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SourceVuESP-IDF Framework and ExamplesESP-IDFspi_slave_hal_context_t::rx_buffer

spi_slave_hal_context_t::rx_buffer field

Syntax

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Summary

Declaration

from spi_slave_hal.h:83

void *rx_buffer;

References

Code

Location

Referrer

void *rx_buffer; ///< Buffer to hold the received data.

spi_slave_hal.h:83

if (hal->rx_buffer) {

spi_slave.c:536

s_spi_slave_dma_prepare_data()

spicommon_dma_desc_setup_link(dma_ctx->dmadesc_rx, hal->rx_buffer, ((hal->bitlen + 7) / 8), true);

spi_slave.c:537

s_spi_slave_dma_prepare_data()

hal->rx_buffer = priv_trans.rx_buffer;

spi_slave.c:661

spi_ll_enable_mosi(hal->hw, (hal->rx_buffer != NULL));

spi_slave_hal_iram.c:56

spi_slave_hal_enable_data_line()

if (!hal->use_dma && hal->rx_buffer) {

spi_slave_hal_iram.c:69

spi_slave_hal_store_result()

spi_ll_read_buffer(hal->hw, hal->rx_buffer, (hal->rcv_bitlen > hal->bitlen) ? hal->bitlen : hal->rcv_bitlen);

spi_slave_hal_iram.c:71

spi_slave_hal_store_result()

if (hal->use_dma && hal->rx_buffer) {

spi_slave_hal_iram.c:86

spi_slave_hal_dma_need_reset()

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Data Use

spi_slave_hal_context_t::rx_buffer is written by 1 function and is read by 4 functions:

spi_slave_hal_context_t::rx_buffer

s_spi_slave_dma_prepare_data()

spi_slave_hal_enable_data_line()

spi_slave_hal_store_result()

spi_slave_hal_dma_need_reset()

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