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luban-lite/packages/third-party/cherryusb/demo/composite_template.c
刘可亮 3e10f578d3 v1.2.2
2025-10-21 13:59:50 +08:00

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34 KiB
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/*
* Copyright (c) 2023-2025, ArtInChip Technology Co., Ltd
*
* SPDX-License-Identifier: Apache-2.0
*
* Authors: senye Liang <senye.liang@artinchip.com>
*/
#include "usbd_core.h"
#include "usbd_cdc.h"
#include "usbd_msc.h"
#include "usb_osal.h"
#include "aic_drv.h"
#include "composite_template.h"
// #define USBD_VID 0x18D1 // Google
#define USBD_VID 0x33C3 // Display
#define USBD_PID 0x0E01
#define USBD_MAX_POWER 250
#define USBD_LANGID_STRING 1033
/*!< config descriptor size */
#ifdef CONFIG_USB_HS
#define CDC_MAX_MPS 512
#else
#define CDC_MAX_MPS 64
#endif
#ifdef CONFIG_USB_HS
#define MSC_MAX_MPS 512
#else
#define MSC_MAX_MPS 64
#endif
#define USB_CONFIG_SIZE 9
#define USB_INTERFACE_SIZE 9
#define USBD_DEV_CLASS_OFFSET (18 + 9)
#define MAX_COMPOSITE_DEV 8
#define MAX_FUNC_EP_NUM 3
#define MAX_FUNC_INTF_NUM 4
int usbd_composite_detection(void);
int usbd_composite_dev_unload(void);
int usbd_composite_dev_load(void);
uint8_t usbd_composite_func_switch(uint8_t index);
struct function_intf_t {
bool is_loaded;
uint8_t dev_class;
uint8_t intf_num;
uint8_t intf[MAX_FUNC_INTF_NUM];
uint8_t ep_num;
uint8_t ep[MAX_FUNC_EP_NUM];
uint8_t class_name[10];
void (*event_handler)(uint8_t event);
int (*comp_class_init)(void);
int (*comp_class_deinit)(void);
int (*comp_class_init_cb)(uint8_t *ep_table, void *data);
void *data;
};
#ifdef LPKG_CHERRYUSB_DEVICE_MSC
extern int usbd_msc_init(void);
extern int usbd_msc_deinit(void);
static struct function_intf_t msc_dev = {
.dev_class = USB_DEVICE_CLASS_MASS_STORAGE,
.class_name = "msc",
.data = NULL,
.comp_class_init = usbd_msc_init,
.comp_class_deinit = usbd_msc_deinit,
};
#endif
#ifdef LPKG_USING_COMP_ADBD
static struct function_intf_t adb_dev = {
.dev_class = 0xff,
.class_name = "adb",
.data = NULL,
};
#endif
#ifdef LPKG_CHERRYUSB_DEVICE_DISPLAY
extern int usbd_display_init(void);
extern int usbd_display_deinit(void);
static struct function_intf_t disp_dev = {
.dev_class = USB_DEVICE_CLASS_VEND_SPECIFIC,
.class_name = "disp",
.data = NULL,
.comp_class_init = usbd_display_init,
.comp_class_deinit = usbd_display_deinit,
};
#endif
#ifdef LPKG_CHERRYUSB_DEVICE_AUDIO
extern int usbd_audio_v2_init(void);
extern int usbd_audio_v2_deinit(void);
static struct function_intf_t uac_dev = {
.dev_class = USB_DEVICE_CLASS_AUDIO,
.class_name = "uac",
.data = NULL,
.comp_class_init = usbd_audio_v2_init,
.comp_class_deinit = usbd_audio_v2_deinit,
};
#endif
#ifdef LPKG_CHERRYUSB_DEVICE_HID_TOUCH_TEMPLATE
extern int usbd_hid_touch_init(void);
extern int usbd_hid_touch_deinit(void);
static struct function_intf_t touch_dev = {
.dev_class = USB_DEVICE_CLASS_HID,
.class_name = "touch",
.data = NULL,
.comp_class_init = usbd_hid_touch_init,
.comp_class_deinit = usbd_hid_touch_deinit,
};
#endif
#ifdef LPKG_CHERRYUSB_DEVICE_HID_KEYBOARD_TEMPLATE
extern int usbd_hid_keyboard_init(void);
extern int usbd_hid_keyboard_deinit(void);
static struct function_intf_t keyboard_dev = {
.dev_class = USB_DEVICE_CLASS_HID,
.class_name = "keyboard",
.data = NULL,
.comp_class_init = usbd_hid_keyboard_init,
.comp_class_deinit = usbd_hid_keyboard_deinit,
};
#endif
#ifdef LPKG_CHERRYUSB_DEVICE_VENDER_TEMPLATE
extern int vender_device_init(void);
static struct function_intf_t vender_dev = {
.dev_class = USB_DEVICE_CLASS_VEND_SPECIFIC,
.class_name = "vender",
.data = NULL,
.comp_class_init = vender_device_init,
};
#endif
#if defined(LPKG_USING_COMP_VIDEO_TABLE1) || defined(LPKG_USING_COMP_VIDEO_TABLE2)
