spi_trans_priv_t::buffer_to_send - syntax, references, description

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const uint32_t *buffer_to_send; //equals to tx_data, if SPI_TRANS_USE_RXDATA is applied; otherwise if original buffer wasn't in DMA-capable memory, this gets the address of a temporary buffer that is;

spi_master.c:162

hal_trans->send_buffer = (uint8_t*)host->cur_trans_buf.buffer_to_send;

spi_master.c:741

spi_format_hal_trans_struct()

if (bus_attr->dma_enabled && (cur_trans_buf->buffer_to_rcv || cur_trans_buf->buffer_to_send)) {

spi_master.c:1019

spi_intr()

if ((void *)trans_buf->buffer_to_send != &trans_desc->tx_data[0] &&

spi_master.c:1099

uninstall_priv_desc()

trans_buf->buffer_to_send != trans_desc->tx_buffer) {

spi_master.c:1100

uninstall_priv_desc()

free((void *)trans_buf->buffer_to_send); //force free, ignore const

spi_master.c:1101

uninstall_priv_desc()

priv_desc->buffer_to_send = send_ptr;

spi_master.c:1185

setup_priv_desc()

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Data Use

spi_trans_priv_t::buffer_to_send is written by 1 function and is read by 3 functions:

setup_priv_desc()

spi_trans_priv_t::buffer_to_send

spi_format_hal_trans_struct()

spi_intr()

uninstall_priv_desc()

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spi_trans_priv_t::buffer_to_send field

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