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SourceVuESP-IDF Framework and ExamplesESP-IDFsdspi_crc16()

sdspi_crc16() function

Return CRC16 of data, in the format used by SD protocol

Syntax

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Summary

Declaration

Definition

from sdspi_crc.h:29

uint16_t sdspi_crc16(const uint8_t* data, size_t size);

Implemented in sdspi_crc.c:42

Arguments

Argument

Description

data

array of data used to compute CRC

size

size of data in bytes

Return value

CRC16 value

References

Code

Location

Referrer

uint16_t sdspi_crc16(const uint8_t* data, size_t size)

sdspi_crc.c:42

uint16_t sdspi_crc16(const uint8_t* data, size_t size);

sdspi_crc.h:29

crc_of_data = sdspi_crc16(data, will_receive + extra_data_size);

sdspi_host.c:809

start_command_read_blocks()

uint16_t crc = sdspi_crc16(data, will_send);

sdspi_host.c:915

start_command_write_blocks()

Call Tree

sdspi_crc16() is called by 2 functions and calls 1 function:

start_command_read_blocks()

start_command_write_blocks()

sdspi_crc16()

esp_rom_crc16_be()

Data Use

sdspi_crc16():

sdspi_crc16()

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