_desc->bInterfaceProtocol;
hport->config.intf[intf_num].intf_desc.iInterface = intf_desc->iInterface;
ep_num = 0;
while (p[DESC_bLength] && (total_len < desc->wTotalLength) && (ep_num < intf_desc->bNumEndpoints)) {
p += p[DESC_bLength];
total_len += p[DESC_bLength];
if (p[DESC_bDescriptorType] == USB_DESCRIPTOR_TYPE_ENDPOINT) {
struct usb_endpoint_descriptor *ep_desc = (struct usb_endpoint_descriptor *)p;
#if 0
USB_LOG_DBG("Endpoint Descriptor:\r\n");
USB_LOG_DBG("bLength: 0x%02x \r\n", ep_desc->bLength);
USB_LOG_DBG("bDescriptorType: 0x%02x \r\n", ep_desc->bDescriptorType);
USB_LOG_DBG("bEndpointAddress: 0x%02x \r\n", ep_desc->bEndpointAddress);
USB_LOG_DBG("bmAttributes: 0x%02x \r\n", ep_desc->bmAttributes);
USB_LOG_DBG("wMaxPacketSize: 0x%04x \r\n", ep_desc->wMaxPacketSize);
USB_LOG_DBG("bInterval: 0x%02x \r\n", ep_desc->bInterval);
#endif
memset(&hport->config.intf[intf_num].ep[ep_num], 0, sizeof(struct usbh_endpoint));
hport->config.intf[intf_num].ep[ep_num].ep_desc.bLength = ep_desc->bLength;
hport->config.intf[intf_num].ep[ep_num].ep_desc.bDescriptorType = ep_desc->bDescriptorType;
hport->config.intf[intf_num].ep[ep_num].ep_desc.bEndpointAddress = ep_desc->bEndpointAddress;
hport->config.intf[intf_num].ep[ep_num].ep_desc.bmAttributes = ep_desc->bmAttributes;
hport->config.intf[intf_num].ep[ep_num].ep_desc.wMaxPacketSize = ep_desc->wMaxPacketSize;
hport->config.intf[intf_num].ep[ep_num].ep_desc.bInterval = ep_desc->bInterval;
ep_num++;
}
}
intf_num++;
}
}
}
}
return 0;
}
#if 0
static int parse_string_descriptor(struct usbh_hubport *hport, struct usb_string_descriptor *desc, uint8_t str_idx, uint16_t length)
{
uint8_t string[64 + 1] = { 0 };
uint8_t *p = (uint8_t *)desc;
if (desc->bDescriptorType != USB_DESCRIPTOR_TYPE_STRING) {
USB_LOG_ERR("unexpected descriptor 0x%02x\r\n", desc->bDescriptorType);
return -2;
} else {
p += 2;
for (uint32_t i = 0; i < (desc->bLength - 2) / 2; i++) {
string[i] = *p;
p += 2;
}
USB_LOG_DBG("string:%s\r\n", string);
}
return 0;
}
#endif
static void usbh_print_hubport_info(struct usbh_hubport *hport)
{
printf("Device Descriptor:\r\n");
printf("bLength: 0x%02x \r\n", hport->device_desc.bLength);
printf("bDescriptorType: 0x%02x \r\n", hport->device_desc.bDescriptorType);
printf("bcdUSB: 0x%04x \r\n", hport->device_desc.bcdUSB);
printf("bDeviceClass: 0x%02x \r\n", hport->device_desc.bDeviceClass);
printf("bDeviceSubClass: 0x%02x \r\n", hport->device_desc.bDeviceSubClass);
printf("bDeviceProtocol: 0x%02x \r\n", hport->device_desc.bDeviceProtocol);
printf("bMaxPacketSize0: 0x%02x \r\n", hport->device_desc.bMaxPacketSize0);
printf("idVendor: 0x%04x \r\n", hport->device_desc.idVendor);
printf("idProduct: 0x%04x \r\n", hport->device_desc.idProduct);
printf("bcdDevice: 0x%04x \r\n", hport->device_desc.bcdDevice);
printf("iManufacturer: 0x%02x \r\n", hport->device_desc.iManufacturer);
printf("iProduct: 0x%02x \r\n", hport->device_desc.iProduct);
printf("iSerialNumber: 0x%02x \r\n", hport->device_desc.iSerialNumber);
printf("bNumConfigurations: 0x%02x\r\n", hport->device_desc.bNumConfigurations);
printf("Config Descriptor:\r\n");
printf("bLength: 0x%02x \r\n", hport->config.config_desc.bLength);