extern int video_init(void);
extern int video_deinit(void);
static struct function_intf_t video_dev = {
.dev_class = USB_DEVICE_CLASS_VIDEO,
.class_name = "video",
.data = NULL,
.comp_class_init = video_init,
.comp_class_deinit = video_deinit,
};
#endif
#ifdef LPKG_CHERRYUSB_DEVICE_CDC_TEMPLATE
extern int cdc_acm_init(void);
extern int cdc_acm_deinit(void);
static struct function_intf_t cdc_acm_dev = {
.dev_class = USB_DEVICE_CLASS_CDC,
.class_name = "cdc_acm",
.data = NULL,
.comp_class_init = cdc_acm_init,
.comp_class_deinit = cdc_acm_deinit,
};
#endif
static struct function_intf_t *g_func_table[MAX_COMPOSITE_DEV] = {
#if defined(LPKG_USING_COMP_VIDEO_TABLE1) || defined(LPKG_USING_COMP_VIDEO_TABLE2)
&video_dev,
#endif
#ifdef LPKG_CHERRYUSB_DEVICE_DISPLAY
&disp_dev,
#endif
#ifdef LPKG_CHERRYUSB_DEVICE_MSC
&msc_dev,
#endif
#ifdef LPKG_USING_COMP_ADBD
&adb_dev,
#endif
#ifdef LPKG_CHERRYUSB_DEVICE_AUDIO
&uac_dev,
#endif
#ifdef LPKG_CHERRYUSB_DEVICE_HID_TOUCH_TEMPLATE
&touch_dev,
#endif
#ifdef LPKG_CHERRYUSB_DEVICE_HID_KEYBOARD_TEMPLATE
&keyboard_dev,
#endif
#ifdef LPKG_CHERRYUSB_DEVICE_VENDER_TEMPLATE
&vender_dev,
#endif
#ifdef LPKG_CHERRYUSB_DEVICE_CDC_TEMPLATE
&cdc_acm_dev,
#endif
};
static char *g_func_table1[] = {
#ifdef LPKG_USING_COMP_DISP_TABLE1
"disp",
#endif
#ifdef LPKG_USING_COMP_MSC_TABLE1
"msc",
#endif
#ifdef LPKG_USING_COMP_ADBD_TABLE1
"adb",
#endif
#ifdef LPKG_USING_COMP_UAC_TABLE1
"uac",
#endif
#if defined(LPKG_USING_COMP_HID_TABLE1) && defined(LPKG_CHERRYUSB_DEVICE_HID_TOUCH_TEMPLATE)
"touch",
#endif
#if defined(LPKG_USING_COMP_HID_TABLE1) && defined(LPKG_CHERRYUSB_DEVICE_HID_KEYBOARD_TEMPLATE)
"keyboard",
#endif
#ifdef LPKG_USING_COMP_VENDER_TABLE1
"vender",
#endif
#if defined(LPKG_USING_COMP_VIDEO_TABLE1)
"video",
#endif
#if defined(LPKG_USING_COMP_CDC_TABLE1) && defined(LPKG_CHERRYUSB_DEVICE_CDC_TEMPLATE)
"cdc_acm",
#endif
NULL,
};
static char *g_func_table2[] = {
#ifdef LPKG_USING_COMP_DISP_TABLE2
"disp",
#endif
#ifdef LPKG_USING_COMP_MSC_TABLE2
"msc",
#endif
#ifdef LPKG_USING_COMP_ADBD_TABLE2
"adb",
#endif
#ifdef LPKG_USING_COMP_UAC_TABLE2
"uac",
#endif
#if defined(LPKG_USING_COMP_HID_TABLE2) && defined(LPKG_CHERRYUSB_DEVICE_HID_TOUCH_TEMPLATE)
"touch",
#endif
#if defined(LPKG_USING_COMP_HID_TABLE2) && defined(LPKG_CHERRYUSB_DEVICE_HID_KEYBOARD_TEMPLATE)
"keyboard",
#endif
#if defined(LPKG_USING_COMP_CDC_TABLE2) && defined(LPKG_CHERRYUSB_DEVICE_CDC_TEMPLATE)
"cdc_acm",
#endif
#if defined(LPKG_USING_COMP_VIDEO_TABLE2)
"video",
#endif
NULL,
};
static char **g_func_tables[] = {g_func_table1, g_func_table2, NULL};
struct usbd_comp_desc_t {
const uint8_t *dev_desc;
uint8_t *cfg_desc;
uint8_t *class_desc[MAX_COMPOSITE_DEV];
const uint8_t **string_desc;
int16_t class_desc_len[MAX_COMPOSITE_DEV];
int16_t string_desc_num;
};
struct usbd_comp_dev_t {
bool is_inited;
bool is_finished;
uint8_t intf_index;
uint8_t ep_index;
uint8_t dev_num;
uint8_t intf_num;
uint8_t max_dev_num;
uint8_t cur_func_table_index;
uint8_t *comp_desc;
rt_mutex_t usbd_comp_mutex;
char **cur_func_table;
struct usbd_comp_desc_t desc;
struct function_intf_t **func_table;
} g_usbdcomp_dev;
static uint8_t device_descriptor[] = {
USB_DEVICE_DESCRIPTOR_INIT(USB_2_0, 0x00, 0x00, 0x00, USBD_VID, USBD_PID, 0x0200, 0x01)
};
static uint8_t config_descriptor[] = {
USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x03, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER)
};
#ifdef CONFIG_USB_HS
static const uint8_t qualifier_descriptor[] = {
///////////////////////////////////////
/// device qualifier descriptor
///////////////////////////////////////
0x0a,
USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER,
