195 lines
9.7 KiB
C
195 lines
9.7 KiB
C
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/*!
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\file usbd_std.h
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\brief USB standard definitions
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*/
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/*
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Copyright (C) 2017 GigaDevice
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2017-02-10, V1.0.0, firmware for GD32F30x
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*/
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#ifndef USBD_STD_H
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#define USBD_STD_H
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#include "usbd_core.h"
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#include <wchar.h>
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#ifndef NULL
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#define NULL 0U
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#endif
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/* constants definitions */
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#define USB_DEV_QUALIFIER_DESC_LEN 0x0AU /* device qualifier descriptor length */
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#define USB_CFG_DESC_LEN 0x09U /* configuration descriptor length */
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#define USBD_LANGID_STR_IDX 0x00U /* language ID string index */
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#define USBD_MFC_STR_IDX 0x01U /* manufacturer string index */
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#define USBD_PRODUCT_STR_IDX 0x02U /* product string index */
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#define USBD_SERIAL_STR_IDX 0x03U /* serial string index */
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#define USBD_CONFIG_STR_IDX 0x04U /* configuration string index */
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#define USBD_INTERFACE_STR_IDX 0x05U /* interface string index */
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#define USB_STANDARD_REQ 0x00U /* standard request */
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#define USB_CLASS_REQ 0x20U /* device class request */
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#define USB_VENDOR_REQ 0x40U /* vendor request */
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#define USB_REQ_MASK 0x60U /* request type mask */
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#define USB_REQTYPE_DEVICE 0x00U /* request recipient is device */
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#define USB_REQTYPE_INTERFACE 0x01U /* request recipient is interface */
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#define USB_REQTYPE_ENDPOINT 0x02U /* request recipient is endpoint */
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#define USB_REQ_RECIPIENT_MASK 0x1fU /* request recipient mask */
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#define USBREQ_GET_STATUS 0x00U /* Get_Status standard requeset */
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#define USBREQ_CLEAR_FEATURE 0x01U /* Clear_Feature standard requeset */
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#define USBREQ_SET_FEATURE 0x03U /* Set_Feature standard requeset */
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#define USBREQ_SET_ADDRESS 0x05U /* Set_Address standard requeset */
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#define USBREQ_GET_DESCRIPTOR 0x06U /* Get_Descriptor standard requeset */
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#define USBREQ_GET_CONFIGURATION 0x08U /* Get_Configuration standard requeset */
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#define USBREQ_SET_CONFIGURATION 0x09U /* Set_Configuration standard requeset */
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#define USBREQ_GET_INTERFACE 0x0AU /* Get_Interface standard requeset */
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#define USBREQ_SET_INTERFACE 0x0BU /* Set_Interface standard requeset */
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#define USB_DESCTYPE_DEVICE 0x01U /* device descriptor type */
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#define USB_DESCTYPE_CONFIGURATION 0x02U /* configuration descriptor type */
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#define USB_DESCTYPE_STRING 0x03U /* string descriptor type */
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#define USB_DESCTYPE_INTERFACE 0x04U /* interface descriptor type */
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#define USB_DESCTYPE_ENDPOINT 0x05U /* endpoint descriptor type */
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#define USB_DESCTYPE_DEVICE_QUALIFIER 0x06U /* device qualifier descriptor type */
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#define USB_DESCTYPE_OTHER_SPEED_CONFIGURATION 0x07U /* other speed configuration descriptor type */
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#define USB_DESCTYPE_BOS 0x0FU /* BOS descriptor type */
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#define USB_STATUS_REMOTE_WAKEUP 2U /* USB is in remote wakeup status */
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#define USB_STATUS_SELF_POWERED 1U /* USB is in self powered status */
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#define USB_FEATURE_ENDP_HALT 0U /* USB has endpoint halt feature */
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#define USB_FEATURE_REMOTE_WAKEUP 1U /* USB has endpoint remote wakeup feature */
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#define USB_FEATURE_TEST_MODE 2U /* USB has endpoint test mode feature */
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#define ENG_LANGID 0x0409U /* english language ID */
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#define CHN_LANGID 0x0804U /* chinese language ID */
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#define USB_EPTYPE_MASK 0x03U
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#define USB_DEVICE_DESC_SIZE 0x12U
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/* USB device exported macros */
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#define SWAPBYTE(addr) (((uint16_t)(*((uint8_t *)(addr)))) + \
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(uint16_t)(((uint16_t)(*(((uint8_t *)(addr)) + 1U))) << 8U))
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#define LOWBYTE(x) ((uint8_t)((x) & 0x00FFU))
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#define HIGHBYTE(x) ((uint8_t)(((x) & 0xFF00U) >> 8U))
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#define MIN(a, b) (((a) < (b)) ? (a) : (b))
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#define IS_NOT_EP0(ep_addr) (((ep_addr) != 0x00U) && ((ep_addr) != 0x80U))
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#define WIDE_STRING(string) _WIDE_STRING(string)
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#define _WIDE_STRING(string) L##string
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#define USBD_STRING_DESC(string) \
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(void *)&(const struct { \
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uint8_t _len; \
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uint8_t _type; \
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wchar_t _data[sizeof(string)]; \
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}) { \
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sizeof(WIDE_STRING(string)) + 2U - 2U, \
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USB_DESCTYPE_STRING, \
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WIDE_STRING(string) \
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}
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typedef struct
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{
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uint8_t bLength; /*!< size of the descriptor */
