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SourceVuESP-IDF Framework and ExamplesESP-IDFSPI_TAG

SPI_TAG variable

Syntax

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Summary

Declaration

from spi_slave.c:36

static const char *SPI_TAG = "spi_slave";

References

Code

Location

Referrer

static const char *SPI_TAG = "spi_slave";

SPI_CHECK(is_valid_host(host), "invalid host", ESP_ERR_INVALID_ARG);

spi_slave.c:137

spi_slave_initialize()

SPI_CHECK(dma_chan >= SPI_DMA_DISABLED && dma_chan <= SPI_DMA_CH_AUTO, "invalid dma channel", ESP_ERR_INVALID_ARG);

spi_slave.c:139

spi_slave_initialize()

SPI_CHECK((bus_config->intr_flags & (ESP_INTR_FLAG_HIGH | ESP_INTR_FLAG_EDGE | ESP_INTR_FLAG_INTRDISABLED)) == 0, "intr flag not allowed", ESP_ERR_INVALID_ARG);

spi_slave.c:145

spi_slave_initialize()

SPI_CHECK(slave_config->spics_io_num < 0 || GPIO_IS_VALID_GPIO(slave_config->spics_io_num), "spics pin invalid", ESP_ERR_INVALID_ARG);

spi_slave.c:149

spi_slave_initialize()

SPI_CHECK(slave_config->post_trans_cb != NULL, "use feature flag 'SPI_SLAVE_NO_RETURN_RESULT' but no post_trans_cb function sets", ESP_ERR_INVALID_ARG);

spi_slave.c:153

spi_slave_initialize()

SPI_CHECK(spi_chan_claimed, "host already in use", ESP_ERR_INVALID_STATE);

spi_slave.c:157

spi_slave_initialize()

SPI_CHECK(bus_config->isr_cpu_id <= ESP_INTR_CPU_AFFINITY_1, "invalid core id", ESP_ERR_INVALID_ARG);

spi_slave.c:242

spi_slave_initialize()

SPI_CHECK(is_valid_host(host), "invalid host", ESP_ERR_INVALID_ARG);

spi_slave.c:278

spi_slave_free()

SPI_CHECK(spihost[host], "host not slave", ESP_ERR_INVALID_ARG);

spi_slave.c:279

spi_slave_free()

SPI_CHECK(is_valid_host(host), "invalid host", ESP_ERR_INVALID_ARG);

spi_slave.c:372

spi_slave_queue_trans()

SPI_CHECK(spihost[host], "host not slave", ESP_ERR_INVALID_ARG);

spi_slave.c:373

spi_slave_queue_trans()

SPI_CHECK(spihost[host]->dma_enabled == 0 || trans_desc->tx_buffer == NULL || esp_ptr_dma_capable(trans_desc->tx_buffer),

spi_slave.c:374

spi_slave_queue_trans()

SPI_CHECK(spihost[host]->dma_enabled == 0 || trans_desc->rx_buffer == NULL ||

spi_slave.c:382

spi_slave_queue_trans()

SPI_CHECK(trans_desc->length <= spihost[host]->max_transfer_sz * 8, "data transfer > host maximum", ESP_ERR_INVALID_ARG);

spi_slave.c:387

spi_slave_queue_trans()

SPI_CHECK(ESP_OK == spi_slave_setup_priv_trans(host, &priv_trans), "slave setup priv_trans failed", ESP_ERR_NO_MEM);

spi_slave.c:390

spi_slave_queue_trans()

SPI_CHECK(is_valid_host(host), "invalid host", ESP_ERR_INVALID_ARG);

spi_slave.c:417

spi_slave_queue_reset()

SPI_CHECK(spihost[host], "host not slave", ESP_ERR_INVALID_ARG);

spi_slave.c:418

spi_slave_queue_reset()

ESP_RETURN_ON_FALSE_ISR(is_valid_host(host), ESP_ERR_INVALID_ARG, SPI_TAG, "invalid host");

spi_slave.c:437

spi_slave_queue_trans_isr()

ESP_RETURN_ON_FALSE_ISR(spihost[host], ESP_ERR_INVALID_ARG, SPI_TAG, "host not slave");

spi_slave.c:438

spi_slave_queue_trans_isr()

ESP_RETURN_ON_FALSE_ISR(trans_desc->length <= spihost[host]->max_transfer_sz * 8, ESP_ERR_INVALID_ARG, SPI_TAG, "data transfer > host maximum");

spi_slave.c:439

spi_slave_queue_trans_isr()

ESP_RETURN_ON_FALSE_ISR(tx_aligned, ESP_ERR_INVALID_ARG, SPI_TAG, "txdata addr & len not align to %d bytes or not dma_capable", alignment);

spi_slave.c:454

spi_slave_queue_trans_isr()

ESP_RETURN_ON_FALSE_ISR(rx_aligned, ESP_ERR_INVALID_ARG, SPI_TAG, "rxdata addr & len not align to %d bytes or not dma_capable", alignment);

spi_slave.c:455

spi_slave_queue_trans_isr()

ESP_RETURN_ON_FALSE_ISR(is_valid_host(host), ESP_ERR_INVALID_ARG, SPI_TAG, "invalid host");

spi_slave.c:475

spi_slave_queue_reset_isr()

ESP_RETURN_ON_FALSE_ISR(spihost[host], ESP_ERR_INVALID_ARG, SPI_TAG, "host not slave");

spi_slave.c:476

spi_slave_queue_reset_isr()

SPI_CHECK(is_valid_host(host), "invalid host", ESP_ERR_INVALID_ARG);

spi_slave.c:495

spi_slave_get_trans_result()

SPI_CHECK(spihost[host], "host not slave", ESP_ERR_INVALID_ARG);

spi_slave.c:496

spi_slave_get_trans_result()

SPI_CHECK(!(spihost[host]->cfg.flags & SPI_SLAVE_NO_RETURN_RESULT), "API not Supported!", ESP_ERR_NOT_SUPPORTED);

spi_slave.c:498

spi_slave_get_trans_result()

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Data Use

SPI_TAG is read by 7 functions:

SPI_TAG

spi_slave_initialize()

spi_slave_free()

spi_slave_queue_trans()

spi_slave_queue_reset()

spi_slave_queue_trans_isr()

spi_slave_queue_reset_isr()

spi_slave_get_trans_result()

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