printf("bDescriptorType: 0x%02x \r\n", hport->config.config_desc.bDescriptorType);
printf("wTotalLength: 0x%04x \r\n", hport->config.config_desc.wTotalLength);
printf("bNumInterfaces: 0x%02x \r\n", hport->config.config_desc.bNumInterfaces);
printf("bConfigurationValue: 0x%02x \r\n", hport->config.config_desc.bConfigurationValue);
printf("iConfiguration: 0x%02x \r\n", hport->config.config_desc.iConfiguration);
printf("bmAttributes: 0x%02x \r\n", hport->config.config_desc.bmAttributes);
printf("bMaxPower: 0x%02x \r\n", hport->config.config_desc.bMaxPower);
for (uint8_t i = 0; i < hport->config.config_desc.bNumInterfaces; i++) {
printf("Interface Descriptor:\r\n");
printf("bLength: 0x%02x \r\n", hport->config.intf[i].intf_desc.bLength);
printf("bDescriptorType: 0x%02x \r\n", hport->config.intf[i].intf_desc.bDescriptorType);
printf("bInterfaceNumber: 0x%02x \r\n", hport->config.intf[i].intf_desc.bInterfaceNumber);
printf("bAlternateSetting: 0x%02x \r\n", hport->config.intf[i].intf_desc.bAlternateSetting);
printf("bNumEndpoints: 0x%02x \r\n", hport->config.intf[i].intf_desc.bNumEndpoints);
printf("bInterfaceClass: 0x%02x \r\n", hport->config.intf[i].intf_desc.bInterfaceClass);
printf("bInterfaceSubClass: 0x%02x \r\n", hport->config.intf[i].intf_desc.bInterfaceSubClass);
printf("bInterfaceProtocol: 0x%02x \r\n", hport->config.intf[i].intf_desc.bInterfaceProtocol);
printf("iInterface: 0x%02x \r\n", hport->config.intf[i].intf_desc.iInterface);
for (uint8_t j = 0; j < hport->config.intf[i].intf_desc.bNumEndpoints; j++) {
printf("Endpoint Descriptor:\r\n");
printf("bLength: 0x%02x \r\n", hport->config.intf[i].ep[j].ep_desc.bLength);
printf("bDescriptorType: 0x%02x \r\n", hport->config.intf[i].ep[j].ep_desc.bDescriptorType);
printf("bEndpointAddress: 0x%02x \r\n", hport->config.intf[i].ep[j].ep_desc.bEndpointAddress);
printf("bmAttributes: 0x%02x \r\n", hport->config.intf[i].ep[j].ep_desc.bmAttributes);
printf("wMaxPacketSize: 0x%04x \r\n", hport->config.intf[i].ep[j].ep_desc.wMaxPacketSize);
printf("bInterval: 0x%02x \r\n", hport->config.intf[i].ep[j].ep_desc.bInterval);
}
}
}
static int usbh_enumerate(struct usbh_hubport *hport)
{
struct usb_interface_descriptor *intf_desc;
struct usb_setup_packet *setup;
uint8_t *ep0_buffer;
uint8_t descsize;
int dev_addr;
uint8_t ep_mps;
int ret;
#define USB_REQUEST_BUFFER_SIZE 256
/* Allocate buffer for setup and data buffer */
setup = usb_iomalloc(sizeof(struct usb_setup_packet));
if (setup == NULL) {
USB_LOG_ERR("Fail to alloc setup\r\n");
return -ENOMEM;
}
ep0_buffer = usb_iomalloc(USB_REQUEST_BUFFER_SIZE);
if (ep0_buffer == NULL) {
USB_LOG_ERR("Fail to alloc ep0_buffer\r\n");
return -ENOMEM;
}
/* Pick an appropriate packet size for this device
*
* USB 2.0, Paragraph 5.5.3 "Control Transfer Packet Size Constraints"
*
* "An endpoint for control transfers specifies the maximum data
* payload size that the endpoint can accept from or transmit to
* the bus. The allowable maximum control transfer data payload
* sizes for full-speed devices is 8, 16, 32, or 64 bytes; for
* high-speed devices, it is 64 bytes and for low-speed devices,
* it is 8 bytes. This maximum applies to the data payloads of the
* Data packets following a Setup..."
