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https://github.com/thooge/esp32-nmea2000-obp60.git
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OBPcharts principle working
This commit is contained in:
Ulrich Meine
@@ -1,75 +1,367 @@
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// Function lib for display of boat data in various chart formats
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#include "OBPcharts.h"
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#include "OBP60Extensions.h"
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#include "OBPRingBuffer.h"
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// --- Class Chart ---------------
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void Chart::drawChrtHdr() {
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// chart header label + lines
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int i;
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getdisplay().fillRect(0, top, cWidth, 2, commonData->fgcolor);
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template <typename T>
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Chart<T>::Chart(RingBuffer<T>& dataBuf, int8_t chrtDir, int8_t chrtSz, int dfltRng, CommonData& common, bool useSimuData)
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: dataBuf(dataBuf)
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, chrtDir(chrtDir)
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, chrtSz(chrtSz)
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, dfltRng(dfltRng)
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, commonData(&common)
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, useSimuData(useSimuData)
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{
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logger = commonData->logger;
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fgColor = commonData->fgcolor;
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bgColor = commonData->bgcolor;
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// horizontal chart labels
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getdisplay().drawLine(cStart.x, cStart.y, cWidth, cStart.y);
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getdisplay().fillRect(cStart.x, cStart.y, cWidth, 2, commonData->fgcolor);
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LOG_DEBUG(GwLog::DEBUG, "Chart create: dataBuf: %p", (void*)&dataBuf);
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dWidth = getdisplay().width();
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dHeight = getdisplay().height();
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getdisplay().setFont(&Ubuntu_Bold10pt8b);
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getdisplay().setCursor(cStart.x, cStart.y + 12);
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getdisplay().print(dbName); // Wind data name
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if (chrtDir == 0) {
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// horizontal chart timeline direction
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timAxis = dWidth - xOffset;
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switch (chrtSz) {
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case 0:
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valAxis = dHeight - top - bottom;
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cStart = { xOffset, top };
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break;
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case 1:
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valAxis = (dHeight - top - bottom) / 2 - gap;
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cStart = { xOffset, top };
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break;
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case 2:
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valAxis = (dHeight - top - bottom) / 2 - gap;
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cStart = { xOffset, top + (valAxis + gap) + gap };
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break;
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default:
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LOG_DEBUG(GwLog::DEBUG, "displayChart: wrong parameter");
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return;
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}
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} else if (chrtDir == 1) {
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// vertical chart timeline direction
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timAxis = dHeight - top - bottom;
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switch (chrtSz) {
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case 0:
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valAxis = dWidth - xOffset;
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cStart = { xOffset, top };
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break;
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case 1:
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valAxis = dWidth / 2 - gap;
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cStart = { 0, top };
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break;
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case 2:
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valAxis = dWidth / 2 - gap;
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cStart = { dWidth / 2 + gap, top };
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break;
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default:
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LOG_DEBUG(GwLog::DEBUG, "displayChart: wrong parameter");
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return;
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}
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} else {
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LOG_DEBUG(GwLog::DEBUG, "displayChart: wrong parameter");
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return;
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}
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// xCenter = timAxis / 2;
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getdisplay().setFont(&Ubuntu_Bold12pt8b);
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if (chrtSze == 0) {
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i = -1 * (chrtIntv / 8 - 2);
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} else {
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i = -1 * (chrtIntv / 4 - 2);
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}
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for (int j = 50; j <= (cWidth - 50); j += 50 ) {
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getdisplay().setCursor(cStart.x + j - 16, cStart.y + 12);
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getdisplay().print(i++); // time interval
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// i++;
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getdisplay().drawLine(cStart.x + j - 30, cStart.y, cStart.x - 30, cHeight + top);
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}
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dataBuf.getMetaData(dbName, dbFormat);
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dbMAX_VAL = dataBuf.getMaxVal();
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bufSize = dataBuf.getCapacity();
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LOG_DEBUG(GwLog::DEBUG, "Chart create: dWidth: %d, dHeight: %d, timAxis: %d, valAxis: %d, cStart {x,y}: %d, %d, dbname: %s", dWidth, dHeight, timAxis, valAxis, cStart.x, cStart.y, dbName);
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};
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template <typename T>
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Chart<T>::~Chart()
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{
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}
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void Chart::drawChrtGrd(const int chrtRng) {
