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.
144 lines
4.8 KiB
C
144 lines
4.8 KiB
C
/* ICMP echo 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 <stdio.h>
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#include <string.h>
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#include "sdkconfig.h"
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#include "esp_system.h"
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#include "esp_log.h"
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#include "esp_console.h"
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#include "driver/uart.h"
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#include "esp_vfs_dev.h"
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#include "esp_event.h"
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#include "linenoise/linenoise.h"
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#include "argtable3/argtable3.h"
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#include "nvs_flash.h"
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#include "protocol_examples_common.h"
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#include "cmd_ping.h"
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static void initialize_console(void)
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{
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/* Disable buffering on stdin */
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setvbuf(stdin, NULL, _IONBF, 0);
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/* Minicom, screen, idf_monitor send CR when ENTER key is pressed */
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esp_vfs_dev_uart_set_rx_line_endings(ESP_LINE_ENDINGS_CR);
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/* Move the caret to the beginning of the next line on '\n' */
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esp_vfs_dev_uart_set_tx_line_endings(ESP_LINE_ENDINGS_CRLF);
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/* Configure UART. Note that REF_TICK is used so that the baud rate remains
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* correct while APB frequency is changing in light sleep mode.
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*/
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const uart_config_t uart_config = {
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.baud_rate = CONFIG_ESP_CONSOLE_UART_BAUDRATE,
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.data_bits = UART_DATA_8_BITS,
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.parity = UART_PARITY_DISABLE,
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.stop_bits = UART_STOP_BITS_1,
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.source_clk = UART_SCLK_REF_TICK,
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};
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/* Install UART driver for interrupt-driven reads and writes */
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ESP_ERROR_CHECK(uart_driver_install(CONFIG_ESP_CONSOLE_UART_NUM, 256, 0, 0, NULL, 0));
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ESP_ERROR_CHECK(uart_param_config(CONFIG_ESP_CONSOLE_UART_NUM, &uart_config));
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/* Tell VFS to use UART driver */
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esp_vfs_dev_uart_use_driver(CONFIG_ESP_CONSOLE_UART_NUM);
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/* Initialize the console */
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esp_console_config_t console_config = {
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.max_cmdline_args = 16,
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.max_cmdline_length = 256,
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#if CONFIG_LOG_COLORS
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.hint_color = atoi(LOG_COLOR_CYAN)
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#endif
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};
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ESP_ERROR_CHECK(esp_console_init(&console_config));
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/* Configure linenoise line completion library */
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/* Enable multiline editing. If not set, long commands will scroll within
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* single line.
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*/
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linenoiseSetMultiLine(1);
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/* Tell linenoise where to get command completions and hints */
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linenoiseSetCompletionCallback(&esp_console_get_completion);
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linenoiseSetHintsCallback((linenoiseHintsCallback *) &esp_console_get_hint);
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/* Set command history size */
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linenoiseHistorySetMaxLen(100);
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}
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void app_main(void)
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{
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initialize_console();
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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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/* wait for active network connection */
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ESP_ERROR_CHECK(example_connect());
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/* Register commands */
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esp_console_register_help_command();
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register_ping();
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/* Prompt to be printed before each line.
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* This can be customized, made dynamic, etc.
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*/
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const char *prompt = LOG_COLOR_I "esp32> " LOG_RESET_COLOR;
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printf("\n"
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"Type 'help' to get the list of commands.\n"
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"Use UP/DOWN arrows to navigate through command history.\n"
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"Press TAB when typing command name to auto-complete.\n");
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/* Figure out if the terminal supports escape sequences */
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int probe_status = linenoiseProbe();
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if (probe_status) { /* zero indicates success */
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printf("\n"
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"Your terminal application does not support escape sequences.\n"
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"Line editing and history features are disabled.\n"
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"On Windows, try using Putty instead.\n");
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linenoiseSetDumbMode(1);
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#if CONFIG_LOG_COLORS
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/* Since the terminal doesn't support escape sequences,
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* don't use color codes in the prompt.
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*/
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prompt = "esp32> ";
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#endif //CONFIG_LOG_COLORS
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}
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/* Main loop */
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while (true) {
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/* Get a line using linenoise.
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* The line is returned when ENTER is pressed.
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*/
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char *line = linenoise(prompt);
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if (line == NULL) { /* Ignore empty lines */
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continue;
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}
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/* Add the command to the history */
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linenoiseHistoryAdd(line);
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/* Try to run the command */
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int ret;
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esp_err_t err = esp_console_run(line, &ret);
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if (err == ESP_ERR_NOT_FOUND) {
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printf("Unrecognized command\n");
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} else if (err == ESP_ERR_INVALID_ARG) {
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// command was empty
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} else if (err == ESP_OK && ret != ESP_OK) {
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printf("Command returned non-zero error code: 0x%x (%s)\n", ret, esp_err_to_name(ret));
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} else if (err != ESP_OK) {
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printf("Internal error: %s\n", esp_err_to_name(err));
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}
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/* linenoise allocates line buffer on the heap, so need to free it */
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linenoiseFree(line);
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}
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}
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