44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
// Copyright 2015-2017 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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//
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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 <stddef.h>
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/**
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* @brief Return CRC7 of data, in the format used by SD protocol
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* @param data array of data used to compute CRC
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* @param size size of data in bytes
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* @return CRC7 value
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*/
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uint8_t sdspi_crc7(const uint8_t *data, size_t size);
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/**
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* @brief Return CRC16 of data, in the format used by SD protocol
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* @param data array of data used to compute CRC
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* @param size size of data in bytes
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* @return CRC16 value
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*/
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uint16_t sdspi_crc16(const uint8_t* data, size_t size);
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#ifdef __cplusplus
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}
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#endif
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