SourceVuESP-IDF Framework and ExamplesESP-IDFesp_wifi_internal_tx()

esp_wifi_internal_tx() function

transmit the buffer via wifi driver This API makes a copy of the input buffer and then forwards the buffer copy to WiFi driver.

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Declaration

from wifi.h:142

int esp_wifi_internal_tx(wifi_interface_t wifi_if, void *buffer, uint16_t len);

Return value

- ESP_OK : Successfully transmit the buffer to wifi driver - ESP_ERR_NO_MEM: out of memory - ESP_ERR_INVALID_ARG: invalid argument - ESP_ERR_WIFI_IF : WiFi interface is invalid - ESP_ERR_WIFI_CONN : WiFi interface is not created, e.g. send the data to STA while WiFi mode is AP mode - ESP_ERR_WIFI_NOT_STARTED : WiFi is not started - ESP_ERR_WIFI_STATE : WiFi internal state is not ready, e.g. WiFi is not started - ESP_ERR_WIFI_NOT_ASSOC : WiFi is not associated - ESP_ERR_WIFI_TX_DISALLOW : WiFi TX is disallowed, e.g. WiFi hasn't pass the authentication - ESP_ERR_WIFI_POST : caller fails to post event to WiFi task

References

from examples

esp_wifi_internal_tx() function

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