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usb_desc.c
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usb_desc.c
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#include "usb_lib.h"
#include "usb_desc.h"
/* USB Standard Device Descriptor */
const uint8_t Virtual_Com_Port_DeviceDescriptor[] =
{
0x12, /* bLength */
USB_DEVICE_DESCRIPTOR_TYPE, /* bDescriptorType */
0x00,
0x02, /* bcdUSB = 2.00 */
0xEF, /* bDeviceClass: IAD */
0x02, /* bDeviceSubClass */
0x01, /* bDeviceProtocol */
0x40, /* bMaxPacketSize0 */
0x02,
0xFF, /* idVendor = 0xFF02 */
0x04,
0x00, /* idProduct = 0x0004 */
0x00,
0x02, /* bcdDevice = 2.00 */
1, /* Index of string descriptor describing manufacturer */
2, /* Index of string descriptor describing product */
3, /* Index of string descriptor describing the device's serial number */
0x01 /* bNumConfigurations */
};
const uint8_t Virtual_Com_Port_ConfigDescriptor[] =
{
/*Configuation Descriptor*/
0x09, /* bLength: Configuation Descriptor size */
USB_CONFIGURATION_DESCRIPTOR_TYPE, /* bDescriptorType: Configuration */
VIRTUAL_COM_PORT_SIZ_CONFIG_DESC, /* wTotalLength:no of returned bytes */
0x00,
0x06, /* bNumInterfaces: 4 interface */
0x01, /* bConfigurationValue: Configuration value */
0x00, /* iConfiguration: Index of string descriptor describing the configuration */
0xC0, /* bmAttributes: self powered */
0x32, /* MaxPower 100 mA */
// IAD COM1
0x08, // bLength: Interface Descriptor size
0x0B, // bDescriptorType: IAD
0x00, // bFirstInterface
0x02, // bInterfaceCount
0x02, // bFunctionClass: CDC
0x02, // bFunctionSubClass
0x01, // bFunctionProtocol
0x02, // iFunction
/*Interface Descriptor*/
0x09, /* bLength: Interface Descriptor size */
USB_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType: Interface */
/* Interface descriptor type */
0x00, /* bInterfaceNumber: Number of Interface */
0x00, /* bAlternateSetting: Alternate setting */
0x01, /* bNumEndpoints: One endpoints used */
0x02, /* bInterfaceClass: Communication Interface Class */
0x02, /* bInterfaceSubClass: Abstract Control Model */
0x01, /* bInterfaceProtocol: Common AT commands */
0x00, /* iInterface: */
/*Header Functional Descriptor*/
0x05, /* bLength: Endpoint Descriptor size */
0x24, /* bDescriptorType: CS_INTERFACE */
0x00, /* bDescriptorSubtype: Header Func Desc */
0x10, /* bcdCDC: spec release number */
0x01,
/*Call Managment Functional Descriptor*/
0x05, /* bFunctionLength */
0x24, /* bDescriptorType: CS_INTERFACE */
0x01, /* bDescriptorSubtype: Call Management Func Desc */
0x00, /* bmCapabilities: D0+D1 */
0x01, /* bDataInterface: 1 */
/*ACM Functional Descriptor*/
0x04, /* bFunctionLength */
0x24, /* bDescriptorType: CS_INTERFACE */
0x02, /* bDescriptorSubtype: Abstract Control Management desc */
0x02, /* bmCapabilities */
/*Union Functional Descriptor*/
0x05, /* bFunctionLength */
0x24, /* bDescriptorType: CS_INTERFACE */
