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SourceVuESP-IDF Framework and ExamplesESP-IDFspi_dma_ctx_t::rx_dma_chan

spi_dma_ctx_t::rx_dma_chan field

Syntax

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Summary

Declaration

from spi_common_internal.h:66

spi_dma_chan_handle_t rx_dma_chan;

References

Code

Location

Referrer

spi_dma_chan_handle_t rx_dma_chan; ///< RX DMA channel, on ESP32 and ESP32S2, tx_dma_chan and rx_dma_chan are same

spi_common_internal.h:66

dma_ctx->rx_dma_chan.chan_id = actual_dma_chan;

spi_common.c:198

alloc_dma_chan()

dma_ctx->rx_dma_chan.host_id = host_id;

spi_common.c:200

alloc_dma_chan()

dma_ctx->rx_dma_chan.dir = DMA_CHANNEL_DIRECTION_RX;

spi_common.c:202

alloc_dma_chan()

spi_dma_enable_burst(dma_ctx->rx_dma_chan, true, true);

spi_common.c:210

alloc_dma_chan()

spi_dma_reset(dma_ctx->rx_dma_chan);

spi_master.c:697

s_spi_dma_prepare_data()

spi_dma_start(dma_ctx->rx_dma_chan, dma_ctx->dmadesc_rx);

spi_master.c:699

s_spi_dma_prepare_data()

spi_dma_start(dma_ctx->rx_dma_chan, NULL);

spi_master.c:705

s_spi_dma_prepare_data()

spi_dma_reset(dma_ctx->rx_dma_chan);

spi_slave.c:539

s_spi_slave_dma_prepare_data()

spi_dma_start(dma_ctx->rx_dma_chan, dma_ctx->dmadesc_rx);

spi_slave.c:541

s_spi_slave_dma_prepare_data()

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Data Use

spi_dma_ctx_t::rx_dma_chan is read by 3 functions:

spi_dma_ctx_t::rx_dma_chan

alloc_dma_chan()

s_spi_dma_prepare_data()

s_spi_slave_dma_prepare_data()

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