*/
if (hport->speed == USB_SPEED_HIGH) {
/* For high-speed, we must use 64 bytes */
ep_mps = 64;
descsize = USB_SIZEOF_DEVICE_DESC;
} else {
/* Eight will work for both low- and full-speed */
ep_mps = 8;
descsize = 8;
}
/* Configure EP0 with the initial maximum packet size */
usbh_ep0_reconfigure(hport->ep0, 0, ep_mps, hport->speed);
/* Read the first 8 bytes of the device descriptor */
setup->bmRequestType = USB_REQUEST_DIR_IN | USB_REQUEST_STANDARD | USB_REQUEST_RECIPIENT_DEVICE;
setup->bRequest = USB_REQUEST_GET_DESCRIPTOR;
setup->wValue = (uint16_t)((USB_DESCRIPTOR_TYPE_DEVICE << 8) | 0);
setup->wIndex = 0;
setup->wLength = descsize;
ret = usbh_control_transfer(hport->ep0, setup, ep0_buffer);
if (ret < 0) {
USB_LOG_ERR("Failed to get device descriptor,errorcode:%d\r\n", ret);
goto errout;
}
parse_device_descriptor(hport, (struct usb_device_descriptor *)ep0_buffer, descsize);
/* Extract the correct max packetsize from the device descriptor */
ep_mps = ((struct usb_device_descriptor *)ep0_buffer)->bMaxPacketSize0;
/* And reconfigure EP0 with the correct maximum packet size */
usbh_ep0_reconfigure(hport->ep0, 0, ep_mps, hport->speed);
/* Assign a function address to the device connected to this port */
dev_addr = usbh_devaddr_create(hport);
if (dev_addr < 0) {
USB_LOG_ERR("Failed to allocate devaddr,errorcode:%d\r\n", ret);
goto errout;
}
/* Set the USB device address */
setup->bmRequestType = USB_REQUEST_DIR_OUT | USB_REQUEST_STANDARD | USB_REQUEST_RECIPIENT_DEVICE;
setup->bRequest = USB_REQUEST_SET_ADDRESS;
setup->wValue = dev_addr;
setup->wIndex = 0;
setup->wLength = 0;
ret = usbh_control_transfer(hport->ep0, setup, NULL);
if (ret < 0) {
USB_LOG_ERR("Failed to set devaddr,errorcode:%d\r\n", ret);
goto errout;
}
/* wait device address set completely */
usb_osal_msleep(2);
/* Assign the function address to the port */
hport->dev_addr = dev_addr;
/* And reconfigure EP0 with the correct address */
usbh_ep0_reconfigure(hport->ep0, dev_addr, ep_mps, hport->speed);
/* Read the full device descriptor if hport is not in high speed*/
if (descsize < USB_SIZEOF_DEVICE_DESC) {
setup->bmRequestType = USB_REQUEST_DIR_IN | USB_REQUEST_STANDARD | USB_REQUEST_RECIPIENT_DEVICE;
setup->bRequest = USB_REQUEST_GET_DESCRIPTOR;
setup->wValue = (uint16_t)((USB_DESCRIPTOR_TYPE_DEVICE << 8) | 0);
setup->wIndex = 0;
setup->wLength = USB_SIZEOF_DEVICE_DESC;
ret = usbh_control_transfer(hport->ep0, setup, ep0_buffer);
if (ret < 0) {
USB_LOG_ERR("Failed to get full device descriptor,errorcode:%d\r\n", ret);
goto errout;
}
parse_device_descriptor(hport, (struct usb_device_descriptor *)ep0_buffer, USB_SIZEOF_DEVICE_DESC);
}
/* Read the first 9 bytes of the config descriptor */
setup->bmRequestType = USB_REQUEST_DIR_IN | USB_REQUEST_STANDARD | USB_REQUEST_RECIPIENT_DEVICE;
setup->bRequest = USB_REQUEST_GET_DESCRIPTOR;
setup->wValue = (uint16_t)((USB_DESCRIPTOR_TYPE_CONFIGURATION << 8) | 0);
setup->wIndex = 0;
