/********************************** (C) COPYRIGHT ******************************* * File Name : ch32v20x_usb.h * Author : WCH * Version : V1.0.0 * Date : 2024/01/30 * Description : This file contains all the functions prototypes for the USB * firmware library. ********************************************************************************* * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd. * Attention: This software (modified or not) and binary are used for * microcontroller manufactured by Nanjing Qinheng Microelectronics. *******************************************************************************/ #ifndef __CH32V20X_USB_H #define __CH32V20X_USB_H #ifdef __cplusplus extern "C" { #endif #ifdef __cplusplus extern "C" { #endif /*******************************************************************************/ /* Header File */ #include "stdint.h" /*******************************************************************************/ /* USB Communication Related Macro Definition */ #ifndef DEFAULT_ENDP0_SIZE #define DEFAULT_ENDP0_SIZE 8 // default maximum packet size for endpoint 0 #endif #ifndef MAX_PACKET_SIZE #define MAX_PACKET_SIZE 64 // maximum packet size #endif /* USB PID */ #ifndef USB_PID_SETUP #define USB_PID_NULL 0x00 #define USB_PID_SOF 0x05 #define USB_PID_SETUP 0x0D #define USB_PID_IN 0x09 #define USB_PID_OUT 0x01 #define USB_PID_NYET 0x06 #define USB_PID_ACK 0x02 #define USB_PID_NAK 0x0A #define USB_PID_STALL 0x0E #define USB_PID_DATA0 0x03 #define USB_PID_DATA1 0x0B #define USB_PID_PRE 0x0C #endif /* USB standard device request code */ #ifndef USB_GET_DESCRIPTOR #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_SYNCH_FRAME 0x0C #endif #define DEF_STRING_DESC_LANG 0x00 #define DEF_STRING_DESC_MANU 0x01 #define DEF_STRING_DESC_PROD 0x02 #define DEF_STRING_DESC_SERN 0x03 /* USB hub class request code */ #ifndef HUB_GET_DESCRIPTOR #define HUB_GET_STATUS 0x00 #define HUB_CLEAR_FEATURE 0x01 #define HUB_GET_STATE 0x02 #define HUB_SET_FEATURE 0x03 #define HUB_GET_DESCRIPTOR 0x06 #define HUB_SET_DESCRIPTOR 0x07 #endif /* USB HID class request code */ #ifndef HID_GET_REPORT #define HID_GET_REPORT 0x01 #define HID_GET_IDLE 0x02 #define HID_GET_PROTOCOL 0x03 #define HID_SET_REPORT 0x09 #define HID_SET_IDLE 0x0A #define HID_SET_PROTOCOL 0x0B #endif /* Bit Define for USB Request Type */ #ifndef USB_REQ_TYP_MASK #define USB_REQ_TYP_IN 0x80 #define USB_REQ_TYP_OUT 0x00 #define USB_REQ_TYP_READ 0x80 #define USB_REQ_TYP_WRITE 0x00 #define USB_REQ_TYP_MASK 0x60 #define USB_REQ_TYP_STANDARD 0x00 #define USB_REQ_TYP_CLASS 0x20 #define USB_REQ_TYP_VENDOR 0x40 #define USB_REQ_TYP_RESERVED 0x60 #define USB_REQ_RECIP_MASK 0x1F #define USB_REQ_RECIP_DEVICE 0x00 #define USB_REQ_RECIP_INTERF 0x01 #define USB_REQ_RECIP_ENDP 0x02 #define USB_REQ_RECIP_OTHER 0x03 #define USB_REQ_FEAT_REMOTE_WAKEUP 0x01 #define USB_REQ_FEAT_ENDP_HALT 0x00 #endif /* USB Descriptor Type */ #ifndef USB_DESCR_TYP_DEVICE #define USB_DESCR_TYP_DEVICE 0x01 #define USB_DESCR_TYP_CONFIG 0x02 #define USB_DESCR_TYP_STRING 0x03 #define USB_DESCR_TYP_INTERF 0x04 #define