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https://github.com/thooge/esp32-nmea2000-obp60.git
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223 lines
10 KiB
C++
223 lines
10 KiB
C++
#if defined BOARD_OBP60S3 || defined BOARD_OBP40S3
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#include "Pagedata.h"
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#include "OBP60Extensions.h"
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#include "NetworkClient.h" // Network connection
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#include "ImageDecoder.h" // Image decoder for navigation map
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#include "Logo_OBP_400x300_sw.h"
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// Defines for reading of navigation map
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#define JSON_BUFFER 30000 // Max buffer size for JSON content (30 kB picture + values)
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NetworkClient net(JSON_BUFFER); // Define network client
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ImageDecoder decoder; // Define image decoder
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class PageNavigation : public Page
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{
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public:
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PageNavigation(CommonData &common){
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commonData = &common;
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common.logger->logDebug(GwLog::LOG,"Instantiate PageNavigation");
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}
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virtual int handleKey(int key){
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// Code for keylock
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if(key == 11){
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commonData->keylock = !commonData->keylock;
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return 0; // Commit the key
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}
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return key;
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}
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int displayPage(PageData &pageData){
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GwConfigHandler *config = commonData->config;
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GwLog *logger = commonData->logger;
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// Old values for hold function
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static String svalue1old = "";
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static String unit1old = "";
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static String svalue2old = "";
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static String unit2old = "";
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static String svalue3old = "";
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static String unit3old = "";
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static String svalue4old = "";
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static String unit4old = "";
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// Get config data
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String lengthformat = config->getString(config->lengthFormat);
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// bool simulation = config->getBool(config->useSimuData);
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bool holdvalues = config->getBool(config->holdvalues);
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String flashLED = config->getString(config->flashLED);
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String backlightMode = config->getString(config->backlight);
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// Get boat values #1
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GwApi::BoatValue *bvalue1 = pageData.values[0]; // First element in list (only one value by PageOneValue)
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String name1 = xdrDelete(bvalue1->getName()); // Value name
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name1 = name1.substring(0, 6); // String length limit for value name
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double value1 = bvalue1->value; // Value as double in SI unit
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bool valid1 = bvalue1->valid; // Valid information
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String svalue1 = formatValue(bvalue1, *commonData).svalue; // Formatted value as string including unit conversion and switching decimal places
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String unit1 = formatValue(bvalue1, *commonData).unit; // Unit of value
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// Get boat values #2
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GwApi::BoatValue *bvalue2 = pageData.values[1]; // Second element in list (only one value by PageOneValue)
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String name2 = xdrDelete(bvalue2->getName()); // Value name
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name2 = name2.substring(0, 6); // String length limit for value name
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double value2 = bvalue2->value; // Value as double in SI unit
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bool valid2 = bvalue2->valid; // Valid information
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String svalue2 = formatValue(bvalue2, *commonData).svalue; // Formatted value as string including unit conversion and switching decimal places
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String unit2 = formatValue(bvalue2, *commonData).unit; // Unit of value
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// Get boat values #3
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GwApi::BoatValue *bvalue3 = pageData.values[2]; // Second element in list (only one value by PageOneValue)
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String name3 = xdrDelete(bvalue3->getName()); // Value name
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name3 = name3.substring(0, 6); // String length limit for value name
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double value3 = bvalue3->value; // Value as double in SI unit
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bool valid3 = bvalue3->valid; // Valid information
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String svalue3 = formatValue(bvalue3, *commonData).svalue; // Formatted value as string including unit conversion and switching decimal places
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String unit3 = formatValue(bvalue3, *commonData).unit; // Unit of value
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// Get boat values #4
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GwApi::BoatValue *bvalue4 = pageData.values[3]; // Second element in list (only one value by PageOneValue)
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String name4 = xdrDelete(bvalue4->getName()); // Value name
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name4 = name4.substring(0, 6); // String length limit for value name
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double value4 = bvalue4->value; // Value as double in SI unit
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bool valid4 = bvalue4->valid; // Valid information
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String svalue4 = formatValue(bvalue4, *commonData).svalue; // Formatted value as string including unit conversion and switching decimal places
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String unit4 = formatValue(bvalue4, *commonData).unit; // Unit of value
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// Optical warning by limit violation (unused)
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if(String(flashLED) == "Limit Violation"){
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setBlinkingLED(false);
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setFlashLED(false);
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}
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// Logging boat values
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if (bvalue1 == NULL) return PAGE_OK; // WTF why this statement?