setup->wLength = USB_SIZEOF_CONFIG_DESC;
ret = usbh_control_transfer(hport->ep0, setup, ep0_buffer);
if (ret < 0) {
USB_LOG_ERR("Failed to get config descriptor,errorcode:%d\r\n", ret);
goto errout;
}
parse_config_descriptor(hport, (struct usb_configuration_descriptor *)ep0_buffer, USB_SIZEOF_CONFIG_DESC);
/* Read the full size of the configuration data */
uint16_t wTotalLength = ((struct usb_configuration_descriptor *)ep0_buffer)->wTotalLength;
setup->bmRequestType = USB_REQUEST_DIR_IN | USB_REQUEST_STANDARD | USB_REQUEST_RECIPIENT_DEVICE;
setup->bRequest = USB_REQUEST_GET_DESCRIPTOR;
setup->wValue = (uint16_t)((USB_DESCRIPTOR_TYPE_CONFIGURATION << 8) | 0);
setup->wIndex = 0;
setup->wLength = wTotalLength;
ret = usbh_control_transfer(hport->ep0, setup, ep0_buffer);
if (ret < 0) {
USB_LOG_ERR("Failed to get full config descriptor,errorcode:%d\r\n", ret);
goto errout;
}
parse_config_descriptor(hport, (struct usb_configuration_descriptor *)ep0_buffer, wTotalLength);
/* Select device configuration 1 */
setup->bmRequestType = USB_REQUEST_DIR_OUT | USB_REQUEST_STANDARD | USB_REQUEST_RECIPIENT_DEVICE;
setup->bRequest = USB_REQUEST_SET_CONFIGURATION;
setup->wValue = 1;
setup->wIndex = 0;
setup->wLength = 0;
ret = usbh_control_transfer(hport->ep0, setup, NULL);
if (ret < 0) {
USB_LOG_ERR("Failed to set configuration,errorcode:%d\r\n", ret);
goto errout;
}
add enumeration success log
2022-02-12 22:25:56 +08:00
USB_LOG_INFO("Enumeration success, start loading class driver\r\n");
format codes
2022-02-08 11:44:46 +08:00
/*search supported class driver*/
for (uint8_t i = 0; i < hport->config.config_desc.bNumInterfaces; i++) {
intf_desc = &hport->config.intf[i].intf_desc;
struct usbh_class_driver *class_driver = (struct usbh_class_driver *)usbh_find_class_driver(intf_desc->bInterfaceClass, intf_desc->bInterfaceSubClass, intf_desc->bInterfaceProtocol, hport->device_desc.idVendor, hport->device_desc.idProduct);
if (class_driver == NULL) {
USB_LOG_ERR("do not support Class:0x%02x,Subclass:0x%02x,Protocl:0x%02x\r\n",
intf_desc->bInterfaceClass,
intf_desc->bInterfaceSubClass,
intf_desc->bInterfaceProtocol);
continue;
}
hport->config.intf[i].class_driver = class_driver;
if (hport->config.intf[i].class_driver->connect) {
ret = CLASS_CONNECT(hport, i);
if (ret < 0) {
ret = CLASS_DISCONNECT(hport, i);
goto errout;
}
}
}
errout:
if (ret < 0) {
usbh_hport_deactivate(hport);
}
if (setup) {
usb_iofree(setup);
}
if (ep0_buffer) {
usb_iofree(ep0_buffer);
}
return ret;
}
static int usbh_portchange_wait(struct usbh_hubport **hport)
{
struct usbh_hubport *connport = NULL;
uint32_t flags;
int ret;
/* Loop until a change in connection state is detected */
while (1) {
/* Check for a change in the connection state on any root hub port */
flags = usb_osal_enter_critical_section();
for (uint8_t port = USBH_HUB_PORT_START_INDEX; port <= CONFIG_USBHOST_RHPORTS; port++) {
connport = &usbh_core_cfg.rhport[port - 1].hport;
if (connport->port_change) {
