31b2702387
esp_netif_init() returns standard esp_err_t error code (unlike tcpip_adapter init), so shall be checked for the return value Also to make the initialization code more consistent.
85 lines
2.6 KiB
C
85 lines
2.6 KiB
C
/* HTTP File Server Example
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This example code is in the Public Domain (or CC0 licensed, at your option.)
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Unless required by applicable law or agreed to in writing, this
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software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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CONDITIONS OF ANY KIND, either express or implied.
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*/
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#include <sys/param.h>
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#include "esp_wifi.h"
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#include "esp_event.h"
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#include "esp_log.h"
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#include "esp_system.h"
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#include "esp_spiffs.h"
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#include "nvs_flash.h"
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#include "esp_netif.h"
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#include "protocol_examples_common.h"
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/* This example demonstrates how to create file server
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* using esp_http_server. This file has only startup code.
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* Look in file_server.c for the implementation */
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static const char *TAG="example";
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/* Function to initialize SPIFFS */
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static esp_err_t init_spiffs(void)
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{
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ESP_LOGI(TAG, "Initializing SPIFFS");
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esp_vfs_spiffs_conf_t conf = {
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.base_path = "/spiffs",
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.partition_label = NULL,
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.max_files = 5, // This decides the maximum number of files that can be created on the storage
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.format_if_mount_failed = true
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};
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esp_err_t ret = esp_vfs_spiffs_register(&conf);
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if (ret != ESP_OK) {
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if (ret == ESP_FAIL) {
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ESP_LOGE(TAG, "Failed to mount or format filesystem");
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} else if (ret == ESP_ERR_NOT_FOUND) {
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ESP_LOGE(TAG, "Failed to find SPIFFS partition");
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} else {
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ESP_LOGE(TAG, "Failed to initialize SPIFFS (%s)", esp_err_to_name(ret));
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}
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return ESP_FAIL;
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}
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size_t total = 0, used = 0;
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ret = esp_spiffs_info(NULL, &total, &used);
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if (ret != ESP_OK) {
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ESP_LOGE(TAG, "Failed to get SPIFFS partition information (%s)", esp_err_to_name(ret));
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return ESP_FAIL;
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}
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ESP_LOGI(TAG, "Partition size: total: %d, used: %d", total, used);
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return ESP_OK;
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}
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/* Declare the function which starts the file server.
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* Implementation of this function is to be found in
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* file_server.c */
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esp_err_t start_file_server(const char *base_path);
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void app_main(void)
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{
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ESP_ERROR_CHECK(nvs_flash_init());
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ESP_ERROR_CHECK(esp_netif_init());
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ESP_ERROR_CHECK(esp_event_loop_create_default());
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/* This helper function configures Wi-Fi or Ethernet, as selected in menuconfig.
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* Read "Establishing Wi-Fi or Ethernet Connection" section in
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* examples/protocols/README.md for more information about this function.
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*/
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ESP_ERROR_CHECK(example_connect());
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/* Initialize file storage */
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ESP_ERROR_CHECK(init_spiffs());
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/* Start the file server */
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ESP_ERROR_CHECK(start_file_server("/spiffs"));
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}
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