1 /* Ethernet iperf example
2 
3    This example code is in the Public Domain (or CC0 licensed, at your option.)
4 
5    Unless required by applicable law or agreed to in writing, this
6    software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
7    CONDITIONS OF ANY KIND, either express or implied.
8 */
9 
10 #include <stdio.h>
11 #include <string.h>
12 #include "sdkconfig.h"
13 #include "esp_log.h"
14 #include "esp_console.h"
15 #include "esp_vfs_fat.h"
16 #include "cmd_system.h"
17 #include "cmd_ethernet.h"
18 
19 static const char *TAG = "eth_example";
20 
21 #if CONFIG_EXAMPLE_STORE_HISTORY
22 
23 #define MOUNT_PATH "/data"
24 #define HISTORY_PATH MOUNT_PATH "/history.txt"
25 
initialize_filesystem(void)26 static void initialize_filesystem(void)
27 {
28     static wl_handle_t wl_handle;
29     const esp_vfs_fat_mount_config_t mount_config = {
30         .max_files = 4,
31         .format_if_mount_failed = true
32     };
33     esp_err_t err = esp_vfs_fat_spiflash_mount(MOUNT_PATH, "storage", &mount_config, &wl_handle);
34     if (err != ESP_OK) {
35         ESP_LOGE(TAG, "Failed to mount FATFS (%s)", esp_err_to_name(err));
36         return;
37     }
38 }
39 #endif // CONFIG_EXAMPLE_STORE_HISTORY
40 
app_main(void)41 void app_main(void)
42 {
43     esp_console_repl_t *repl = NULL;
44     esp_console_repl_config_t repl_config = ESP_CONSOLE_REPL_CONFIG_DEFAULT();
45     esp_console_dev_uart_config_t uart_config = ESP_CONSOLE_DEV_UART_CONFIG_DEFAULT();
46 #if CONFIG_EXAMPLE_STORE_HISTORY
47     initialize_filesystem();
48     repl_config.history_save_path = HISTORY_PATH;
49 #endif
50     repl_config.prompt = "iperf>";
51     // init console REPL environment
52     ESP_ERROR_CHECK(esp_console_new_repl_uart(&uart_config, &repl_config, &repl));
53 
54     /* Register commands */
55     register_system_common();
56     register_ethernet();
57 
58     printf("\n =======================================================\n");
59     printf(" |       Steps to Test Ethernet Bandwidth              |\n");
60     printf(" |                                                     |\n");
61     printf(" |  1. Enter 'help', check all supported commands      |\n");
62     printf(" |  2. Wait ESP32 to get IP from DHCP                  |\n");
63     printf(" |  3. Enter 'ethernet info', optional                 |\n");
64     printf(" |  4. Server: 'iperf -u -s -i 3'                      |\n");
65     printf(" |  5. Client: 'iperf -u -c SERVER_IP -t 60 -i 3'      |\n");
66     printf(" |                                                     |\n");
67     printf(" =======================================================\n\n");
68 
69     // start console REPL
70     ESP_ERROR_CHECK(esp_console_start_repl(repl));
71 }
72