SPI_TAG - syntax, references, description

References

Code

Location

Referrer

static const char *SPI_TAG = "spi";

spi_common.c:32

SPI_CHECK(false, "no available dma channel", ESP_ERR_NOT_FOUND);

spi_common.c:205

alloc_dma_chan()

SPI_CHECK_PIN(bus_config->sclk_io_num, "sclk", sclk_need_output);

spi_common.c:534

spicommon_bus_initialize_io()

SPI_CHECK_PIN(bus_config->quadwp_io_num, "wp", wp_need_output);

spi_common.c:537

spicommon_bus_initialize_io()

SPI_CHECK_PIN(bus_config->quadhd_io_num, "hd", hd_need_output);

spi_common.c:540

spicommon_bus_initialize_io()

SPI_CHECK_PIN(bus_config->mosi_io_num, "mosi", mosi_need_output);

spi_common.c:571

spicommon_bus_initialize_io()

SPI_CHECK_PIN(bus_config->miso_io_num, "miso", miso_need_output);

spi_common.c:575

spicommon_bus_initialize_io()

ESP_LOGE(SPI_TAG, "sclk pin required.");

spi_common.c:598

spicommon_bus_initialize_io()

ESP_LOGE(SPI_TAG, "mosi pin required.");

spi_common.c:601

spicommon_bus_initialize_io()

ESP_LOGE(SPI_TAG, "miso pin required.");

spi_common.c:604

spicommon_bus_initialize_io()

ESP_LOGE(SPI_TAG, "not both mosi and miso output capable");

spi_common.c:607

spicommon_bus_initialize_io()

ESP_LOGE(SPI_TAG, "both wp and hd required.");

spi_common.c:610

spicommon_bus_initialize_io()

ESP_LOGE(SPI_TAG, "not using iomux pins");

spi_common.c:613

spicommon_bus_initialize_io()

SPI_CHECK(missing_flag == 0, "not all required capabilities satisfied.", ESP_ERR_INVALID_ARG);

spi_common.c:620

spicommon_bus_initialize_io()

ESP_LOGD(SPI_TAG, "SPI%d use iomux pins.", host + 1);

spi_common.c:626

spicommon_bus_initialize_io()

ESP_LOGD(SPI_TAG, "SPI%d use gpio matrix.", host + 1);

spi_common.c:630

spicommon_bus_initialize_io()

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

spi_common.c:801

spi_bus_initialize()

SPI_CHECK(bus_ctx[host_id] == NULL, "SPI bus already initialized.", ESP_ERR_INVALID_STATE);

spi_common.c:802

spi_bus_initialize()

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

spi_common.c:804

spi_bus_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_common.c:810

spi_bus_initialize()

SPI_CHECK((bus_config->data_io_default_level == 0), "no support changing io default level ", ESP_ERR_INVALID_ARG);

spi_common.c:815

spi_bus_initialize()

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

spi_common.c:819

spi_bus_initialize()

ESP_LOGE(SPI_TAG, "power down peripheral in sleep is not enabled or not supported on your target");

spi_common.c:886

spi_bus_initialize()

ESP_RETURN_ON_FALSE((extra_heap_caps & MALLOC_CAP_SPIRAM) == 0, NULL, SPI_TAG, "external memory is not supported now");

spi_common.c:929

spi_bus_dma_memory_alloc()

Call Tree

All items filtered out

Data Use

SPI_TAG is read by 4 functions:

SPI_TAG

alloc_dma_chan()

spicommon_bus_initialize_io()

spi_bus_initialize()

spi_bus_dma_memory_alloc()

Class Tree

All items filtered out

Override Tree

All items filtered out

Implementations

All items filtered out

Instances

Lifecycle

All items filtered out

SPI_TAG variable

Syntax

Examples

References

Call Tree

Data Use

Class Tree

Override Tree

Implementations

Instances

Lifecycle