Device Descriptor 2.4G Keyboard Mouse
Offset Field Size Value Description
0 bLength 1 12h
1 bDescriptorType 1 01h Device
2 bcdUSB 2 0110h USB Spec 1.1
4 bDeviceClass 1 00h Class info in Ifc Descriptors
5 bDeviceSubClass 1 00h
6 bDeviceProtocol 1 00h
7 bMaxPacketSize0 1 08h 8 bytes
8 idVendor 2 062Ah Creative Labs
10 idProduct 2 4127h
12 bcdDevice 2 0210h 2.10
14 iManufacturer 1 01h "MOSART Semi."
15 iProduct 1 02h "2.4G Keyboard Mouse"
16 iSerialNumber 1 00h
17 bNumConfigurations 1 01h

Configuration Descriptor 1 Bus Powered, 100 mA
Offset Field Size Value Description
0 bLength 1 09h
1 bDescriptorType 1 02h Configuration
2 wTotalLength 2 003Bh
4 bNumInterfaces 1 02h
5 bConfigurationValue 1 01h
6 iConfiguration 1 00h
7 bmAttributes 1 A0h Bus Powered, Remote Wakeup
4..0: Reserved ...00000
5: Remote Wakeup ..1..... Yes
6: Self Powered .0...... No, Bus Powered
7: Reserved (set to one)
(bus-powered for 1.0) 1.......
8 bMaxPower 1 32h 100 mA

Interface Descriptor 0/0 HID, 1 Endpoint
Offset Field Size Value Description
0 bLength 1 09h
1 bDescriptorType 1 04h Interface
2 bInterfaceNumber 1 00h
3 bAlternateSetting 1 00h
4 bNumEndpoints 1 01h
5 bInterfaceClass 1 03h HID
6 bInterfaceSubClass 1 01h Boot Interface
7 bInterfaceProtocol 1 01h Keyboard
8 iInterface 1 00h

HID Descriptor
Offset Field Size Value Description
0 bLength 1 09h
1 bDescriptorType 1 21h HID
2 bcdHID 2 0110h 1.10
4 bCountryCode 1 00h
5 bNumDescriptors 1 01h
6 bDescriptorType 1 22h Report
7 wDescriptorLength 2 0041h 65 bytes

Endpoint Descriptor 81 1 In, Interrupt, 10 ms
Offset Field Size Value Description
0 bLength 1 07h
1 bDescriptorType 1 05h Endpoint
2 bEndpointAddress 1 81h 1 In
3 bmAttributes 1 03h Interrupt
1..0: Transfer Type ......11 Interrupt
7..2: Reserved 000000..
4 wMaxPacketSize 2 0008h 8 bytes
6 bInterval 1 0Ah 10 ms

Interface Descriptor 1/0 HID, 1 Endpoint
Offset Field Size Value Description
0 bLength 1 09h
1 bDescriptorType 1 04h Interface
2 bInterfaceNumber 1 01h
3 bAlternateSetting 1 00h
4 bNumEndpoints 1 01h
5 bInterfaceClass 1 03h HID
6 bInterfaceSubClass 1 01h Boot Interface
7 bInterfaceProtocol 1 02h Mouse
8 iInterface 1 00h

HID Descriptor
Offset Field Size Value Description
0 bLength 1 09h
1 bDescriptorType 1 21h HID
2 bcdHID 2 0110h 1.10
4 bCountryCode 1 00h
5 bNumDescriptors 1 01h
6 bDescriptorType 1 22h Report
7 wDescriptorLength 2 00A8h 168 bytes

Endpoint Descriptor 82 2 In, Interrupt, 4 ms
Offset Field Size Value Description
0 bLength 1 07h
1 bDescriptorType 1 05h Endpoint
2 bEndpointAddress 1 82h 2 In
3 bmAttributes 1 03h Interrupt
1..0: Transfer Type ......11 Interrupt
7..2: Reserved 000000..
4 wMaxPacketSize 2 0007h 7 bytes
6 bInterval 1 04h 4 ms

