2024-01-06 16:54:23 +00:00
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/*
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xdrv_121_gpioviewer.ino - GPIOViewer for Tasmota
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2024-01-08 21:16:33 +00:00
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SPDX-FileCopyrightText: 2024 Theo Arends, Stephan Hadinger and Charles Giguere
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2024-01-06 16:54:23 +00:00
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SPDX-License-Identifier: GPL-3.0-only
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*/
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#ifdef USE_GPIO_VIEWER
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/*********************************************************************************************\
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2024-01-08 21:16:33 +00:00
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* GPIOViewer support based on work by Charles Giguere
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2024-01-06 16:54:23 +00:00
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*
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2024-01-08 21:16:33 +00:00
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* Resources:
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* GPIO Viewer: https://github.com/thelastoutpostworkshop/gpio_viewer
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* Server Sent Event: https://github.com/esp8266/Arduino/issues/7008
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2024-01-06 16:54:23 +00:00
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\*********************************************************************************************/
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#define XDRV_121 121
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2024-01-10 14:51:19 +00:00
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#ifndef GV_PORT
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2024-01-07 14:10:19 +00:00
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#define GV_PORT 5557
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2024-01-10 14:51:19 +00:00
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#endif
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#ifndef GV_SAMPLING_INTERVAL
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#define GV_SAMPLING_INTERVAL 100 // [GvSampling] milliseconds - Use Tasmota Scheduler (100) or Ticker (20..99,101..1000)
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#endif
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2024-01-08 21:16:33 +00:00
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#define GV_KEEP_ALIVE 1000 // milliseconds - If no activity after this do a heap size event anyway
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2024-01-06 16:54:23 +00:00
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2024-01-12 11:17:31 +00:00
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//#define GV_BASE_URL "https://thelastoutpostworkshop.github.io/microcontroller_devkit/gpio_viewer/assets/"
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#ifdef ESP8266
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#ifndef GV_BASE_URL
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#undef GV_BASE_URL // Fix compiler warning
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#define GV_BASE_URL "https://ota.tasmota.com/tasmota/gpio_viewer/assets/"
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#endif
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#endif // ESP8266
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#ifdef ESP32
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#ifndef GV_BASE_URL
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#undef GV_BASE_URL // Fix compiler warning
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#define GV_BASE_URL "https://ota.tasmota.com/tasmota32/gpio_viewer/assets/"
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#endif
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#endif // ESP32
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2024-01-06 16:54:23 +00:00
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2024-01-09 13:58:33 +00:00
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const char *GVRelease = "1.0.7";
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2024-01-07 17:10:30 +00:00
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2024-01-06 16:54:23 +00:00
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const char HTTP_GV_PAGE[] PROGMEM =
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"<!DOCTYPE HTML>"
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"<html>"
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"<head>"
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2024-01-08 21:16:33 +00:00
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"<title>%s - GPIO Viewer</title>"
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2024-01-06 16:54:23 +00:00
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"<base href='" GV_BASE_URL "'>"
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"<link id='defaultStyleSheet' rel='stylesheet' href=''>"
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"<link id='boardStyleSheet' rel='stylesheet' href=''>"
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"<link rel='icon' href='favicon.ico' type='image/x-icon'>"
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"<script src='script/webSocket.js'></script>"