0x06, /* bDescriptorSubtype: Union func desc */
0x00, /* bMasterInterface: Communication class interface */
0x01, /* bSlaveInterface0: Data Class Interface */
/*Endpoint 2 Descriptor*/
0x07, /* bLength: Endpoint Descriptor size */
USB_ENDPOINT_DESCRIPTOR_TYPE, /* bDescriptorType: Endpoint */
0x81, /* bEndpointAddress: (IN2) */
0x03, /* bmAttributes: Interrupt */
VIRTUAL_COM_PORT_INT_SIZE, /* wMaxPacketSize: */
0x00,
0xFF, /* bInterval: */
/*Data class interface descriptor*/
0x09, /* bLength: Endpoint Descriptor size */
USB_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType: */
0x01, /* bInterfaceNumber: Number of Interface */
0x00, /* bAlternateSetting: Alternate setting */
0x02, /* bNumEndpoints: Two endpoints used */
0x0A, /* bInterfaceClass: CDC */
0x00, /* bInterfaceSubClass: */
0x00, /* bInterfaceProtocol: */
0x00, /* iInterface: */
/*Endpoint 3 Descriptor*/
0x07, /* bLength: Endpoint Descriptor size */
USB_ENDPOINT_DESCRIPTOR_TYPE, /* bDescriptorType: Endpoint */
0x02, /* bEndpointAddress: (OUT2) */
0x02, /* bmAttributes: Bulk */
VIRTUAL_COM_PORT_DATA_SIZE, /* wMaxPacketSize: */
0x00,
0x00, /* bInterval: ignore for Bulk transfer */
/*Endpoint 1 Descriptor*/
0x07, /* bLength: Endpoint Descriptor size */
USB_ENDPOINT_DESCRIPTOR_TYPE, /* bDescriptorType: Endpoint */
0x82, /* bEndpointAddress: (IN2) */
0x02, /* bmAttributes: Bulk */
VIRTUAL_COM_PORT_DATA_SIZE, /* wMaxPacketSize: */
0x00,
0x00, /* bInterval */
// IAD COM2
0x08, // bLength: Interface Descriptor size
0x0B, // bDescriptorType: IAD
0x02, // bFirstInterface
0x02, // bInterfaceCount
0x02, // bFunctionClass: CDC
0x02, // bFunctionSubClass
0x01, // bFunctionProtocol
0x02, // iFunction
/*Interface Descriptor*/
0x09, /* bLength: Interface Descriptor size */
USB_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType: Interface */
/* Interface descriptor type */
0x02, /* bInterfaceNumber: Number of Interface */
0x00, /* bAlternateSetting: Alternate setting */
0x01, /* bNumEndpoints: One endpoints used */
0x02, /* bInterfaceClass: Communication Interface Class */
0x02, /* bInterfaceSubClass: Abstract Control Model */
0x01, /* bInterfaceProtocol: Common AT commands */
0x00, /* iInterface: */
/*Header Functional Descriptor*/
0x05, /* bLength: Endpoint Descriptor size */
0x24, /* bDescriptorType: CS_INTERFACE */
0x00, /* bDescriptorSubtype: Header Func Desc */
0x10, /* bcdCDC: spec release number */
0x01,
/*Call Managment Functional Descriptor*/
0x05, /* bFunctionLength */
0x24, /* bDescriptorType: CS_INTERFACE */
0x01, /* bDescriptorSubtype: Call Management Func Desc */
0x00, /* bmCapabilities: D0+D1 */
0x03, /* !! bDataInterface: */
/*ACM Functional Descriptor*/
0x04, /* bFunctionLength */
0x24, /* bDescriptorType: CS_INTERFACE */
0x02, /* bDescriptorSubtype: Abstract Control Management desc */
0x02, /* bmCapabilities */
/*Union Functional Descriptor*/
