Patterns

[Mischback]

This issue is meant to collect some common patterns for the project.

[Mischback]

Error Handling of ESP-IDF functions

esp_err_t esp_ret;
esp_ret = [call esp_idf_function];  // call of ESP function
if (esp_ret != ESP_OK) {
    ESP_LOGE(TAG, "Could not [perform whatever should be done]"!);
    ESP_LOGD(
        TAG, 
        "'[esp_idf_function()]' returned %s [%d]", 
        esp_err_to_name(esp_ret),
        esp_ret);
    return esp_ret;
}