USB_DESCR_TYP_ENDP 0x05 #define USB_DESCR_TYP_QUALIF 0x06 #define USB_DESCR_TYP_SPEED 0x07 #define USB_DESCR_TYP_OTG 0x09 #define USB_DESCR_TYP_BOS 0X0F #define USB_DESCR_TYP_HID 0x21 #define USB_DESCR_TYP_REPORT 0x22 #define USB_DESCR_TYP_PHYSIC 0x23 #define USB_DESCR_TYP_CS_INTF 0x24 #define USB_DESCR_TYP_CS_ENDP 0x25 #define USB_DESCR_TYP_HUB 0x29 #endif /* USB Device Class */ #ifndef USB_DEV_CLASS_HUB #define USB_DEV_CLASS_RESERVED 0x00 #define USB_DEV_CLASS_AUDIO 0x01 #define USB_DEV_CLASS_COMMUNIC 0x02 #define USB_DEV_CLASS_HID 0x03 #define USB_DEV_CLASS_MONITOR 0x04 #define USB_DEV_CLASS_PHYSIC_IF 0x05 #define USB_DEV_CLASS_POWER 0x06 #define USB_DEV_CLASS_IMAGE 0x06 #define USB_DEV_CLASS_PRINTER 0x07 #define USB_DEV_CLASS_STORAGE 0x08 #define USB_DEV_CLASS_HUB 0x09 #define USB_DEV_CLASS_VEN_SPEC 0xFF #endif /* USB Hub Class Request */ #ifndef HUB_GET_HUB_DESCRIPTOR #define HUB_CLEAR_HUB_FEATURE 0x20 #define HUB_CLEAR_PORT_FEATURE 0x23 #define HUB_GET_BUS_STATE 0xA3 #define HUB_GET_HUB_DESCRIPTOR 0xA0 #define HUB_GET_HUB_STATUS 0xA0 #define HUB_GET_PORT_STATUS 0xA3 #define HUB_SET_HUB_DESCRIPTOR 0x20 #define HUB_SET_HUB_FEATURE 0x20 #define HUB_SET_PORT_FEATURE 0x23 #endif /* Hub Class Feature Selectors */ #ifndef HUB_PORT_RESET #define HUB_C_HUB_LOCAL_POWER 0 #define HUB_C_HUB_OVER_CURRENT 1 #define HUB_PORT_CONNECTION 0 #define HUB_PORT_ENABLE 1 #define HUB_PORT_SUSPEND 2 #define HUB_PORT_OVER_CURRENT 3 #define HUB_PORT_RESET 4 #define HUB_PORT_POWER 8 #define HUB_PORT_LOW_SPEED 9 #define HUB_C_PORT_CONNECTION 16 #define HUB_C_PORT_ENABLE 17 #define HUB_C_PORT_SUSPEND 18 #define HUB_C_PORT_OVER_CURRENT 19 #define HUB_C_PORT_RESET 20 #endif /* USB HID Class Request Code */ #ifndef HID_GET_REPORT #define HID_GET_REPORT 0x01 #define HID_GET_IDLE 0x02 #define HID_GET_PROTOCOL 0x03 #define HID_SET_REPORT 0x09 #define HID_SET_IDLE 0x0A #define HID_SET_PROTOCOL 0x0B #endif /* USB CDC Class request code */ #ifndef CDC_GET_LINE_CODING #define CDC_GET_LINE_CODING 0X21 /* This request allows the host to find out the currently configured line coding */ #define CDC_SET_LINE_CODING 0x20 /* Configures DTE rate, stop-bits, parity, and number-of-character */ #define CDC_SET_LINE_CTLSTE 0X22 /* This request generates RS-232/V.24 style control signals */ #define CDC_SEND_BREAK 0X23 /* Sends special carrier modulation used to specify RS-232 style break */ #endif /* USB UDisk */ #ifndef USB_BO_CBW_SIZE #define USB_BO_CBW_SIZE 0x1F #define USB_BO_CSW_SIZE 0x0D #endif #ifndef USB_BO_CBW_SIG0 #define USB_BO_CBW_SIG0 0x55 #define USB_BO_CBW_SIG1 0x53 #define USB_BO_CBW_SIG2 0x42 #define USB_BO_CBW_SIG3 0x43 #define USB_BO_CSW_SIG0 0x55 #define USB_BO_CSW_SIG1 0x53 #define USB_BO_CSW_SIG2 0x42 #define USB_BO_CSW_SIG3 0x53 #endif /*******************************************************************************/ /* USBFS Related Register Macro Definition */ /* R8_USB_CTRL */ #define USBFS_UC_HOST_MODE 0x80 #define USBFS_UC_LOW_SPEED 0x40 #define USBFS_UC_DEV_PU_EN 0x20 #define USBFS_UC_SYS_CTRL_MASK 0x30 #define USBFS_UC_SYS_CTRL0 0x00 #define USBFS_UC_SYS_CTRL1 0x10 #define USBFS_UC_SYS_CTRL2 0x20 #define USBFS_UC_SYS_CTRL3 0x30 #define USBFS_UC_INT_BUSY 0x08 #define USBFS_UC_RESET_SIE 0x04 #define USBFS_UC_CLR_ALL 0x02 #define USBFS_UC_DMA_EN 0x01 /* R8_USB_INT_EN */ #define USBFS_UIE_DEV_NAK 0x40 #define USBFS_UIE_FIFO_OV 0x10 #define USBFS_UIE_HST_SOF 0x08 #define USBFS_UIE_SUSPEND 0x04 #define USBFS_UIE_TRANSFER 0x02 #define USBFS_UIE_DETECT 0x01 #define USBFS_UIE_BUS_RST 0x01 /* R8_USB_DEV_AD */ #define USBFS_UDA_GP_BIT 0x80 #define USBFS_USB_ADDR_MASK 0x7F /* R8_USB_MIS_ST */ #define USBFS_UMS_SOF_PRES 0x80 #define USBFS_UMS_SOF_ACT 0x40 #define USBFS_UMS_SIE_FREE 0x20 #define USBFS_UMS_R_FIFO_RDY 0x10 #define USBFS_UMS_BUS_RESET 0x08 #define USBFS_UMS_SUSPEND 0x04 #define USBFS_UMS_DM_LEVEL 0x02 #define USBFS_UMS_DEV_ATTACH 0x01 /* R8_USB_INT_FG */ #define USBFS_U_IS_NAK 0x80 // RO, indicate current USB transfer is NAK received #define USBFS_U_TOG_OK 0x40 // RO, indicate current USB transfer toggle is OK #define USBFS_U_SIE_FREE 0x20 // RO, indicate USB SIE free status #define USBFS_UIF_FIFO_OV 0x10 // FIFO overflow interrupt flag for USB, direct bit address clear or write 1 to clear #define USBFS_UIF_HST_SOF 0x08 // host SOF timer interrupt flag for USB host, direct bit address clear or write 1 to clear #define USBFS_UIF_SUSPEND 0x04 // USB suspend or resume event interrupt flag, direct bit address clear or write 1 to clear #define USBFS_UIF_TRANSFER 0x02 // USB transfer completion interrupt flag, direct bit address clear or write 1 to clear #define USBFS_UIF_DETECT 0x01 // device detected event interrupt flag for USB host mode, direct bit address clear or write 1 to clear #define USBFS_UIF_BUS_RST 0x01 // bus reset event interrupt flag for USB device mode, direct bit address clear or write 1 to clear /* R8_USB_INT_ST */ #define USBFS_UIS_IS_NAK 0x80 // RO, indicate current USB transfer is NAK received for USB device mode #define USBFS_UIS_TOG_OK 0x40 // RO, indicate current USB transfer toggle is OK #define USBFS_UIS_TOKEN_MASK 0x30 // RO, bit mask of current token PID code received for USB device mode #define USBFS_UIS_TOKEN_OUT 0x00 #define USBFS_UIS_TOKEN_IN 0x20 #define USBFS_UIS_TOKEN_SETUP 0x30 // bUIS_TOKEN1 & bUIS_TOKEN0: current token PID code received for USB device mode // 00: OUT token PID received // 10: IN token PID received // 11: SETUP token PID received #define USBFS_UIS_ENDP_MASK 0x0F // RO, bit mask of current transfer endpoint number for USB device mode #define USBFS_UIS_H_RES_MASK 0x0F // RO, bit mask of current transfer handshake response for USB host mode: 0000=no response, time out from device, others=handshake response PID received /* R32_USB_OTG_CR */ #define USBFS_CR_SESS_VTH 0x20 #define USBFS_CR_VBUS_VTH 0x10 #define USBFS_CR_OTG_EN 0x08 #define USBFS_CR_IDPU 0x04 #define USBFS_CR_CHARGE_VBUS 0x02 #define USBFS_CR_DISCHAR_VBUS 0x01 /* R32_USB_OTG_SR */ #define USBFS_SR_ID_DIG 0x08 #define USBFS_SR_SESS_END 0x04 #define USBFS_SR_SESS_VLD 0x02 #define USBFS_SR_VBUS_VLD 0x01 /* R8_UDEV_CTRL */ #define USBFS_UD_PD_DIS 0x80 // disable USB UDP/UDM pulldown resistance: 