esp-idf/examples/wifi/power_save/main/get_ap_info.c

69 lines
1.9 KiB
C

/*
* SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Unlicense OR CC0-1.0
*/
#include <string.h>
#include "sdkconfig.h"
#include "esp_log.h"
#include "esp_vfs_dev.h"
#include "driver/uart.h"
#if CONFIG_EXAMPLE_GET_AP_INFO_FROM_STDIN
static const char *TAG = "power_save";
static char stdin_ssid[32];
static char stdin_password[64];
void get_ap_info_from_stdin(void)
{
// Initialize VFS & UART so we can use std::cout/cin
setvbuf(stdin, NULL, _IONBF, 0);
/* Install UART driver for interrupt-driven reads and writes */
ESP_ERROR_CHECK( uart_driver_install( (uart_port_t)CONFIG_ESP_CONSOLE_UART_NUM,
256, 0, 0, NULL, 0) );
/* Tell VFS to use UART driver */
esp_vfs_dev_uart_use_driver(CONFIG_ESP_CONSOLE_UART_NUM);
esp_vfs_dev_uart_port_set_rx_line_endings(CONFIG_ESP_CONSOLE_UART_NUM, ESP_LINE_ENDINGS_CR);
/* Move the caret to the beginning of the next line on '\n' */
esp_vfs_dev_uart_port_set_tx_line_endings(CONFIG_ESP_CONSOLE_UART_NUM, ESP_LINE_ENDINGS_CRLF);
ESP_LOGI(TAG, "Input SSID:");
if (fgets(stdin_ssid, 32, stdin) == NULL) {
ESP_LOGE(TAG, "Failed to get SSID");
} else {
stdin_ssid[strcspn(stdin_ssid, "\n")] = '\0';
}
ESP_LOGI(TAG, "Input Password:");
if (fgets(stdin_password, 64, stdin) == NULL) {
ESP_LOGE(TAG, "Failed to get password");
} else {
stdin_password[strcspn(stdin_password, "\n")] = '\0';
}
/* Back to use non-blocking vfs console*/
esp_vfs_dev_uart_use_nonblocking(CONFIG_ESP_CONSOLE_UART_NUM);
uart_driver_delete(CONFIG_ESP_CONSOLE_UART_NUM);
}
#endif
char *get_ap_ssid(void)
{
#if CONFIG_EXAMPLE_GET_AP_INFO_FROM_STDIN
return stdin_ssid;
#else
return CONFIG_EXAMPLE_WIFI_SSID;
#endif
}
char *get_ap_password(void)
{
#if CONFIG_EXAMPLE_GET_AP_INFO_FROM_STDIN
return stdin_password;
#else
return CONFIG_EXAMPLE_WIFI_PASSWORD;
#endif
}