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376 lines
10 KiB
376 lines
10 KiB
/*
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WIFI MODULE
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Copyright (C) 2016-2018 by Xose Pérez <xose dot perez at gmail dot com>
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*/
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#include "JustWifi.h"
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// -----------------------------------------------------------------------------
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// WIFI
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// -----------------------------------------------------------------------------
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void _wifiWebSocketOnSend(JsonObject& root) {
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root["maxNetworks"] = WIFI_MAX_NETWORKS;
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JsonArray& wifi = root.createNestedArray("wifi");
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for (byte i=0; i<WIFI_MAX_NETWORKS; i++) {
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if (!hasSetting("ssid", i)) break;
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JsonObject& network = wifi.createNestedObject();
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network["ssid"] = getSetting("ssid", i, "");
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network["pass"] = getSetting("pass", i, "");
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network["ip"] = getSetting("ip", i, "");
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network["gw"] = getSetting("gw", i, "");
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network["mask"] = getSetting("mask", i, "");
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network["dns"] = getSetting("dns", i, "");
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}
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}
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String getIP() {
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if (WiFi.getMode() == WIFI_AP) {
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return WiFi.softAPIP().toString();
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}
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return WiFi.localIP().toString();
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}
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String getNetwork() {
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if (WiFi.getMode() == WIFI_AP) {
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return jw.getAPSSID();
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}
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return WiFi.SSID();
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}
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double wifiDistance(int rssi) {
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double exponent = (double) (WIFI_RSSI_1M - rssi) / WIFI_PROPAGATION_CONST / 10.0;
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return round(pow(10, exponent));
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}
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void wifiDisconnect() {
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jw.disconnect();
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}
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void resetConnectionTimeout() {
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jw.resetReconnectTimeout();
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}
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bool wifiConnected() {
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return jw.connected();
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}
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bool createAP() {
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jw.disconnect();
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jw.resetReconnectTimeout();
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return jw.createAP();
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}
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void wifiReconnectCheck() {
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bool connected = false;
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#if WEB_SUPPORT
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if (wsConnected()) connected = true;
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#endif
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#if TELNET_SUPPORT
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if (telnetConnected()) connected = true;
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#endif
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jw.setReconnectTimeout(connected ? 0 : WIFI_RECONNECT_INTERVAL);
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}
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void wifiConfigure() {
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jw.setHostname(getSetting("hostname").c_str());
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#if USE_PASSWORD
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jw.setSoftAP(getSetting("hostname").c_str(), getSetting("adminPass", ADMIN_PASS).c_str());
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#else
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jw.setSoftAP(getSetting("hostname").c_str());
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#endif
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jw.setConnectTimeout(WIFI_CONNECT_TIMEOUT);
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wifiReconnectCheck();
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jw.setAPMode(WIFI_AP_MODE);
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jw.cleanNetworks();
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// If system is flagged unstable we do not init wifi networks
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#if SYSTEM_CHECK_ENABLED
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if (!systemCheck()) return;
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#endif
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// Clean settings
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wifiClean(WIFI_MAX_NETWORKS);
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int i;
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for (i = 0; i< WIFI_MAX_NETWORKS; i++) {
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if (getSetting("ssid" + String(i)).length() == 0) break;
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if (getSetting("ip" + String(i)).length() == 0) {
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jw.addNetwork(
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getSetting("ssid" + String(i)).c_str(),
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getSetting("pass" + String(i)).c_str()
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);
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} else {
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jw.addNetwork(
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getSetting("ssid" + String(i)).c_str(),
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getSetting("pass" + String(i)).c_str(),
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getSetting("ip" + String(i)).c_str(),
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getSetting("gw" + String(i)).c_str(),
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getSetting("mask" + String(i)).c_str(),
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getSetting("dns" + String(i)).c_str()
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);
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}
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}
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jw.scanNetworks(true);
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}
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void wifiStatus() {
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if (WiFi.getMode() == WIFI_AP_STA) {