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"<script src='script/boardSwitcher.js'></script>"
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"<script>"
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"var serverPort=" STR(GV_PORT) ";"
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"var ip='%s';" // WiFi.localIP().toString().c_str()
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"var source=new EventSource('http://%s:" STR(GV_PORT) "/events');" // WiFi.localIP().toString().c_str()
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2024-01-10 14:51:19 +00:00
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"var sampling_interval='%d';" // Gv.sampling
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2024-01-08 21:16:33 +00:00
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#ifdef ESP32
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"var psramSize='%d KB';" // ESP.getPsramSize() / 1024
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#endif // ESP32
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2024-01-07 15:06:31 +00:00
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"var freeSketchSpace='%d KB';" // ESP_getFreeSketchSpace() / 1024
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2024-01-06 16:54:23 +00:00
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"</script>"
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"</head>"
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"<body>"
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"<div class='grid-container'>"
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2024-01-07 14:10:19 +00:00
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"<div id='messageBox' class='message-box hidden'></div>"
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2024-01-06 16:54:23 +00:00
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"<header class='header'></header>"
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// Image
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"<div class='image-container'>"
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"<div id='imageWrapper' class='image-wrapper'>"
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"<img id='boardImage' src='' alt='Board Image'>"
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"<div id='indicators'></div>"
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"</div>"
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"</div>"
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"</div>"
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"</body>"
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"</html>";
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2024-01-06 20:57:09 +00:00
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const char HTTP_GV_EVENT[] PROGMEM =
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"HTTP/1.1 200 OK\n"
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"Content-Type: text/event-stream;\n"
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"Connection: keep-alive\n"
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"Cache-Control: no-cache\n"
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"Access-Control-Allow-Origin: *\n\n";
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2024-01-06 16:54:23 +00:00
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enum GVPinTypes {
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2024-01-08 21:16:33 +00:00
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GV_DigitalPin = 0,
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GV_PWMPin = 1,
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GV_AnalogPin = 2
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2024-01-06 16:54:23 +00:00
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};
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struct {
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WiFiClient WebClient;
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ESP8266WebServer *WebServer;
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2024-01-10 14:51:19 +00:00
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Ticker ticker;
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2024-01-09 13:58:33 +00:00
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int lastPinStates[MAX_GPIO_PIN];
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2024-01-08 21:16:33 +00:00
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uint32_t lastSentWithNoActivity;
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2024-01-07 14:10:19 +00:00
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uint32_t freeHeap;
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uint32_t freePSRAM;
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2024-01-10 14:51:19 +00:00
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uint32_t sampling;
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2024-01-06 16:54:23 +00:00
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bool active;
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2024-01-09 13:58:33 +00:00
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bool sse_ready;
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2024-01-06 16:54:23 +00:00
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} GV;
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2024-01-12 15:54:24 +00:00
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void GVStop(void) {
