189 lines
12 KiB
C
189 lines
12 KiB
C
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/*!
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\file usb_std.h
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\brief USB 2.0 standard defines
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*/
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/*
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Copyright (C) 2016 GigaDevice
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2016-08-15, V1.0.0, firmware for GD32F4xx
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*/
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#ifndef USB_STD_H
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#define USB_STD_H
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#include "usb_conf.h"
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#define USB_DEV_QUALIFIER_DESC_LEN 0x0AU /*!< USB device qualifier descriptor length */
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#define USB_DEV_DESC_LEN 0x12U /*!< USB device descriptor length */
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#define USB_CFG_DESC_LEN 0x09U /*!< USB device configuration descriptor length */
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#define USB_IF_DESC_LEN 0x09U /*!< USB device interface descriptor length */
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#define USB_EP_DESC_LEN 0x07U /*!< USB device endpoint descriptor length */
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#define USB_OTG_DESC_LEN 0x03U /*!< USB device OTG descriptor length */
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/* bit 7 of bmRequestType: data phase transfer direction */
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#define USB_DIR_MASK 0x80U /*!< USB transfer direction mask */
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#define USB_DIR_OUT 0x00U /*!< USB transfer OUT direction */
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#define USB_DIR_IN 0x80U /*!< USB transfer IN direction */
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/* bit 6..5 of bmRequestType: request type */
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#define USB_STANDARD_REQ 0x00U /*!< USB standard request */
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#define USB_CLASS_REQ 0x20U /*!< USB class request */
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#define USB_VENDOR_REQ 0x40U /*!< USB vebdor request */
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#define USB_REQ_MASK 0x60U /*!< USB request mask */
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/* bit 4..0 of bmRequestType: recipient type */
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#define USB_REQTYPE_DEVICE 0x00U /*!< USB device request type */
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#define USB_REQTYPE_INTERFACE 0x01U /*!< USB interface request type*/
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#define USB_REQTYPE_ENDPOINT 0x02U /*!< USB endpoint request type*/
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#define USB_REQTYPE_MASK 0x03U /*!< USB request type mask*/
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/* bRequest value */
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#define USBREQ_GET_STATUS 0x00U /*!< USB get status request*/
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#define USBREQ_CLEAR_FEATURE 0x01U /*!< USB clear feature request*/
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#define USBREQ_SET_FEATURE 0x03U /*!< USB set feature request*/
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#define USBREQ_SET_ADDRESS 0x05U /*!< USB set address request*/
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#define USBREQ_GET_DESCRIPTOR 0x06U /*!< USB get descriptor request*/
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#define USBREQ_SET_DESCRIPTOR 0x07U /*!< USB set descriptor request*/
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#define USBREQ_GET_CONFIGURATION 0x08U /*!< USB get configuration request*/
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#define USBREQ_SET_CONFIGURATION 0x09U /*!< USB set configuration request*/
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#define USBREQ_GET_INTERFACE 0x0AU /*!< USB get interface request*/
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#define USBREQ_SET_INTERFACE 0x0BU /*!< USB set interface request*/
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#define USBREQ_SYNCH_FRAME 0x0CU /*!< USB synchronize frame request*/
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/* descriptor types of usb specifications */
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#define USB_DESCTYPE_DEVICE 0x01U /*!< USB device descriptor type*/
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#define USB_DESCTYPE_CONFIGURATION 0x02U /*!< USB configuration descriptor type*/
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#define USB_DESCTYPE_STRING 0x03U /*!< USB string descriptor type*/
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#define USB_DESCTYPE_INTERFACE 0x04U /*!< USB interface descriptor type*/
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#define USB_DESCTYPE_ENDPOINT 0x05U /*!< USB endpoint descriptor type*/
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#define USB_DESCTYPE_DEVICE_QUALIFIER 0x06U /*!< USB device qualtfier descriptor type*/
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#define USB_DESCTYPE_OTHER_SPEED_CONFIGURATION 0x07U /*!< USB other speed configuration descriptor type*/
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#define USB_DESCTYPE_INTERFACE_POWER 0x08U /*!< USB interface power descriptor type*/