0x00,
0x02,
0x00,
0x00,
0x00,
0x40,
0x01,
0x00,
// ///////////////////////////////////////
// /// Other Speed Configuration Descriptor
// ///////////////////////////////////////
0x09,
USB_DESCRIPTOR_TYPE_OTHER_SPEED,
WBVAL(USB_CONFIG_SIZE),
0x01,
0x01,
0x00,
USB_CONFIG_BUS_POWERED,
USBD_MAX_POWER,
};
#endif
static const uint8_t string0_descriptor[] = {
///////////////////////////////////////
/// string0 descriptor
///////////////////////////////////////
USB_LANGID_INIT(USBD_LANGID_STRING),
};
static const uint8_t string1_descriptor[] = {
///////////////////////////////////////
/// string1 descriptor
///////////////////////////////////////
0x14, /* bLength */
USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
'A', 0x00, /* wcChar0 */
'r', 0x00, /* wcChar1 */
't', 0x00, /* wcChar2 */
'I', 0x00, /* wcChar3 */
'n', 0x00, /* wcChar4 */
'C', 0x00, /* wcChar5 */
'h', 0x00, /* wcChar6 */
'i', 0x00, /* wcChar7 */
'p', 0x00, /* wcChar8 */
};
static const uint8_t string2_descriptor[] = {
///////////////////////////////////////
/// string2 descriptor
///////////////////////////////////////
0x2A, /* bLength */
USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
'A', 0x00, /* wcChar0 */
'r', 0x00, /* wcChar1 */
't', 0x00, /* wcChar2 */
'I', 0x00, /* wcChar3 */
'n', 0x00, /* wcChar4 */
'C', 0x00, /* wcChar5 */
'h', 0x00, /* wcChar6 */
'i', 0x00, /* wcChar7 */
'p', 0x00, /* wcChar8 */
' ', 0x00, /* wcChar9 */
'U', 0x00, /* wcChar10 */
'S', 0x00, /* wcChar11 */
'B', 0x00, /* wcChar12 */
' ', 0x00, /* wcChar13 */
'D', 0x00, /* wcChar14 */
'e', 0x00, /* wcChar15 */
'v', 0x00, /* wcChar16 */
'i', 0x00, /* wcChar17 */
'c', 0x00, /* wcChar18 */
'e', 0x00, /* wcChar19 */
};
#define MAX_STR3_DESC_LEN 34
static uint8_t string3_descriptor[] = {
///////////////////////////////////////
/// string3 descriptor
///////////////////////////////////////
MAX_STR3_DESC_LEN, /* bLength */
USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
'2', 0x00, /* wcChar0 */
'0', 0x00, /* wcChar1 */
'2', 0x00, /* wcChar2 */
'4', 0x00, /* wcChar3 */
'1', 0x00, /* wcChar4 */
'2', 0x00, /* wcChar5 */
'3', 0x00, /* wcChar6 */
'4', 0x00, /* wcChar7 */
'5', 0x00, /* wcChar8 */
'6', 0x00, /* wcChar9 */
'7', 0x00, /* wcChar10 */
'8', 0x00, /* wcChar11 */
'9', 0x00, /* wcChar12 */
'a', 0x00, /* wcChar13 */
'b', 0x00, /* wcChar14 */
'd', 0x00, /* wcChar15 */
};
static const uint8_t *string_descriptors[4] = { string0_descriptor, string1_descriptor, string2_descriptor, string3_descriptor };
#define STRING_DESC_NUM (sizeof(string_descriptors) / (CACHE_LINE_SIZE / 8U))
#ifdef CONFIG_USB_HS
#define CDC_MAX_MPS 512
#else
#define CDC_MAX_MPS 64
#endif
struct usbd_comp_dev_t *get_usbdcomp_dev(void)
{
return &g_usbdcomp_dev;
}
int _create_dev_class(uint8_t dev_class, void *data)
{
struct function_intf_t *func = NULL;
struct usbd_comp_dev_t *c = get_usbdcomp_dev();
func = usb_malloc(sizeof(struct function_intf_t));
memset(func, 0, sizeof(struct function_intf_t));
for (int i = 0; i < MAX_COMPOSITE_DEV; i++) {
if (c->func_table[i] == NULL) {
func->dev_class = dev_class;
if (data == NULL)
snprintf((char *)func->class_name, sizeof(func->class_name), "null-%d", i);
else
memcpy((char *)func->class_name, (char *)data, strlen((char *)data));
func->data = NULL;
c->func_table[i] = func;
return i;
}
}
return -1;
}
int _find_dev_class_byname(char *name)
{
if (name != NULL) {
for (int i = 0; i < MAX_COMPOSITE_DEV; i++) {
if (g_func_table[i] == NULL)
continue;
USB_LOG_DBG("%s %s\n", (char *)g_func_table[i]->class_name, (char *)name);
if (strncmp((char *)g_func_table[i]->class_name,
(char *)name, strlen((char *)name)) == 0) {
return i;
}
}
}
return -1;
}
bool _check_func_table(char *name)