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GV.sse_ready = false;
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GV.ticker.detach();
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GV.active = false;
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GV.WebServer->stop();
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GV.WebServer = nullptr;
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}
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2024-01-09 16:08:13 +00:00
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void GVBegin(void) {
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2024-01-10 14:51:19 +00:00
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if (0 == GV.sampling) {
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GV.sampling = (GV_SAMPLING_INTERVAL < 20) ? 20 : GV_SAMPLING_INTERVAL;
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}
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2024-01-09 16:08:13 +00:00
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GV.WebServer = new ESP8266WebServer(GV_PORT);
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// Set CORS headers for global responses
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GV.WebServer->sendHeader("Access-Control-Allow-Origin", "*");
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GV.WebServer->sendHeader("Access-Control-Allow-Methods", "GET, POST, OPTIONS");
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GV.WebServer->sendHeader("Access-Control-Allow-Headers", "Content-Type");
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GV.WebServer->on("/", GVHandleRoot);
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GV.WebServer->on("/release", GVHandleRelease);
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GV.WebServer->on("/free_psram", GVHandleFreePSRam);
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2024-01-12 15:54:24 +00:00
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GV.WebServer->on("/events", GVHandleEvents);
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2024-01-09 16:08:13 +00:00
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GV.WebServer->begin();
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GV.active = true;
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}
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void GVHandleRoot(void) {
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2024-01-12 15:54:24 +00:00
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GVCloseEvent();
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2024-01-09 16:08:13 +00:00
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char* content = ext_snprintf_malloc_P(HTTP_GV_PAGE,
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SettingsTextEscaped(SET_DEVICENAME).c_str(),
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2024-01-10 14:51:19 +00:00
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WiFi.localIP().toString().c_str(),
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WiFi.localIP().toString().c_str(),
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GV.sampling,
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2024-01-09 16:08:13 +00:00
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#ifdef ESP32
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ESP.getPsramSize() / 1024,
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#endif // ESP32
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ESP_getFreeSketchSpace() / 1024);
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if (content == nullptr) { return; } // Avoid crash
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GV.WebServer->send_P(200, "text/html", content);
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free(content);
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}
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void GVHandleRelease(void) {
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String jsonResponse = "{\"release\":\"" + String(GVRelease) + "\"}";
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GV.WebServer->send(200, "application/json", jsonResponse);
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}
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void GVHandleFreePSRam(void) {
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String jsonResponse = "{\"freePSRAM\":\"";
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#ifdef ESP32
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if (UsePSRAM()) {
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jsonResponse += String(ESP.getFreePsram() / 1024) + " KB\"}";
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} else
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#endif
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jsonResponse += "No PSRAM\"}";
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GV.WebServer->send(200, "application/json", jsonResponse);
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}
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2024-01-12 15:54:24 +00:00
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void GVHandleEvents(void) {
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GV.WebClient = GV.WebServer->client();
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GV.WebClient.setNoDelay(true);
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// GV.WebClient.setSync(true);
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GV.WebServer->setContentLength(CONTENT_LENGTH_UNKNOWN); // The payload can go on forever