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uint8_t bDescriptorType; /*!< type of the descriptor */
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} usb_descriptor_header_struct;
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typedef struct
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{
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usb_descriptor_header_struct Header; /*!< descriptor header, including type and size */
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uint16_t bcdUSB; /*!< BCD of the supported USB specification */
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uint8_t bDeviceClass; /*!< USB device class */
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uint8_t bDeviceSubClass; /*!< USB device subclass */
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uint8_t bDeviceProtocol; /*!< USB device protocol */
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uint8_t bMaxPacketSize0; /*!< size of the control (address 0) endpoint's bank in bytes */
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uint16_t idVendor; /*!< vendor ID for the USB product */
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uint16_t idProduct; /*!< unique product ID for the USB product */
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uint16_t bcdDevice; /*!< product release (version) number */
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uint8_t iManufacturer; /*!< string index for the manufacturer's name */
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uint8_t iProduct; /*!< string index for the product name/details */
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uint8_t iSerialNumber; /*!< string index for the product's globally unique hexadecimal serial number */
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uint8_t bNumberConfigurations; /*!< total number of configurations supported by the device */
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} usb_descriptor_device_struct;
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#pragma pack(1)
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typedef struct
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{
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usb_descriptor_header_struct Header; /*!< descriptor header, including type and size */
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uint16_t wTotalLength; /*!< size of the configuration descriptor header,and all sub descriptors inside the configuration */
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uint8_t bNumInterfaces; /*!< total number of interfaces in the configuration */
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uint8_t bConfigurationValue; /*!< configuration index of the current configuration */
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uint8_t iConfiguration; /*!< index of a string descriptor describing the configuration */
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uint8_t bmAttributes; /*!< configuration attributes */
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uint8_t bMaxPower; /*!< maximum power consumption of the device while in the current configuration */
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} usb_descriptor_configuration_struct;
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#pragma pack()
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typedef struct
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{
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usb_descriptor_header_struct Header; /*!< descriptor header, including type and size */
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uint8_t bInterfaceNumber; /*!< index of the interface in the current configuration */
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uint8_t bAlternateSetting; /*!< alternate setting for the interface number */
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uint8_t bNumEndpoints; /*!< total number of endpoints in the interface */
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uint8_t bInterfaceClass; /*!< interface class ID */
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uint8_t bInterfaceSubClass; /*!< interface subclass ID */
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uint8_t bInterfaceProtocol; /*!< interface protocol ID */
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uint8_t iInterface; /*!< index of the string descriptor describing the interface */
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} usb_descriptor_interface_struct;
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#pragma pack(1)
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typedef struct
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{
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usb_descriptor_header_struct Header; /*!< descriptor header, including type and size. */
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uint8_t bEndpointAddress; /*!< logical address of the endpoint */
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uint8_t bmAttributes; /*!< endpoint attributes */
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uint16_t wMaxPacketSize; /*!< size of the endpoint bank, in bytes */
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uint8_t bInterval; /*!< polling interval in milliseconds for the endpoint if it is an INTERRUPT or ISOCHRONOUS type */
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} usb_descriptor_endpoint_struct;
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typedef struct
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{
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usb_descriptor_header_struct Header; /*!< descriptor header, including type and size. */
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uint16_t wLANGID; /*!< LANGID code */
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}usb_descriptor_language_id_struct;
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#pragma pack()
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/* function declarations */
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/* USB SETUP transaction processing */
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uint8_t usbd_setup_transaction (usbd_core_handle_struct *pudev);
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/* USB OUT transaction processing */
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uint8_t usbd_out_transaction (usbd_core_handle_struct *pudev, uint8_t ep_num);
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/* USB IN transaction processing */
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uint8_t usbd_in_transaction (usbd_core_handle_struct *pudev, uint8_t ep_num);
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/* handle USB standard device request */
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uint8_t usbd_standard_request (usbd_core_handle_struct *pudev, usb_device_req_struct *req);
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/* handle device class request */
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uint8_t usbd_device_class_request (usbd_core_handle_struct *pudev, usb_device_req_struct *req);
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/* handle USB vendor request */
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uint8_t usbd_vendor_request (usbd_core_handle_struct *pudev, usb_device_req_struct *req);
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/* decode setup data packet */
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void usbd_setup_request_parse (usbd_core_handle_struct *pudev, usb_device_req_struct *req);
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/* handle USB enumeration error event */
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void usbd_enum_error (usbd_core_handle_struct *pudev, usb_device_req_struct *req);
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#endif /* USBD_STD_H */
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