{
struct usbd_comp_dev_t *c = get_usbdcomp_dev();
bool found = false;
int func_cnt = 0;
if (c->cur_func_table_index == 0 && c->cur_func_table == NULL)
goto __end;
while(c->cur_func_table[func_cnt] != NULL) {
if (strcmp(c->cur_func_table[func_cnt], name) == 0) {
found = true;
return found;
}
func_cnt++;
}
__end:
return false;
}
int _find_dev_class(uint8_t dev_class, void *data)
{
int func_index = -1;
if (false == _check_func_table((char *)data))
return -1;
func_index = _find_dev_class_byname((char *)data);
if (func_index >= 0)
return func_index;
return -1;
}
const uint8_t *_get_desc(const uint8_t *desc, uint8_t desc_type, uint16_t len)
{
uint8_t ofs = 0;
uint8_t desc_cnt = 0;
if (len == 0)
desc_cnt = 20;
for (int i = 0; ((i < desc_cnt) || (ofs <= len)); i++) {
if (desc[ofs + 1] == desc_type) {
USB_LOG_DBG("CMOP: desc_type %#x\n", desc[ofs + 1]);
return &desc[ofs];
}
ofs += desc[ofs];
if (desc[ofs] == 0)
break;
}
USB_LOG_DBG("CMOP: Can not find descriptor for this type: %#x\n", desc_type);
return NULL;
}
__WEAK int usbd_custom_serial_number(char *str)
{
return 0;
}
int setup_string3_desc(uint8_t *str, int len)
{
int i = 0;
int max = MAX_STR3_DESC_LEN/2 - 1;
if (len > max)
return -1;
for (i=0; i<max; i++) {
string3_descriptor[2 + i*2] = str[i];
string3_descriptor[3 + i*2] = 0x00;
}
string3_descriptor[0] = (len + 1)*2;
string3_descriptor[1] = USB_DESCRIPTOR_TYPE_STRING;
return 0;
}
void add_serial_number(void)
{
u32 chipid[4];
char id_str[17] = {0};
int ret = 0;
struct usb_device_descriptor *device_desc = (struct usb_device_descriptor *)device_descriptor;
/* (1) default set by chipid */
ret = drv_efuse_read_chip_id(chipid);
if (!ret) {
snprintf(id_str, 17, "%08x%08x", chipid[0], chipid[1]);
setup_string3_desc((uint8_t *)id_str, 16);
}
/* (2) overwrite by custom */
ret = usbd_custom_serial_number(id_str);
if (ret) {
setup_string3_desc((uint8_t *)id_str, ret);
}
device_desc->iSerialNumber = USB_STRING_SERIAL_INDEX;
}
static uint8_t g_comp_desc[1024];
uint8_t *alloc_comp_desc(struct usbd_comp_desc_t *comp)
{
return g_comp_desc;
}
void free_comp_desc(void)
{
memset(g_comp_desc, 0, sizeof(g_comp_desc));
}
static int usbd_comp_init(void)
{
struct usbd_comp_dev_t *c = get_usbdcomp_dev();
#ifdef LPKG_CHERRYUSB_DEVICE_COMPOSITE_SERIALNUMBER
add_serial_number();
#endif
memset(c, 0, sizeof(struct usbd_comp_dev_t));
c->desc.dev_desc = device_descriptor;
c->desc.cfg_desc = config_descriptor;
c->desc.string_desc = string_descriptors;
c->func_table = g_func_table;
c->usbd_comp_mutex = rt_mutex_create("usbd_comp_mutex", RT_IPC_FLAG_PRIO);
if (c->usbd_comp_mutex == NULL) {
USB_LOG_ERR("COMP: create dynamic mutex falied.\n");
return -1;
}
usbd_composite_func_switch(1);
return 0;
}
static int _check_comp_device_status()
{
uint8_t dev_num;
struct usbd_comp_dev_t *c = get_usbdcomp_dev();
dev_num = c->dev_num + 1;
if (c->max_dev_num != 0 && dev_num > c->max_dev_num)
return -1;
return 0;
}
void usbd_comp_func_register(const uint8_t *desc,
void (*event_handler)(uint8_t event),
int (*comp_class_init_cb)(uint8_t *ep_table, void *data),
void *data)
{
int index;
struct usbd_comp_dev_t *c = get_usbdcomp_dev();
struct usb_interface_descriptor *intf_desc = NULL;
struct usb_configuration_descriptor *cfg_desc = NULL;
rt_mutex_take(c->usbd_comp_mutex, RT_WAITING_FOREVER);
if (_check_comp_device_status() < 0)
return;
intf_desc = (struct usb_interface_descriptor *)
_get_desc(desc, USB_DESCRIPTOR_TYPE_INTERFACE, 0);
cfg_desc = (struct usb_configuration_descriptor *)
_get_desc(desc, USB_DESCRIPTOR_TYPE_CONFIGURATION, 0);
if (intf_desc == NULL || cfg_desc == NULL) {
USB_LOG_ERR("COMP: Failed to find the usb device desc!\n");
return;
}
usbd_composite_dev_unload();