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GV.WebServer->sendContent_P(HTTP_GV_EVENT);
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GV.sse_ready = true; // Ready for async updates
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if (GV.sampling != 100) {
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GV.ticker.attach_ms(GV.sampling, GVMonitorTask); // Use Tasmota Scheduler (100) or Ticker (20..99,101..1000)
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}
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AddLog(LOG_LEVEL_DEBUG, PSTR("IOV: Connected"));
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}
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void GVEventDisconnected(void) {
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if (GV.sse_ready) {
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AddLog(LOG_LEVEL_DEBUG, PSTR("IOV: Disconnected"));
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}
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GV.sse_ready = false; // This just stops the event to be restarted by opening root page again
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GV.ticker.detach();
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}
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void GVCloseEvent(void) {
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GVEventSend("{}", "close", millis()); // Closes window
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GVEventDisconnected();
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}
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2024-01-06 20:57:09 +00:00
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//void GVEventSend(const char *message, const char *event=NULL, uint32_t id=0, uint32_t reconnect=0);
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void GVEventSend(const char *message, const char *event, uint32_t id) {
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2024-01-06 16:54:23 +00:00
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if (GV.WebClient.connected()) {
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// generateEventMessage() in AsyncEventSource.cpp
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// GV.WebClient.printf_P(PSTR("retry: 0\r\nid: %u\r\nevent: %s\r\ndata: %s\r\n\r\n"), id, event, message);
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GV.WebClient.printf_P(PSTR("id: %u\r\nevent: %s\r\ndata: %s\r\n\r\n"), id, event, message);
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2024-01-09 16:08:13 +00:00
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} else {
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2024-01-12 15:54:24 +00:00
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GVEventDisconnected();
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2024-01-06 16:54:23 +00:00
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}
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}
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void GVMonitorTask(void) {
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2024-01-09 13:58:33 +00:00
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// Monitor GPIO Values
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uint32_t originalValue;
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2024-01-06 16:54:23 +00:00
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uint32_t pintype;
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bool hasChanges = false;
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2024-01-09 13:58:33 +00:00
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2024-01-08 21:16:33 +00:00
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String jsonMessage = "{";
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2024-01-07 14:10:19 +00:00
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for (uint32_t pin = 0; pin < MAX_GPIO_PIN; pin++) {
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2024-01-09 13:58:33 +00:00
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int currentState = 0;
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/*
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2024-01-12 11:17:31 +00:00
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// Skip unconfigured GPIO
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2024-01-09 13:58:33 +00:00
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uint32_t pin_type = GetPin(pin) / 32;
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if (GPIO_NONE == pin_type) {
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pintype = GV_DigitalPin;
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originalValue = 0;
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// currentState = 0;
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}
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*/
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#ifdef ESP32
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2024-01-12 11:17:31 +00:00
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// Read PWM GPIO
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2024-01-09 13:58:33 +00:00
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int pwm_resolution = ledcReadDutyResolution(pin);
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if (pwm_resolution > 0) {
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pintype = GV_PWMPin;
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originalValue = ledcRead2(pin);