connport->port_change = false;
*hport = connport;
usb_osal_leave_critical_section(flags);
return 0;
}
}
/* Is a device connected to an external hub? */
if (usbh_core_cfg.active_hport) {
connport = (struct usbh_hubport *)usbh_core_cfg.active_hport;
usbh_core_cfg.active_hport = NULL;
*hport = connport;
usb_osal_leave_critical_section(flags);
return 0;
}
/* No changes on any port. Wait for a connection/disconnection event and check again */
usbh_core_cfg.pscwait = true;
usb_osal_leave_critical_section(flags);
ret = usb_osal_sem_take(usbh_core_cfg.pscsem);
if (ret < 0) {
return ret;
}
}
}
static void usbh_portchange_detect_thread(void *argument)
{
struct usbh_hubport *hport = NULL;
uint32_t flags;
flags = usb_osal_enter_critical_section();
usb_hc_init();
for (uint8_t port = USBH_HUB_PORT_START_INDEX; port <= CONFIG_USBHOST_RHPORTS; port++) {
usbh_core_cfg.rhport[port - 1].hport.port = port;
usbh_core_cfg.rhport[port - 1].devgen.next = 1;
usbh_hport_activate(&usbh_core_cfg.rhport[port - 1].hport);
}
usb_osal_leave_critical_section(flags);
add enumeration success log
2022-02-12 22:25:56 +08:00
format codes
2022-02-08 11:44:46 +08:00
while (1) {
usbh_portchange_wait(&hport);
if (hport->connected) {
/*if roothub port,reset port first*/
if (ROOTHUB(hport)) {
/* Reset the host port */
usbh_reset_port(hport->port);
usb_osal_msleep(200);
/* Get the current device speed */
hport->speed = usbh_get_port_speed(hport->port);
USB_LOG_INFO("Bus %u, Port %u connected, %s\r\n", 1, hport->port, speed_table[hport->speed]);
} else {
USB_LOG_INFO("Bus %u, Port %u connected, %s\r\n", hport->parent->index, hport->port, speed_table[hport->speed]);
}
usb_osal_thread_suspend(g_lpworkq.thread);
usbh_enumerate(hport);
usb_osal_thread_resume(g_lpworkq.thread);
} else {
usbh_hport_deactivate(hport);
for (uint8_t i = 0; i < hport->config.config_desc.bNumInterfaces; i++) {
if (hport->config.intf[i].class_driver && hport->config.intf[i].class_driver->disconnect) {
CLASS_DISCONNECT(hport, i);
}
}
hport->config.config_desc.bNumInterfaces = 0;
if (ROOTHUB(hport)) {
USB_LOG_INFO("Bus %u,Port:%u disconnected\r\n", 1, hport->port);
} else {
USB_LOG_INFO("Bus %u,Port:%u disconnected\r\n", hport->parent->index, hport->port);
}
}
}
}
void usbh_external_hport_connect(struct usbh_hubport *hport)
{
uint32_t flags;
usbh_hport_activate(hport);
flags = usb_osal_enter_critical_section();
hport->connected = true;
usbh_core_cfg.active_hport = hport;
if (usbh_core_cfg.pscwait) {
usbh_core_cfg.pscwait = false;
usb_osal_sem_give(usbh_core_cfg.pscsem);
}
usb_osal_leave_critical_section(flags);
}
void usbh_external_hport_disconnect(struct usbh_hubport *hport)
{
uint32_t flags;
flags = usb_osal_enter_critical_section();
hport->connected = false;
usbh_core_cfg.active_hport = hport;
if (usbh_core_cfg.pscwait) {
usbh_core_cfg.pscwait = false;
usb_osal_sem_give(usbh_core_cfg.pscsem);
}
usb_osal_leave_critical_section(flags);
}
void usbh_hport_activate(struct usbh_hubport *hport)