Interface 0 HID Report Descriptor Keyboard
Item Tag (Value) Raw Data
Usage Page (Generic Desktop) 05 01
Usage (Keyboard) 09 06
Collection (Application) A1 01
Usage Page (Keyboard/Keypad) 05 07
Usage Minimum (Keyboard Left Control) 19 E0
Usage Maximum (Keyboard Right GUI) 29 E7
Logical Minimum (0) 15 00
Logical Maximum (1) 25 01
Report Size (1) 75 01
Report Count (8) 95 08
Input (Data,Var,Abs,NWrp,Lin,Pref,NNul,Bit) 81 02
Report Size (8) 75 08
Report Count (1) 95 01
Input (Cnst,Ary,Abs) 81 01
Report Size (1) 75 01
Report Count (3) 95 03
Usage Page (LEDs) 05 08
Usage Minimum (Num Lock) 19 01
Usage Maximum (Scroll Lock) 29 03
Output (Data,Var,Abs,NWrp,Lin,Pref,NNul,NVol,Bit) 91 02
Report Size (1) 75 01
Report Count (5) 95 05
Output (Cnst,Ary,Abs,NWrp,Lin,Pref,NNul,NVol,Bit) 91 01
Report Size (8) 75 08
Report Count (6) 95 06
Logical Minimum (0) 15 00
Logical Maximum (255) 26 FF 00
Usage Page (Keyboard/Keypad) 05 07
Usage Minimum (Undefined) 19 00
Usage Maximum 2A FF 00
Input (Data,Ary,Abs) 81 00
End Collection C0

Interface 1 HID Report Descriptor Mouse
Item Tag (Value) Raw Data
Usage Page (Generic Desktop) 05 01
Usage (Mouse) 09 02
Collection (Application) A1 01
Report ID (3) 85 03
Usage (Pointer) 09 01
Collection (Physical) A1 00
Usage Page (Button) 05 09
Usage Minimum (Button 1) 19 01
Usage Maximum (Button 5) 29 05
Logical Minimum (0) 15 00
Logical Maximum (1) 25 01
Report Size (1) 75 01
Report Count (5) 95 05
Input (Data,Var,Abs,NWrp,Lin,Pref,NNul,Bit) 81 02
Report Size (3) 75 03
Report Count (1) 95 01
Input (Cnst,Ary,Abs) 81 01
Usage Page (Generic Desktop) 05 01
Usage (X) 09 30
Usage (Y) 09 31
Logical Minimum (-2047) 16 01 F8
Logical Maximum (2047) 26 FF 07
Report Size (12) 75 0C
Report Count (2) 95 02
Input (Data,Var,Rel,NWrp,Lin,Pref,NNul,Bit) 81 06
Usage (Wheel) 09 38
Logical Minimum (-127) 15 81
Logical Maximum (127) 25 7F
Report Size (8) 75 08
Report Count (1) 95 01
Input (Data,Var,Rel,NWrp,Lin,Pref,NNul,Bit) 81 06
End Collection C0
Usage Page (Consumer Devices) 05 0C
Logical Minimum (-127) 15 81
Logical Maximum (127) 25 7F
Report Size (8) 75 08
Report Count (1) 95 01
Usage (AC Pan) 0A 38 02
Input (Data,Var,Rel,NWrp,Lin,Pref,NNul,Bit) 81 06
End Collection C0
Usage Page (Consumer Devices) 05 0C
Usage (Consumer Control) 09 01
Collection (Application) A1 01
Report ID (1) 85 01
Usage Minimum (Undefined) 19 00
Usage Maximum 2A 80 03
Logical Minimum (0) 15 00
Logical Maximum (896) 26 80 03
Report Size (16) 75 10
Report Count (1) 95 01
Input (Data,Ary,Abs) 81 00
End Collection C0
Usage Page (Generic Desktop) 05 01
Usage (System Control) 09 80
Collection (Application) A1 01
Report ID (2) 85 02
Usage Minimum (System Power Down) 19 81
Usage Maximum (System Wake Up) 29 83
Logical Maximum (1) 25 01
Report Size (1) 75 01
Report Count (3) 95 03
Input (Data,Var,Abs,NWrp,Lin,Pref,NNul,Bit) 81 02
Report Count (5) 95 05
Input (Cnst,Ary,Abs) 81 01
End Collection C0
Usage Page 06 F2 F1
Usage 0A F2 F1
Collection (Application) A1 01
Report ID (5) 85 05
Usage 09 00
Report Count (6) 95 06
Report Size (8) 75 08
Logical Minimum (0) 15 00
Logical Maximum (255) 26 FF 00
Output (Data,Var,Abs,NWrp,Lin,Pref,NNul,NVol,Bit) 91 02
Usage 09 00
Report Count (5) 95 05
Report Size (8) 75 08
Logical Minimum (0) 15 00
Logical Maximum (255) 26 FF 00
Input (Data,Var,Abs,NWrp,Lin,Pref,NNul,Bit) 81 02
End Collection C0

