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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SPDX-FileCopyrightText: 2024 Theo Arends
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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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* GPIOViewer support
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*
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* Open webpage <device_ip_address>:8080 and watch realtime GPIO states
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\*********************************************************************************************/
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#define XDRV_121 121
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2024-01-07 14:10:19 +00:00
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#define GV_PORT 5557
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2024-01-06 16:54:23 +00:00
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#define GV_SAMPLING_INTERVAL 100 // Relates to FUNC_EVERY_100_MSECOND
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#define GV_BASE_URL "https://thelastoutpostworkshop.github.io/microcontroller_devkit/gpio_viewer/assets/"
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2024-01-07 17:10:30 +00:00
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const char *GVRelease = "1.0.7";
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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 08:29:02 +00:00
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"<title>%s - GPIO State</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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"var sampling_interval='" STR(GV_SAMPLING_INTERVAL) "';"
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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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2024-01-07 15:06:31 +00:00
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const char HTTP_BTN_MENU_GV[] PROGMEM =
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"<p><form action='http://%s:" STR(GV_PORT) "/' method='post' target='_blank'><button>" D_GPIO_VIEWER "</button></form></p>";
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2024-01-06 16:54:23 +00:00
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enum GVPinTypes {
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digitalPin = 0,
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PWMPin = 1,
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analogPin = 2
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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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2024-01-06 20:57:09 +00:00
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uint32_t lastPinStates[MAX_GPIO_PIN];
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2024-01-07 14:10:19 +00:00
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uint32_t resolution;
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uint32_t freeHeap;
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uint32_t freePSRAM;
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2024-01-06 20:57:09 +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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bool active;
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} GV;
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2024-01-07 14:10:19 +00:00
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int GVReadGPIO(int gpioNum, uint32_t *originalValue, uint32_t *pintype) {
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uint32_t pin_type = GetPin(gpioNum) / 32;
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/*
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if (GPIO_NONE == pin_type) {
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*pintype = digitalPin;
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*originalValue = 0;
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return 0;
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2024-01-06 16:54:23 +00:00
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}
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2024-01-07 14:10:19 +00:00
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*/
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2024-01-06 16:54:23 +00:00
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#ifdef ESP32
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2024-01-07 14:10:19 +00:00
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int pwm_resolution = ledcReadDutyResolution(gpioNum);
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if (pwm_resolution > 0) {
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2024-01-06 16:54:23 +00:00
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*pintype = PWMPin;
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2024-01-07 14:10:19 +00:00
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*originalValue = ledcRead2(gpioNum);
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return changeUIntScale(*originalValue, 0, pwm_resolution, 0, 255); // bring back to 0..255
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2024-01-06 16:54:23 +00:00
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}
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#endif // ESP32
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2024-01-07 14:10:19 +00:00
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2024-01-06 16:54:23 +00:00
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#ifdef ESP8266
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2024-01-07 14:10:19 +00:00
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int pwm_value = AnalogRead(gpioNum);
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if (pwm_value > -1) {
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*pintype = PWMPin;
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*originalValue = pwm_value;
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int pwm_resolution = GV.resolution;
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return changeUIntScale(*originalValue, 0, pwm_resolution, 0, 255); // bring back to 0..255
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}
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2024-01-06 16:54:23 +00:00
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#endif // ESP8266
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2024-01-07 14:10:19 +00:00
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else if (AdcPin(gpioNum)) {
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int adc_resolution = (1 << AdcResolution()) - 1;
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*originalValue = AdcRead(gpioNum, 2);
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2024-01-06 16:54:23 +00:00
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*pintype = analogPin;
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2024-01-07 14:10:19 +00:00
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return changeUIntScale(*originalValue, 0, adc_resolution, 0, 255); // bring back to 0..255
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2024-01-06 16:54:23 +00:00
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}
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2024-01-07 14:10:19 +00:00
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*pintype = digitalPin;
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int value = digitalRead(gpioNum);
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*originalValue = value;
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if (value == 1) {
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return 256;
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2024-01-06 16:54:23 +00:00
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}
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2024-01-07 14:10:19 +00:00
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return 0;
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2024-01-06 16:54:23 +00:00
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}
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void GVResetStatePins(void) {
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uint32_t originalValue;
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uint32_t pintype;
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AddLog(LOG_LEVEL_INFO, "IOV: GPIOViewer Connected, sampling interval is " STR(GV_SAMPLING_INTERVAL) "ms");
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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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GV.lastPinStates[pin] = GVReadGPIO(pin, &originalValue, &pintype);
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2024-01-06 16:54:23 +00:00
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}
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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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}
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}
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// Monitor GPIO Values
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void GVMonitorTask(void) {
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2024-01-07 14:10:19 +00:00
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#ifdef ESP8266
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// Can change on the fly
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uint32_t pwm_range = Settings->pwm_range + 1;
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GV.resolution = 0;
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while (pwm_range) {
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GV.resolution++;
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pwm_range >>= 1;
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}
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#endif // ESP8266
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2024-01-06 16:54:23 +00:00
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uint32_t originalValue;
