em_usbxpress_descriptors.c

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/***************************************************************************/
#include "usbconfig.h"
#include "em_usbxpress_internal.h"
#include "em_usbxpress_descriptors.h"

// -----------------------------------------------------------------------------
// USB Initial Descriptors

SL_ALIGN(4)
const USB_DeviceDescriptor_TypeDef
  USBXCORE_deviceDescInit SL_ATTRIBUTE_ALIGN(4) =
{
  .bLength            = USB_DEVICE_DESCSIZE,
  .bDescriptorType    = USB_DEVICE_DESCRIPTOR,
  .bcdUSB             = 0x0200,
  .bDeviceClass       = 0,
  .bDeviceSubClass    = 0,
  .bDeviceProtocol    = 0,
  .bMaxPacketSize0    = USB_FS_CTRL_EP_MAXSIZE,
  .idVendor           = 0x10C4,
  .idProduct          = 0x0000,
  .bcdDevice          = 0x0100,
  .iManufacturer      = 1,
  .iProduct           = 2,
  .iSerialNumber      = 3,
  .bNumConfigurations = 1
};

SL_ALIGN(4)
const uint8_t USBXCORE_configDescInit[] SL_ATTRIBUTE_ALIGN(4) =
{
   // Configuration descriptor
   USB_CONFIG_DESCSIZE,             // bLength
   USB_CONFIG_DESCRIPTOR,           // bDescriptorType

   USB_CONFIG_DESCSIZE +            // wTotalLength (LSB)
   USB_INTERFACE_DESCSIZE +
   (USB_ENDPOINT_DESCSIZE * NUM_EP_USED),

   (USB_CONFIG_DESCSIZE +           // wTotalLength (MSB)
   USB_INTERFACE_DESCSIZE +
   (USB_ENDPOINT_DESCSIZE * NUM_EP_USED))>>8,

   1,                               // bNumInterfaces
   1,                               // bConfigurationValue
   0,                               // iConfiguration

#if defined(SLAB_USB_BUS_POWERED)
   CONFIG_DESC_BM_RESERVED_D7,      // bmAttrib: Bus-powered
#else
   CONFIG_DESC_BM_RESERVED_D7 |     // bmAttrib: Self-powered
   CONFIG_DESC_BM_SELFPOWERED,
#endif
   CONFIG_DESC_MAXPOWER_mA(100),    // bMaxPower: 100 mA

   // Interface descriptor
   USB_INTERFACE_DESCSIZE,          // bLength
   USB_INTERFACE_DESCRIPTOR,        // bDescriptorType
   USBXPRESS_IFC_NUMBER,            // bInterfaceNumber
   0,                               // bAlternateSetting
   2,                               // bNumEndpoints
   0xFF,                            // bInterfaceClass (Vendor-Specific)
   0,                               // bInterfaceSubClass
   0,                               // bInterfaceProtocol
   0,                               // iInterface

   // Endpoint 1 IN descriptor
   USB_ENDPOINT_DESCSIZE,           // bLength
   USB_ENDPOINT_DESCRIPTOR,         // bDescriptorType
   0x81,                            // bEndpointAddress (IN)
   USB_EPTYPE_BULK,                 // bmAttributes
   USB_FS_BULK_EP_MAXSIZE,          // wMaxPacketSize (LSB)
   0,                               // wMaxPacketSize (MSB)
   0,                               //bInterval

   // Endpoint 1 OUT descriptor
   USB_ENDPOINT_DESCSIZE,           // bLength
   USB_ENDPOINT_DESCRIPTOR,         // bDescriptorType
   0x01,                            // bEndpointAddress (OUT)
   USB_EPTYPE_BULK,                 // bmAttributes
   USB_FS_BULK_EP_MAXSIZE,          // wMaxPacketSize (LSB)
   0,                               // wMaxPacketSize (MSB)
   0,                               // bInterval
};

SL_ALIGN(4)
const uint8_t USBXCORE_stringLangDesc[] SL_ATTRIBUTE_ALIGN(4) =
{
   // English String Descriptor
   0x04, 0x03, 0x09, 0x04
};

// Endpoint buffer sizes
// 1 = single buffer, 2 = double buffering, 3 = triple buffering ...
SL_ALIGN(4)
const uint8_t USBXCORE_buffMult[NUM_EP_USED + 1] SL_ATTRIBUTE_ALIGN(4) =
  { 1, 2, 2 };

#define MSOS_DESC_LEN sizeof ("MSFT100\x01") * 2
SL_ALIGN(4)
const uint8_t USBXCORE_microsoftOsDesc[] SL_ATTRIBUTE_ALIGN(4) =
{
    MSOS_DESC_LEN, 0x03,
   'M', 0,
   'S', 0,
   'F', 0,
   'T', 0,
   '1', 0,
   '0', 0,
   '0', 0,
   EXT_COMP_VENDOR_CODE, 0,
};

SL_ALIGN(4)
const USB_ExtendedCompatIdOsFeatureDesc_t
  USBXCORE_extendedCompatIdOsFeatureDesc SL_ATTRIBUTE_ALIGN(4) =
{
 EXT_COMP_DESC_SIZE,                          // Size
 0x0100,                                      // bcdVersion
 FEATURE_EXTENDED_COMPATIBILITY_ID,           // Command Index
 NUM_IFCS_WITH_EXT_COMPAT,                    // Number of interfaces with
                                              // extended compatibility
 {0, 0, 0, 0, 0, 0, 0},                       // Reserved (unused)

 {  // USB_Extended Compatibility Interface Descriptor
   {
     0,                                       // Interface Number
     1,                                       // Reserved (unused)
     "WINUSB\0",                              // Compatible ID String
     {0, 0, 0, 0, 0, 0, 0, 0},                // Sub-compatible ID String
     {0, 0, 0, 0, 0, 0},                      // Reserved (unused)
   },
 }
};

SL_ALIGN(4)
const USB_ExtendedPropertiesDescriptor_t
  USBXCORE_extendedPropertiesDesc SL_ATTRIBUTE_ALIGN(4) =
{
  // Header
  PROPERTIES_DESCRIPTOR_SIZE,               // dwLength
  0x0100,                                   // bcdVersion: 1.0
  FEATURE_EXTENDED_PROPERTIES_ID,           // wIndex: Extended Properties ID
  1,                                        // wCount: 1 Custom Property

  // GUID Property
  GUID_PROPERTY_DESCRIPTOR_SIZE,            // dwSize
  EXTENDED_PROPERTY_TYPE_MULTI_SZ,          // dwPropertyDataType
  GUID_PROPERTY_NAME_LEN,                   // wPropertyNameLength
  GUID_PROPERTY_NAME,                       // bPropertyName
  GUID_PROPERTY_LEN,                        // dwPropertyDataLength
  GUID_PROPERTY,                            // bPropertyData
};