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SourceVuESP-IDF Framework and ExamplesESP-IDFspi_host_t

spi_host_t struct

Syntax

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Summary

Declaration

from spi_master.c:196

typedef struct { int id; spi_device_t* device[DEV_NUM_MAX]; intr_handle_t intr; spi_hal_context_t hal; spi_trans_priv_t cur_trans_buf; #if SOC_SPI_SCT_SUPPORTED spi_sct_desc_ctx_t sct_desc_pool; spi_sct_trans_priv_t cur_sct_trans; #endif int cur_cs; const spi_bus_attr_t* bus_attr; const spi_dma_ctx_t *dma_ctx; bool sct_mode_enabled; spi_device_t* device_acquiring_lock; portMUX_TYPE spinlock; bool polling; } spi_host_t;

Fields

Field

Declared as

Description

int

spi_host_t::device

spi_device_t*[DEV_NUM_MAX]

spi_host_t::intr

spi_host_t::hal

spi_hal_context_t

spi_host_t::cur_trans_buf

spi_trans_priv_t

spi_host_t::cur_cs

int

spi_host_t::bus_attr

const spi_bus_attr_t*

spi_host_t::dma_ctx

const spi_dma_ctx_t *

spi_host_t::sct_mode_enabled

bool

spi_host_t::device_acquiring_lock

the bus is permanently controlled by a device until `spi_bus_release_bus`` is called. Otherwise the acquiring of SPI bus will be freed when `spi_device_polling_end` is called.

spi_host_t::spinlock

spi_host_t::polling

bool

Examples

References

from examples