0x05, /* bFunctionLength */
0x24, /* bDescriptorType: CS_INTERFACE */
0x06, /* bDescriptorSubtype: Union func desc */
0x02, /* !! bMasterInterface: Communication class interface */
0x03, /* !! bSlaveInterface0: Data Class Interface */
/*Endpoint 2 Descriptor*/
0x07, /* bLength: Endpoint Descriptor size */
USB_ENDPOINT_DESCRIPTOR_TYPE, /* bDescriptorType: Endpoint */
0x83, /* bEndpointAddress: (IN2) */
0x03, /* bmAttributes: Interrupt */
VIRTUAL_COM_PORT_INT_SIZE, /* wMaxPacketSize: */
0x00,
0xFF, /* bInterval: */
/*Data class interface descriptor*/
0x09, /* bLength: Endpoint Descriptor size */
USB_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType: */
0x03, /* bInterfaceNumber: Number of Interface */
0x00, /* bAlternateSetting: Alternate setting */
0x02, /* bNumEndpoints: Two endpoints used */
0x0A, /* bInterfaceClass: CDC */
0x00, /* bInterfaceSubClass: */
0x00, /* bInterfaceProtocol: */
0x00, /* iInterface: */
/*Endpoint 3 Descriptor*/
0x07, /* bLength: Endpoint Descriptor size */
USB_ENDPOINT_DESCRIPTOR_TYPE, /* bDescriptorType: Endpoint */
0x04, /* bEndpointAddress: (OUT3) */
0x02, /* bmAttributes: Bulk */
VIRTUAL_COM_PORT_DATA_SIZE, /* wMaxPacketSize: */
0x00,
0x00, /* bInterval: ignore for Bulk transfer */
/*Endpoint 1 Descriptor*/
0x07, /* bLength: Endpoint Descriptor size */
USB_ENDPOINT_DESCRIPTOR_TYPE, /* bDescriptorType: Endpoint */
0x84, /* bEndpointAddress: (IN1) */
0x02, /* bmAttributes: Bulk */
VIRTUAL_COM_PORT_DATA_SIZE, /* wMaxPacketSize: */
0x00,
0x00, /* bInterval */
// IAD COM3
0x08, // bLength: Interface Descriptor size
0x0B, // bDescriptorType: IAD
0x04, // bFirstInterface
0x02, // bInterfaceCount
0x02, // bFunctionClass: CDC
0x02, // bFunctionSubClass
0x01, // bFunctionProtocol
0x02, // iFunction
/*Interface Descriptor*/
0x09, /* bLength: Interface Descriptor size */
USB_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType: Interface */
/* Interface descriptor type */
0x04, /* bInterfaceNumber: Number of Interface */
0x00, /* bAlternateSetting: Alternate setting */
0x01, /* bNumEndpoints: One endpoints used */
0x02, /* bInterfaceClass: Communication Interface Class */
0x02, /* bInterfaceSubClass: Abstract Control Model */
0x01, /* bInterfaceProtocol: Common AT commands */
0x00, /* iInterface: */
/*Header Functional Descriptor*/
0x05, /* bLength: Endpoint Descriptor size */
0x24, /* bDescriptorType: CS_INTERFACE */
0x00, /* bDescriptorSubtype: Header Func Desc */
0x10, /* bcdCDC: spec release number */
0x01,
/*Call Managment Functional Descriptor*/
0x05, /* bFunctionLength */
0x24, /* bDescriptorType: CS_INTERFACE */
0x01, /* bDescriptorSubtype: Call Management Func Desc */
0x00, /* bmCapabilities: D0+D1 */
0x05, /* !! bDataInterface: */
/*ACM Functional Descriptor*/
0x04, /* bFunctionLength */
0x24, /* bDescriptorType: CS_INTERFACE */
0x02, /* bDescriptorSubtype: Abstract Control Management desc */