int emuerateDevice(usb_module_t *port, usbhQueueHead_t *usb_qh_ep0, usbDeviceDescriptor_t *device_descriptor,uint8_t *config_descriptor,uint8_t *interface_descriptor,
uint8_t *hid_descriptor,uint8_t *ep_descriptor,uint8_t *report_descriptor )
{
usbh_bus_reset(port);
hal_delay_us(500);
//printf("Device reset.\n");
/*!
* Read the first 8 bytes of the device descriptor as we do not yet know the max packet size\n
* Our new device has address 0 at this time.
*/

usbh_get_dev_desc(port, usb_qh_ep0, device_descriptor);
/*!
* Update the maximum packet size in the queue head
*/

// Stop schedule to avoid contention with controller
usbh_disable_asynchronous_schedule(port);
// printf("Device 2\n");

/* Set the max packet size in the QH to the max packet size in the device descriptor */
usb_qh_ep0->endpointCharacteristics = ((usb_qh_ep0->endpointCharacteristics & ~USB_QH_EP_CHAR_MAX_PACKET(0x7FF))
| USB_QH_EP_CHAR_MAX_PACKET(device_descriptor->bMaxPacketSize));


usb_qh_ep0->endpointCharacteristics &= ~(0x7FF << 16); // clear max packet size
usb_qh_ep0->endpointCharacteristics |= ((uint32_t)(device_descriptor->bMaxPacketSize)) << 16;

// Restart asynchronous schedule
usbh_enable_asynchronous_schedule(port);

/* Send set address command */
usbh_set_device_address(port, usb_qh_ep0, DEVICE_ADDRESS);

/* Read in the full device descriptor */
usbh_get_dev_desc(port, usb_qh_ep0, device_descriptor);

/* Read in the configuration descriptor */
usbh_get_config_desc(port, usb_qh_ep0, config_descriptor);
/* Read in the interface, HID, and endpoint descriptors */
usbh_get_interface_desc(port, usb_qh_ep0, interface_descriptor,hid_descriptor,ep_descriptor);

/* Test the interface descriptor parameters to check if the attached
* device is in the HID class and that it is also a mouse.
*/

/*
if( (interface_descriptor[5] != 0x3) | (interface_descriptor[7] != 0x2))
{
//printf("Device enumerated.\n");
return 0; // not a mouse; return
}
*/
/* Set the configuration for the device */
/* We already know the device is a USB mouse, so there is only one possible
* configuration for the device.
*/

// Эт строка для смены интерфейса
usbh_set_interface_desc(port, usb_qh_ep0, DEVICE_ADDRESS);
usbh_set_configuration(port, usb_qh_ep0, CONFIG_VALUE);
usbh_get_report_desc(port, usb_qh_ep0, report_descriptor);
return 1;
}