// 1. find the class
index = _find_dev_class(intf_desc->bInterfaceClass, data);
if (index < 0) {
USB_LOG_ERR("COMP: Failed to find the usb device class!(%#x)\n",
intf_desc->bInterfaceClass);
return;
}
// 2. bind class private data
if (c->func_table[index]->is_loaded == true)
goto _end;
c->func_table[index]->is_loaded = true;
c->func_table[index]->intf_num = cfg_desc->bNumInterfaces;
c->func_table[index]->comp_class_init_cb = comp_class_init_cb;
c->func_table[index]->event_handler = event_handler;
// 3. bind class descriptor
c->desc.class_desc[index] = (uint8_t *)&desc[USBD_DEV_CLASS_OFFSET];
c->desc.class_desc_len[index] += cfg_desc->wTotalLength - 9; // 9:cfg_desc_len
c->dev_num++;
c->intf_num += cfg_desc->bNumInterfaces;
memset(c->func_table[index]->intf, 0, MIN(c->intf_num, MAX_FUNC_INTF_NUM));
USB_LOG_INFO("COMP: Add device class: %s\n", c->func_table[index]->class_name);
USB_LOG_DBG("COMP: Class addr: %#lx len: %d\n", (long)c->desc.class_desc[index],
c->desc.class_desc_len[index] + 18 + 9);
_end:
usbd_composite_dev_load();
rt_mutex_release(c->usbd_comp_mutex);
}
void usbd_comp_func_release(const uint8_t *desc, void *data)
{
int index;
struct usbd_comp_dev_t *c = get_usbdcomp_dev();
struct usb_interface_descriptor *intf_desc = NULL;
struct usb_configuration_descriptor *cfg_desc = NULL;
rt_mutex_take(c->usbd_comp_mutex, RT_WAITING_FOREVER);
intf_desc = (struct usb_interface_descriptor *)
_get_desc(desc, USB_DESCRIPTOR_TYPE_INTERFACE, 0);
cfg_desc = (struct usb_configuration_descriptor *)
_get_desc(desc, USB_DESCRIPTOR_TYPE_CONFIGURATION, 0);
if (intf_desc == NULL || cfg_desc == NULL) {
USB_LOG_ERR("COMP: Failed to find the usb device desc!\n");
return;
}
index = _find_dev_class(intf_desc->bInterfaceClass, data);
if (index < 0) {
USB_LOG_ERR("COMP: Failed to find the usb device class!(%#x)\n",
intf_desc->bInterfaceClass);
return;
}
if (c->func_table[index]->is_loaded == false)
goto _end;
c->func_table[index]->is_loaded = false;
c->func_table[index]->ep_num = 0;
c->desc.class_desc[index] = NULL;
c->desc.class_desc_len[index] = 0;
c->dev_num--;
c->intf_num -= cfg_desc->bNumInterfaces;
USB_LOG_INFO("COMP: Release device class: %s\n", c->func_table[index]->class_name);
usbd_composite_dev_unload();
usbd_composite_dev_load();
_end:
rt_mutex_release(c->usbd_comp_mutex);
}
int make_comp_dev_desc(uint8_t *dest, uint8_t *src, int len)
{
struct usb_device_descriptor *dev = NULL;
struct usbd_comp_dev_t *c = get_usbdcomp_dev();
memcpy(dest, src, len);
dev = (struct usb_device_descriptor *)dest;
dev->idVendor = USBD_VID;
dev->idProduct = USBD_PID;
if (c->dev_num > 1 && USBD_PID < 0xFFFF)
dev->idProduct += 1;
return len;
}
int make_comp_cfg_desc(uint8_t *dest, uint8_t *src, int len)
{
struct usbd_comp_dev_t *c = get_usbdcomp_dev();
struct usb_configuration_descriptor *cfg = NULL;
memcpy(dest, src, len);
cfg = (struct usb_configuration_descriptor *)dest;
cfg->wTotalLength = USB_CONFIG_SIZE;
for (int i = 0; i < MAX_COMPOSITE_DEV; i++) {
if (c->desc.class_desc_len[i] == 0)
continue;
cfg->wTotalLength += c->desc.class_desc_len[i];
}
cfg->bNumInterfaces = c->intf_num;
return len;
}
int _make_uvc_intf_cs_desc(uint8_t *src)
{
struct usb_interface_descriptor *intf_desc = NULL;
struct usbd_comp_dev_t *c = get_usbdcomp_dev();
uint8_t *desc = NULL;
intf_desc = (struct usb_interface_descriptor *)src;
if (intf_desc->bInterfaceSubClass == 0x01U) { /* VIDEO_SC_VIDEOCONTROL */
desc = (uint8_t *)_get_desc(src, 0x24U, 0); /* VIDEO_CS_INTERFACE_DESCRIPTOR_TYPE */
if (desc[2] == 0x01U) /* VIDEO_VC_HEADER_DESCRIPTOR_SUBTYPE */ {
desc[desc[0] - 1] = c->intf_index;
}
}
return 0;
}
int make_comp_intf_cs_desc(uint8_t *src)
{
struct usb_interface_descriptor *intf_desc = NULL;