{
struct usbh_endpoint_cfg ep0_cfg;
uint32_t flags;
flags = usb_osal_enter_critical_section();
memset(&ep0_cfg, 0, sizeof(struct usbh_endpoint_cfg));
ep0_cfg.ep_addr = 0x00;
ep0_cfg.ep_interval = 0x00;
ep0_cfg.ep_mps = 0x08;
ep0_cfg.ep_type = USB_ENDPOINT_TYPE_CONTROL;
ep0_cfg.hport = hport;
/* Allocate memory for roothub port control endpoint */
usbh_ep_alloc(&hport->ep0, &ep0_cfg);
usb_osal_leave_critical_section(flags);
}
void usbh_hport_deactivate(struct usbh_hubport *hport)
{
uint32_t flags;
flags = usb_osal_enter_critical_section();
/* Don't free the control pipe of root hub ports! */
if (hport->parent != NULL && hport->ep0 != NULL) {
usb_ep_cancel(hport->ep0);
usbh_ep_free(hport->ep0);
hport->ep0 = NULL;
}
/* Free the device address if one has been assigned */
usbh_devaddr_destroy(hport, hport->dev_addr);
hport->dev_addr = 0;
usb_osal_leave_critical_section(flags);
}
void usbh_event_notify_handler(uint8_t event, uint8_t rhport)
{
switch (event) {
case USBH_EVENT_ATTACHED:
if (!usbh_core_cfg.rhport[rhport - 1].hport.connected) {
usbh_core_cfg.rhport[rhport - 1].hport.connected = true;
usbh_core_cfg.rhport[rhport - 1].hport.port_change = true;
if (usbh_core_cfg.pscwait) {
usbh_core_cfg.pscwait = false;
usb_osal_sem_give(usbh_core_cfg.pscsem);
}
}
break;
case USBH_EVENT_REMOVED:
if (usbh_core_cfg.rhport[rhport - 1].hport.connected) {
usbh_core_cfg.rhport[rhport - 1].hport.connected = false;
usbh_core_cfg.rhport[rhport - 1].hport.port_change = true;
if (usbh_core_cfg.pscwait) {
usbh_core_cfg.pscwait = false;
usb_osal_sem_give(usbh_core_cfg.pscsem);
}
}
break;
default:
break;
}
}
int usbh_initialize(void)
{
usb_osal_thread_t usb_thread;
memset(&usbh_core_cfg, 0, sizeof(struct usbh_core_priv));
usbh_workq_initialize();
usbh_core_cfg.pscsem = usb_osal_sem_create(0);
if (usbh_core_cfg.pscsem == NULL) {
return -1;
}
usb_thread = usb_osal_thread_create("usbh_psc", CONFIG_USBHOST_PSC_STACKSIZE, CONFIG_USBHOST_PSC_PRIO, usbh_portchange_detect_thread, NULL);
if (usb_thread == NULL) {
return -1;
}
return 0;
}
int lsusb(int argc, char **argv)
{
usb_slist_t *hub_list;
uint8_t port;
if (argc < 2) {
printf("Usage: lsusb [options]...\r\n");
printf("List USB devices\r\n");
printf(" -v, --verbose\r\n");
printf(" Increase verbosity (show descriptors)\r\n");
printf(" -s [[bus]:[devnum]]\r\n");
printf(" Show only devices with specified device and/or bus numbers (in decimal)\r\n");
printf(" -d vendor:[product]\r\n");
printf(" Show only devices with the specified vendor and product ID numbers (in hexadecimal)\r\n");
printf(" -t, --tree\r\n");
printf(" Dump the physical USB device hierachy as a tree\r\n");
printf(" -V, --version\r\n");
printf(" Show version of program\r\n");
printf(" -h, --help\r\n");
printf(" Show usage and help\r\n");
return 0;
}
if (argc > 3) {
return 0;
}
if (strcmp(argv[1], "-t") == 0) {
for (port = USBH_HUB_PORT_START_INDEX; port <= CONFIG_USBHOST_RHPORTS; port++) {
