esp-idf/components/esp_driver_sdspi/src/sdspi_crc.h

34 lines
720 B
C

/*
* 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