i2s_event_data_t::size field

The buffer size of DMA buffer when success to send or receive, also the buffer size that dropped when queue overflow. It is related to the dma_frame_num and data_bit_width, typically it is fixed when data_bit_width is not changed.

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Declaration

from i2s_types.h:84

size_t size;

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Referrer

size_t size; /**< The buffer size of DMA buffer when success to send or receive,

i2s_types.h:84

evt.size = handle->dma.buf_size;

i2s_common.c:681

i2s_dma_rx_callback()

evt.size = handle->dma.buf_size;

i2s_common.c:722

i2s_dma_tx_callback()

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i2s_event_data_t::size is written by 2 functions:

i2s_dma_rx_callback()

i2s_dma_tx_callback()

i2s_event_data_t::size

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