if (usbh_core_cfg.rhport[port - 1].hport.connected) {
printf("/: Bus %02u,VID:PID 0x%04x:0x%04x\r\n", USBH_ROOT_HUB_INDEX, usbh_core_cfg.rhport[port - 1].hport.device_desc.idVendor, usbh_core_cfg.rhport[port - 1].hport.device_desc.idProduct);
for (uint8_t i = 0; i < usbh_core_cfg.rhport[port - 1].hport.config.config_desc.bNumInterfaces; i++) {
if (usbh_core_cfg.rhport[port - 1].hport.config.intf[i].class_driver->driver_name) {
printf(" |__Port %u,Port addr:0x%02x,If %u,ClassDriver=%s\r\n", usbh_core_cfg.rhport[port - 1].hport.port, usbh_core_cfg.rhport[port - 1].hport.dev_addr,
i, usbh_core_cfg.rhport[port - 1].hport.config.intf[i].class_driver->driver_name);
}
}
}
}
usb_slist_for_each(hub_list, &hub_class_head)
{
usbh_hub_t *hub_class = usb_slist_entry(hub_list, struct usbh_hub, list);
for (port = USBH_HUB_PORT_START_INDEX; port <= hub_class->nports; port++) {
if (hub_class->child[port - 1].connected) {
printf("/: Bus %02u,VID:PID 0x%04x:0x%04x\r\n", hub_class->index, hub_class->child[port - 1].device_desc.idVendor, hub_class->child[port - 1].device_desc.idProduct);
for (uint8_t i = 0; i < hub_class->child[port - 1].config.config_desc.bNumInterfaces; i++) {
if (hub_class->child[port - 1].config.intf[i].class_driver->driver_name) {
printf(" |__Port %u,Port addr:0x%02x,If %u,ClassDriver=%s\r\n", hub_class->child[port - 1].port, hub_class->child[port - 1].dev_addr,
i, hub_class->child[port - 1].config.intf[i].class_driver->driver_name);
}
}
}
}
}
} else if (strcmp(argv[1], "-v") == 0) {
for (port = USBH_HUB_PORT_START_INDEX; port <= CONFIG_USBHOST_RHPORTS; port++) {
if (usbh_core_cfg.rhport[port - 1].hport.connected) {
printf("Bus %02u,Port %u,Port addr:0x%02x,VID:PID 0x%04x:0x%04x\r\n", USBH_ROOT_HUB_INDEX, usbh_core_cfg.rhport[port - 1].hport.port, usbh_core_cfg.rhport[port - 1].hport.dev_addr,
usbh_core_cfg.rhport[port - 1].hport.device_desc.idVendor, usbh_core_cfg.rhport[port - 1].hport.device_desc.idProduct);
usbh_print_hubport_info(&usbh_core_cfg.rhport[port - 1].hport);
}
}
usb_slist_for_each(hub_list, &hub_class_head)
{
usbh_hub_t *hub_class = usb_slist_entry(hub_list, struct usbh_hub, list);
for (port = USBH_HUB_PORT_START_INDEX; port <= hub_class->nports; port++) {
if (hub_class->child[port - 1].connected) {
printf("Bus %02u,Port %u,Port addr:0x%02x,VID:PID 0x%04x:0x%04x\r\n", hub_class->index, hub_class->child[port - 1].port, hub_class->child[port - 1].dev_addr,
hub_class->child[port - 1].device_desc.idVendor, hub_class->child[port - 1].device_desc.idProduct);
usbh_print_hubport_info(&hub_class->child[port - 1]);
}
}
}
}
return 0;
}
struct usbh_hubport *usbh_get_hubport(uint8_t dev_addr)
{
usb_slist_t *hub_list;
uint8_t port;
for (port = USBH_HUB_PORT_START_INDEX; port <= CONFIG_USBHOST_RHPORTS; port++) {
if (usbh_core_cfg.rhport[port - 1].hport.connected) {
if (usbh_core_cfg.rhport[port - 1].hport.dev_addr == dev_addr) {
return &usbh_core_cfg.rhport[port - 1].hport;
}
}
}
usb_slist_for_each(hub_list, &hub_class_head)