intf_desc = (struct usb_interface_descriptor *)src;
switch(intf_desc->bInterfaceClass) {
case USB_DEVICE_CLASS_VIDEO :
_make_uvc_intf_cs_desc(src);
break;
}
return 0;
}
int make_comp_intf_ep_desc(uint8_t *dest, uint8_t *src,
int len, int index)
{
uint8_t *intf_ptr, *ep_ptr;
uint8_t last_intf_index = 0, last_addr = 0, intf_num = 0;
struct usbd_comp_dev_t *c = get_usbdcomp_dev();
struct usb_interface_descriptor *intf_desc = NULL;
struct usb_interface_association_descriptor *iad_desc = NULL;
struct usb_endpoint_descriptor *ep = NULL;
memcpy(dest, src, len);
intf_ptr = dest;
ep_ptr = dest;
c->func_table[index]->ep_num = 0;
do {
/* check if the first descriptor is IAD ? */
iad_desc = (struct usb_interface_association_descriptor *)
_get_desc(intf_ptr, USB_DESCRIPTOR_TYPE_INTERFACE_ASSOCIATION, intf_ptr[0]);
if (iad_desc != NULL)
iad_desc->bFirstInterface = c->intf_index;
/* 1. make interface descriptor. */
intf_ptr = (uint8_t *)_get_desc(intf_ptr, USB_DESCRIPTOR_TYPE_INTERFACE, 0);
if (intf_ptr == NULL)
goto _finish;
intf_desc = (struct usb_interface_descriptor *)intf_ptr;
c->func_table[index]->intf[intf_num] = c->intf_index;
intf_num++;
if (intf_desc->bAlternateSetting == 0) {
intf_desc->bInterfaceNumber = c->intf_index;
last_intf_index = c->intf_index;
c->intf_index++;
} else {
intf_desc->bInterfaceNumber = last_intf_index;
}
// By default, all interfaces use a product character descriptor(string0).
intf_desc->iInterface = 0;
/* 1.1 make class-specific interface descriptor*/
make_comp_intf_cs_desc(intf_ptr);
/* point to the next interface descriptor. */
intf_ptr += intf_ptr[0];
/* 2. make endpoint descriptor. */
if (intf_desc->bNumEndpoints == 0)
continue;
ep_ptr = (uint8_t *)_get_desc((uint8_t *)intf_desc, USB_DESCRIPTOR_TYPE_ENDPOINT, 0);
ep = (struct usb_endpoint_descriptor *)ep_ptr;
if (ep == NULL) {
USB_LOG_ERR("COMP: Failed to find the usb device ep_desc!\n");
return 0;
}
for (int i = 0; i < intf_desc->bNumEndpoints; i++, ep++) {
USB_LOG_DBG("ep_num:%d ep-addr:%#x \n", intf_desc->bNumEndpoints, ep->bEndpointAddress);
if (((ep->bEndpointAddress) & 0x0F) != last_addr)
c->ep_index++;
last_addr = ep->bEndpointAddress & 0x0F;
ep->bEndpointAddress &= 0xF0;
ep->bEndpointAddress |= c->ep_index;
c->func_table[index]->ep[i + c->func_table[index]->ep_num] = ep->bEndpointAddress;
}
c->func_table[index]->ep_num += intf_desc->bNumEndpoints;
} while(intf_desc != NULL);
_finish:
return len;
}
uint8_t *make_comp_desc(uint8_t *dest, struct usbd_comp_desc_t *src)
{
int i, ofs = 0;
/* 1. make device desc */
ofs += make_comp_dev_desc(dest, (uint8_t *)src->dev_desc,
src->dev_desc[0]);
/* 2. make config desc */
ofs += make_comp_cfg_desc(dest + ofs, (uint8_t *)src->cfg_desc,
src->cfg_desc[0]);
/* 3. make intf & ep desc */
for (i = 0; i < MAX_COMPOSITE_DEV; i++) {
if (src->class_desc[i] == NULL || src->class_desc_len[i] == 0)
continue;
ofs += make_comp_intf_ep_desc(dest + ofs, (uint8_t *)src->class_desc[i],
src->class_desc_len[i], i);
}
/* 4. make string desc */
for (i = 0; i < STRING_DESC_NUM; i++) {
memcpy(dest + ofs, (uint8_t *)src->string_desc[i], src->string_desc[i][0]);
ofs += src->string_desc[i][0];
}
#ifdef CONFIG_USB_HS
memcpy(dest + ofs, qualifier_descriptor, sizeof(qualifier_descriptor));
#endif
return dest;
}
void usbd_event_handler(uint8_t event)
{
struct usbd_comp_dev_t *c = get_usbdcomp_dev();
if (usbd_composite_is_inited() == false)
return;
for (int i = 0; i < MAX_COMPOSITE_DEV; i++) {
if (c->func_table[i] == NULL ||
c->func_table[i]->is_loaded != true ||
c->func_table[i]->event_handler == NULL)
continue;
c->func_table[i]->event_handler(event);
}
}
static void usbd_composite_add_intf(void)
{
int ret = 0;
