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/*
* Copyright (c) 2025 sakumisu
*
* SPDX-License-Identifier: Apache-2.0
*
*/
#include "usbd_core.h"
#include "usbd_mtp.h"
#if 1
#error "commercial charge"
#endif
#ifndef CONFIG_USBDEV_MTP_THREAD
#warning mtp depends on filesystem, suggest to enable CONFIG_USBDEV_MTP_THREAD
#endif
#define WCID_VENDOR_CODE 0x01
__ALIGN_BEGIN const uint8_t WCID_StringDescriptor_MSOS[18] __ALIGN_END = {
///////////////////////////////////////
/// MS OS string descriptor
///////////////////////////////////////
0x12, /* bLength */
USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
/* MSFT100 */
'M', 0x00, 'S', 0x00, 'F', 0x00, 'T', 0x00, /* wcChar_7 */
'1', 0x00, '0', 0x00, '0', 0x00, /* wcChar_7 */
WCID_VENDOR_CODE, /* bVendorCode */
0x00, /* bReserved */
};
__ALIGN_BEGIN const uint8_t WINUSB_WCIDDescriptor[40] __ALIGN_END = {
///////////////////////////////////////
/// WCID descriptor
///////////////////////////////////////
0x28, 0x00, 0x00, 0x00, /* dwLength */
0x00, 0x01, /* bcdVersion */
0x04, 0x00, /* wIndex */
0x01, /* bCount */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* bReserved_7 */
///////////////////////////////////////
/// WCID function descriptor
///////////////////////////////////////
0x00, /* bFirstInterfaceNumber */
0x01, /* bReserved */
/* MTP */
'M', 'T', 'P', 0x00, 0x00, 0x00, 0x00, 0x00, /* cCID_8 */
/* */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* cSubCID_8 */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* bReserved_6 */
};
__ALIGN_BEGIN const uint8_t WINUSB_IF0_WCIDProperties[142] __ALIGN_END = {
///////////////////////////////////////
/// WCID property descriptor
///////////////////////////////////////
0x8e, 0x00, 0x00, 0x00, /* dwLength */
0x00, 0x01, /* bcdVersion */
0x05, 0x00, /* wIndex */
0x01, 0x00, /* wCount */
///////////////////////////////////////
/// registry propter descriptor
///////////////////////////////////////
0x84, 0x00, 0x00, 0x00, /* dwSize */
0x01, 0x00, 0x00, 0x00, /* dwPropertyDataType */
0x28, 0x00, /* wPropertyNameLength */
/* DeviceInterfaceGUID */
'D', 0x00, 'e', 0x00, 'v', 0x00, 'i', 0x00, /* wcName_20 */
'c', 0x00, 'e', 0x00, 'I', 0x00, 'n', 0x00, /* wcName_20 */
't', 0x00, 'e', 0x00, 'r', 0x00, 'f', 0x00, /* wcName_20 */
'a', 0x00, 'c', 0x00, 'e', 0x00, 'G', 0x00, /* wcName_20 */
'U', 0x00, 'I', 0x00, 'D', 0x00, 0x00, 0x00, /* wcName_20 */
0x4e, 0x00, 0x00, 0x00, /* dwPropertyDataLength */
/* {1D4B2365-4749-48EA-B38A-7C6FDDDD7E26} */
'{', 0x00, '1', 0x00, 'D', 0x00, '4', 0x00, /* wcData_39 */
'B', 0x00, '2', 0x00, '3', 0x00, '6', 0x00, /* wcData_39 */
'5', 0x00, '-', 0x00, '4', 0x00, '7', 0x00, /* wcData_39 */
'4', 0x00, '9', 0x00, '-', 0x00, '4', 0x00, /* wcData_39 */
'8', 0x00, 'E', 0x00, 'A', 0x00, '-', 0x00, /* wcData_39 */
'B', 0x00, '3', 0x00, '8', 0x00, 'A', 0x00, /* wcData_39 */
'-', 0x00, '7', 0x00, 'C', 0x00, '6', 0x00, /* wcData_39 */
'F', 0x00, 'D', 0x00, 'D', 0x00, 'D', 0x00, /* wcData_39 */
'D', 0x00, '7', 0x00, 'E', 0x00, '2', 0x00, /* wcData_39 */
'6', 0x00, '}', 0x00, 0x00, 0x00, /* wcData_39 */
};
const uint8_t bos_descriptor[] = {
0x05, 0x0f, 0x16, 0x00, 0x02,
0x07, 0x10, 0x02, 0x06, 0x00, 0x00, 0x00,
0x0a, 0x10, 0x03, 0x00, 0x0f, 0x00, 0x01, 0x01, 0xf4, 0x01
};
/*!< endpoint address */
#define MTP_IN_EP 0x81
#define MTP_OUT_EP 0x02
#define MTP_INT_EP 0x83
/*!< config descriptor size */
#define USB_CONFIG_SIZE (9 + MTP_DESCRIPTOR_LEN)
static const uint8_t device_descriptor[] = {
USB_DEVICE_DESCRIPTOR_INIT(USB_2_0, 0x00, 0x00, 0x00, USBD_VID, USBD_PID, 0x0201, 0x01)
};
static const uint8_t config_descriptor_hs[] = {
USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x01, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