//сама процедура, по логике интерфейс должен измениться на 1 с 0го, но по факту ничего не работает


void usbh_set_interface_desc(usb_module_t *port, usbhQueueHead_t *usb_qh_ep0, uint32_t device_address)
{
usbhTransferDescriptor_t * usb_qtd1, *usb_qtd2;
uint32_t temp;
//uint32_t usbhSetupCommand[2];
uint32_t core = (uint32_t)port->controllerID;

usbhSetupCommand[0] = 0x00011100;
usbhSetupCommand[1] = 0x00000001;

usb_qtd1 = usbh_qtd_init(0x8, 0, SETUP_PID, usbhSetupCommand);
usb_qtd2 = usbh_qtd_init(0x0, 1, IN_PID, 0);

usb_qtd1->nextQtd = (uint32_t)usb_qtd2;
TmpUSB_wait=0;
while(usb_qh_ep0->qtdToken & 0x80) /* wait for active bit to clear */
{if (TmpUSB_wait++>100000) break;}
/* Point the QH to the linked list of qTDs */
usb_qh_ep0->nextQtd = (uint32_t)usb_qtd1;

/* Wait for transaction to complete and clear interrpt flag */
#ifdef USB_USE_INT
while (usb_utmi_int_flag == 0);
usb_utmi_int_flag = 0;
#else
TmpUSB_wait=0;
while(!(HW_USBC_USBSTS_RD(core) & BM_USBC_UH1_USBSTS_UI))
{if (TmpUSB_wait++>100000) break;}
HW_USBC_USBSTS_WR(core, HW_USBC_USBSTS_RD(core) | BM_USBC_UH1_USBSTS_UI);
#endif

/* Wait until the active bit is cleared in the last qtd. */
TmpUSB_wait=0;
while(usb_qtd2->qtdToken & 0x80)
{if (TmpUSB_wait++>100000) break;}

/* Check for errors */
if(HW_USBC_USBSTS_RD(core) & BM_USBC_UH1_USBSTS_UEI)
{
printf("ERROR!!!\n");
temp = *(uint32_t *)((HW_USBC_ASYNCLISTADDR_RD(core)) + 0x18);
printf("qTD status = 0x%08x\n",temp);
}
else
{
printf("Set configuration command complete!!\n\n");
#ifdef DEBUG_PRINT
//printf("USBSTS = 0x%08x\n",(HW_USBC_USBSTS_RD(core)));
#endif
}
/* Clear the USB error bit */
HW_USBC_USBSTS_WR(core, HW_USBC_USBSTS_RD(core) | BM_USBC_UH1_USBSTS_UEI);

}

usb_port_speed = usb_get_port_speed(usbhModule);


/*!
* Create a QueueHead to use for EndPoint0. This single QH will be the\n
* asynchronous schedule during enumeration.
*/
usbhMouse->usb_qh_ep0 = NULL;
switch (usb_port_speed)
{
case usbSpeedFull:
usbhMouse->usb_qh_ep0 = usbh_qh_init(0x40, 1, EPS_FULL, 0, 0, 0);
// printf("Device connected at FULL speed\n");
break;
case usbSpeedLow:
usbhMouse->usb_qh_ep0 = usbh_qh_init(0x8, 1, EPS_LOW, 0, 0, 0);
// printf("Device connected at LOW speed\n");
break;
case usbSpeedHigh:
usbhMouse->usb_qh_ep0 = usbh_qh_init(0x40, 1, EPS_HIGH, 0, 0, 0);
// printf("Device connected at HIGH speed\n");
break;
default :
break; //error! restart host...
}

if (usbhMouse->usb_qh_ep0==NULL) {usbhMouse->hid_status=0;return;}


// Put this queue head on the Asynchronous Schedule.\n
// This is our first queue head on the AS so we point the controller to this QH\n
//Any further queue heads will be linked to this HQ.