0=enable pulldown, 1=disable #define USBFS_UD_DP_PIN 0x20 // ReadOnly: indicate current UDP pin level #define USBFS_UD_DM_PIN 0x10 // ReadOnly: indicate current UDM pin level #define USBFS_UD_LOW_SPEED 0x04 // enable USB physical port low speed: 0=full speed, 1=low speed #define USBFS_UD_GP_BIT 0x02 // general purpose bit #define USBFS_UD_PORT_EN 0x01 // enable USB physical port I/O: 0=disable, 1=enable /* R8_UEP4_1_MOD */ #define USBFS_UEP1_RX_EN 0x80 // enable USB endpoint 1 receiving (OUT) #define USBFS_UEP1_TX_EN 0x40 // enable USB endpoint 1 transmittal (IN) #define USBFS_UEP1_BUF_MOD 0x10 // buffer mode of USB endpoint 1 #define USBFS_UEP4_RX_EN 0x08 // enable USB endpoint 4 receiving (OUT) #define USBFS_UEP4_TX_EN 0x04 // enable USB endpoint 4 transmittal (IN) #define USBFS_UEP4_BUF_MOD 0x01 /* R8_UEP2_3_MOD */ #define USBFS_UEP3_RX_EN 0x80 // enable USB endpoint 3 receiving (OUT) #define USBFS_UEP3_TX_EN 0x40 // enable USB endpoint 3 transmittal (IN) #define USBFS_UEP3_BUF_MOD 0x10 // buffer mode of USB endpoint 3 #define USBFS_UEP2_RX_EN 0x08 // enable USB endpoint 2 receiving (OUT) #define USBFS_UEP2_TX_EN 0x04 // enable USB endpoint 2 transmittal (IN) #define USBFS_UEP2_BUF_MOD 0x01 // buffer mode of USB endpoint 2 /* R8_UEP5_6_MOD */ #define USBFS_UEP6_RX_EN 0x80 // enable USB endpoint 6 receiving (OUT) #define USBFS_UEP6_TX_EN 0x40 // enable USB endpoint 6 transmittal (IN) #define USBFS_UEP6_BUF_MOD 0x10 // buffer mode of USB endpoint 6 #define USBFS_UEP5_RX_EN 0x08 // enable USB endpoint 5 receiving (OUT) #define USBFS_UEP5_TX_EN 0x04 // enable USB endpoint 5 transmittal (IN) #define USBFS_UEP5_BUF_MOD 0x01 // buffer mode of USB endpoint 5 /* R8_UEP7_MOD */ #define USBFS_UEP7_RX_EN 0x08 // enable USB endpoint 7 receiving (OUT) #define USBFS_UEP7_TX_EN 0x04 // enable USB endpoint 7 transmittal (IN) #define USBFS_UEP7_BUF_MOD 0x01 // buffer mode of USB endpoint 7 /* R8_UEPn_TX_CTRL */ #define USBFS_UEP_T_AUTO_TOG 0x08 // enable automatic toggle after successful transfer completion on endpoint 1/2/3: 0=manual toggle, 1=automatic toggle #define USBFS_UEP_T_TOG 0x04 // prepared data toggle flag of USB endpoint X transmittal (IN): 0=DATA0, 1=DATA1 #define USBFS_UEP_T_RES_MASK 0x03 // bit mask of handshake response type for USB endpoint X transmittal (IN) #define USBFS_UEP_T_RES_ACK 0x00 #define USBFS_UEP_T_RES_NONE 0x01 #define USBFS_UEP_T_RES_NAK 0x02 #define USBFS_UEP_T_RES_STALL 0x03 // bUEP_T_RES1 & bUEP_T_RES0: handshake response type for USB endpoint X transmittal (IN) // 00: DATA0 or DATA1 then expecting ACK (ready) // 01: DATA0 or DATA1 then expecting no response, time out from host, for non-zero endpoint isochronous transactions // 10: NAK (busy) // 11: STALL (error) // host aux setup /* R8_UEPn_RX_CTRL, n=0-7 */ #define USBFS_UEP_R_AUTO_TOG 0x08 // enable automatic toggle after successful transfer completion on endpoint 1/2/3: 0=manual toggle, 1=automatic toggle #define USBFS_UEP_R_TOG 0x04 // expected data toggle flag of USB endpoint X receiving (OUT): 0=DATA0, 1=DATA1 #define USBFS_UEP_R_RES_MASK 0x03 // bit mask of