MTP_DESCRIPTOR_INIT(0x00, MTP_OUT_EP, MTP_IN_EP, MTP_INT_EP, USB_BULK_EP_MPS_HS, 0x02),
};
static const uint8_t config_descriptor_fs[] = {
USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x01, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
MTP_DESCRIPTOR_INIT(0x00, MTP_OUT_EP, MTP_IN_EP, MTP_INT_EP, USB_BULK_EP_MPS_FS, 0x02),
};
static const uint8_t device_quality_descriptor[] = {
USB_DEVICE_QUALIFIER_DESCRIPTOR_INIT(USB_2_0, 0x00, 0x00, 0x00, 0x01),
};
static const uint8_t other_speed_config_descriptor_hs[] = {
USB_OTHER_SPEED_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x01, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
MTP_DESCRIPTOR_INIT(0x00, MTP_OUT_EP, MTP_IN_EP, MTP_INT_EP, USB_BULK_EP_MPS_FS, 0x02),
};
static const uint8_t other_speed_config_descriptor_fs[] = {
USB_OTHER_SPEED_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x01, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
MTP_DESCRIPTOR_INIT(0x00, MTP_OUT_EP, MTP_IN_EP, MTP_INT_EP, USB_BULK_EP_MPS_HS, 0x02),
};
static const char *string_descriptors[] = {
(const char[]){ 0x09, 0x04 }, /* Langid */
"CherryUSB", /* Manufacturer */
"CherryUSB MTP DEMO", /* Product */
"2025053000", /* Serial Number */
};
static const uint8_t *device_descriptor_callback(uint8_t speed)
{
(void)speed;
return device_descriptor;
}
static const uint8_t *config_descriptor_callback(uint8_t speed)
{
if (speed == USB_SPEED_HIGH) {
return config_descriptor_hs;
} else if (speed == USB_SPEED_FULL) {
return config_descriptor_fs;
} else {
return NULL;
}
}
static const uint8_t *device_quality_descriptor_callback(uint8_t speed)
{
(void)speed;
return device_quality_descriptor;
}
static const uint8_t *other_speed_config_descriptor_callback(uint8_t speed)
{
if (speed == USB_SPEED_HIGH) {
return other_speed_config_descriptor_hs;
} else if (speed == USB_SPEED_FULL) {
return other_speed_config_descriptor_fs;
} else {
return NULL;
}
}
static const char *string_descriptor_callback(uint8_t speed, uint8_t index)
{
(void)speed;
if (index >= (sizeof(string_descriptors) / sizeof(char *))) {
return NULL;
}
return string_descriptors[index];
}
const uint8_t *WINUSB_IFx_WCIDProperties[] = {
WINUSB_IF0_WCIDProperties,
};
struct usb_msosv1_descriptor msosv1_desc = {
.string = WCID_StringDescriptor_MSOS,
.vendor_code = WCID_VENDOR_CODE,
.compat_id = WINUSB_WCIDDescriptor,
.comp_id_property = WINUSB_IFx_WCIDProperties,
};
const struct usb_bos_descriptor bos_desc = {
.string = bos_descriptor,
.string_len = 22
};
const struct usb_descriptor mtp_descriptor = {
.device_descriptor_callback = device_descriptor_callback,
.config_descriptor_callback = config_descriptor_callback,
.device_quality_descriptor_callback = device_quality_descriptor_callback,
.other_speed_descriptor_callback = other_speed_config_descriptor_callback,
.string_descriptor_callback = string_descriptor_callback,
.bos_descriptor = &bos_desc,
.msosv1_descriptor = &msosv1_desc,
};
static void usbd_event_handler(uint8_t busid, uint8_t event)
{
switch (event) {
case USBD_EVENT_RESET:
break;
case USBD_EVENT_CONNECTED:
break;
case USBD_EVENT_DISCONNECTED:
break;
case USBD_EVENT_RESUME:
break;
case USBD_EVENT_SUSPEND:
break;
case USBD_EVENT_CONFIGURED:
break;
case USBD_EVENT_SET_REMOTE_WAKEUP:
break;
case USBD_EVENT_CLR_REMOTE_WAKEUP:
break;
default:
break;
}
}
static struct usbd_interface intf0;
extern void usbd_mtp_mount();
void mtp_init(uint8_t busid, uint32_t reg_base)
{
usbd_mtp_mount();
usbd_desc_register(busid, &mtp_descriptor);
usbd_add_interface(busid, usbd_mtp_init_intf(&intf0, MTP_OUT_EP, MTP_IN_EP, MTP_INT_EP));
usbd_initialize(busid, reg_base, usbd_event_handler);
}
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