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// chart Y axis labels + lines
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int i;
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// chart time axis label + lines
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template <typename T>
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void Chart<T>::drawChrtTimeAxis(int8_t chrtIntv)
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{
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int timeRng;
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float slots, intv, i;
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char sTime[6];
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getdisplay().setFont(&Ubuntu_Bold8pt8b);
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if (chrtDir == 0) {
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i = -1 * (chrtRng / 4 - 2);
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for (int j = cStart.x; j <= (cHeight - (cHeight / 4)); j += cHeight / 4 ) {
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getdisplay().drawLine(0, cStart.y, cWidth, cStart.y);
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getdisplay().setCursor(0, cStart.y + 12);
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if (i < 10)
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getdisplay().printf("!!%1d", i); // Range value
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else if (i < 100)
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getdisplay().printf("!%2d", i); // Range value
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else
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getdisplay().printf("%3d", i); // Range value
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i += (chrtRng / 4);
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}
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} else {
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i = -1 * (chrtRng / 8 - 2);
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for (int j = cStart.x; j <= (cHeight - (cHeight / 8)); j += cHeight / 8 ) {
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getdisplay().drawLine(cStart.x + j - 30, cStart.y, cStart.x - 30, cHeight + top);
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getdisplay().setCursor(0, cStart.y + 12);
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if (i < 10)
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getdisplay().printf("!!%1d", i); // Range value
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else if (i < 100)
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getdisplay().printf("!%2d", i); // Range value
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else
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getdisplay().printf("%3d", i); // Range value
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i += (chrtRng / 4);
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}
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}
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getdisplay().setTextColor(fgColor);
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if (chrtDir == 0) { // horizontal chart
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getdisplay().fillRect(0, top, dWidth, 2, fgColor);
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getdisplay().setFont(&Ubuntu_Bold8pt8b);
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timeRng = chrtIntv * 4; // Chart time interval: [1] 4 min., [2] 8 min., [3] 12 min., [4] 16 min., [8] 32 min.
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slots = (timAxis - xOffset) / 75.0; // number of axis labels
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intv = timeRng / slots; // minutes per chart axis interval
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i = timeRng; // Chart axis label start at -32, -16, -12, ... minutes
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for (int j = 0; j < timAxis - 30; j += 75) {
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LOG_DEBUG(GwLog::DEBUG, "ChartHdr: timAxis: %d, {x,y}: {%d,%d}, i: %.1f, j: %d, chrtIntv: %d, intv: %.1f, slots: %.1f", timAxis, cStart.x, cStart.y, i, j, chrtIntv, intv, slots);
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if (chrtIntv < 3) {
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snprintf(sTime, size_t(sTime), "-%.1f", i);
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drawTextCenter(cStart.x + j - 8, cStart.y - 8, sTime); // time interval
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} else {
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snprintf(sTime, size_t(sTime), "-%.0f", std::round(i));
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drawTextCenter(cStart.x + j - 4, cStart.y - 8, sTime); // time interval
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}
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getdisplay().drawLine(cStart.x + j, cStart.y, cStart.x + j, cStart.y + 5, fgColor);
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i -= intv;
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}
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/* getdisplay().setFont(&Ubuntu_Bold8pt8b);
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getdisplay().setCursor(timAxis - 8, cStart.y - 2);
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getdisplay().print("min"); */
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} else { // chrtDir == 1; vertical chart
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getdisplay().setFont(&Ubuntu_Bold8pt8b);
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timeRng = chrtIntv * 4; // Chart time interval: [1] 4 min., [2] 8 min., [3] 12 min., [4] 16 min., [8] 32 min.
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slots = timAxis / 75.0; // number of axis labels
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intv = timeRng / slots; // minutes per chart axis interval
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i = 0; // Chart axis label start at -32, -16, -12, ... minutes
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for (int j = 0; j < (timAxis - 75); j += 75) { // don't print time label at lower end
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LOG_DEBUG(GwLog::DEBUG, "ChartHdr: timAxis: %d, {x,y}: {%d,%d}, i: %.1f, j: %d, chrtIntv: %d, intv: %.1f, slots: %.1f", timAxis, cStart.x, cStart.y, i, j, chrtIntv, intv, slots);
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if (chrtIntv < 3) { // print 1 decimal if time range is single digit (4 or 8 minutes)
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snprintf(sTime, size_t(sTime), "%.1f", i * -1);
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} else {
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snprintf(sTime, size_t(sTime), "%.0f", std::round(i) * -1);
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}
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drawTextCenter(dWidth / 2, cStart.y + j, sTime); // time value
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getdisplay().drawLine(cStart.x, cStart.y + j, cStart.x + valAxis, cStart.y + j, fgColor); // Grid line
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i += intv;
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}
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}
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}
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bool Chart::drawChrt(int8_t chrtIntv, int dfltRng) {
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// hstryBuf = buffer to display
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// bValue = present value to display additionally to chart
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// chrtDir = chart direction: [0] = vertical, [1] = horizontal
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// chrtSze = chart size: [0] = full size, [1] = half size left half/top, [2] half size right half/bottom
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// chrtIntv = chart time interval: [1] 4 min., [2] 8 min., [3] 12 min., [4] 16 min., [5] 32 min.