0x02, /* bmCapabilities */
/*Union Functional Descriptor*/
0x05, /* bFunctionLength */
0x24, /* bDescriptorType: CS_INTERFACE */
0x06, /* bDescriptorSubtype: Union func desc */
0x04, /* !! bMasterInterface: Communication class interface */
0x05, /* !! bSlaveInterface0: Data Class Interface */
/*Endpoint 2 Descriptor*/
0x07, /* bLength: Endpoint Descriptor size */
USB_ENDPOINT_DESCRIPTOR_TYPE, /* bDescriptorType: Endpoint */
0x85, /* bEndpointAddress: (IN2) */
0x03, /* bmAttributes: Interrupt */
VIRTUAL_COM_PORT_INT_SIZE, /* wMaxPacketSize: */
0x00,
0xFF, /* bInterval: */
/*Data class interface descriptor*/
0x09, /* bLength: Endpoint Descriptor size */
USB_INTERFACE_DESCRIPTOR_TYPE, /* bDescriptorType: */
0x05, /* bInterfaceNumber: Number of Interface */
0x00, /* bAlternateSetting: Alternate setting */
0x02, /* bNumEndpoints: Two endpoints used */
0x0A, /* bInterfaceClass: CDC */
0x00, /* bInterfaceSubClass: */
0x00, /* bInterfaceProtocol: */
0x00, /* iInterface: */
/*Endpoint 3 Descriptor*/
0x07, /* bLength: Endpoint Descriptor size */
USB_ENDPOINT_DESCRIPTOR_TYPE, /* bDescriptorType: Endpoint */
0x06, /* bEndpointAddress: (OUT3) */
0x02, /* bmAttributes: Bulk */
VIRTUAL_COM_PORT_DATA_SIZE, /* wMaxPacketSize: */
0x00,
0x00, /* bInterval: ignore for Bulk transfer */
/*Endpoint 1 Descriptor*/
0x07, /* bLength: Endpoint Descriptor size */
USB_ENDPOINT_DESCRIPTOR_TYPE, /* bDescriptorType: Endpoint */
0x86, /* bEndpointAddress: (IN3) */
0x02, /* bmAttributes: Bulk */
VIRTUAL_COM_PORT_DATA_SIZE, /* wMaxPacketSize: */
0x00,
0x00 /* bInterval */
};
/* USB String Descriptors */
const uint8_t Virtual_Com_Port_StringLangID[VIRTUAL_COM_PORT_SIZ_STRING_LANGID] =
{
VIRTUAL_COM_PORT_SIZ_STRING_LANGID,
USB_STRING_DESCRIPTOR_TYPE,
0x09,
0x04 /* LangID = 0x0409: U.S. English */
};
const uint8_t Virtual_Com_Port_StringVendor[VIRTUAL_COM_PORT_SIZ_STRING_VENDOR] =
{
VIRTUAL_COM_PORT_SIZ_STRING_VENDOR, /* Size of Vendor string */
USB_STRING_DESCRIPTOR_TYPE, /* bDescriptorType*/
/* Manufacturer: "STMicroelectronics" */
'S', 0, 'T', 0, 'M', 0, 'i', 0, 'c', 0, 'r', 0, 'o', 0, 'e', 0,
'l', 0, 'e', 0, 'c', 0, 't', 0, 'r', 0, 'o', 0, 'n', 0, 'i', 0,
'c', 0, 's', 0
};
const uint8_t Virtual_Com_Port_StringProduct[VIRTUAL_COM_PORT_SIZ_STRING_PRODUCT] =
{
VIRTUAL_COM_PORT_SIZ_STRING_PRODUCT, /* bLength */
USB_STRING_DESCRIPTOR_TYPE, /* bDescriptorType */
/* Product name: "STM32 Virtual COM Port" */
'S', 0, 'T', 0, 'M', 0, '3', 0, '2', 0, ' ', 0, 'V', 0, 'i', 0,
'r', 0, 't', 0, 'u', 0, 'a', 0, 'l', 0, ' ', 0, 'C', 0, 'O', 0,
'M', 0, ' ', 0, 'P', 0, 'o', 0, 'r', 0, 't', 0, ' ', 0, ' ', 0
};
uint8_t Virtual_Com_Port_StringSerial[VIRTUAL_COM_PORT_SIZ_STRING_SERIAL] =
{
VIRTUAL_COM_PORT_SIZ_STRING_SERIAL, /* bLength */
USB_STRING_DESCRIPTOR_TYPE, /* bDescriptorType */
'S', 0, 'T', 0, 'M', 0, '3', 0, '2', 0, '1', 0, '0', 0
};