forked from haraldwolff/avr-fw-modules
181 lines
4.1 KiB
C
181 lines
4.1 KiB
C
#pragma once
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#include <stdlib.h>
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/*************************************************
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usb_spec.h
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Structures and Constants defined by USB 2.0 Spec.
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*************************************************/
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#include <stdint.h>
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#define USB_VERSION_BCD 0x0110
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#define DT_DEVICE 0x01
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#define DT_CONFIGURATION 0x02
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#define DT_STRING 0x03
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#define DT_INTERFACE 0x04
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#define DT_ENDPOINT 0x05
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#define DT_DEVICE_QUALIFIER 0x06
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#define DT_OTHER_SPEED_CONF 0x07
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#define DT_INTERAFCE_POWER 0x08
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#define USB_REQ_GET_STATUS 0x00
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#define USB_REQ_CLEAR_FEATURE 0x01
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#define USB_REQ_SET_FEATURE 0x03
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#define USB_REQ_SET_ADDRESS 0x05
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#define USB_REQ_GET_DESCRIPTOR 0x06
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#define USB_REQ_SET_DESCRIPTOR 0x07
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#define USB_REQ_GET_CONFIGURATION 0x08
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#define USB_REQ_SET_CONFIGURATION 0x09
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#define USB_REQ_GET_INTERFACE 0x0a
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#define USB_REQ_SET_INTERFACE 0x0b
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#define USB_REQ_SYNCH_FRAME 0x0c
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#define REQT_HOSTTODEVICE (0)
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#define REQT_DEVICETOHOST (1<<7)
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#define REQT_STANDARD (0)
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#define REQT_CLASS (1 << 5)
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#define REQT_VENDOR (2 << 5)
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#define REQT_REC_DEVICE (0)
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#define REQT_REC_INTERFACE (1)
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#define REQT_REC_ENDPOINT (2)
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#define REQT_REC_OTHER (3)
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#define REQT_CHECK(bmrt,dir,type,recipient) (bmrt == (dir | type | recipient))
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#define REQT_CHECK_HOSTTODEVICE(bmrt) ((bmrt & REQT_HOSTTODEVICE) ? -1 : 0)
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struct usb_descriptor_header;
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struct usb_standard_device_descriptor;
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struct usb_device_qualifier;
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struct usb_standard_configuration_descriptor;
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struct usb_other_speed_configuration;
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struct usb_standard_interface_descriptor;
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struct usb_standard_endpoint_descriptor;
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struct usb_string_descriptor_zero;
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struct usb_string_descriptor;
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typedef struct usb_descriptor_header
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usb_descriptor_header_t;
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typedef struct usb_standard_device_descriptor
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usb_standard_device_descriptor_t;
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typedef struct usb_standard_endpoint_descriptor
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usb_standard_endpoint_descriptor_t;
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typedef struct usb_device_request
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usb_device_request_t;
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struct usb_descriptor_header
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{
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uint8_t bLength;
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uint8_t bDescriptorType;
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};
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struct usb_standard_device_descriptor
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{
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint16_t bcdUSB;
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uint8_t bDeviceClass;
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uint8_t bDeviceSubClass;
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uint8_t bDeviceProtocol;
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uint8_t bMaxPacketSize0;
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uint16_t idVendor,
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idProduct,
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bcdDevice;
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uint8_t iManufacturer,
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iProduct,
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iSerialNumber,
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bNumConfigurations;
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};
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struct usb_device_qualifier
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{
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uint8_t bLength,
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bDescriptorType;
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uint16_t bcdUSB;
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uint8_t bDeviceClass,
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bDeviceSubClass,
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bDeviceProtocol,
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bMaxPacketSize0,
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bNumConfigurations,
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bReserved;
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};
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struct usb_standard_configuration_descriptor
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{
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uint8_t bLength,
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bDescriptorType;
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uint16_t wTotalLength;
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uint8_t bNumInterfaces,
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bConfigurationValue,
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iConfiguration,
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bmAttributes,
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bMaxPower;
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};
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struct usb_other_speed_configuration
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{
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uint8_t bLength,
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bDescriptorType;
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uint16_t wTotalLength;
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uint8_t bNumInterfaces,
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bConfigurationValue,
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iConfiguration,
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bmAttributes,
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bMaxPower;
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};
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struct usb_standard_interface_descriptor
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{
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uint8_t bLength,
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bDescriptorType,
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bInterfaceNumber,
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bAlternateSetting,
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bNumEndpoints,
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bInterfaceClass,
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bInterfaceSubClass,
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bInterfaceProtocol,
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iInterface;
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};
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struct usb_standard_endpoint_descriptor
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{
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uint8_t bLength,
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bDescriptorType,
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bEndpointAddress,
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bmAttributes;
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uint16_t wMaxPacketSize;
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uint8_t bInterval;
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};
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struct usb_string_descriptor
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{
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uint8_t bLength,
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bDescriptorType;
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wchar_t data[0];
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};
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struct usb_device_request
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{
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uint8_t bmRequestType,
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bRequest;
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uint16_t wValue,
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wIndex,
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wLength;
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};
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