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DEBUG_MSG_P(PSTR("[WIFI] MODE AP + STA --------------------------------\n"));
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} else if (WiFi.getMode() == WIFI_AP) {
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DEBUG_MSG_P(PSTR("[WIFI] MODE AP --------------------------------------\n"));
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} else if (WiFi.getMode() == WIFI_STA) {
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DEBUG_MSG_P(PSTR("[WIFI] MODE STA -------------------------------------\n"));
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} else {
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DEBUG_MSG_P(PSTR("[WIFI] MODE OFF -------------------------------------\n"));
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DEBUG_MSG_P(PSTR("[WIFI] No connection\n"));
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}
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if ((WiFi.getMode() & WIFI_AP) == WIFI_AP) {
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DEBUG_MSG_P(PSTR("[WIFI] SSID %s\n"), jw.getAPSSID().c_str());
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DEBUG_MSG_P(PSTR("[WIFI] PASS %s\n"), getSetting("adminPass", ADMIN_PASS).c_str());
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DEBUG_MSG_P(PSTR("[WIFI] IP %s\n"), WiFi.softAPIP().toString().c_str());
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DEBUG_MSG_P(PSTR("[WIFI] MAC %s\n"), WiFi.softAPmacAddress().c_str());
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}
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if ((WiFi.getMode() & WIFI_STA) == WIFI_STA) {
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uint8_t * bssid = WiFi.BSSID();
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DEBUG_MSG_P(PSTR("[WIFI] SSID %s\n"), WiFi.SSID().c_str());
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DEBUG_MSG_P(PSTR("[WIFI] IP %s\n"), WiFi.localIP().toString().c_str());
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DEBUG_MSG_P(PSTR("[WIFI] MAC %s\n"), WiFi.macAddress().c_str());
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DEBUG_MSG_P(PSTR("[WIFI] GW %s\n"), WiFi.gatewayIP().toString().c_str());
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DEBUG_MSG_P(PSTR("[WIFI] DNS %s\n"), WiFi.dnsIP().toString().c_str());
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DEBUG_MSG_P(PSTR("[WIFI] MASK %s\n"), WiFi.subnetMask().toString().c_str());
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DEBUG_MSG_P(PSTR("[WIFI] HOST %s\n"), WiFi.hostname().c_str());
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DEBUG_MSG_P(PSTR("[WIFI] BSSID %02X:%02X:%02X:%02X:%02X:%02X\n"),
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bssid[0], bssid[1], bssid[2], bssid[3], bssid[4], bssid[5], bssid[6]
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);
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DEBUG_MSG_P(PSTR("[WIFI] CH %d\n"), WiFi.channel());
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DEBUG_MSG_P(PSTR("[WIFI] RSSI %d\n"), WiFi.RSSI());
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}
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DEBUG_MSG_P(PSTR("[WIFI] ----------------------------------------------\n"));
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}
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void wifiScan() {
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DEBUG_MSG_P(PSTR("[WIFI] Start scanning\n"));
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unsigned char result = WiFi.scanNetworks();
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if (result == WIFI_SCAN_FAILED) {
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DEBUG_MSG_P(PSTR("[WIFI] Scan failed\n"));
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} else if (result == 0) {
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DEBUG_MSG_P(PSTR("[WIFI] No networks found\n"));
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} else {
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DEBUG_MSG_P(PSTR("[WIFI] %d networks found:\n"), result);
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// Populate defined networks with scan data
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for (int8_t i = 0; i < result; ++i) {
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String ssid_scan;
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int32_t rssi_scan;
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uint8_t sec_scan;
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uint8_t* BSSID_scan;
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int32_t chan_scan;
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bool hidden_scan;
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WiFi.getNetworkInfo(i, ssid_scan, sec_scan, rssi_scan, BSSID_scan, chan_scan, hidden_scan);
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DEBUG_MSG_P(PSTR("[WIFI] - BSSID: %02X:%02X:%02X:%02X:%02X:%02X SEC: %s RSSI: %3d CH: %2d SSID: %s\n"),
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BSSID_scan[1], BSSID_scan[2], BSSID_scan[3], BSSID_scan[4], BSSID_scan[5], BSSID_scan[6],
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(sec_scan != ENC_TYPE_NONE ? "YES" : "NO "),
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rssi_scan,
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chan_scan,
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(char *) ssid_scan.c_str()
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);
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}
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}
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WiFi.scanDelete();
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}
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bool wifiClean(unsigned char num) {
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bool changed = false;
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int i = 0;
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// Clean defined settings
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while (i < num) {
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// Skip on first non-defined setting
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if (!hasSetting("ssid", i)) {
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delSetting("ssid", i);
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break;
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}
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// Delete empty values
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if (!hasSetting("pass", i)) delSetting("pass", i);
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if (!hasSetting("ip", i)) delSetting("ip", i);
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if (!hasSetting("gw", i)) delSetting("gw", i);
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if (!hasSetting("mask", i)) delSetting("mask", i);
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if (!hasSetting("dns", i)) delSetting("dns", i);
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++i;
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}
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// Delete all other settings
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while (i < WIFI_MAX_NETWORKS) {
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changed = hasSetting("ssid", i);
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delSetting("ssid", i);
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delSetting("pass", i);
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delSetting("ip", i);
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delSetting("gw", i);
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delSetting("mask", i);
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delSetting("dns", i);
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++i;
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}
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return changed;
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}
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// Inject hardcoded networks
