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SourceVuESP-IDF Framework and ExamplesESP-IDFTAG

TAG variable

Syntax

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Summary

Declaration

from i2c_slave.c:40

static const char *TAG = "i2c.slave";

References

Code

Location

Referrer

static const char *TAG = "i2c.slave";

ESP_DRAM_LOGE(TAG, "I2C TX BUFFER SIZE ERROR");

i2c_slave.c:111

s_i2c_handle_tx_fifo_wm()

ESP_RETURN_ON_FALSE(slave_config && ret_handle, ESP_ERR_INVALID_ARG, TAG, "invalid argument");

i2c_slave.c:189

i2c_new_slave_device()

ESP_RETURN_ON_FALSE(GPIO_IS_VALID_GPIO(slave_config->sda_io_num) && GPIO_IS_VALID_GPIO(slave_config->scl_io_num), ESP_ERR_INVALID_ARG, TAG, "invalid SDA/SCL pin number");

i2c_slave.c:190

i2c_new_slave_device()

ESP_RETURN_ON_FALSE(slave_config->i2c_port < SOC_HP_I2C_NUM || slave_config->i2c_port == -1, ESP_ERR_INVALID_ARG, TAG, "invalid i2c port number");

i2c_slave.c:194

i2c_new_slave_device()

ESP_RETURN_ON_FALSE((slave_config->send_buf_depth > 0), ESP_ERR_INVALID_ARG, TAG, "invalid SCL speed");

i2c_slave.c:195

i2c_new_slave_device()

ESP_RETURN_ON_FALSE(i2c_slave, ESP_ERR_NO_MEM, TAG, "no memory for i2c slave bus");

i2c_slave.c:202

i2c_new_slave_device()

ESP_GOTO_ON_ERROR(i2c_acquire_bus_handle(i2c_port_num, &i2c_slave->base, I2C_BUS_MODE_SLAVE), err, TAG, "I2C bus acquire failed");

i2c_slave.c:204

i2c_new_slave_device()

ESP_GOTO_ON_ERROR(i2c_common_set_pins(i2c_slave->base), err, TAG, "i2c slave set pins failed");

i2c_slave.c:219

i2c_new_slave_device()

ESP_GOTO_ON_FALSE(i2c_slave->tx_ring_buf != NULL, ESP_ERR_INVALID_STATE, err, TAG, "ringbuffer create failed");

i2c_slave.c:222

i2c_new_slave_device()

ESP_GOTO_ON_FALSE(i2c_slave->slv_rx_mux, ESP_ERR_NO_MEM, err, TAG, "No memory for binary semaphore");

i2c_slave.c:225

i2c_new_slave_device()

ESP_GOTO_ON_FALSE(i2c_slave->slv_tx_mux, ESP_ERR_NO_MEM, err, TAG, "No memory for binary semaphore");

i2c_slave.c:227

i2c_new_slave_device()

ESP_GOTO_ON_FALSE((i2c_slave->slv_evt_queue != NULL), ESP_ERR_INVALID_STATE, err, TAG, "queue create failed");

i2c_slave.c:229

i2c_new_slave_device()

ESP_GOTO_ON_ERROR(ret, err, TAG, "install i2c slave interrupt failed");

i2c_slave.c:236

i2c_new_slave_device()

ESP_RETURN_ON_FALSE(i2c_slave, ESP_ERR_INVALID_ARG, TAG, "i2c slave not initialized");

i2c_slave.c:322

i2c_del_slave_device()

ESP_LOGD(TAG, "del i2c bus(%d)", port_id);

i2c_slave.c:324

i2c_del_slave_device()

ESP_RETURN_ON_ERROR(i2c_slave_bus_destroy(i2c_slave), TAG, "destroy i2c bus failed");

i2c_slave.c:325

i2c_del_slave_device()

ESP_RETURN_ON_FALSE(i2c_slave, ESP_ERR_INVALID_ARG, TAG, "i2c slave not initialized");

i2c_slave.c:331

i2c_slave_transmit()

ESP_RETURN_ON_FALSE(data, ESP_ERR_INVALID_ARG, TAG, "invalid data buffer");

i2c_slave.c:332

i2c_slave_transmit()

ESP_RETURN_ON_FALSE((i2c_slave->fifo_mode == I2C_SLAVE_FIFO), ESP_ERR_NOT_SUPPORTED, TAG, "non-fifo mode is not supported in this API, please set access_ram_en to false");

i2c_slave.c:333

i2c_slave_transmit()

ESP_RETURN_ON_FALSE(xSemaphoreTake(i2c_slave->slv_tx_mux, wait_ticks) == pdTRUE, ESP_ERR_TIMEOUT, TAG, "transmit timeout");

i2c_slave.c:338

i2c_slave_transmit()

ESP_GOTO_ON_FALSE(xRingbufferSend(i2c_slave->tx_ring_buf, data, size, wait_ticks) == pdTRUE, ESP_ERR_INVALID_STATE, err, TAG, "no space in ringbuffer");

i2c_slave.c:339

i2c_slave_transmit()

ESP_RETURN_ON_FALSE(i2c_slave, ESP_ERR_INVALID_ARG, TAG, "i2c slave not initialized");

i2c_slave.c:351

i2c_slave_receive()

ESP_RETURN_ON_FALSE(data, ESP_ERR_INVALID_ARG, TAG, "invalid data buffer");

i2c_slave.c:352

i2c_slave_receive()

ESP_RETURN_ON_FALSE((i2c_slave->fifo_mode == I2C_SLAVE_FIFO), ESP_ERR_NOT_SUPPORTED, TAG, "non-fifo mode is not supported in this API, please set access_ram_en to false");

i2c_slave.c:353

i2c_slave_receive()

ESP_RETURN_ON_FALSE(i2c_slave != NULL, ESP_ERR_INVALID_ARG, TAG, "i2c slave handle not initialized");

i2c_slave.c:419

i2c_slave_register_event_callbacks()

ESP_RETURN_ON_FALSE(cbs, ESP_ERR_INVALID_ARG, TAG, "invalid argument");

i2c_slave.c:420

i2c_slave_register_event_callbacks()

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Data Use

TAG is read by 6 functions:

TAG

s_i2c_handle_tx_fifo_wm()

i2c_new_slave_device()

i2c_del_slave_device()

i2c_slave_transmit()

i2c_slave_receive()

i2c_slave_register_event_callbacks()

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