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Adds serial number string to USB descriptors (#1996)

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* add serial number string to usb descriptors

* better name for serial number
This commit is contained in:
Jack Humbert 2017-11-17 11:53:46 -05:00 committed by GitHub
parent f07e2cdd9d
commit f5a9758cea
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 17 additions and 1 deletions
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18
tmk_core/protocol/lufa/descriptor.c
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@ -275,7 +275,7 @@ const USB_Descriptor_Device_t PROGMEM DeviceDescriptor =
.ManufacturerStrIndex = 0x01,
.ProductStrIndex = 0x02,
.SerialNumStrIndex = NO_DESCRIPTOR,
.SerialNumStrIndex = 0x03,
.NumberOfConfigurations = FIXED_NUM_CONFIGURATIONS
};
@ -860,6 +860,18 @@ const USB_Descriptor_String_t PROGMEM ProductString =
.UnicodeString = LSTR(PRODUCT)
};
#ifndef SERIAL_NUMBER
#define SERIAL_NUMBER 0
#endif
const USB_Descriptor_String_t PROGMEM SerialNumberString =
{
/* subtract 1 for null terminator */
.Header = {.Size = USB_STRING_LEN(sizeof(STR(SERIAL_NUMBER))-1), .Type = DTYPE_String},
.UnicodeString = LSTR(SERIAL_NUMBER)
};
/** This function is called by the library when in device mode, and must be overridden (see library "USB Descriptors"
* documentation) by the application code so that the address and size of a requested descriptor can be given
@ -902,6 +914,10 @@ uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,
Address = &ProductString;
Size = pgm_read_byte(&ProductString.Header.Size);
break;
case 0x03:
Address = &SerialNumberString;
Size = pgm_read_byte(&SerialNumberString.Header.Size);
break;
}
break;
case HID_DTYPE_HID: