52 lines
1.8 KiB
C
52 lines
1.8 KiB
C
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// Copyright 2015-2021 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <stdint.h>
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#include <stdbool.h>
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#include "sdkconfig.h"
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#if CONFIG_TINYUSB_MSC_ENABLED
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// Invoked when received Start Stop Unit command
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// - Start = 0 : stopped power mode, if load_eject = 1 : unload disk storage
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// - Start = 1 : active mode, if load_eject = 1 : load disk storage
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typedef bool (*msc_start_stop_cb)(uint8_t power_condition, bool start, bool load_eject);
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// Copy disk's data to buffer (up to bufsize) and return number of copied bytes.
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typedef int32_t (*msc_read_cb)(uint32_t lba, uint32_t offset, void* buffer, uint32_t bufsize);
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// Process data in buffer to disk's storage and return number of written bytes
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typedef int32_t (*msc_write_cb)(uint32_t lba, uint32_t offset, uint8_t* buffer, uint32_t bufsize);
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class USBMSC
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{
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public:
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USBMSC();
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~USBMSC();
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bool begin(uint32_t block_count, uint16_t block_size);
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void end();
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void vendorID(const char * vid);//max 8 chars
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void productID(const char * pid);//max 16 chars
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void productRevision(const char * ver);//max 4 chars
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void mediaPresent(bool media_present);
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void onStartStop(msc_start_stop_cb cb);
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void onRead(msc_read_cb cb);
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void onWrite(msc_write_cb cb);
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private:
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uint8_t _lun;
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};
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#endif /* CONFIG_TINYUSB_MSC_ENABLED */
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