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currentState = changeUIntScale(originalValue, 0, pwm_resolution, 0, 255); // bring back to 0..255
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}
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#endif // ESP32
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#ifdef ESP8266
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2024-01-12 11:17:31 +00:00
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// Read PWM GPIO
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2024-01-09 13:58:33 +00:00
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int pwm_value = AnalogRead(pin);
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if (pwm_value > -1) {
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pintype = GV_PWMPin;
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originalValue = pwm_value;
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currentState = changeUIntScale(originalValue, 0, Settings->pwm_range, 0, 255); // bring back to 0..255
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}
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#endif // ESP8266
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else if (AdcPin(pin)) {
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2024-01-12 11:17:31 +00:00
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// Read Analog (ADC) GPIO
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2024-01-09 13:58:33 +00:00
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pintype = GV_AnalogPin;
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2024-01-12 11:17:31 +00:00
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/*
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#ifdef ESP32
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2024-01-09 13:58:33 +00:00
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originalValue = AdcRead(pin, 2);
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2024-01-12 11:17:31 +00:00
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#endif // ESP32
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#ifdef ESP8266
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// Fix exception 9 if using ticker - GV.sampling != 100 (CallChain: (phy)pm_wakeup_init, (adc)test_tout, ets_timer_arm_new, delay, AdcRead, String6concat, MonitorTask)
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originalValue = (GV.sampling != 100) ? analogRead(pin) : AdcRead(pin, 1);
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#endif // ESP8266
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*/
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originalValue = AdcRead1(pin);
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currentState = changeUIntScale(originalValue, 0, AdcRange(), 0, 255); // bring back to 0..255
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}
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else {
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// Read digital GPIO
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2024-01-09 13:58:33 +00:00
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pintype = GV_DigitalPin;
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int value = digitalRead(pin);
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originalValue = value;
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if (value == 1) {
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currentState = 256;
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2024-01-10 14:51:19 +00:00
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// } else {
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// currentState = 0;
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2024-01-09 13:58:33 +00:00
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}
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}
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if (originalValue != GV.lastPinStates[pin]) {
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2024-01-08 21:16:33 +00:00
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if (hasChanges) { jsonMessage += ","; }
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2024-01-09 13:58:33 +00:00
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jsonMessage += "\"" + String(pin) + "\":{\"s\":" + currentState + ",\"v\":" + originalValue + ",\"t\":" + pintype + "}";
|
|
|
|
|
GV.lastPinStates[pin] = originalValue;
|
2024-01-07 14:10:19 +00:00
|
|
|
hasChanges = true;
|
2024-01-06 16:54:23 +00:00
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
jsonMessage += "}";
|
|
|
|
|
if (hasChanges) {
|
2024-01-06 20:57:09 +00:00
|
|
|
GVEventSend(jsonMessage.c_str(), "gpio-state", millis());
|
2024-01-06 16:54:23 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
uint32_t heap = ESP_getFreeHeap();
|
|
|
|
|
if (heap != GV.freeHeap) {
|
|
|
|
|
GV.freeHeap = heap;
|
2024-01-07 15:06:31 +00:00
|
|
|
char temp[20];
|
|
|
|
|
snprintf_P(temp, sizeof(temp), PSTR("%d KB"), heap / 1024);
|
|
|
|
|
GVEventSend(temp, "free_heap", millis());
|
2024-01-08 21:16:33 +00:00
|
|
|
hasChanges = true;
|
2024-01-06 16:54:23 +00:00
|
|
|
}
|
2024-01-07 14:10:19 +00:00
|
|
|
|
|
|
|
|
#ifdef ESP32
|
|
|
|
|
if (UsePSRAM()) {
|
|
|
|
|
uint32_t psram = ESP.getFreePsram();
|
|
|
|
|
if (psram != GV.freePSRAM) {
|
|
|
|
|
GV.freePSRAM = psram;
|
2024-01-07 15:06:31 +00:00
|
|
|
char temp[20];
|
|
|
|
|
snprintf_P(temp, sizeof(temp), PSTR("%d KB"), psram / 1024);
|
|
|
|
|
GVEventSend(temp, "free_psram", millis());
|
