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SourceVuESP-IDF Framework and ExamplesESP-IDFsdmmc_host_dma_prepare()

sdmmc_host_dma_prepare() function

Syntax

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Summary

Declaration

Definition

from sdmmc_internal.h:31

void sdmmc_host_dma_prepare(sdmmc_desc_t* desc, size_t block_size, size_t data_size);

Implemented in sdmmc_host.c:1014

Arguments

Argument

desc

block_size

data_size

References

Code

Location

Referrer

void sdmmc_host_dma_prepare(sdmmc_desc_t *desc, size_t block_size, size_t data_size)

sdmmc_host.c:1014

void sdmmc_host_dma_prepare(sdmmc_desc_t* desc, size_t block_size, size_t data_size);

sdmmc_internal.h:31

sdmmc_host_dma_prepare(&s_dma_desc[0], cmdinfo->blklen, cmdinfo->datalen);

sdmmc_transaction.c:180

sdmmc_host_do_transaction()

Call Tree

sdmmc_host_dma_prepare() is called by 1 function and calls 5 functions:

sdmmc_host_do_transaction()

sdmmc_host_dma_prepare()

sdmmc_ll_set_data_transfer_len()

sdmmc_ll_set_block_size()

sdmmc_ll_set_desc_addr()

sdmmc_ll_enable_dma()

sdmmc_host_dma_resume()

Data Use

sdmmc_host_dma_prepare() reads 3 variables:

sdmmc_hal_context_t::dev

host_ctx_t::hal

sdmmc_host_dma_prepare()

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