struct usbd_comp_dev_t *c = get_usbdcomp_dev();
for (int i = 0; i < MAX_COMPOSITE_DEV; i++) {
if (c->func_table[i] == NULL ||
c->func_table[i]->is_loaded != true)
continue;
if (c->func_table[i]->comp_class_init_cb != NULL) {
USB_LOG_INFO("COMP: %s device loaded.\n", c->func_table[i]->class_name);
ret = c->func_table[i]->comp_class_init_cb(c->func_table[i]->ep, NULL);
if(ret < 0)
USB_LOG_WRN("COMP: Class %#x initialization falied.\n",
c->func_table[i]->dev_class);
}
}
}
bool usbd_composite_is_inited(void)
{
struct usbd_comp_dev_t *c = get_usbdcomp_dev();
return c->is_finished;
}
uint8_t usbd_composite_set_dev_num(uint8_t num)
{
struct usbd_comp_dev_t *c = get_usbdcomp_dev();
rt_mutex_take(c->usbd_comp_mutex, RT_WAITING_FOREVER);
c->max_dev_num = num;
rt_mutex_release(c->usbd_comp_mutex);
return c->max_dev_num;
}
uint8_t usbd_composite_get_dev_num(void)
{
struct usbd_comp_dev_t *c = get_usbdcomp_dev();
return c->max_dev_num;
}
uint8_t usbd_composite_func_switch(uint8_t index)
{
uint8_t func_cnt = 0;
struct usbd_comp_dev_t *c = get_usbdcomp_dev();
uint8_t temp = index;
if (temp == 0) {
USB_LOG_WRN("Currently USB device does not support table0"
"and automatically switch to table1.\n");
temp = 1;
}
if (temp > (sizeof(g_func_tables) / sizeof(g_func_tables[0]) - 1))
return -1;
while(g_func_tables[temp - 1][func_cnt] != NULL) {
func_cnt++;
}
usbd_composite_set_dev_num(func_cnt);
rt_mutex_take(c->usbd_comp_mutex, RT_WAITING_FOREVER);
c->cur_func_table_index = temp;
c->cur_func_table = g_func_tables[temp - 1];
rt_mutex_release(c->usbd_comp_mutex);
return func_cnt;
}
uint8_t usbd_composite_get_cur_func_table(void)
{
struct usbd_comp_dev_t *c = get_usbdcomp_dev();
return c->cur_func_table_index;
}
int usbd_composite_dev_load(void)
{
struct usbd_comp_dev_t *c = get_usbdcomp_dev();
if (c->comp_desc != NULL)
free_comp_desc();
c->ep_index = 0;
c->intf_index = 0;
c->comp_desc = alloc_comp_desc(&c->desc);
if (c->max_dev_num == 0 || c->dev_num == c->max_dev_num) {
make_comp_desc(c->comp_desc, &c->desc);
usbd_desc_register(c->comp_desc);
usbd_composite_add_intf();
usbd_initialize();
c->is_finished = true;
USB_LOG_INFO("COMP: Composite device loaded.(%d - %d)\n", c->dev_num, c->max_dev_num);
}
return 0;
}
int usbd_composite_dev_unload(void)
{
struct usbd_comp_dev_t *c = get_usbdcomp_dev();
if (c->is_finished == true) {
usbd_deinitialize();
c->is_finished = false;
USB_LOG_INFO("COMP: Composite device unloaded.(%d)\n", c->dev_num);
}
if (c->comp_desc != NULL)
free_comp_desc();
c->ep_index = 0;
c->intf_index = 0;
return 0;
}
int usbd_comp_class_init(char *func_name)
{
int index = -1;
if (false == _check_func_table((char *)func_name))
goto _err;
index = _find_dev_class_byname(func_name);
if (index < 0)
goto _err;
if (g_func_table[index]->is_loaded == true) {
USB_LOG_DBG("The class function has been init.(%s)\n", func_name);
return 0;
}
if (g_func_table[index]->comp_class_init)
return g_func_table[index]->comp_class_init();
_err:
USB_LOG_WRN("The current function does not support loading. (%s)\n", func_name);
return -1;
}
int usbd_comp_class_deinit(char *func_name, void *data)
{
int index = -1;
if (false == _check_func_table((char *)func_name))
goto _err;
index = _find_dev_class_byname(func_name);
if (index < 0)
goto _err;
if (g_func_table[index]->is_loaded == false) {
USB_LOG_WRN("The function has been unloaded.(%s)\n", func_name);
return 0;
}
if (g_func_table[index]->comp_class_deinit)
return g_func_table[index]->comp_class_deinit();
_err:
USB_LOG_WRN("The current function does not support unloading.(%s)\n", func_name);
return -1;
}
#if defined(KERNEL_RTTHREAD)
rt_thread_t usbd_composite_tid;
static void usbd_comp_detection_thread(void *parameter)
{
