ESP-IDF
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Outline
#include <stdint.h>
#include <stddef.h>
sdspi_crc7(const uint8_t *, size_t);
sdspi_crc16(const uint8_t *, size_t);
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SourceVuESP-IDF Framework and ExamplesESP-IDFcomponents/esp_driver_sdspi/src/sdspi_crc.h
 
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/* * SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 *//* ... */ #pragma once #include <stdint.h> #include <stddef.h> #ifdef __cplusplus extern "C" { #endif /** * @brief Return CRC7 of data, in the format used by SD protocol * @param data array of data used to compute CRC * @param size size of data in bytes * @return CRC7 value */ uint8_t sdspi_crc7(const uint8_t *data, size_t size); /** * @brief Return CRC16 of data, in the format used by SD protocol * @param data array of data used to compute CRC * @param size size of data in bytes * @return CRC16 value */ uint16_t sdspi_crc16(const uint8_t* data, size_t size); #ifdef __cplusplus } #endif
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