spi_slave_hal_context_t::dmadesc_rx field

Array of DMA descriptor used by the TX DMA. The amount should be larger than dmadesc_n. The driver should ensure that the data to be sent is shorter than the descriptors can hold.

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Summary

Declaration

from spi_slave_hal.h:56

spi_dma_desc_t *dmadesc_rx;

References

Code

Location

Referrer

spi_dma_desc_t *dmadesc_rx; /**< Array of DMA descriptor used by the TX DMA.

spi_slave_hal.h:56

hal->dmadesc_rx = spihost[host]->dma_ctx->dmadesc_rx;

spi_slave.c:182

spi_slave_initialize()

for (i = 0; hal->dmadesc_rx[i].dw0.suc_eof == 0 && hal->dmadesc_rx[i].dw0.owner == 0; i++) {}

spi_slave_hal_iram.c:91

spi_slave_hal_dma_need_reset()

if (hal->dmadesc_rx[i].dw0.owner) {

spi_slave_hal_iram.c:92

spi_slave_hal_dma_need_reset()

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Data Use

spi_slave_hal_context_t::dmadesc_rx is written by 1 function and is read by 1 function:

spi_slave_initialize()

spi_slave_hal_context_t::dmadesc_rx

spi_slave_hal_dma_need_reset()

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