79 lines
2.1 KiB
C
79 lines
2.1 KiB
C
/*
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* Copyright 2022 MindMotion Microelectronics Co., Ltd.
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* All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef __HAL_USB_BDT_H__
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#define __HAL_USB_BDT_H__
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#include "hal_common.h"
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/*!
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* @addtogroup USB
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* @{
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*/
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/*!
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* @brief USB BufDesp EndPoint number.
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*/
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#define USB_BDT_EP_NUM 16u /*!< USB BufDesp EndPoint num. */
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/*!
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* @brief USB BufDesp EndPoint direction number.
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*/
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#define USB_BDT_DIRECTION_NUM 2u /*!< USB BufDesp EndPoint direction num. */
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/*!
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* @brief USB BufDesp EndPoint buffer number.
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*/
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#define USB_BDT_BUF_NUM 2u /*!< USB BufDesp EndPoint buffer num. */
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/*!
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* @brief This type of structure instance is used to implement the buffer descriptor for USB.
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*/
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typedef struct
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{
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union
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{
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uint32_t HEAD; /*!< Head. */
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struct
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{
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uint32_t RESERVED0 :2; /*!< RESEVED. */
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uint32_t BDT_STALL :1; /*!< Stall. */
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uint32_t DTS :1; /*!< Data shift sync. */
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uint32_t NINC :1; /*!< DMA addr cannot increasing. */
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uint32_t KEEP :1; /*!< Keep BD held by USB. */
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uint32_t DATA :1; /*!< DATA0 or DATA1. */
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uint32_t OWN :1; /*!< Owner, 0 is CPU, 1 is USB. */
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uint32_t RESERVED1 :8; /*!< RESEVED. */
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uint32_t BC :10; /*!< Packet size. */
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uint32_t RESERVED2 :6; /*!< RESEVED. */
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};
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struct
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{
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uint32_t RESERVED3 :2; /*!< RESEVED. */
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uint32_t TOK_PID :4; /*!< Token pid. */
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uint32_t RESERVED4 :26; /*!< RESEVED. */
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};
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};
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uint32_t ADDR; /*!< Buffer addr. */
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} USB_BufDesp_Type;
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/*!
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* @brief This type of structure instance is used to implement the buffer descriptor table for USB.
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*/
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typedef union
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{
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USB_BufDesp_Type Table[USB_BDT_EP_NUM][ USB_BDT_DIRECTION_NUM][ USB_BDT_BUF_NUM]; /*!< [EndPoint] [Direction] [Odd_Even]. */
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USB_BufDesp_Type Index[USB_BDT_EP_NUM * USB_BDT_DIRECTION_NUM * USB_BDT_BUF_NUM]; /*!< Index. */
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} USB_BufDespTable_Type;
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/*!
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* @}
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*/
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#endif /* __HAL_USB_BDT_H__ */
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