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SourceVuESP-IDF Framework and ExamplesESP-IDFsdmmc_card_t::ext_csd

sdmmc_card_t::ext_csd field

decoded EXT_CSD (Extended Card Specific Data) register value

Syntax

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Summary

Declaration

from sd_protocol_types.h:262

sdmmc_ext_csd_t ext_csd;

References

Code

Location

Referrer

sdmmc_ext_csd_t ext_csd; /*!< decoded EXT_CSD (Extended Card Specific Data) register value */

sd_protocol_types.h:262

if ((card->is_mmc) && (card->ext_csd.rev >= EXT_CSD_REV_1_6)) {

sdmmc_cmd.c:779

sdmmc_can_discard()

if ((card->is_mmc) && (card->ext_csd.sec_feature & EXT_CSD_SEC_GB_CL_EN)) {

sdmmc_cmd.c:791

sdmmc_can_trim()

if ((card->is_mmc) && (card->ext_csd.sec_feature & EXT_CSD_SEC_SANITIZE)) {

sdmmc_cmd.c:799

sdmmc_mmc_can_sanitize()

card->ext_csd.power_class = ext_csd[(card->max_freq_khz > SDMMC_FREQ_26M) ?

sdmmc_init_mmc_read_ext_csd()

card->ext_csd.power_class = ext_csd[(card->max_freq_khz > SDMMC_FREQ_26M) ?

sdmmc_init_mmc_read_ext_csd()

card->ext_csd.power_class = 0; //card must be able to do full rate at powerclass 0 in 1-bit mode

sdmmc_init_mmc_read_ext_csd()

card->ext_csd.erase_mem_state = ext_csd[EXT_CSD_ERASED_MEM_CONT];

sdmmc_init_mmc_read_ext_csd()

card->ext_csd.rev = ext_csd[EXT_CSD_REV];

sdmmc_init_mmc_read_ext_csd()

card->ext_csd.sec_feature = ext_csd[EXT_CSD_SEC_FEATURE_SUPPORT];

sdmmc_mmc.c:100

sdmmc_init_mmc_read_ext_csd()

if (card->ext_csd.power_class != 0) {

sdmmc_mmc.c:110

sdmmc_init_mmc_bus_width()

EXT_CSD_POWER_CLASS, card->ext_csd.power_class);

sdmmc_mmc.c:112

sdmmc_init_mmc_bus_width()

, __func__, card->ext_csd.power_class, err);

sdmmc_mmc.c:115

sdmmc_init_mmc_bus_width()

if ((card->ext_csd.rev != ext_csd[EXT_CSD_REV]) ||

sdmmc_mmc.c:290

sdmmc_init_mmc_check_ext_csd()

(card->ext_csd.sec_feature != ext_csd[EXT_CSD_SEC_FEATURE_SUPPORT])) {

sdmmc_mmc.c:291

sdmmc_init_mmc_check_ext_csd()

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Data Use

sdmmc_card_t::ext_csd is read by 6 functions:

sdmmc_card_t::ext_csd

sdmmc_can_discard()

sdmmc_can_trim()

sdmmc_mmc_can_sanitize()

sdmmc_init_mmc_read_ext_csd()

sdmmc_init_mmc_bus_width()

sdmmc_init_mmc_check_ext_csd()

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