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SourceVuESP-IDF Framework and ExamplesESP-IDFrmt_rx_channel_config_t::mem_block_symbols

rmt_rx_channel_config_t::mem_block_symbols field

Size of memory block, in number of `rmt_symbol_word_t`, must be an even. In the DMA mode, this field controls the DMA buffer size, it can be set to a large value (e.g. 1024); In the normal mode, this field controls the number of RMT memory block that will be used by the channel.

Syntax

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Summary

Declaration

from rmt_rx.h:36

size_t mem_block_symbols;

Examples

rmt_rx_channel_config_t::mem_block_symbols is referenced by 2 libraries and example projects:

ir_nec_transceiver sample

References

from 0/2 examples

Code

Location

Referrer

size_t mem_block_symbols; /*!< Size of memory block, in number of `rmt_symbol_word_t`, must be an even.

mem_block_num = config->mem_block_symbols / SOC_RMT_MEM_WORDS_PER_CHANNEL;

rmt_rx_register_to_group()

if (mem_block_num * SOC_RMT_MEM_WORDS_PER_CHANNEL < config->mem_block_symbols) {

rmt_rx_register_to_group()

ESP_RETURN_ON_FALSE((config->mem_block_symbols & 0x01) == 0 && config->mem_block_symbols >= SOC_RMT_MEM_WORDS_PER_CHANNEL,

rmt_new_rx_channel()

Call Tree

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Data Use

from 0/2 examples

rmt_rx_channel_config_t::mem_block_symbols is read by 2 functions:

rmt_rx_channel_config_t::mem_block_symbols

rmt_rx_register_to_group()

rmt_new_rx_channel()

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Lifecycle

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