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SDSPI_HOST_DEFAULT macro
Default sdmmc_host_t structure initializer for SD over SPI driver Uses SPI mode and max frequency set to 20MHz 'slot' should be set to an sdspi device initialized by `sdspi_host_init_device()`.
Syntax
#define SDSPI_HOST_DEFAULT() {\
.flags = SDMMC_HOST_FLAG_SPI | SDMMC_HOST_FLAG_DEINIT_ARG, \
.slot = SDSPI_DEFAULT_HOST, \
.max_freq_khz = SDMMC_FREQ_DEFAULT, \
.io_voltage = 3.3f, \
.driver_strength = SDMMC_DRIVER_STRENGTH_B, \
.current_limit = SDMMC_CURRENT_LIMIT_200MA, \
.init = &sdspi_host_init, \
.set_bus_width = NULL, \
.get_bus_width = NULL, \
.set_bus_ddr_mode = NULL, \
.set_card_clk = &sdspi_host_set_card_clk, \
.set_cclk_always_on = NULL, \
.do_transaction = &sdspi_host_do_transaction, \
.deinit_p = &sdspi_host_remove_device, \
.io_int_enable = &sdspi_host_io_int_enable, \
.io_int_wait = &sdspi_host_io_int_wait, \
.command_timeout_ms = 0, \
.get_real_freq = &sdspi_host_get_real_freq, \
.input_delay_phase = SDMMC_DELAY_PHASE_0, \
.set_input_delay = NULL, \
.dma_aligned_buffer = NULL, \
.pwr_ctrl_handle = NULL, \
.get_dma_info = &sdspi_host_get_dma_info, \
.is_slot_set_to_uhs1 = NULL, \
}