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// dfltRng = default range of chart, e.g. 30 = [0..30]
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// chart value axis labels + lines
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template <typename T>
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void Chart<T>::drawChrtValAxis()
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{
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float slots;
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int i, intv;
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char sVal[6];
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getdisplay().setFont(&Ubuntu_Bold10pt8b);
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if (chrtDir == 0) { // horizontal chart
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slots = valAxis / 60.0; // number of axis labels
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intv = static_cast<int>(round(chrtRng / slots));
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i = intv;
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for (int j = 60; j < valAxis - 30; j += 60) {
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LOG_DEBUG(GwLog::DEBUG, "ChartGrd: chrtRng: %d, intv: %d, slots: %.1f, valAxis: %d, i: %d, j: %d", chrtRng, intv, slots, valAxis, i, j);
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getdisplay().fillRect(cStart.x - xOffset, cStart.y + j - 9, cStart.x - xOffset + 28, 12, bgColor); // Clear small area to remove potential chart lines
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String sVal = String(static_cast<int>(round(i)));
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getdisplay().setCursor((3 - sVal.length()) * 9, cStart.y + j + 4); // value right-formated
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getdisplay().printf("%s", sVal); // Range value
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i += intv;
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getdisplay().drawLine(cStart.x + 2, cStart.y + j, cStart.x + timAxis, cStart.y + j, fgColor);
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}
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getdisplay().setFont(&Ubuntu_Bold12pt8b);
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drawTextRalign(cStart.x + timAxis, cStart.y - 3, dataBuf.getName()); // buffer data name
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} else { // chrtDir == 1; vertical chart
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getdisplay().fillRect(cStart.x, top, valAxis, 2, fgColor); // top chart line
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getdisplay().setCursor(cStart.x, cStart.y - 2);
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snprintf(sVal, sizeof(sVal), "%d", dataBuf.getMin(numBufVals) / 1000);
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getdisplay().printf("%s", sVal); // Range low end
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snprintf(sVal, sizeof(sVal), "%.0f", round(chrtRng / 2));
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drawTextCenter(cStart.x + (valAxis / 2), cStart.y - 10, sVal); // Range mid end
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snprintf(sVal, sizeof(sVal), "%.0f", round(chrtRng));
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drawTextRalign(cStart.x + valAxis - 1, cStart.y - 2, sVal); // Range high end
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for (int j = 0; j <= valAxis; j += (valAxis / 2)) {
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getdisplay().drawLine(cStart.x + j - 1, cStart.y, cStart.x + j - 1, cStart.y + timAxis, fgColor);
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}
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getdisplay().setFont(&Ubuntu_Bold12pt8b);
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drawTextCenter(cStart.x + (valAxis / 4) + 4, cStart.y - 11, dataBuf.getName()); // buffer data name
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LOG_DEBUG(GwLog::DEBUG, "ChartGrd: chrtRng: %d, intv: %d, slots: %.1f, valAxis: %d, i: %d, sVal.length: %d", chrtRng, intv, slots, valAxis, i, sizeof(sVal));
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}
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}
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// draw chart
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template <typename T>
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void Chart<T>::drawChrt(int8_t chrtIntv, GwApi::BoatValue currValue)
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{
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float chrtScl; // Scale for data values in pixels per value
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int chrtVal; // Current data value
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static int chrtPrevVal; // Last data value in chart area
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bool bufDataValid = false; // Flag to indicate if buffer data is valid
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static int numNoData; // Counter for multiple invalid data values in a row
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// GwApi::BoatValue currValue; // temporary boat value to display current data buffer value
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int x, y; // x and y coordinates for drawing
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static int prevX, prevY; // Last x and y coordinates for drawing
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// Identify buffer size and buffer start position for chart
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count = dataBuf.getCurrentSize();
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currIdx = dataBuf.getLastIdx();
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numAddedBufVals = (currIdx - lastAddedIdx + bufSize) % bufSize; // Number of values added to buffer since last display
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if (chrtIntv != oldChrtIntv || count == 1) {
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// new data interval selected by user; this is only x * 230 values instead of 240 seconds (4 minutes) per interval step
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intvBufSize = timAxis * chrtIntv;
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numBufVals = min(count, (timAxis - 60) * chrtIntv);
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bufStart = max(0, count - numBufVals);
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lastAddedIdx = currIdx;
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oldChrtIntv = chrtIntv;
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} else {
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numBufVals = numBufVals + numAddedBufVals;
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lastAddedIdx = currIdx;
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if (count == bufSize) {
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bufStart = max(0, bufStart - numAddedBufVals);
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}
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}
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calcChrtRng();
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chrtScl = float(valAxis) / float(chrtRng); // Chart scale: pixels per value step
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// Do we have valid buffer data?
