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128 lines
4.0 KiB
128 lines
4.0 KiB
/*!
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\file usbh_msc_bbb.h
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\brief header file for usbh_msc_bbb.c
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\version 2019-06-05, V1.0.0, firmware for GD32VF103
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*/
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/*
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Copyright (c) 2019, 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_BBB_H
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#define __USBH_MSC_BBB_H
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#include "usbh_enum.h"
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#include "msc_bbb.h"
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typedef union {
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msc_bbb_cbw field;
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uint8_t CBWArray[31];
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}usbh_cbw_pkt;
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typedef union {
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msc_bbb_csw field;
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uint8_t CSWArray[13];
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}usbh_csw_pkt;
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enum usbh_msc_state {
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USBH_MSC_BOT_INIT_STATE = 0,
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USBH_MSC_BOT_RESET,
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USBH_MSC_GET_MAX_LUN,
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USBH_MSC_TEST_UNIT_READY,
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USBH_MSC_READ_CAPACITY10,
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USBH_MSC_MODE_SENSE6,
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USBH_MSC_REQUEST_SENSE,
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USBH_MSC_BOT_USB_TRANSFERS,
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USBH_MSC_DEFAULT_APPLI_STATE,
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USBH_MSC_CTRL_ERROR_STATE,
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USBH_MSC_UNRECOVERED_STATE
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};
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enum msc_bot_state {
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USBH_MSC_SEND_CBW = 1U,
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USBH_MSC_SENT_CBW,
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USBH_MSC_BOT_DATAIN_STATE,
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USBH_MSC_BOT_DATAOUT_STATE,
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USBH_MSC_RECEIVE_CSW_STATE,
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USBH_MSC_DECODE_CSW,
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USBH_MSC_BOT_ERROR_IN,
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USBH_MSC_BOT_ERROR_OUT
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};
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typedef struct {
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uint8_t msc_state;
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uint8_t msc_state_bkp;
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uint8_t msc_state_current;
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uint8_t cmd_state_machine;
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uint8_t bot_state;
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uint8_t bot_state_bkp;
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uint8_t *xfer_buf;
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uint16_t data_len;
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uint8_t bot_xfer_status;
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} usbh_botxfer;
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#define USBH_MSC_BOT_CBW_TAG 0x20304050
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#define USBH_MSC_CSW_MAX_LENGTH 63
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#define USBH_MSC_SEND_CSW_DISABLE 0
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#define USBH_MSC_SEND_CSW_ENABLE 1
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#define USBH_MSC_DIR_IN 0
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#define USBH_MSC_DIR_OUT 1
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#define USBH_MSC_BOTH_DIR 2
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#define USBH_MSC_PAGE_LENGTH 512
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#define CBW_CB_LENGTH 16
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#define CBW_LENGTH 10
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#define CBW_LENGTH_TEST_UNIT_READY 6
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#define MAX_BULK_STALL_COUNT_LIMIT 0x04 /* If STALL is seen on Bulk
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Endpoint continously, this means
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that device and Host has phase error
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Hence a Reset is needed */
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extern usbh_botxfer msc_botxfer_param;
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extern usbh_cbw_pkt msc_cbw_data;
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extern usbh_csw_pkt msc_csw_data;
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void usbh_msc_init (usb_core_driver *pudev);
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void usbh_msc_botxfer (usb_core_driver *pudev, usbh_host *puhost);
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uint8_t usbh_msc_csw_decode (usb_core_driver *pudev, usbh_host *puhost);
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usbh_status usbh_msc_bot_abort (usb_core_driver *pudev, usbh_host *puhost, uint8_t direction);
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#endif /* __USBH_MSC_BOT_H */
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