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SourceVuESP-IDF Framework and Exampleshost sampleessl_spi_context_t::master_in

essl_spi_context_t::master_in field

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Declaration

from essl_spi.c:49

struct { size_t received_bytes; size_t slave_tx_bytes; uint8_t rx_sync_reg; } master_in;

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} master_in;

.master_in.rx_sync_reg = init_config->rx_sync_reg

essl_spi_init_dev()

ctx->master_in.received_bytes = 0;

essl_spi_reset_cnt()

uint8_t reserved_1_head = ctx->master_out.tx_sync_reg < ctx->master_in.rx_sync_reg ? ctx->master_out.tx_sync_reg : ctx->master_in.rx_sync_reg;

essl_spi_read_reg()

uint8_t reserved_2_head = ctx->master_out.tx_sync_reg < ctx->master_in.rx_sync_reg ? ctx->master_in.rx_sync_reg : ctx->master_out.tx_sync_reg;

essl_spi_read_reg()

ESP_LOGV(TAG, "slave tx buffer: %d bytes, master has read: %d bytes", ctx->master_in.slave_tx_bytes, ctx->master_in.received_bytes);

essl_spi_get_rx_data_size()

return ctx->master_in.slave_tx_bytes - ctx->master_in.received_bytes;

essl_spi_get_rx_data_size()

ret = essl_spi_rdbuf_polling(ctx->spi, (uint8_t *)&previous_size, ctx->master_in.rx_sync_reg, sizeof(uint32_t), 0);

essl_spi_update_rx_data_size()

ret = essl_spi_rdbuf_polling(ctx->spi, (uint8_t *)&updated_size, ctx->master_in.rx_sync_reg, sizeof(uint32_t), 0);

essl_spi_update_rx_data_size()

ctx->master_in.slave_tx_bytes = updated_size;

essl_spi_update_rx_data_size()

ESP_LOGV(TAG, "slave buffer: %d is not enough, %d is required", ctx->master_in.slave_tx_bytes, ctx->master_in.received_bytes + size);

essl_spi_get_packet()

ctx->master_in.received_bytes += size;

essl_spi_get_packet()

uint8_t reserved_1_head = ctx->master_out.tx_sync_reg < ctx->master_in.rx_sync_reg ? ctx->master_out.tx_sync_reg : ctx->master_in.rx_sync_reg;

essl_spi_write_reg()

uint8_t reserved_2_head = ctx->master_out.tx_sync_reg < ctx->master_in.rx_sync_reg ? ctx->master_in.rx_sync_reg : ctx->master_out.tx_sync_reg;

essl_spi_write_reg()

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Data Use

essl_spi_context_t::master_in is read by 6 functions:

essl_spi_context_t::master_in

essl_spi_reset_cnt()

essl_spi_read_reg()

essl_spi_get_rx_data_size()

essl_spi_update_rx_data_size()

essl_spi_get_packet()

essl_spi_write_reg()

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