{
usbh_hub_t *hub_class = usb_slist_entry(hub_list, struct usbh_hub, list);
for (port = USBH_HUB_PORT_START_INDEX; port <= hub_class->nports; port++) {
if (hub_class->child[port - 1].connected) {
if (hub_class->child[port - 1].dev_addr == dev_addr) {
return &hub_class->child[port - 1];
}
}
}
}
return NULL;
}
void *usbh_get_class(uint8_t dev_addr, uint8_t intf)
{
usb_slist_t *hub_list;
uint8_t port;
for (port = USBH_HUB_PORT_START_INDEX; port <= CONFIG_USBHOST_RHPORTS; port++) {
if (usbh_core_cfg.rhport[port - 1].hport.connected) {
if (usbh_core_cfg.rhport[port - 1].hport.dev_addr == dev_addr) {
if (usbh_core_cfg.rhport[port - 1].hport.config.intf[intf].priv) {
return usbh_core_cfg.rhport[port - 1].hport.config.intf[intf].priv;
}
}
}
}
usb_slist_for_each(hub_list, &hub_class_head)
{
usbh_hub_t *hub_class = usb_slist_entry(hub_list, struct usbh_hub, list);
for (port = USBH_HUB_PORT_START_INDEX; port <= hub_class->nports; port++) {
if (hub_class->child[port - 1].connected) {
if (hub_class->child[port - 1].dev_addr == dev_addr) {
if (hub_class->child[port - 1].config.intf[intf].priv) {
return hub_class->child[port - 1].config.intf[intf].priv;
}
}
}
}
}
return NULL;
}
const struct usbh_class_info class_info_table[] = {
{ .class = USB_DEVICE_CLASS_CDC,
.subclass = CDC_ABSTRACT_CONTROL_MODEL,
.protocol = CDC_COMMON_PROTOCOL_AT_COMMANDS,
.vid = 0x00,
.pid = 0x00,
.class_driver = &cdc_acm_class_driver },
{ .class = USB_DEVICE_CLASS_HID,
.subclass = HID_SUBCLASS_BOOTIF,
.protocol = HID_PROTOCOL_KEYBOARD,
.vid = 0x00,
.pid = 0x00,
.class_driver = &hid_class_driver },
{ .class = USB_DEVICE_CLASS_HID,
.subclass = HID_SUBCLASS_BOOTIF,
.protocol = HID_PROTOCOL_MOUSE,
.vid = 0x00,
.pid = 0x00,
.class_driver = &hid_class_driver },
{ .class = USB_DEVICE_CLASS_MASS_STORAGE,
.subclass = MSC_SUBCLASS_SCSI,
.protocol = MSC_PROTOCOL_BULK_ONLY,
.vid = 0x00,
.pid = 0x00,
.class_driver = &msc_class_driver },
#ifdef CONFIG_USBHOST_HUB
{ .class = USB_DEVICE_CLASS_HUB,
.subclass = 0,
.protocol = 0,
.vid = 0x00,
.pid = 0x00,
.class_driver = &hub_class_driver },
{ .class = USB_DEVICE_CLASS_HUB,
.subclass = 0,
.protocol = 1,
.vid = 0x00,
.pid = 0x00,
.class_driver = &hub_class_driver },
#endif
};
static const struct usbh_class_driver *usbh_find_class_driver(uint8_t class, uint8_t subcalss, uint8_t protocol, uint16_t vid, uint16_t pid)
{
for (uint8_t i = 0; i < sizeof(class_info_table) / sizeof(class_info_table[0]); i++) {
if (class == class_info_table[i].class &&
subcalss == class_info_table[i].subclass &&
protocol == class_info_table[i].protocol) {
/* If this is a vendor-specific class ID, then the VID and PID have to match as well. */
if (class == USB_DEVICE_CLASS_VEND_SPECIFIC) {
if (vid == class_info_table[i].vid &&
pid == class_info_table[i].pid) {
return class_info_table[i].class_driver;
}
}
return class_info_table[i].class_driver;
}
}
return NULL;
}
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