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#ifndef __SWM341_USB_H__
#define __SWM341_USB_H__
#include <stdint.h>
typedef struct {
uint8_t bRequestType;
uint8_t bRequest;
uint16_t wValue;
uint16_t wIndex;
uint16_t wLength;
} USB_Setup_Packet_t;
/* bRequestType D7 Data Phase Transfer Direction */
#define USB_REQ_DIR_MASK 0x80
#define USB_REQ_H2D 0x00
#define USB_REQ_D2H 0x80
/* bRequestType D6..5 Type */
#define USB_REQ_STANDARD 0x00
#define USB_REQ_CLASS 0x20
#define USB_REQ_VENDOR 0x40
/* bRequestType D4..0 Recipient */
#define USB_REQ_TO_DEVICE 0x00
#define USB_REQ_TO_INTERFACE 0x01
#define USB_REQ_TO_ENDPOINT 0x02
/* USB Standard Request */
#define USB_GET_STATUS 0x00
#define USB_CLEAR_FEATURE 0x01
#define USB_SET_FEATURE 0x03
#define USB_SET_ADDRESS 0x05
#define USB_GET_DESCRIPTOR 0x06
#define USB_SET_DESCRIPTOR 0x07
#define USB_GET_CONFIGURATION 0x08
#define USB_SET_CONFIGURATION 0x09
#define USB_GET_INTERFACE 0x0A
#define USB_SET_INTERFACE 0x0B
#define USB_SYNC_FRAME 0x0C
/* USB Descriptor Type */
#define USB_DESC_DEVICE 0x01
#define USB_DESC_CONFIG 0x02
#define USB_DESC_STRING 0x03
#define USB_DESC_INTERFACE 0x04
#define USB_DESC_ENDPOINT 0x05
#define USB_DESC_QUALIFIER 0x06
#define USB_DESC_OTHERSPEED 0x07
#define USB_DESC_IFPOWER 0x08
#define USB_DESC_OTG 0x09
#define USB_DESC_BOS 0x0F
#define USB_DESC_CAPABILITY 0x10
#define USB_DESC_CS_INTERFACE 0x24 // Class Specific Interface
/* USB HID Descriptor Type */
#define USB_DESC_HID 0x21
#define USB_DESC_HID_RPT 0x22
/* USB Endpoint Type */
#define USB_EP_CTRL 0x00
#define USB_EP_ISO 0x01
#define USB_EP_BULK 0x02
#define USB_EP_INT 0x03
#define USB_EP_IN 0x80
#define USB_EP_OUT 0x00
/* USB Feature Selector */
#define USB_FEATURE_REMOTE_WAKEUP 0x01
#define USB_FEATURE_ENDPOINT_HALT 0x00
/* USB HID Class Report Type */
#define HID_RPT_TYPE_INPUT 0x01
#define HID_RPT_TYPE_OUTPUT 0x02
#define HID_RPT_TYPE_FEATURE 0x03
/* Define HID Class Specific Request */
#define USB_HID_GET_REPORT 0x01
#define USB_HID_GET_IDLE 0x02
#define USB_HID_GET_PROTOCOL 0x03
#define USB_HID_SET_REPORT 0x09
#define USB_HID_SET_IDLE 0x0A
#define USB_HID_SET_PROTOCOL 0x0B
/* Class */
#define USB_CDC_CLASS 0x02 // for Device
#define USB_CDC_CTRL_CLASS 0x02 // for Interface
#define USB_CDC_DATA_CLASS 0x0A // for Interface
#define USB_HID_CLASS 0x03 // for Interface
#define USB_MTP_CLASS 0x06 // for Interface
#define USB_MSC_CLASS 0x08 // for Interface
#define USB_UVC_CLASS 0x0E // for Interface
/* SubClass */
#define USB_CDC_ACM 0x02 // Abstract Control Model
#define USB_HID_BOOT 0x01
#define USB_UVC_VIDEOCONTROL 0x01
#define USB_UVC_VIDEOSTREAMING 0x02
#define USB_UVC_VIDEO_INTERFACE_COLLECTION 0x03
/* Protocol */
#define USB_CDC_ATCMD 0x01 // AT Commands defined by ITU-T V.250
#define USB_HID_NONE 0x00
#define USB_HID_KEYBD 0x01
#define USB_HID_MOUSE 0x02
#define USB_MSC_BOT 0x50 // Bulk-Only Transport
typedef struct {
uint8_t bLength;
uint8_t bDescriptorType;
} USB_DescHeader_t;
typedef struct __attribute__((packed)) {
uint8_t bLength;
uint8_t bDescriptorType;
uint16_t bcdUSB; // USB Specification Number which device complies to
uint8_t bDeviceClass; // 0x00: each interface specifies its own class code
uint8_t bDeviceSubClass;
uint8_t bDeviceProtocol;
uint8_t bMaxPacketSize;
uint16_t idVendor; // Vendor ID (Assigned by USB Org)