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if (dataBuf.getMax() == dbMAX_VAL) {
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// only <MAX_VAL> values in buffer -> no valid wind data available
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bufDataValid = false;
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} else if (!currValue.valid && !useSimuData) {
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// currently no valid boat data available and no simulation mode
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numNoData++;
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bufDataValid = true;
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if (numNoData > 3) {
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// If more than 4 invalid values in a row, send message
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bufDataValid = false;
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}
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} else {
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numNoData = 0; // reset data error counter
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bufDataValid = true; // At least some wind data available
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}
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// Draw wind values in chart
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//***********************************************************************
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if (bufDataValid) {
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for (int i = 0; i < (numBufVals / chrtIntv); i++) {
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chrtVal = static_cast<int>(dataBuf.get(bufStart + (i * chrtIntv))); // show the latest wind values in buffer; keep 1st value constant in a rolling buffer
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if (chrtVal == dbMAX_VAL) {
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chrtPrevVal = dbMAX_VAL;
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} else {
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chrtVal = static_cast<int>((chrtVal / 1000.0) + 0.5); // Convert to real value and round
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if (chrtDir == 0) { // horizontal chart
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x = cStart.x + i; // Position in chart area
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y = cStart.y + (chrtVal * chrtScl); // value
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} else { // vertical chart
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x = cStart.x + (chrtVal * chrtScl); // value
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y = cStart.y + timAxis - i; // Position in chart area
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}
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if (i >= (numBufVals / chrtIntv) - 10) // log chart data of 1 line (adjust for test purposes)
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LOG_DEBUG(GwLog::DEBUG, "PageWindPlot Chart: i: %d, chrtVal: %d, {x,y} {%d,%d}", i, chrtVal, x, y);
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if ((i == 0) || (chrtPrevVal == dbMAX_VAL)) {
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// just a dot for 1st chart point or after some invalid values
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prevX = x;
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prevY = y;
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}
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// Draw line with 2 pixels width + make sure vertical lines are drawn correctly
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if (chrtDir == 0 || x == prevX) { // vertical line
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getdisplay().drawLine(prevX, prevY, x, y, fgColor);
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getdisplay().drawLine(prevX - 1, prevY, x - 1, y, fgColor);
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} else if (chrtDir == 1 || x != prevX) { // line with some horizontal trend -> normal state
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getdisplay().drawLine(prevX, prevY, x, y, fgColor);
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getdisplay().drawLine(prevX, prevY - 1, x, y - 1, fgColor);
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}
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chrtPrevVal = chrtVal;
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prevX = x;
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prevY = y;
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}
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// Reaching chart area bottom end
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if (i >= timAxis - 1) {
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oldChrtIntv = 0; // force reset of buffer start and number of values to show in next display loop
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break;
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}
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}
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// drawChrtValAxis();
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// uses BoatValue temp variable <currValue> to format latest buffer value
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// doesn't work unfortunately when 'simulation data' is active, because OBP60Formatter generates own simulation value in that case
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uint16_t lastVal = dataBuf.getLast();
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currValue.value = lastVal / 1000.0;
