i2s_event_data_t::dma_buf field

The first level pointer of DMA buffer that just finished sending or receiving for `on_recv` and `on_sent` callback NULL for `on_recv_q_ovf` and `on_send_q_ovf` callback

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Summary

Declaration

from i2s_types.h:81

void *dma_buf;

References

Code

Location

Referrer

void *dma_buf;/**< The first level pointer of DMA buffer that just finished sending or receiving for `on_recv` and `on_sent` callback

i2s_types.h:81

evt.dma_buf = (void *)finish_desc->buf;

i2s_common.c:680

i2s_dma_rx_callback()

evt.dma_buf = NULL;

i2s_common.c:689

i2s_dma_rx_callback()

evt.dma_buf = curr_buf;

i2s_common.c:721

i2s_dma_tx_callback()

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Data Use

i2s_event_data_t::dma_buf is written by 2 functions:

i2s_dma_rx_callback()

i2s_dma_tx_callback()

i2s_event_data_t::dma_buf

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