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use value 0 for `sd_host_slot_cfg_t` members, means no change to previous configurations, instead of using `override/valid` flag
SDMMC Host Driver
SD Host side related components are:
sdmmcesp_driver_sdmmc(current component)esp_driver_sdspi
For relationship and dependency among these components, see SD Host Side Related Component Architecture.
esp_driver_sdmmc components holds SDMMC Host driver for ESP SDMMC peripheral, this driver provides APIs to help you:
- do SD transactions (under SD mode) via ESP SDMMC peripheral.
- tune ESP SDMMC hardware configurations, such as clock frequency, bus width, etc.
- ...
You can
- use this driver to implement
sdmmcprotocol interfaces - directly use
esp_driver_sdmmcAPIs
to communicate with SD slave devices under SD mode.