83 lines
1.8 KiB
C
83 lines
1.8 KiB
C
/********************************** (C) COPYRIGHT *******************************
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* File Name : usb_def.h
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* Author : WCH
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* Version : V1.0.0
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* Date : 2021/08/08
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* Description : This file contains all the functions prototypes for the
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* USB definition firmware library.
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*********************************************************************************
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* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
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* Attention: This software (modified or not) and binary are used for
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* microcontroller manufactured by Nanjing Qinheng Microelectronics.
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*******************************************************************************/
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#ifndef __USB_DEF_H
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#define __USB_DEF_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "ch32v20x.h"
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typedef enum _RECIPIENT_TYPE
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{
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DEVICE_RECIPIENT,
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INTERFACE_RECIPIENT,
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ENDPOINT_RECIPIENT,
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OTHER_RECIPIENT
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} RECIPIENT_TYPE;
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typedef enum _STANDARD_REQUESTS
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{
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GET_STATUS = 0,
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CLEAR_FEATURE,
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RESERVED1,
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SET_FEATURE,
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RESERVED2,
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SET_ADDRESS,
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GET_DESCRIPTOR,
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SET_DESCRIPTOR,
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GET_CONFIGURATION,
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SET_CONFIGURATION,
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GET_INTERFACE,
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SET_INTERFACE,
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TOTAL_sREQUEST,
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SYNCH_FRAME = 12
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} STANDARD_REQUESTS;
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/* Definition of "USBwValue" */
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typedef enum _DESCRIPTOR_TYPE
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{
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DEVICE_DESCRIPTOR = 1,
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CONFIG_DESCRIPTOR,
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STRING_DESCRIPTOR,
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INTERFACE_DESCRIPTOR,
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ENDPOINT_DESCRIPTOR
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} DESCRIPTOR_TYPE;
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/* Feature selector of a SET_FEATURE or CLEAR_FEATURE */
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typedef enum _FEATURE_SELECTOR
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{
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ENDPOINT_STALL,
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DEVICE_REMOTE_WAKEUP
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} FEATURE_SELECTOR;
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/* Definition of "USBbmRequestType" */
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#define REQUEST_TYPE 0x60
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#define STANDARD_REQUEST 0x00
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#define CLASS_REQUEST 0x20
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#define VENDOR_REQUEST 0x40
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#define RECIPIENT 0x1F
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#ifdef __cplusplus
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}
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#endif
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#endif /* __USB_DEF_H */
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