struct usbd_comp_dev_t *c = get_usbdcomp_dev();
_retry:
rt_thread_mdelay(400);
// Has the composite device been loaded
if (c->is_finished == true)
goto _retry;
rt_mutex_take(c->usbd_comp_mutex, RT_WAITING_FOREVER);
usbd_composite_dev_load();
rt_mutex_release(c->usbd_comp_mutex);
}
int usbd_composite_detection(void)
{
usbd_composite_tid = rt_thread_create("usbd_comp_detection", usbd_comp_detection_thread, RT_NULL,
1024 * 5, RT_THREAD_PRIORITY_MAX - 2, 20);
if (usbd_composite_tid != RT_NULL)
rt_thread_startup(usbd_composite_tid);
else
printf("create usbd_comp_detection thread err!\n");
return RT_EOK;
}
INIT_PREV_EXPORT(usbd_comp_init);
int usbd_compsite_device_stop(void)
{
struct usbd_comp_dev_t *c = get_usbdcomp_dev();
for (int i = 0; i < c->max_dev_num; i++) {
usbd_comp_class_deinit(c->cur_func_table[i], NULL);
}
return 0;
}
int usbd_compsite_device_start(uint8_t index)
{
struct usbd_comp_dev_t *c = get_usbdcomp_dev();
if (c->is_finished) {
usbd_compsite_device_stop();
}
usbd_composite_func_switch(index);
for (int i = 0; i < c->max_dev_num; i++) {
usbd_comp_class_init(c->cur_func_table[i]);
}
return 0;
}
static int usbd_compsite_device_start_default(void)
{
usbd_compsite_device_start(1);
return 0;
}
INIT_APP_EXPORT(usbd_compsite_device_start_default);
#include <finsh.h>
#include <getopt.h>
static void cmd_comp_usage(char *program)
{
printf("Usage: %s [options]\n", program);
printf("\t -l, \tlist all usb composite device.\n");
printf("\t -h ,\tusage\n");
}
static int _list_comp_device_status(void)
{
struct usbd_comp_dev_t *c = get_usbdcomp_dev();
printf("---------------------------------\n");
printf("composite device status -> %s \n", c->is_finished ? "ok" : "no ready");
printf("functions number -> %d / %d \n", c->dev_num, c->max_dev_num);
printf("current enumeration table -> table%d\n", c->cur_func_table_index);
return 0;
}
static int _list_comp_func_tables(void)
{
for (int i = 0; g_func_tables[i] != NULL; i++) {
printf("table%d:", i + 1);
for (int j = 0; g_func_tables[i][j] != NULL; j++) {
printf(" %s", g_func_tables[i][j]);
}
printf("\n");
}
return 0;
}
static int _list_comp_device(void)
{
struct usbd_comp_dev_t *c = get_usbdcomp_dev();
printf("----------------------------------------");
printf("----------------------------------------\n");
printf("| Name\t |\tClass\t|\tActive\t|\tIntf\t|\tEp\t|\n");
for (int i = 0; i < MAX_COMPOSITE_DEV; i++) {
if (c->func_table[i] == NULL)
continue;
if ((char *)c->func_table[i]->class_name != NULL)
printf(" %-7s\t", (char *)c->func_table[i]->class_name);
else
printf("\tno name\t");
printf("\t%#x\t", c->func_table[i]->dev_class);
printf("\t %d\t", c->func_table[i]->is_loaded);
if (!c->func_table[i]->is_loaded) {
printf("\n");
continue;
}
printf("\t");
for (int j = 0; j < c->func_table[i]->intf_num; j++)
printf("%d ", c->func_table[i]->intf[j]);
printf("\t\t");
for (int j = 0; j < c->func_table[i]->ep_num; j++)
printf("%#x ", c->func_table[i]->ep[j]);
printf("\n");
}
printf("----------------------------------------");
printf("----------------------------------------\n");
_list_comp_func_tables();
return 0;
}
static void cmd_test_usb_comp(int argc, char **argv)
{
int opt;
if (argc < 2) {
_list_comp_device_status();
_list_comp_device();
return;
}
optind = 0;
while ((opt = getopt(argc, argv, "lhds:")) != -1) {
switch (opt) {
case 'l':
_list_comp_device_status();
_list_comp_device();
break;
case 's':
usbd_compsite_device_start(strtoul(optarg, NULL, 10));
break;
case 'd':
usbd_compsite_device_stop();
break;
case 'h':
default:
cmd_comp_usage(argv[0]);
break;
}
}
}
MSH_CMD_EXPORT_ALIAS(cmd_test_usb_comp, test_usb_comp, usb composite device test);
#endif
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