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uint32_t pintype;
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String jsonMessage = "{";
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bool hasChanges = false;
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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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int currentState = GVReadGPIO(pin, &originalValue, &pintype);
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2024-01-06 16:54:23 +00:00
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2024-01-07 14:10:19 +00:00
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if (originalValue != GV.lastPinStates[pin]) {
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if (hasChanges) {
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2024-01-06 16:54:23 +00:00
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jsonMessage += ", ";
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2024-01-07 14:10:19 +00:00
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}
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jsonMessage += "\"" + String(pin) + "\": {\"s\": " + currentState + ", \"v\": " + originalValue + ", \"t\": " + pintype + "}";
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GV.lastPinStates[pin] = currentState;
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hasChanges = true;
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2024-01-06 16:54:23 +00:00
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}
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}
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jsonMessage += "}";
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if (hasChanges) {
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2024-01-06 20:57:09 +00:00
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GVEventSend(jsonMessage.c_str(), "gpio-state", millis());
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2024-01-06 16:54:23 +00:00
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}
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uint32_t heap = ESP_getFreeHeap();
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if (heap != GV.freeHeap) {
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GV.freeHeap = heap;
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2024-01-07 15:06:31 +00:00
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char temp[20];
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snprintf_P(temp, sizeof(temp), PSTR("%d KB"), heap / 1024);
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GVEventSend(temp, "free_heap", millis());
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2024-01-06 16:54:23 +00:00
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}
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2024-01-07 14:10:19 +00:00
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#ifdef ESP32
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if (UsePSRAM()) {
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uint32_t psram = ESP.getFreePsram();
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if (psram != GV.freePSRAM) {
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GV.freePSRAM = psram;
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2024-01-07 15:06:31 +00:00
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char temp[20];
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snprintf_P(temp, sizeof(temp), PSTR("%d KB"), psram / 1024);
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GVEventSend(temp, "free_psram", millis());
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2024-01-07 14:10:19 +00:00
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}
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2024-01-07 15:06:31 +00:00
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} else {
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GVEventSend("No PSRAM", "free_psram", millis());
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2024-01-07 14:10:19 +00:00
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}
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#endif // ESP32
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2024-01-06 16:54:23 +00:00
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}
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void GVBegin(void) {
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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("/events", GVHandleEvents);
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GV.WebServer->on("/", GVHandleRoot);
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GV.WebServer->on("/release", GVHandleRelease);
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GV.WebServer->begin();
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}
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void GVHandleEvents(void) {
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2024-01-06 20:57:09 +00:00
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GVResetStatePins();
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2024-01-06 16:54:23 +00:00
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2024-01-06 20:57:09 +00:00
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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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2024-01-06 20:46:37 +00:00
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2024-01-06 20:57:09 +00:00
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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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2024-01-06 16:54:23 +00:00
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}
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void GVHandleRoot(void) {
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char* content = ext_snprintf_malloc_P(HTTP_GV_PAGE,
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2024-01-08 08:29:02 +00:00
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SettingsTextEscaped(SET_DEVICENAME).c_str(),
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2024-01-06 16:54:23 +00:00
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WiFi.localIP().toString().c_str(),
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WiFi.localIP().toString().c_str(),
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2024-01-07 15:06:31 +00:00
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ESP_getFreeSketchSpace() / 1024);
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2024-01-06 20:57:09 +00:00
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if (content == nullptr) { return; } // Avoid crash
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2024-01-06 16:54:23 +00:00
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GV.WebServer->send_P(200, "text/html", content);
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free(content);
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2024-01-06 20:57:09 +00:00
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GV.sse_ready = false; // Allow restart of updates on page load
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2024-01-06 16:54:23 +00:00
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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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/*********************************************************************************************\
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* Interface
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\*********************************************************************************************/
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bool Xdrv121(uint32_t function) {
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bool result = false;
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if (GV.active) {
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switch (function) {
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case FUNC_LOOP:
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if (GV.WebServer) { GV.WebServer->handleClient(); }
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break;
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case FUNC_EVERY_100_MSECOND:
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2024-01-06 20:57:09 +00:00
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if (GV.sse_ready) { GVMonitorTask(); }
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2024-01-06 16:54:23 +00:00
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break;
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2024-01-07 15:06:31 +00:00
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#ifdef USE_WEBSERVER
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case FUNC_WEB_ADD_MANAGEMENT_BUTTON:
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if (XdrvMailbox.index) {
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XdrvMailbox.index++;
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} else {
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WSContentSend_P(HTTP_BTN_MENU_GV, WiFi.localIP().toString().c_str());
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}
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break;
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#endif // USE_WEBSERVER
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2024-01-06 16:54:23 +00:00
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case FUNC_ACTIVE:
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result = true;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
switch (function) {
|
|
|
|
|
case FUNC_EVERY_SECOND:
|
|
|
|
|
if (!TasmotaGlobal.global_state.network_down) {
|
2024-01-07 17:10:30 +00:00
|
|
|
// Add delay to finish network setup
|
|
|
|
|
static uint32_t gv_delay = 3;
|
|
|
|
|
if (gv_delay) {
|
|
|
|
|
gv_delay--;
|
|
|
|
|
} else {
|
|
|
|
|
GVBegin();
|
|
|
|
|
GV.active = true;
|
|
|
|
|
}
|
2024-01-06 16:54:23 +00:00
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
return result;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#endif // USE_GPIO_VIEWER
|
