/*!
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\file usbh_core.h
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\brief header file for the usbh_core.c
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\version 2020-08-01, V3.0.0, firmware for GD32F30x
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*/
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/*
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Copyright (c) 2020, GigaDevice Semiconductor Inc.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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3. Neither the name of the copyright holder nor the names of its contributors
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may be used to endorse or promote products derived from this software without
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specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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OF SUCH DAMAGE.
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*/
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#ifndef __USBH_MSC_CORE_H
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#define __USBH_MSC_CORE_H
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#include "usb_msc.h"
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#include "usbh_msc_scsi.h"
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#include "usbh_msc_bbb.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define MSC_MAX_SUPPORTED_LUN 2U
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typedef enum
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{
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MSC_INIT = 0U,
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MSC_IDLE,
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MSC_TEST_UNIT_READY,
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MSC_READ_CAPACITY10,
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MSC_READ_INQUIRY,
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MSC_REQUEST_SENSE,
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MSC_READ,
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MSC_WRITE,
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MSC_UNRECOVERED_ERROR,
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MSC_PERIODIC_CHECK,
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} msc_state;
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typedef enum
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{
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MSC_OK,
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MSC_NOT_READY,
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MSC_ERROR,
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} msc_error;
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typedef enum
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{
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MSC_REQ_IDLE = 0U,
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MSC_REQ_RESET,
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MSC_REQ_GET_MAX_LUN,
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MSC_REQ_ERROR,
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} msc_req_state;
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/* Structure for LUN */
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typedef struct
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{
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msc_state state;
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msc_error error;
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msc_scsi_sense sense;
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scsi_capacity capacity;
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scsi_std_inquiry_data inquiry;
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usbh_status prev_ready_state;
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uint8_t state_changed;
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} msc_lun;
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/* structure for msc process */
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typedef struct _msc_process
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{
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uint8_t pipe_in;
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uint8_t pipe_out;
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uint8_t ep_in;
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uint8_t ep_out;
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uint16_t ep_size_in;
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uint16_t ep_size_out;
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uint8_t cur_lun;
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uint16_t rw_lun;
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uint32_t max_lun;
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msc_state state;
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msc_error error;
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msc_req_state req_state;
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msc_req_state prev_req_state;
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bot_handle bot;
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msc_lun unit[MSC_MAX_SUPPORTED_LUN];
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uint32_t timer;
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} usbh_msc_handler;
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extern usbh_class usbh_msc;
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/* function declarations */
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/* get msc logic unit information */
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usbh_status usbh_msc_lun_info_get (usbh_host *puhost, uint8_t lun, msc_lun *info);
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/* msc read interface */
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usbh_status usbh_msc_read (usbh_host *puhost,
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uint8_t lun,
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uint32_t address,
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uint8_t *pbuf,
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uint32_t length);
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/* msc write interface */
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usbh_status usbh_msc_write (usbh_host *puhost,
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uint8_t lun,
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uint32_t address,
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uint8_t *pbuf,
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uint32_t length);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __USBH_MSC_CORE_H */
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