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SourceVuESP-IDF Framework and ExamplesESP-IDFspi_slave_hal_context_t::bitlen

spi_slave_hal_context_t::bitlen field

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Summary

Declaration

from spi_slave_hal.h:81

uint32_t bitlen;

References

Code

Location

Referrer

uint32_t bitlen; ///< Expected maximum length of the transaction, in bits.

spi_slave_hal.h:81

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()

spicommon_dma_desc_setup_link(dma_ctx->dmadesc_tx, hal->tx_buffer, (hal->bitlen + 7) / 8, false);

spi_slave.c:544

s_spi_slave_dma_prepare_data()

hal->bitlen = priv_trans.trans->length;

spi_slave.c:660

spi_ll_write_buffer(hal->hw, hal->tx_buffer, hal->bitlen);

spi_slave_hal_iram.c:44

spi_slave_hal_push_tx_buffer()

spi_ll_slave_set_rx_bitlen(hal->hw, hal->bitlen);

spi_slave_hal_iram.c:50

spi_slave_hal_set_trans_bitlen()

spi_ll_slave_set_tx_bitlen(hal->hw, hal->bitlen);

spi_slave_hal_iram.c:51

spi_slave_hal_set_trans_bitlen()

if (hal->rcv_bitlen == hal->bitlen - 1) {

spi_slave_hal_iram.c:66

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()

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Data Use

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

spi_slave_hal_context_t::bitlen

s_spi_slave_dma_prepare_data()

spi_slave_hal_push_tx_buffer()

spi_slave_hal_set_trans_bitlen()

spi_slave_hal_store_result()

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