handshake response type for USB endpoint X receiving (OUT) #define USBFS_UEP_R_RES_ACK 0x00 #define USBFS_UEP_R_RES_NONE 0x01 #define USBFS_UEP_R_RES_NAK 0x02 #define USBFS_UEP_R_RES_STALL 0x03 // RB_UEP_R_RES1 & RB_UEP_R_RES0: handshake response type for USB endpoint X receiving (OUT) // 00: ACK (ready) // 01: no response, time out to host, for non-zero endpoint isochronous transactions // 10: NAK (busy) // 11: STALL (error) /* R8_UHOST_CTRL */ #define USBFS_UH_PD_DIS 0x80 // disable USB UDP/UDM pulldown resistance: 0=enable pulldown, 1=disable #define USBFS_UH_DP_PIN 0x20 // ReadOnly: indicate current UDP pin level #define USBFS_UH_DM_PIN 0x10 // ReadOnly: indicate current UDM pin level #define USBFS_UH_LOW_SPEED 0x04 // enable USB port low speed: 0=full speed, 1=low speed #define USBFS_UH_BUS_RESET 0x02 // control USB bus reset: 0=normal, 1=force bus reset #define USBFS_UH_PORT_EN 0x01 // enable USB port: 0=disable, 1=enable port, automatic disabled if USB device detached /* R32_UH_EP_MOD */ #define USBFS_UH_EP_TX_EN 0x40 // enable USB host OUT endpoint transmittal #define USBFS_UH_EP_TBUF_MOD 0x10 // buffer mode of USB host OUT endpoint // bUH_EP_TX_EN & bUH_EP_TBUF_MOD: USB host OUT endpoint buffer mode, buffer start address is UH_TX_DMA // 0 x: disable endpoint and disable buffer // 1 0: 64 bytes buffer for transmittal (OUT endpoint) // 1 1: dual 64 bytes buffer by toggle bit bUH_T_TOG selection for transmittal (OUT endpoint), total=128bytes #define USBFS_UH_EP_RX_EN 0x08 // enable USB host IN endpoint receiving #define USBFS_UH_EP_RBUF_MOD 0x01 // buffer mode of USB host IN endpoint // bUH_EP_RX_EN & bUH_EP_RBUF_MOD: USB host IN endpoint buffer mode, buffer start address is UH_RX_DMA // 0 x: disable endpoint and disable buffer // 1 0: 64 bytes buffer for receiving (IN endpoint) // 1 1: dual 64 bytes buffer by toggle bit bUH_R_TOG selection for receiving (IN endpoint), total=128bytes /* R16_UH_SETUP */ #define USBFS_UH_PRE_PID_EN 0x0400 // USB host PRE PID enable for low speed device via hub #define USBFS_UH_SOF_EN 0x0004 // USB host automatic SOF enable /* R8_UH_EP_PID */ #define USBFS_UH_TOKEN_MASK 0xF0 // bit mask of token PID for USB host transfer #define USBFS_UH_ENDP_MASK 0x0F // bit mask of endpoint number for USB host transfer /* R8_UH_RX_CTRL */ #define USBFS_UH_R_AUTO_TOG 0x08 // enable automatic toggle after successful transfer completion: 0=manual toggle, 1=automatic toggle #define USBFS_UH_R_TOG 0x04 // expected data toggle flag of host receiving (IN): 0=DATA0, 1=DATA1 #define USBFS_UH_R_RES 0x01 // prepared handshake response type for host receiving (IN): 0=ACK (ready), 1=no response, time out to device, for isochronous transactions /* R8_UH_TX_CTRL */ #define USBFS_UH_T_AUTO_TOG 0x08 // enable automatic toggle after successful transfer completion: 0=manual toggle, 1=automatic toggle #define USBFS_UH_T_TOG 0x04 // prepared data toggle flag of host transmittal (SETUP/OUT): 0=DATA0, 1=DATA1 #define USBFS_UH_T_RES 0x01 // expected handshake response type for host transmittal (SETUP/OUT): 0=ACK (ready), 1=no response, time