why is the serial number string not available.
Here is my USB descriptor
Code: Select all
module USBdsc
const USB_VENDOR_ID as word = 0x1177
const USB_PRODUCT_ID as word = 0x0010
const USB_SELF_POWER as char = 0x80 ' Self powered 0xC0, 0x80 bus powered
const USB_MAX_POWER as char = 50 ' Bus power required in units of 2 mA
const HID_INPUT_REPORT_BYTES as char = 64
const HID_OUTPUT_REPORT_BYTES as char = 64
const EP_IN_INTERVAL as char = 1
const EP_OUT_INTERVAL as char = 1
const USB_INTERRUPT as char = 1
const USB_TRANSFER_TYPE as char = 0x03 '0x03 Interrupt
const USB_HID_IN_EP as char = 1
const USB_HID_OUT_EP as char = 1
const USB_HID_RPT_SIZE as char = 33
structure device_descriptor
dim bLength as char ' bLength - Descriptor size in bytes (12h)
dim bDescriptorType as char ' bDescriptorType - The constant DEVICE (01h)
dim bcdUSB as word ' bcdUSB - USB specification release number (BCD)
dim bDeviceClass as char ' bDeviceClass - Class Code
dim bDeviceSubClass as char ' bDeviceSubClass - Subclass code
dim bDeviceProtocol as char ' bDeviceProtocol - Protocol code
dim bMaxPacketSize0 as char ' bMaxPacketSize0 - Maximum packet size for endpoint 0
dim idVendor as word ' idVendor - Vendor ID
dim idProduct as word ' idProduct - Product ID
dim bcdDevice as word ' bcdDevice - Device release number (BCD)
dim iManufacturer as char ' iManufacturer - Index of string descriptor for the manufacturer
dim iProduct as char ' iProduct - Index of string descriptor for the product.
dim iSerialNumber as char ' iSerialNumber - Index of string descriptor for the serial number.
dim bNumConfigurations as char ' bNumConfigurations - Number of possible configurations
end structure
const device_dsc as device_descriptor = (
0x12, ' bLength
0x01, ' bDescriptorType
0x0200, ' bcdUSB
0x00, ' bDeviceClass
0x00, ' bDeviceSubClass
0x00, ' bDeviceProtocol
8, ' bMaxPacketSize0
USB_VENDOR_ID, ' idVendor
USB_PRODUCT_ID, ' idProduct
0x0100, ' bcdDevice
0x01, ' iManufacturer
0x02, ' iProduct
0x03, ' iSerialNumber
0x01 ' bNumConfigurations
)
' Configuration 1 Descriptor
const configDescriptor1 as byte[41] = (
' Configuration Descriptor
0x09, ' bLength - Descriptor size in bytes
0x02, ' bDescriptorType - The constant CONFIGURATION (02h)
0x29,0x00, ' wTotalLength - The number of bytes in the configuration descriptor and all of its subordinate descriptors
1, ' bNumInterfaces - Number of interfaces in the configuration
1, ' bConfigurationValue - Identifier for Set Configuration and Get Configuration requests
0, ' iConfiguration - Index of string descriptor for the configuration
USB_SELF_POWER, ' bmAttributes - Self/bus power and remote wakeup settings
USB_MAX_POWER, ' bMaxPower - Bus power required in units of 2 mA
' Interface Descriptor
0x09, ' bLength - Descriptor size in bytes (09h)
0x04, ' bDescriptorType - The constant Interface (04h)
0, ' bInterfaceNumber - Number identifying this interface
0, ' bAlternateSetting - A number that identifies a descriptor with alternate settings for this bInterfaceNumber.
2, ' bNumEndpoint - Number of endpoints supported not counting endpoint zero
0x03, ' bInterfaceClass - Class code
0, ' bInterfaceSubclass - Subclass code
0, ' bInterfaceProtocol - Protocol code
0, ' iInterface - Interface string index
' HID Class-Specific Descriptor
0x09, ' bLength - Descriptor size in bytes.
0x21, ' bDescriptorType - This descriptor's type: 21h to indicate the HID class.
0x01,0x01, ' bcdHID - HID specification release number (BCD).
0x00, ' bCountryCode - Numeric expression identifying the country for localized hardware (BCD) or 00h.
1, ' bNumDescriptors - Number of subordinate report and physical descriptors.
0x22, ' bDescriptorType - The type of a class-specific descriptor that follows
USB_HID_RPT_SIZE,0x00, ' wDescriptorLength - Total length of the descriptor identified above.