uint16_t idProduct; // Product ID (Assigned by Manufacturer)
uint16_t bcdDevice; // Device Release Number
uint8_t iManufacturer; // Index of Manufacturer String Descriptor
uint8_t iProduct; // Index of Product String Descriptor
uint8_t iSerialNumber; // Index of Serial Number String Descriptor
uint8_t bNumConfigurations; // Number of Possible Configurations
} USB_DevDesc_t;
typedef struct __attribute__((packed)) {
uint8_t bLength;
uint8_t bDescriptorType;
uint16_t wTotalLength; // Total Length
uint8_t bNumInterfaces; // Number of Interfaces
uint8_t bConfigurationValue; // Value to use as an argument to select this configuration
uint8_t iConfiguration; // Index of String Descriptor Describing this configuration
uint8_t bmAttributes; // D7 Bus Powered , D6 Self Powered, D5 Remote Wakeup , D4..0 Reserved (0)
uint8_t bMaxPower; // Maximum Power Consumption
} USB_CfgDesc_t;
typedef struct __attribute__((packed)) {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bInterfaceNumber;
uint8_t bAlternateSetting; // Value used to select alternative setting
uint8_t bNumEndpoints; // Number of Endpoints used for this interface
uint8_t bInterfaceClass;
uint8_t bInterfaceSubClass;
uint8_t bInterfaceProtocol;
uint8_t iInterface; // Index of String Descriptor Describing this interface
} USB_IntfDesc_t;
typedef struct __attribute__((packed)) {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bEndpointAddress; // indicates what endpoint this descriptor is describing
uint8_t bmAttributes; // specifies the transfer type.
uint16_t wMaxPacketSize; // Maximum Packet Size this endpoint is capable of sending or receiving
uint8_t bInterval; // is used to specify the polling interval of certain transfers.
} USB_EpDesc_t;
typedef struct __attribute__((packed)) {
uint8_t bLength;
uint8_t bDescriptorType;
uint16_t bcdHID; // indicates what endpoint this descriptor is describing
uint8_t bCountryCode;
uint8_t bNumDescriptors;
uint8_t bReportDescriptorType;
uint16_t wItemLength;
} USB_HIDDesc_t;
/* Header Functional Descriptor, which marks the beginning of the
concatenated set of functional descriptors for the interface. */
typedef struct __attribute__((packed)) {
uint8_t bLength;
uint8_t bDescriptorType; // CS_INTERFACE (0x24)
uint8_t bDescriptorSubType; // 0x00
uint16_t bcdCDC;
} USB_CDC_HeaderFuncDesc_t;
/* Call Management Functional Descriptor */
typedef struct __attribute__((packed)) {
uint8_t bLength;
uint8_t bDescriptorType; // CS_INTERFACE (0x24)
uint8_t bDescriptorSubType; // 0x01
uint8_t bmCapabilities;
uint8_t bDataInterface;
} USB_CDC_CallMgmtFuncDesc_t;
/* Abstract Control Management Functional Descriptor */
typedef struct __attribute__((packed)) {
uint8_t bLength;
uint8_t bDescriptorType; // CS_INTERFACE (0x24)
uint8_t bDescriptorSubType; // 0x02
uint8_t bmCapabilities;
} USB_CDC_AbstCntrlMgmtFuncDesc_t;
/* Union Functional Descriptor */
typedef struct __attribute__((packed)) {
uint8_t bLength;
uint8_t bDescriptorType; // CS_INTERFACE (0x24)
uint8_t bDescriptorSubType; // 0x06
uint8_t bMasterInterface; // Interface number of the Communication or Data Class interface
uint8_t bSlaveInterface0; // Interface number of first slave
} USB_CDC_UnionFuncDesc_t;
#endif //__SWM341_USB_H__
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