sdhc_io Struct Reference

SD host controller I/O control structure. More...

#include <sdhc.h>

Data Fields
enum sdhc_clock_speed	clock
	Clock rate.
enum sdhc_bus_mode	bus_mode
	command output mode
enum sdhc_power	power_mode
	SD power supply mode.
enum sdhc_bus_width	bus_width
	SD bus width.
enum sdhc_timing_mode	timing
	SD bus timing.
enum sd_driver_type	driver_type
	SD driver type.
enum sd_voltage	signal_voltage
	IO signalling voltage (usually 1.8 or 3.3V)

Detailed Description

SD host controller I/O control structure.

Controls I/O settings for the SDHC. Note that only a subset of these settings apply to host controllers in SPI mode. Populate this struct, then call sdhc_set_io to apply I/O settings

Field Documentation

bus_mode

enum sdhc_bus_mode sdhc_io::bus_mode

command output mode

bus_width

enum sdhc_bus_width sdhc_io::bus_width

SD bus width.

clock

enum sdhc_clock_speed sdhc_io::clock

Clock rate.

driver_type

enum sd_driver_type sdhc_io::driver_type

SD driver type.

power_mode

enum sdhc_power sdhc_io::power_mode

SD power supply mode.

signal_voltage

enum sd_voltage sdhc_io::signal_voltage

IO signalling voltage (usually 1.8 or 3.3V)

timing

enum sdhc_timing_mode sdhc_io::timing

SD bus timing.

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The documentation for this struct was generated from the following file:

• zephyr/drivers/sdhc.h