forked from haraldwolff/avr-fw-modules
36 lines
752 B
C
36 lines
752 B
C
#include <usb/usb.h>
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#include <hwo/utils.h>
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#include <string.h>
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#include <stdlib.h>
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struct {
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struct usb_descriptor_header header;
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uint16_t lang;
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} LANG =
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{
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header: { 4, DT_STRING },
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lang: 0x0407
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};
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void* usb_get_descriptor(uint8_t dType,uint8_t index,uint16_t *size)
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{
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switch (dType)
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{
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case DT_DEVICE:
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*size = usb_device.descriptor->descriptor.bLength;
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return &usb_device.descriptor->descriptor;
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case DT_CONFIGURATION:
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*size = usb_device.descriptor->configurations[index]->size;
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return usb_device.descriptor->configurations[index]->descriptor;
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case DT_STRING:
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*size = usb_device.descriptor->strings[index]->bLength;
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return usb_device.descriptor->strings[index];
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default:
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*size = 0;
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return NULL;
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};
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};
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