81 lines
2.7 KiB
C++
81 lines
2.7 KiB
C++
#include "wifi_util.h"
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namespace config {
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// WiFi config. See 'config.h' if you want to modify those values.
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const char *wifi_ssid = WIFI_SSID;
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const char *wifi_password = WIFI_PASSWORD;
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#ifdef WIFI_TIMEOUT
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const uint8_t wifi_timeout = WIFI_TIMEOUT; // [s] Will try to connect during wifi_timeout seconds before failing.
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#else
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const uint8_t wifi_timeout = 60; // [s] Will try to connect during wifi_timeout seconds before failing.
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#endif
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}
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namespace wifi {
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char local_ip[16]; // "255.255.255.255\0"
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void scanNetworks() {
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Serial.println();
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Serial.println(F("WiFi - Scanning..."));
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bool async = false;
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bool showHidden = true;
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int n = WiFi.scanNetworks(async, showHidden);
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for (int i = 0; i < n; ++i) {
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Serial.print(F(" * '"));
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Serial.print(WiFi.SSID(i));
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Serial.print(F("' ("));
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int16_t quality = 2 * (100 + WiFi.RSSI(i));
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Serial.print(util::min(util::max(quality, 0), 100));
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Serial.println(F(" %)"));
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}
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Serial.println(F("Done!"));
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Serial.println();
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}
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void showLocalIp() {
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Serial.print(F("WiFi - Local IP : "));
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Serial.println(wifi::local_ip);
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Serial.print(F("WiFi - SSID : "));
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Serial.println(WIFI_SSID);
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}
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// Initialize Wi-Fi
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void connect(const char *hostname) {
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sensor_console::defineCommand("wifi_scan", scanNetworks, F("(Scans available WiFi networks)"));
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sensor_console::defineCommand("local_ip", showLocalIp, F("(Displays local IP and current SSID)"));
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//NOTE: WiFi Multi could allow multiple SSID and passwords.
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WiFi.persistent(false); // Don't write user & password to Flash.
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WiFi.mode(WIFI_STA); // Set ESP to be a WiFi-client only
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#if defined(ESP8266)
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WiFi.hostname(hostname);
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#elif defined(ESP32)
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WiFi.setHostname(hostname);
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#endif
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Serial.print(F("WiFi - Connecting to "));
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Serial.println(config::wifi_ssid);
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WiFi.begin(config::wifi_ssid, config::wifi_password);
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// Wait for connection, at most wifi_timeout seconds
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for (int i = 0; i <= config::wifi_timeout && (WiFi.status() != WL_CONNECTED); i++) {
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led_effects::showRainbowWheel();
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Serial.print(".");
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}
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if (WiFi.status() == WL_CONNECTED) {
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led_effects::showKITTWheel(color::green);
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Serial.println();
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Serial.print(F("WiFi - Connected! IP address: "));
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IPAddress address = WiFi.localIP();
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snprintf(local_ip, sizeof(local_ip), "%d.%d.%d.%d", address[0], address[1], address[2], address[3]);
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Serial.println(local_ip);
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} else {
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//TODO: Allow sensor to work as an Access Point, in order to define SSID & password?
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led_effects::showKITTWheel(color::red);
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Serial.println(F("Connection to WiFi failed"));
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}
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}
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}
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