2024-01-08 21:16:33 +00:00
|
|
|
hasChanges = true;
|
2024-01-07 14:10:19 +00:00
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
#endif // ESP32
|
2024-01-08 21:16:33 +00:00
|
|
|
|
|
|
|
|
if (!hasChanges) {
|
|
|
|
|
uint32_t last_sent = millis() - GV.lastSentWithNoActivity;
|
|
|
|
|
if (last_sent > GV_KEEP_ALIVE) {
|
|
|
|
|
// No activity, resending for pulse
|
|
|
|
|
char temp[20];
|
|
|
|
|
snprintf_P(temp, sizeof(temp), PSTR("%d KB"), heap / 1024);
|
|
|
|
|
GVEventSend(temp, "free_heap", millis());
|
|
|
|
|
GV.lastSentWithNoActivity = millis();
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
GV.lastSentWithNoActivity = millis();
|
|
|
|
|
}
|
2024-01-06 16:54:23 +00:00
|
|
|
}
|
|
|
|
|
|
2024-01-09 16:08:13 +00:00
|
|
|
/*********************************************************************************************\
|
|
|
|
|
* Commands
|
|
|
|
|
\*********************************************************************************************/
|
2024-01-06 20:57:09 +00:00
|
|
|
|
2024-01-09 16:08:13 +00:00
|
|
|
const char kGVCommands[] PROGMEM = "GV|" // Prefix
|
2024-01-10 14:51:19 +00:00
|
|
|
"Viewer|Sampling";
|
2024-01-06 16:54:23 +00:00
|
|
|
|
2024-01-09 16:08:13 +00:00
|
|
|
void (* const GVCommand[])(void) PROGMEM = {
|
2024-01-10 14:51:19 +00:00
|
|
|
&CmndGvViewer, &CmndGvSampling };
|
|
|
|
|
|
|
|
|
|
void CmndGvViewer(void) {
|
|
|
|
|
/* GvViewer - Show current viewer state
|
|
|
|
|
GvViewer 0 - Turn viewer off
|
|
|
|
|
GvViewer 1 - Turn viewer On
|
|
|
|
|
GvViewer 2 - Toggle viewer state
|
|
|
|
|
*/
|
2024-01-09 16:08:13 +00:00
|
|
|
if ((XdrvMailbox.payload >= 0) && (XdrvMailbox.payload <= 2)) {
|
|
|
|
|
uint32_t state = XdrvMailbox.payload;
|
|
|
|
|
if (2 == state) { // Toggle
|
|
|
|
|
state = GV.active ^1;
|
|
|
|
|
}
|
|
|
|
|
if (state) { // On
|
|
|
|
|
GVBegin();
|
|
|
|
|
} else { // Off
|
2024-01-12 15:54:24 +00:00
|
|
|
GVCloseEvent(); // Stop current updates
|
2024-01-09 16:08:13 +00:00
|
|
|
GVStop();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if (GV.active) {
|
|
|
|
|
Response_P(PSTR("{\"%s\":\"Active on http://%s:" STR(GV_PORT) "/\"}"), XdrvMailbox.command, WiFi.localIP().toString().c_str());
|
|
|
|
|
} else {
|
|
|
|
|
ResponseCmndChar_P(PSTR("Stopped"));
|
|
|
|
|
}
|
2024-01-06 16:54:23 +00:00
|
|
|
}
|
|
|
|
|
|
2024-01-10 14:51:19 +00:00
|
|
|
void CmndGvSampling(void) {
|
|
|
|
|
/* GvSampling - Show current sampling interval
|
|
|
|
|
GvSampling 20 .. 1000 - Set sampling interval
|
|
|
|
|
*/
|
|
|
|
|
if ((XdrvMailbox.payload >= 20) && (XdrvMailbox.payload <= 1000)) {
|
2024-01-12 15:54:24 +00:00
|
|
|
GVCloseEvent(); // Stop current updates
|
2024-01-10 14:51:19 +00:00
|
|
|
GV.sampling = XdrvMailbox.payload; // 20 - 1000 milliseconds
|
|
|
|
|
}
|
|
|
|
|
ResponseCmndNumber(GV.sampling);
|
|
|
|
|
}
|
|
|
|
|
|
2024-01-09 13:58:33 +00:00
|
|
|
/*********************************************************************************************\
|
|
|
|
|
* GUI
|
|
|
|
|
\*********************************************************************************************/
|
|
|
|
|
#ifdef USE_WEBSERVER
|
|
|
|
|
#define WEB_HANDLE_GV "gv1"
|
|
|
|
|
|
|
|
|
|
const char HTTP_BTN_MENU_GV[] PROGMEM =
|
|
|
|
|
"<p><form action='" WEB_HANDLE_GV "' method='get' target='_blank'><button>" D_GPIO_VIEWER "</button></form></p>";
|
|
|
|
|
|
|
|
|
|
void GVSetupAndStart(void) {
|
|
|
|
|
if (!HttpCheckPriviledgedAccess()) { return; }
|
|
|
|
|
|
|
|
|
|
AddLog(LOG_LEVEL_DEBUG, PSTR(D_LOG_HTTP D_GPIO_VIEWER));
|
|
|
|
|
|
2024-01-12 15:54:24 +00:00
|
|
|
if (!GV.active) { // WebServer not started
|
2024-01-09 13:58:33 +00:00
|
|
|
GVBegin();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
char redirect[100];
|
|
|
|
|
snprintf_P(redirect, sizeof(redirect), PSTR("http://%s:" STR(GV_PORT) "/"), WiFi.localIP().toString().c_str());
|
|
|
|
|
Webserver->sendHeader(F("Location"), redirect);
|
|
|
|
|
Webserver->send(303);
|
|
|
|
|
}
|
|
|
|
|
#endif // USE_WEBSERVER
|
|
|
|
|
|
2024-01-06 16:54:23 +00:00
|
|
|
/*********************************************************************************************\
|
|
|
|
|
* Interface
|
|
|
|
|
\*********************************************************************************************/
|
|
|
|
|
|
|
|
|
|
bool Xdrv121(uint32_t function) {
|
|
|
|
|
bool result = false;
|
|
|
|
|
|
2024-01-09 13:58:33 +00:00
|
|
|
switch (function) {
|
2024-01-09 16:08:13 +00:00
|
|
|
case FUNC_COMMAND:
|
|
|
|
|
result = DecodeCommand(kGVCommands, GVCommand);
|
|
|
|
|
break;
|
2024-01-09 13:58:33 +00:00
|
|
|
#ifdef USE_WEBSERVER
|
|
|
|
|
case FUNC_WEB_ADD_MANAGEMENT_BUTTON:
|
|
|
|
|
if (XdrvMailbox.index) {
|
|
|
|
|
XdrvMailbox.index++;
|
|
|
|
|
} else {
|
|
|
|
|
WSContentSend_PD(HTTP_BTN_MENU_GV);
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
case FUNC_WEB_ADD_HANDLER:
|
|
|
|
|
Webserver->on(PSTR("/" WEB_HANDLE_GV), GVSetupAndStart);
|
|
|
|
|
break;
|
|
|
|
|
#endif // USE_WEBSERVER
|
|
|
|
|
}
|
2024-01-06 16:54:23 +00:00
|
|
|
if (GV.active) {
|
|
|
|
|
switch (function) {
|
|
|
|
|
case FUNC_LOOP:
|
|
|
|
|
if (GV.WebServer) { GV.WebServer->handleClient(); }
|
|
|
|
|
break;
|
|
|
|
|
case FUNC_EVERY_100_MSECOND:
|
2024-01-10 14:51:19 +00:00
|
|
|
if (GV.sse_ready && (100 == GV.sampling)) {
|
|
|
|
|
GVMonitorTask();
|
|
|
|
|
}
|
2024-01-06 16:54:23 +00:00
|
|
|
break;
|
|
|
|
|
case FUNC_ACTIVE:
|
|
|
|
|
result = true;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
return result;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#endif // USE_GPIO_VIEWER
|
