forked from haraldwolff/avr-fw-modules
69 lines
1.3 KiB
C
69 lines
1.3 KiB
C
#pragma once
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#include <string.h>
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typedef int (*usb_cb_setup_request_t)(int endpoint,usb_device_request_t *request);
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typedef struct {
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uint8_t bLength;
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uint8_t bDescriptorType;
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wchar_t characters[];
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} usbstring_t;
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#define USBSTRING_INIT(text) { bLength: sizeof(text), bDescriptorType: DT_STRING, characters: text }
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static inline void usbstring_set(usbstring_t *dst,char *src){
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int i,
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n = strlen(src);
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for (i=0;i<n;i++){
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dst->characters[i] = (wchar_t)src[i];
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}
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dst->bDescriptorType = DT_STRING;
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dst->bLength = (n*2) + 2;
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};
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typedef struct {
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uint8_t size;
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struct usb_standard_configuration_descriptor
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*descriptor;
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usb_cb_setup_request_t
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setup_handler[ 7 ];
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} device_configuration_t;
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typedef struct {
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struct usb_standard_device_descriptor
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descriptor;
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device_configuration_t
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**configurations;
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usbstring_t
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**strings;
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} usb_device_setup_t;
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typedef union {
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uint8_t value;
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struct {
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uint8_t HWEnabled:1; // USB Device Hardware is enabled
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/* Device states USB Spec. 2.0 Chapter 9 */
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uint8_t Attached:1;
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uint8_t Powered:1;
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uint8_t Default:1;
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uint8_t Address:1;
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uint8_t Configured:1;
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uint8_t Suspended:1;
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uint8_t Debugged:1; // 1-Bit Flag reserved for debugging, must be ignored
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};
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} usb_device_state_t;
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