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-rw-r--r--Demos/Device/LowLevel/GenericHID/Descriptors.c10
-rw-r--r--Demos/Device/LowLevel/GenericHID/Descriptors.h13
2 files changed, 17 insertions, 6 deletions
diff --git a/Demos/Device/LowLevel/GenericHID/Descriptors.c b/Demos/Device/LowLevel/GenericHID/Descriptors.c
index 19e281ed2..bcbb386ce 100644
--- a/Demos/Device/LowLevel/GenericHID/Descriptors.c
+++ b/Demos/Device/LowLevel/GenericHID/Descriptors.c
@@ -83,8 +83,8 @@ const USB_Descriptor_Device_t PROGMEM DeviceDescriptor =
.ProductID = 0x204F,
.ReleaseNumber = VERSION_BCD(00.01),
- .ManufacturerStrIndex = 0x01,
- .ProductStrIndex = 0x02,
+ .ManufacturerStrIndex = STRING_ID_Manufacturer,
+ .ProductStrIndex = STRING_ID_Product,
.SerialNumStrIndex = NO_DESCRIPTOR,
.NumberOfConfigurations = FIXED_NUM_CONFIGURATIONS
@@ -222,15 +222,15 @@ uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,
case DTYPE_String:
switch (DescriptorNumber)
{
- case 0x00:
+ case STRING_ID_Language:
Address = &LanguageString;
Size = pgm_read_byte(&LanguageString.Header.Size);
break;
- case 0x01:
+ case STRING_ID_Manufacturer:
Address = &ManufacturerString;
Size = pgm_read_byte(&ManufacturerString.Header.Size);
break;
- case 0x02:
+ case STRING_ID_Product:
Address = &ProductString;
Size = pgm_read_byte(&ProductString.Header.Size);
break;
diff --git a/Demos/Device/LowLevel/GenericHID/Descriptors.h b/Demos/Device/LowLevel/GenericHID/Descriptors.h
index b5c7c795c..884233445 100644
--- a/Demos/Device/LowLevel/GenericHID/Descriptors.h
+++ b/Demos/Device/LowLevel/GenericHID/Descriptors.h
@@ -42,7 +42,7 @@
#include <avr/pgmspace.h>
#include "Config/AppConfig.h"
-
+
/* Type Defines: */
/** Type define for the device configuration descriptor structure. This must be defined in the
* application code, as the configuration descriptor contains several sub-descriptors which
@@ -59,6 +59,17 @@
USB_Descriptor_Endpoint_t HID_ReportOUTEndpoint;
} USB_Descriptor_Configuration_t;
+ /** Enum for the device string descriptor IDs within the device. Each string descriptor should
+ * have a unique ID index associated with it, which can be used to refer to the string from
+ * other descriptors.
+ */
+ enum StringDescriptors_t
+ {
+ STRING_ID_Language = 0, /**< Supported Languages string descriptor ID (must be zero) */
+ STRING_ID_Manufacturer = 1, /**< Manufacturer string ID */
+ STRING_ID_Product = 2, /**< Product string ID */
+ };
+
/* Macros: */
/** Endpoint address of the Generic HID reporting IN endpoint. */
#define GENERIC_IN_EPADDR (ENDPOINT_DIR_IN | 1)