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#define USB_DESCTYPE_HID 0x21U /*!< USB HID descriptor type*/
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#define USB_DESCTYPE_HID_REPORT 0x22U /*!< USB HID report descriptor type*/
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#define USB_DEVDESC_SIZE 18U /*!< USB device descriptor size*/
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#define USB_CFGDESC_SIZE 9U /*!< USB configure descriptor size*/
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#define USB_INTDESC_SIZE 9U /*!< USB interface descriptor size*/
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#define USB_EPDESC_SIZE 7U /*!< USB endpoint descriptor size*/
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/* descriptor type and descriptor index */
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/* use the following values when USB host need to get descriptor */
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#define USB_DEVDESC ((USB_DESCTYPE_DEVICE << 8U) & 0xFF00U) /*!< USB device operation marco */
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#define USB_CFGDESC ((USB_DESCTYPE_CONFIGURATION << 8U) & 0xFF00U) /*!< USB configuration operation marco */
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#define USB_STRDESC ((USB_DESCTYPE_STRING << 8U) & 0xFF00U) /*!< USB string operation marco */
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#define USB_INTDESC ((USB_DESCTYPE_INTERFACE << 8U) & 0xFF00U) /*!< USB interface operation marco */
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#define USB_EPDESC ((USB_DESCTYPE_INTERFACE << 8U) & 0xFF00U) /*!< USB endpoint operation marco */
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#define USB_DEVQUADESC ((USB_DESCTYPE_DEVICE_QUALIFIER << 8U) & 0xFF00U) /*!< USB device qualifier operation marco */
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#define USB_OSPCFGDESC ((USB_DESCTYPE_OTHER_SPEED_CONFIGURATION << 8U) & 0xFF00U) /*!< USB other speed configuration operation marco */
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#define USB_INTPWRDESC ((USB_DESCTYPE_INTERFACE_POWER << 8U) & 0xFF00U) /*!< USB interface power operation marco */
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#define USB_HIDREPDESC ((USB_DESCTYPE_HID_REPORT << 8U) & 0xFF00U) /*!< USB HID report operation marco */
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#define USB_HIDDESC ((USB_DESCTYPE_HID << 8U) & 0xFF00U) /*!< USB HID operation marco */
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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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/* supported classes */
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#define USB_MSC_CLASS 0x08U /*!< USB MSC class*/
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#define USB_HID_CLASS 0x03U /*!< USB HID class*/
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/* interface descriptor field values for hid boot protocol */
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#define HID_BOOT_CODE 0x01U /*!< USB HID boot code*/
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#define HID_KEYBRD_BOOT_CODE 0x01U /*!< USB HID keyboard boot code*/
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#define HID_MOUSE_BOOT_CODE 0x02U /*!< USB HID mouse boot code*/
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/* as per usb specs 9.2.6.4 :standard request with data request timeout: 5sec
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standard request with no data stage timeout : 50ms */
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#define DATA_STAGE_TIMEOUT 5000U /*!< USB data stage timeout*/
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#define NODATA_STAGE_TIMEOUT 50U /*!< USB no data stage timeout*/
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#define USBH_CFG_DESC_SET_SIZE (USB_CFGDESC_SIZE + USB_INTDESC_SIZE \
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+ (USBH_MAX_EP_NUM * USB_EPDESC_SIZE)) /*!< USB host set configuration descriptor size */
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#pragma pack(1)
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typedef union
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{
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uint8_t data[8];
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struct _setup_packet_struct
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{
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uint8_t bmRequestType; /*!< type of request */
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uint8_t bRequest; /*!< request of setup packet */
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uint16_t wValue; /*!< value of setup packet */
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uint16_t wIndex; /*!< index of setup packet */
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uint16_t wLength; /*!< length of setup packet */
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} b;
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}usb_setup_union;
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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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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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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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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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#endif /* USB_STD_H */
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