' Endpoint Descriptor
0x07, ' bLength - Descriptor size in bytes (07h)
0x05, ' bDescriptorType - The constant Endpoint (05h)
USB_HID_IN_EP or 0x80, ' bEndpointAddress - Endpoint number and direction
USB_TRANSFER_TYPE, ' bmAttributes - Transfer type and supplementary information
0x40,0x00, ' wMaxPacketSize - Maximum packet size supported
EP_IN_INTERVAL, ' bInterval - Service interval or NAK rate
' Endpoint Descriptor
0x07, ' bLength - Descriptor size in bytes (07h)
0x05, ' bDescriptorType - The constant Endpoint (05h)
USB_HID_OUT_EP, ' bEndpointAddress - Endpoint number and direction
USB_TRANSFER_TYPE, ' bmAttributes - Transfer type and supplementary information
0x40,0x00, ' wMaxPacketSize - Maximum packet size supported
EP_OUT_INTERVAL ' bInterval - Service interval or NAK rate
)
structure hid_report_descriptor
dim report as byte[USB_HID_RPT_SIZE]
end structure
const hid_rpt_desc as hid_report_descriptor = (
(0x06, 0x00, 0xFF, ' Usage Page = 0xFF00 (Vendor Defined Page 1)
0x09, 0x01, ' Usage (Vendor Usage 1)
0xA1, 0x01, ' Collection (Application)
' Input report
0x19, 0x01, ' Usage Minimum
0x29, 0x40, ' Usage Maximum
0x15, 0x00, ' Logical Minimum (data bytes in the report may have minimum value = 0x00)
0x26, 0xFF, 0x00, ' Logical Maximum (data bytes in the report may have maximum value = 0x00FF = unsigned 255)
0x75, 0x08, ' Report Size: 8-bit field size
0x95, HID_INPUT_REPORT_BYTES,' Report Count
0x81, 0x02, ' Input (Data, Array, Abs)
' Output report
0x19, 0x01, ' Usage Minimum
0x29, 0x40, ' Usage Maximum
0x75, 0x08, ' Report Size: 8-bit field size
0x95, HID_OUTPUT_REPORT_BYTES,' Report Count
0x91, 0x02, ' Output (Data, Array, Abs)
0xC0) ' End Collection
)
'Language code string descriptor
structure str1
dim bLength as char
dim bDscType as char
dim wString as word[1]
end structure
const strd1 as str1 = (
4,
0x03,
(0x0409)
)
'Manufacturer string descriptor
structure str2
dim bLength as char
dim bDscType as char
dim wString as word[4]
end structure
const strd2 as str2 = (
10, 'sizeof this descriptor string
0x03,
("R","W","D","V")
)
'Product string descriptor
structure str3
dim bLength as char
dim bDscType as char
dim wString as word[19]
end structure
const strd3 as str3 = (
40, 'sizeof this descriptor string
0x03,
("K","e","e","p","P","o","w","e","r","_","I","n","t","e","r","f","a","c","e")
)
'Serial Number string descriptor
structure str4
dim bLength as char
dim bDscType as char
dim wString as word[1]
end structure
const strd4 as str4 = (
10, 'sizeof this descriptor string
0x03,
("6")
)
'Array of configuration descriptors
dim USB_config_dsc_ptr as ^const byte[1]
'Array of string descriptors
dim USB_string_dsc_ptr as ^const byte[4]
sub procedure USB_Init_desc()
implements
sub procedure USB_Init_desc()
USB_config_dsc_ptr[0] = @configDescriptor1
USB_string_dsc_ptr[0] = ^const byte(@strd1)
USB_string_dsc_ptr[1] = ^const byte(@strd2)
USB_string_dsc_ptr[2] = ^const byte(@strd3)
USB_string_dsc_ptr[3] = ^const byte(@strd4)
end sub
end.
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'---------------------------------------------------------------------
const device_dsc as device_descriptor = (
...
...
0x03, ' iSerialNumber (Default = 0x00)
'--------------------------------------------------------------------
'Serial Number string descriptor
structure str4
dim bLength as char
dim bDscType as char
dim wString as word[1]
end structure
const strd4 as str4 = (
10, 'sizeof this descriptor string
0x03,
("6")
)
'--------------------------------------------------------
'Array of string descriptors
dim USB_string_dsc_ptr as ^const byte[4]
sub procedure USB_Init_desc()
implements
sub procedure USB_Init_desc()
USB_config_dsc_ptr[0] = @configDescriptor1
USB_string_dsc_ptr[0] = ^const byte(@strd1)
USB_string_dsc_ptr[1] = ^const byte(@strd2)
USB_string_dsc_ptr[2] = ^const byte(@strd3)
USB_string_dsc_ptr[3] = ^const byte(@strd4)
end sub
Code: Select all
===>Device Descriptor<===
bLength: 0x12
bDescriptorType: 0x01
bcdUSB: 0x0200
bDeviceClass: 0x00 -> This is an Interface Class Defined Device
bDeviceSubClass: 0x00
bDeviceProtocol: 0x00
bMaxPacketSize0: 0x08 = (8) Bytes
idVendor: 0x1177 = Hitachi Communication Technologies, Ltd.
idProduct: 0x0010
bcdDevice: 0x0100
iManufacturer: 0x01
English (United States) "RWDV"
iProduct: 0x02
English (United States) "KeepPower_Interface"
iSerialNumber: 0x03
*!*ERROR: No String Descriptor for index 3!
bNumConfigurations: 0x01
viewtopic.php?f=97&t=26036&p=129379#p129379
the library is still available, but does not work (anymore)
That was 10 years ago. Has the limitation to 3 string description meanwhile been lifted in Mikrobasic PRO?
Or did I make a mistake when adding the descriptor that I do not recognize?
Would someone check that please
Thanks a lot
Reinhold