HW_USBC_ASYNCLISTADDR_WR(usbhMouse->usb_core, (uint32_t)usbhMouse->usb_qh_ep0);


//! Enable the asynchronous schedule
usbh_enable_asynchronous_schedule(usbhModule);


//! Enumerate the attached device

// printf("\n enumeration...\n");

if (emuerateDevice(usbhModule, usbhMouse->usb_qh_ep0, usbhMouse->device_descriptor, usbhMouse->config_descriptor,
usbhMouse->interface_descriptor,usbhMouse->hid_descriptor, usbhMouse->ep_descriptor, usbhMouse->report_descriptor )) ;
// printf("USB mouse enumerated!!\n");
else
{
//printf("\nDevice is not a mouse. No further processing is performed\n");
usbhMouse->hid_status=2; //device unknown, detach required!
return;

}



// printf("Move mouse, and the mouse reports will be printed on the terminal.\n Press left button to exit.\n");

//! if we have a mouse connected.
//! Initialize the periodic schedule for the interrupt endpoint
if (usbhMouse->hid_num==0)
{
xmemset(frame_list1, 0, sizeof(frame_list1));
periodic_base = usbh_periodic_schedule_init(usbhModule, FRAME_LIST_SIZE, (&frame_list1[0]));
}
else
{
xmemset(frame_list2, 0, sizeof(frame_list2));
periodic_base = usbh_periodic_schedule_init(usbhModule, FRAME_LIST_SIZE, (&frame_list2[0]));
}

//! Create a queue head for endpoint 1

usbhMouse->usb_qh_ep1 = usbh_qh_init(0x8,0, EPS_LOW,1,DEVICE_ADDRESS,1);

//! - Invalidate the QH horizontal pointer since the init function will point the QH back to itself.
usbhMouse->usb_qh_ep1->queueHeadLinkPointer |= USB_QH_LINK_PTR_T;

/* This version of the code just polls the mouse once per iteration of
* the frame list. The polling rate can be adjusted changing the size
* of the frame list and/or pointing more of the frame list entries
* to the interrupt QH.
*/

//! - Put the queue head on the periodic schedule
*(uint32_t *)(periodic_base) = (uint32_t)usbhMouse->usb_qh_ep1 + 0x002;

/*
* Initialize the amount of data to receive. In this case we will
* receive 20 packets per loop. ep_desc[04] inidicates the size of
* each packet. So transfer_size = 20 * ep_desc[04].
*/
usbhMouse->int_packet_size = usbhMouse->ep_descriptor[04];
usbhMouse->int_transfer_size = 20 * usbhMouse->int_packet_size;

//! Create a qTD to transfer 20 packets worth of data
usbhMouse->int_qtd = usbh_qtd_init(usbhMouse->int_transfer_size, 1, IN_PID, (uint32_t*) usbhMouse->usbhMouseData);

//! Activate the queue head to start polling the device
/*
* This while(1) loop will allow for continuously receiving mouse data. Some
* packets could be lost due to the time needed to reinitialize the qTD for the
* next batch of transfers. So a more correct way to do this would be to create
* multiple qTDs and rotate them for each iteration of the loop. For a mouse
* application some data loss is acceptable, so only one qTD is used.
*/
usbhMouse->usb_qh_ep1->nextQtd = (uint32_t) usbhMouse->int_qtd;
usbhMouse->bytes_received = 0;
usbhMouse->hid_status=3; //mouse installed!
}
else return; //device not attach
}
if (usbhMouse->hid_status==2)
{
//printf("\nDevice is not a mouse. No further processing is performed\n");
if (HW_USBC_PORTSC1_RD(usbhMouse->usb_core) & BM_USBC_UH1_PORTSC1_CCS);
else usbhMouse->hid_status=0;
}