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https://github.com/thooge/esp32-nmea2000-obp60.git
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First design experiments for barograph
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228
lib/obp60task/PageBarograph.cpp
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228
lib/obp60task/PageBarograph.cpp
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#ifdef BOARD_OBP60S3
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#include "Pagedata.h"
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#include "OBP60Extensions.h"
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class PageBarograph : public Page{
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bool keylock = false;
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bool has_fram = false;
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String flashLED;
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String useenvsensor;
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char source = 'I'; // (I)nternal, e(X)ternal
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const int series[5] = {75, 150, 300, 600, 900};
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const int zoom[5] = {1, 2, 3, 6, 12};
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int zoomindex = 4;
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uint16_t data[336] = {0}; // current data to display
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// y-axis
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uint16_t vmin;
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uint16_t vmax;
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uint16_t scalemin = 1000;
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uint16_t scalemax = 1020;
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uint16_t scalestep = 5;
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int hist1 = 0; // one hour trend
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int hist3 = 0; // three hours trend
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long refresh = 0; // millis
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void loadData() {
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// Transfer data from history to page buffer,
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// set y-axis according to data
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int i = zoom[zoomindex];
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// get min and max values of measured data
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vmin = data[0];
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vmax = data[0];
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for (int x = 0; x < 336; x++) {
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if (data[x] != 0) {
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if (data[x] < vmin) {
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vmin = data[x];
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} else if (data[x] > vmax) {
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vmax = data[x];
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}
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}
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}
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// calculate y-axis scale
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uint16_t diff = vmax - vmin;
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if (diff < 20) {
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scalestep = 5;
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} else if (diff < 40) {
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scalestep = 10;
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} else {
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scalestep = 15;
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}
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scalemin = vmin - (vmin % scalestep);
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scalemax = vmax + scalestep - (vmax % scalestep);
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// TODO implement history buffer
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};
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public:
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PageBarograph(CommonData &common){
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common.logger->logDebug(GwLog::LOG,"Instantiate PageBarograph");
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// Get config data
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flashLED = common.config->getString(common.config->flashLED);
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useenvsensor = common.config->getString(common.config->useEnvSensor);
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// possible values for internal sensor
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static std::vector<String> sensorList = {
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"BME280", "BMP280", "BMP180", "BMP085", "HTU21", "SHT21"
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};
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if (std::find(sensorList.begin(), sensorList.end(), useenvsensor) != sensorList.end()) {
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source = 'I';
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} else {
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// "off" means user external data if available
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source = 'X';
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}
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//common.logger->logDebug(GwLog::LOG,"Source=%s (%s)", source, useenvsensor);
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loadData(); // initial load
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}
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virtual int handleKey(int key) {
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if (key == 1) {
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// zoom in
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if (zoomindex > 0) {
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zoomindex -= 1;
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}
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return 0;
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}
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if (key == 2) {
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// zoom out
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if (zoomindex < sizeof(zoom)) {
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zoomindex += 1;
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}
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return 0;
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}
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if (key == 11) {
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keylock = !keylock;
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return 0;
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}
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return key;
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}
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virtual void displayPage(CommonData &commonData, PageData &pageData){
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GwLog *logger=commonData.logger;
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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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LOG_DEBUG(GwLog::LOG,"Drawing at PageBarograph");
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// Draw page
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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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// Frames
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getdisplay().fillRect(0, 75, 400, 2, commonData.fgcolor); // fillRect: x, y, w, h
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getdisplay().fillRect(130, 20, 2, 55, commonData.fgcolor);
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getdisplay().fillRect(270, 20, 2, 55, commonData.fgcolor);
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getdisplay().fillRect(325, 20, 2, 55, commonData.fgcolor);
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getdisplay().setTextColor(commonData.fgcolor);
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getdisplay().setFont(&Ubuntu_Bold8pt7b);
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if (source == 'I') {
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drawTextCenter(360, 40, useenvsensor);
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} else {
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drawTextCenter(360, 40, "ext.");
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}
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// Trend
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drawTextCenter(295, 62, "0.0");
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// Alarm placeholder
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drawTextCenter(70, 62, "Alarm Off");
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// Zoom
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int datastep = series[zoomindex];
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String fmt;
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if (datastep > 120) {
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if (datastep % 60 == 0) {
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fmt = String(datastep / 60.0, 0) + " min";
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} else {
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fmt = String(datastep / 60.0, 1) + " min";
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}
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} else {
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fmt = String(datastep) + " s";
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}
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drawTextCenter(360, 62, fmt);
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// Current measurement
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getdisplay().setFont(&Ubuntu_Bold16pt7b);
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drawTextCenter(200, 40, String(commonData.data.airPressure / 100, 1));
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getdisplay().setFont(&Ubuntu_Bold8pt7b);
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drawTextCenter(200, 62, "hPa"); // Unit
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// Diagram
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const int xstep = 48; // x-axis-grid
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const int x0 = 350; // origin
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const int y0 = 270;
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const int w = 7 * 48;
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const int h = 180;
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// getdisplay().drawRect(x0 - w, y0 - h, w, h, commonData.fgcolor);
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// x-axis are hours
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for (int i = 1; i <= 6; i++) {
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String label = String(-1 * zoom[zoomindex] * i);
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getdisplay().drawLine(x0 - i * xstep, y0, x0 - i * xstep, y0 - h, commonData.fgcolor);
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drawTextCenter(x0 - i * xstep, y0 - 10, label);
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}
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// y-axis
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getdisplay().drawLine(x0 + 5, y0, x0 + 5, y0 - h, commonData.fgcolor); // drawLine: x1, y1, x2, y2
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getdisplay().drawLine(x0 - w, y0, x0 - w, y0 - h, commonData.fgcolor);
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getdisplay().drawLine(x0 - w - 5, y0, x0 - w - 5, y0 - h, commonData.fgcolor);
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getdisplay().drawLine(x0, y0, x0, y0 - h, commonData.fgcolor);
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int16_t dy = 9; // px for one hPa
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int16_t y = y0;
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int16_t ys = scalemin;
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while (y >= y0 - h) {
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if (y % scalestep == 0) {
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// big step, show label and long line
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getdisplay().setCursor(x0 + 10, y + 5);
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getdisplay().print(String(ys));
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getdisplay().drawLine(x0 + 5, y, x0 - w - 5, y, commonData.fgcolor);
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} else {
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// small step, only short lines left and right
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getdisplay().drawLine(x0 + 5, y, x0, y, commonData.fgcolor);
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getdisplay().drawLine(x0 - w - 5, y, x0 - w, y, commonData.fgcolor);
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}
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y -= dy;
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ys += 1;
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}
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// Update display
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getdisplay().nextPage(); // Partial update (fast)
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};
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};
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static Page* createPage(CommonData &common){
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return new PageBarograph(common);
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}
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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 registerPageBarograph(
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"Barograph", // Page name
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createPage, // Action
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0, // No bus values needed
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true // Show display header on/off
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);
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#endif
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