121 lines
2.9 KiB
C
121 lines
2.9 KiB
C
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#ifndef __HARDWARE_USB_COMMON_H__
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#define __HARDWARE_USB_COMMON_H__
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#include "stdint.h"
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#define USB_DIR_OUT (0x00u)
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#define USB_DIR_IN (0x80u)
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#define EP0_IN_ADDR (USB_DIR_IN | 0)
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#define EP0_OUT_ADDR (USB_DIR_OUT | 0)
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#define EP1_OUT_ADDR (USB_DIR_OUT | 1)
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#define EP2_IN_ADDR (USB_DIR_IN | 2)
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#define USB_TRANSFER_TYPE_CONTROL (0x0)
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#define USB_TRANSFER_TYPE_ISOCHRONOUS (0x1)
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#define USB_TRANSFER_TYPE_BULK (0x2)
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#define USB_TRANSFER_TYPE_INTERRUPT (0x3)
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#define USB_TRANSFER_TYPE_BITS (0x3)
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// Descriptor types
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#define USB_DT_DEVICE (0x01)
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#define USB_DT_CONFIG (0x02)
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#define USB_DT_STRING (0x03)
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#define USB_DT_INTERFACE (0x04)
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#define USB_DT_ENDPOINT (0x05)
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#define USB_REQUEST_GET_STATUS 0x0
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#define USB_REQUEST_CLEAR_FEATURE 0x01
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#define USB_REQUEST_SET_FEATURE 0x03
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#define USB_REQUEST_SET_ADDRESS 0x05
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#define USB_REQUEST_GET_DESCRIPTOR 0x06
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#define USB_REQUEST_SET_DESCRIPTOR 0x07
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#define USB_REQUEST_GET_CONFIGURATION 0x08
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#define USB_REQUEST_SET_CONFIGURATION 0x09
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#define USB_REQUEST_GET_INTERFACE 0x0a
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#define USB_REQUEST_SET_INTERFACE 0x0b
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#define USB_REQUEST_SYNC_FRAME 0x0c
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struct usb_setup_packet {
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uint8_t bmRequestType;
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uint8_t bRequest;
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uint16_t wValue;
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uint16_t wIndex;
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uint16_t wLength;
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} __attribute__((packed));
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struct usb_descriptor {
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uint8_t bLength;
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uint8_t bDescriptorType;
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};
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struct usb_device_descriptor {
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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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uint16_t idProduct;
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uint16_t bcdDevice;
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uint8_t iManufacturer;
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uint8_t iProduct;
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uint8_t iSerialNumber;
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uint8_t bNumConfigurations;
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} __attribute__((packed));
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struct usb_configuration_descriptor {
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint16_t wTotalLength;
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uint8_t bNumInterfaces;
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uint8_t bConfigurationValue;
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uint8_t iConfiguration;
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uint8_t bmAttributes;
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uint8_t bMaxPower;
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} __attribute__((packed));
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struct usb_interface_descriptor {
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint8_t bInterfaceNumber;
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uint8_t bAlternateSetting;
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uint8_t bNumEndpoints;
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uint8_t bInterfaceClass;
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uint8_t bInterfaceSubClass;
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uint8_t bInterfaceProtocol;
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uint8_t iInterface;
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} __attribute__((packed));
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struct usb_endpoint_descriptor {
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint8_t bEndpointAddress;
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uint8_t bmAttributes;
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uint16_t wMaxPacketSize;
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uint8_t bInterval;
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} __attribute__((packed));
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struct usb_endpoint_descriptor_long {
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint8_t bEndpointAddress;
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uint8_t bmAttributes;
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uint16_t wMaxPacketSize;
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uint8_t bInterval;
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uint8_t bRefresh;
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uint8_t bSyncAddr;
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} __attribute__((packed));
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* __HARDWARE_USB_COMMON_H__ */
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