out from device, for isochronous transactions /*******************************************************************************/ /* Struct Definition */ /* USB Setup Request */ typedef struct __attribute__((packed)) _USB_SETUP_REQ { uint8_t bRequestType; uint8_t bRequest; uint16_t wValue; uint16_t wIndex; uint16_t wLength; } USB_SETUP_REQ, *PUSB_SETUP_REQ; /* USB Device Descriptor */ typedef struct __attribute__((packed)) _USB_DEVICE_DESCR { uint8_t bLength; uint8_t bDescriptorType; uint16_t bcdUSB; uint8_t bDeviceClass; uint8_t bDeviceSubClass; uint8_t bDeviceProtocol; uint8_t bMaxPacketSize0; uint16_t idVendor; uint16_t idProduct; uint16_t bcdDevice; uint8_t iManufacturer; uint8_t iProduct; uint8_t iSerialNumber; uint8_t bNumConfigurations; } USB_DEV_DESCR, *PUSB_DEV_DESCR; /* USB Configuration Descriptor */ typedef struct __attribute__((packed)) _USB_CONFIG_DESCR { uint8_t bLength; uint8_t bDescriptorType; uint16_t wTotalLength; uint8_t bNumInterfaces; uint8_t bConfigurationValue; uint8_t iConfiguration; uint8_t bmAttributes; uint8_t MaxPower; } USB_CFG_DESCR, *PUSB_CFG_DESCR; /* USB Interface Descriptor */ typedef struct __attribute__((packed)) _USB_INTERF_DESCR { uint8_t bLength; uint8_t bDescriptorType; uint8_t bInterfaceNumber; uint8_t bAlternateSetting; uint8_t bNumEndpoints; uint8_t bInterfaceClass; uint8_t bInterfaceSubClass; uint8_t bInterfaceProtocol; uint8_t iInterface; } USB_ITF_DESCR, *PUSB_ITF_DESCR; /* USB Endpoint Descriptor */ typedef struct __attribute__((packed)) _USB_ENDPOINT_DESCR { uint8_t bLength; uint8_t bDescriptorType; uint8_t bEndpointAddress; uint8_t bmAttributes; uint8_t wMaxPacketSizeL; uint8_t wMaxPacketSizeH; uint8_t bInterval; } USB_ENDP_DESCR, *PUSB_ENDP_DESCR; /* USB Configuration Descriptor Set */ typedef struct __attribute__((packed)) _USB_CONFIG_DESCR_LONG { USB_CFG_DESCR cfg_descr; USB_ITF_DESCR itf_descr; USB_ENDP_DESCR endp_descr[ 1 ]; } USB_CFG_DESCR_LONG, *PUSB_CFG_DESCR_LONG; /* USB HUB Descriptor */ typedef struct __attribute__((packed)) _USB_HUB_DESCR { uint8_t bDescLength; uint8_t bDescriptorType; uint8_t bNbrPorts; uint8_t wHubCharacteristicsL; uint8_t wHubCharacteristicsH; uint8_t bPwrOn2PwrGood; uint8_t bHubContrCurrent; uint8_t DeviceRemovable; uint8_t PortPwrCtrlMask; } USB_HUB_DESCR, *PUSB_HUB_DESCR; /* USB HID Descriptor */ typedef struct __attribute__((packed)) _USB_HID_DESCR { uint8_t bLength; uint8_t bDescriptorType; uint16_t bcdHID; uint8_t bCountryCode; uint8_t bNumDescriptors; uint8_t bDescriptorTypeX; uint8_t wDescriptorLengthL; uint8_t wDescriptorLengthH; } USB_HID_DESCR, *PUSB_HID_DESCR; /* USB UDisk */ typedef struct __attribute__((packed)) _UDISK_BOC_CBW { uint32_t mCBW_Sig; uint32_t mCBW_Tag; uint32_t mCBW_DataLen; uint8_t mCBW_Flag; uint8_t mCBW_LUN; uint8_t mCBW_CB_Len; uint8_t mCBW_CB_Buf[ 16 ]; } UDISK_BOC_CBW, *PXUDISK_BOC_CBW; /* USB UDisk */ typedef struct __attribute__((packed)) _UDISK_BOC_CSW { uint32_t mCBW_Sig; uint32_t mCBW_Tag; uint32_t mCSW_Residue; uint8_t mCSW_Status; } UDISK_BOC_CSW, *PXUDISK_BOC_CSW; #ifdef __cplusplus } #endif #endif /*_CH32V20X_USB_H */