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void wifiInject() {
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#ifdef WIFI1_SSID
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if (getSetting("ssid", 0, "").length() == 0) setSetting("ssid", 0, WIFI1_SSID);
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#endif
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#ifdef WIFI1_PASS
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if (getSetting("pass", 0, "").length() == 0) setSetting("pass", 0, WIFI1_PASS);
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#endif
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#ifdef WIFI1_IP
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if (getSetting("ip", 0, "").length() == 0) setSetting("ip", 0, WIFI1_IP);
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#endif
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#ifdef WIFI1_GW
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if (getSetting("gw", 0, "").length() == 0) setSetting("gw", 0, WIFI1_GW);
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#endif
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#ifdef WIFI1_MASK
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if (getSetting("mask", 0, "").length() == 0) setSetting("mask", 0, WIFI1_MASK);
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#endif
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#ifdef WIFI1_DNS
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if (getSetting("dns", 0, "").length() == 0) setSetting("dns", 0, WIFI1_DNS);
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#endif
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#ifdef WIFI2_SSID
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if (getSetting("ssid", 1, "").length() == 0) setSetting("ssid", 1, WIFI2_SSID);
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#endif
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#ifdef WIFI2_PASS
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if (getSetting("pass", 1, "").length() == 0) setSetting("pass", 1, WIFI2_PASS);
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#endif
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#ifdef WIFI2_IP
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if (getSetting("ip", 1, "").length() == 0) setSetting("ip", 1, WIFI2_IP);
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#endif
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#ifdef WIFI2_GW
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if (getSetting("gw", 1, "").length() == 0) setSetting("gw", 1, WIFI2_GW);
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#endif
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#ifdef WIFI2_MASK
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if (getSetting("mask", 1, "").length() == 0) setSetting("mask", 1, WIFI2_MASK);
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#endif
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#ifdef WIFI2_DNS
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if (getSetting("dns", 1, "").length() == 0) setSetting("dns", 1, WIFI2_DNS);
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#endif
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}
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#if DEBUG_SUPPORT
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void _wifiDebug(justwifi_messages_t code, char * parameter) {
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if (code == MESSAGE_SCANNING) {
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DEBUG_MSG_P(PSTR("[WIFI] Scanning\n"));
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}
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if (code == MESSAGE_SCAN_FAILED) {
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DEBUG_MSG_P(PSTR("[WIFI] Scan failed\n"));
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}
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if (code == MESSAGE_NO_NETWORKS) {
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DEBUG_MSG_P(PSTR("[WIFI] No networks found\n"));
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}
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if (code == MESSAGE_NO_KNOWN_NETWORKS) {
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DEBUG_MSG_P(PSTR("[WIFI] No known networks found\n"));
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}
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if (code == MESSAGE_FOUND_NETWORK) {
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DEBUG_MSG_P(PSTR("[WIFI] %s\n"), parameter);
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}
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if (code == MESSAGE_CONNECTING) {
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DEBUG_MSG_P(PSTR("[WIFI] Connecting to %s\n"), parameter);
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}
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if (code == MESSAGE_CONNECT_WAITING) {
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// too much noise
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}
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if (code == MESSAGE_CONNECT_FAILED) {
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DEBUG_MSG_P(PSTR("[WIFI] Could not connect to %s\n"), parameter);
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}
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if (code == MESSAGE_CONNECTED) {
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wifiStatus();
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}
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if (code == MESSAGE_ACCESSPOINT_CREATED) {
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wifiStatus();
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}
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if (code == MESSAGE_DISCONNECTED) {
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DEBUG_MSG_P(PSTR("[WIFI] Disconnected\n"));
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}
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if (code == MESSAGE_ACCESSPOINT_CREATING) {
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DEBUG_MSG_P(PSTR("[WIFI] Creating access point\n"));
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}
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if (code == MESSAGE_ACCESSPOINT_FAILED) {
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DEBUG_MSG_P(PSTR("[WIFI] Could not create access point\n"));
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}
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}
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#endif // DEBUG_SUPPORT
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void wifiRegister(wifi_callback_f callback) {
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jw.subscribe(callback);
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}
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void wifiSetup() {
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#if WIFI_SLEEP_ENABLED
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wifi_set_sleep_type(LIGHT_SLEEP_T);
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#endif
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wifiInject();
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wifiConfigure();
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// Message callbacks
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#if DEBUG_SUPPORT
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wifiRegister(_wifiDebug);
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#endif
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#if WEB_SUPPORT
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wsOnSendRegister(_wifiWebSocketOnSend);
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wsOnAfterParseRegister(wifiConfigure);
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#endif
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}
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void wifiLoop() {
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jw.loop();
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}
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