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LOG_DEBUG(GwLog::LOG,"Drawing at PageNavigation, %s: %f, %s: %f, %s: %f, %s: %f", name1.c_str(), value1, name2.c_str(), value2, name3.c_str(), value3, name4.c_str(), value4);
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// Load navigation map
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//***********************************************************
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// Rotate the picture in 1° steps
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int angle = 25;
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// Server settings
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String server = "norbert-walter.dnshome.de";
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int port = 80;
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// URL to OBP Maps Converter
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// For more details see: https://github.com/norbert-walter/maps-converter
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String url = String("http://") + server + ":" + port + // OBP Server
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String("/get_image_json?") + // Service: Output B&W picture as JSON (Base64 + gzip)
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"zoom=15" + // Zoom level: 15
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"&lat=53.9028" + // Latitude
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"&lon=11.4441" + // Longitude
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"&mrot=" + angle + // Rotation angle navigation map
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"&mtype=9" + // Free Nautical Charts with depth
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"&dtype=1" + // Dithering type: Threshold dithering
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"&width=400" + // With navigation map
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"&height=250" + // Height navigation map
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"&cutout=0" + // No picture cutouts
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"&tab=0" + // No tab size
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"&border=2" + // Border line size: 2 pixel
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"&symbol=2" + // Symbol: Triangle
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"&srot=" + angle + // Symbol rotation angle
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"&ssize=15" + // Symbole size: 15 pixel
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"&grid=1" // Show grid: On
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;
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// Set display in partial refresh mode
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getdisplay().setPartialWindow(0, 0, getdisplay().width(), getdisplay().height()); // Set partial update
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getdisplay().setTextColor(commonData->fgcolor);
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// If a network connection to URL
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if (net.fetchAndDecompressJson(url)) {
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auto& json = net.json(); // Extract JSON content
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int numPix = json["number_pixels"] | 0; // Read number of pixels
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int imgWidth = json["width"] | 0; // Read width of image
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int imgHeight = json["height"] | 0; // Read height og image
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const char* b64src = json["picture_base64"].as<const char*>(); // Read picture as Base64 content
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size_t b64len = strlen(b64src); // Calculate length of Base64 content
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// Copy Base64 content in PSRAM
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char* b64 = (char*) heap_caps_malloc(b64len + 1, MALLOC_CAP_SPIRAM); // Allcate PSRAM for Base64 content
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if (!b64) {
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Serial.println("ERROR: PSRAM alloc base64 failed");
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return PAGE_UPDATE;
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}
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memcpy(b64, b64src, b64len + 1); // Copy Base64 content in PSRAM
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// Set image buffer in PSRAM
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//size_t imgSize = getdisplay().width() * getdisplay().height(); // Calculate image size
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size_t imgSize = numPix; // Calculate image size
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uint8_t* imageData = (uint8_t*) heap_caps_malloc(imgSize, MALLOC_CAP_SPIRAM); // Allocate PSRAM for image
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if (!imageData) {
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Serial.println("ERROR: PSRAM alloc image buffer failed");
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free(b64);
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return PAGE_UPDATE;
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}
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// Decode Base64 content to image
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size_t decodedSize = 0;
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decoder.decodeBase64(b64, imageData, imgSize, decodedSize);
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// Show image (navigation map)
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getdisplay().drawBitmap(0, 25, imageData, imgWidth, imgHeight, commonData->fgcolor);
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// Clean PSRAM
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free(b64);
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free(imageData);
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}
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// Draw page
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//***********************************************************
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// ############### Draw Navigation Map ################
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getdisplay().setFont(&Ubuntu_Bold12pt8b);
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getdisplay().setCursor(20, 60);
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getdisplay().print(name1);
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getdisplay().setCursor(80, 60);
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getdisplay().print(svalue1);
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getdisplay().setCursor(20, 80);
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getdisplay().print(name2);
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getdisplay().setCursor(80, 80);
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getdisplay().print(svalue2);
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getdisplay().setCursor(20, 100);
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getdisplay().print(name3);
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getdisplay().setCursor(80, 100);
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getdisplay().print(svalue3);
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getdisplay().setCursor(20, 120);
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getdisplay().print(name4);
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getdisplay().setCursor(80, 120);
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getdisplay().print(svalue4);
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return PAGE_UPDATE;
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};
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};
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static Page *createPage(CommonData &common){
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return new PageNavigation(common);
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}/**
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* with the code below we make this page known to the PageTask
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* we give it a type (name) that can be selected in the config
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* we define which function is to be called
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* and we provide the number of user parameters we expect
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* this will be number of BoatValue pointers in pageData.values
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*/
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PageDescription registerPageNavigation(
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"Navigation", // Page name
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createPage, // Action
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0, // Number of bus values depends on selection in Web configuration
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{"LAT","LON","HDT","SOG"}, // Bus values we need in the page
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true // Show display header on/off
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);
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#endif
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