93 lines
2.4 KiB
C
93 lines
2.4 KiB
C
#include "usb_api.h"
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#include "usb_descriptor_strings.h"
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uint8_t UsbLanguageListStringDescriptor[USB_LANGUAGE_LIST_STRING_DESCRIPTOR_LENGTH] = {
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sizeof(UsbLanguageListStringDescriptor),
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USB_DESCRIPTOR_TYPE_STRING,
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USB_SHORT_GET_LOW(USB_LANGUAGE_ID_UNITED_STATES),
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USB_SHORT_GET_HIGH(USB_LANGUAGE_ID_UNITED_STATES)
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};
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uint8_t UsbManufacturerString[USB_MANUFACTURER_STRING_DESCRIPTOR_LENGTH] = {
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sizeof(UsbManufacturerString),
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USB_DESCRIPTOR_TYPE_STRING,
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'F', 0x00U,
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'R', 0x00U,
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'E', 0x00U,
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'E', 0x00U,
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'S', 0x00U,
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'C', 0x00U,
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'A', 0x00U,
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'L', 0x00U,
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'E', 0x00U,
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' ', 0x00U,
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'S', 0x00U,
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'E', 0x00U,
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'M', 0x00U,
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'I', 0x00U,
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'C', 0x00U,
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'O', 0x00U,
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'N', 0x00U,
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'D', 0x00U,
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'U', 0x00U,
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'C', 0x00U,
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'T', 0x00U,
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'O', 0x00U,
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'R', 0x00U,
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' ', 0x00U,
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'I', 0x00U,
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'N', 0x00U,
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'C', 0x00U,
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'.', 0x00U,
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};
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uint8_t UsbProductString[USB_PRODUCT_STRING_DESCRIPTOR_LENGTH] = {
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sizeof(UsbProductString),
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USB_DESCRIPTOR_TYPE_STRING,
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'C', 0x00U,
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'O', 0x00U,
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'M', 0x00U,
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'P', 0x00U,
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'O', 0x00U,
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'S', 0x00U,
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'I', 0x00U,
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'T', 0x00U,
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'E', 0x00U,
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' ', 0x00U,
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'D', 0x00U,
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'E', 0x00U,
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'V', 0x00U,
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'I', 0x00U,
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'C', 0x00U,
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'E', 0x00U,
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};
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uint32_t UsbStringDescriptorLengths[USB_STRING_DESCRIPTOR_COUNT] = {
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sizeof(UsbLanguageListStringDescriptor),
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sizeof(UsbManufacturerString),
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sizeof(UsbProductString),
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};
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uint8_t *UsbStringDescriptors[USB_STRING_DESCRIPTOR_COUNT] = {
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UsbLanguageListStringDescriptor,
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UsbManufacturerString,
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UsbProductString,
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};
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usb_status_t USB_DeviceGetStringDescriptor(
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usb_device_handle handle, usb_device_get_string_descriptor_struct_t *stringDescriptor)
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{
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if (stringDescriptor->stringIndex == 0) {
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stringDescriptor->buffer = UsbLanguageListStringDescriptor;
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stringDescriptor->length = sizeof(UsbLanguageListStringDescriptor);
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} else if (stringDescriptor->languageId == USB_LANGUAGE_ID_UNITED_STATES &&
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stringDescriptor->stringIndex < USB_STRING_DESCRIPTOR_COUNT)
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{
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stringDescriptor->buffer = UsbStringDescriptors[stringDescriptor->stringIndex];
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stringDescriptor->length = UsbStringDescriptorLengths[stringDescriptor->stringIndex];
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} else {
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return kStatus_USB_InvalidRequest;
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}
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return kStatus_USB_Success;
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}
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