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currValue.valid = (static_cast<int16_t>(lastVal) != dbMAX_VAL);
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LOG_DEBUG(GwLog::DEBUG, "Chart drawChrt: lastVal: %d, currValue-value: %.1f, Valid: %d, Name: %s, Address: %p", lastVal, currValue.value,
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currValue.valid, currValue.getName(), (void*)&currValue);
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prntCurrValue(&currValue, { x, y });
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} else {
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// No valid data available
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LOG_DEBUG(GwLog::LOG, "PageWindPlot: No valid data available");
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getdisplay().setFont(&Ubuntu_Bold10pt8b);
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int pX, pY;
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if (chrtDir == 0) {
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pX = dWidth / 2;
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pY = cStart.y + (valAxis / 2) - 10;
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} else {
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pX = valAxis / 2;
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pY = cStart.y + (timAxis / 2) - 10;
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}
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getdisplay().fillRect(pX - 33, pY - 10, 66, 24, commonData->bgcolor); // Clear area for message
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drawTextCenter(pX, pY, "No data");
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}
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drawChrtValAxis();
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}
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// Print current data value
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template <typename T>
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void Chart<T>::prntCurrValue(GwApi::BoatValue* currValue, const Pos chrtPos)
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{
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int currentZone;
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static int lastZone = 0;
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static bool flipVal = false;
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int xPosVal;
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static const int yPosVal = (chrtDir == 0) ? cStart.y + valAxis - 5 : cStart.y + timAxis - 5;
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// flexible move of location for latest boat data value, in case chart data is printed at the current location
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/* xPosVal = flipVal ? 8 : valAxis - 135;
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||||
currentZone = (chrtPos.y >= yPosVal - 32) && (chrtPos.y <= yPosVal + 6) && (chrtPos.x >= xPosVal - 4) && (chrtPos.x <= xPosVal + 146) ? 1 : 0; // Define current zone for data value
|
||||
if (currentZone != lastZone) {
|
||||
// Only flip when x moves to a different zone
|
||||
if ((chrtPos.y >= yPosVal - 32) && (chrtPos.y <= yPosVal + 6) && (chrtPos.x >= xPosVal - 3) && (chrtPos.x <= xPosVal + 146)) {
|
||||
flipVal = !flipVal;
|
||||
xPosVal = flipVal ? 8 : valAxis - 135;
|
||||
}
|
||||
}
|
||||
lastZone = currentZone; */
|
||||
|
||||
xPosVal = (chrtDir == 0) ? cStart.x + timAxis - 117 : cStart.x + valAxis - 117;
|
||||
FormattedData frmtDbData = formatValue(currValue, *commonData);
|
||||
double testdbValue = frmtDbData.value;
|
||||
String sdbValue = frmtDbData.svalue; // value (string)
|
||||
String dbUnit = frmtDbData.unit; // Unit of value
|
||||
LOG_DEBUG(GwLog::DEBUG, "Chart CurrValue: dbValue: %.2f, sdbValue: %s, fmrtDbValue: %.2f, dbFormat: %s, dbUnit: %s, Valid: %d, Name: %s, Address: %p", currValue->value, sdbValue,
|
||||
testdbValue, currValue->getFormat(), dbUnit, currValue->valid, currValue->getName(), (void*)currValue);
|
||||
getdisplay().fillRect(xPosVal - 3, yPosVal - 34, 118, 40, bgColor); // Clear area for TWS value
|
||||
getdisplay().setFont(&DSEG7Classic_BoldItalic16pt7b);
|
||||
getdisplay().setCursor(xPosVal, yPosVal);
|
||||
if (useSimuData)
|
||||
getdisplay().printf("%2.1f", currValue->value); // Value
|
||||
else
|
||||
getdisplay().print(sdbValue); // Value
|
||||
// getdisplay().setFont(&Ubuntu_Bold12pt8b);
|
||||
// getdisplay().setCursor(xPosVal + 76, yPosVal - 14);
|
||||
// getdisplay().print(dbName); // Name
|
||||
getdisplay().setFont(&Ubuntu_Bold8pt8b);
|
||||
getdisplay().setCursor(xPosVal + 76, yPosVal + 1);
|
||||
getdisplay().print(dbUnit); // Unit
|
||||
}
|
||||
|
||||
// check and adjust chart range
|
||||
template <typename T>
|
||||
void Chart<T>::calcChrtRng()
|
||||
{
|
||||
int diffRng;
|
||||
|
||||
diffRng = dataBuf.getMax(numBufVals) / 1000;
|
||||
if (diffRng > chrtRng) {
|
||||
chrtRng = int((diffRng + (diffRng >= 0 ? 9 : -1)) / 10) * 10; // Round up to next 10 value
|
||||
} else if (diffRng + 10 < chrtRng) { // Reduce chart range for higher resolution if possible
|
||||
chrtRng = max(dfltRng, int((diffRng + (diffRng >= 0 ? 9 : -1)) / 10) * 10);
|
||||
}
|
||||
LOG_DEBUG(GwLog::DEBUG, "Chart Range: diffRng: %d, chrtRng: %d, Min: %.0f, Max: %.0f", diffRng, chrtRng, dataBuf.getMin(numBufVals) / 1000, dataBuf.getMax(numBufVals) / 1000);
|
||||
}
|
||||
|
||||
// Explicitly instantiate class with required data types to avoid linker errors
|
||||
template class Chart<uint16_t>;
|
||||
template class Chart<int16_t>;
|
||||
// --- Class Chart ---------------
|
||||
|
||||
Reference in New Issue
Block a user