thooge/esp32-nmea2000-obp60
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Add lower chart line for horizontal half chart; write current value after chart lines

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This commit is contained in:
Ulrich Meine
2025-12-05 00:10:31 +01:00
parent 1b55439135
commit 0f50b614eb
2 changed files with 15 additions and 11 deletions
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23
lib/obp60task/OBPcharts.cpp
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@@ -107,6 +107,15 @@ void Chart<T>::showChrt(int8_t chrtIntv, GwApi::BoatValue currValue)
drawChrt(chrtIntv, currValue);
drawChrtTimeAxis(chrtIntv);
drawChrtValAxis();
if (bufDataValid) {
// uses BoatValue temp variable <currValue> to format latest buffer value
// doesn't work unfortunately when 'simulation data' is active, because OBP60Formatter generates own simulation value in that case
currValue.value = dataBuf.getLast();
currValue.valid = currValue.value != dbMAX_VAL;
Chart<T>::prntCurrValue(currValue);
LOG_DEBUG(GwLog::DEBUG, "Chart drawChrt: currValue-value: %.1f, Valid: %d, Name: %s, Address: %p", currValue.value, currValue.valid, currValue.getName(), (void*)&currValue);
}
}
// draw chart
@@ -116,7 +125,7 @@ void Chart<T>::drawChrt(int8_t chrtIntv, GwApi::BoatValue& currValue)
double chrtVal; // Current data value
double chrtScl; // Scale for data values in pixels per value
static double chrtPrevVal; // Last data value in chart area
bool bufDataValid = false; // Flag to indicate if buffer data is valid
// bool bufDataValid = false; // Flag to indicate if buffer data is valid
static int numNoData; // Counter for multiple invalid data values in a row
int x, y; // x and y coordinates for drawing
@@ -248,13 +257,6 @@ void Chart<T>::drawChrt(int8_t chrtIntv, GwApi::BoatValue& currValue)
}
}
// uses BoatValue temp variable <currValue> to format latest buffer value
// doesn't work unfortunately when 'simulation data' is active, because OBP60Formatter generates own simulation value in that case
currValue.value = dataBuf.getLast();
currValue.valid = currValue.value != dbMAX_VAL;
Chart<T>::prntCurrValue(currValue);
LOG_DEBUG(GwLog::DEBUG, "Chart drawChrt: currValue-value: %.1f, Valid: %d, Name: %s, Address: %p", currValue.value, currValue.valid, currValue.getName(), (void*)&currValue);
} else {
// No valid data available
getdisplay().setFont(&Ubuntu_Bold10pt8b);
@@ -527,6 +529,7 @@ void Chart<T>::drawChrtValAxis()
getdisplay().fillRect(cStart.x, cStart.y + valAxis - 16, 42, 16, bgColor); // Clear small area to remove potential chart lines
getdisplay().setCursor(cStart.x + ((3 - sLen) * 10), cStart.y + valAxis - 1);
getdisplay().printf("%s", sVal); // Range high end
getdisplay().drawLine(cStart.x + 43, cStart.y + valAxis, cStart.x + timAxis, cStart.y + valAxis, fgColor);
}
getdisplay().setFont(&Ubuntu_Bold12pt8b);
@@ -582,8 +585,8 @@ void Chart<T>::prntCurrValue(GwApi::BoatValue& currValue)
// 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(), currValue);
getdisplay().fillRect(xPosVal - 1, yPosVal - 34, 125, 42, bgColor); // Clear area for TWS value
getdisplay().drawRect(xPosVal, yPosVal - 33, 123, 40, fgColor); // Draw box for TWS value
getdisplay().fillRect(xPosVal - 1, yPosVal - 34, 125, 41, bgColor); // Clear area for TWS value
getdisplay().drawRect(xPosVal, yPosVal - 33, 123, 39, fgColor); // Draw box for TWS value
getdisplay().setFont(&DSEG7Classic_BoldItalic16pt7b);
getdisplay().setCursor(xPosVal + 1, yPosVal);
if (useSimuData) {

3
lib/obp60task/OBPcharts.h
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@@ -25,7 +25,7 @@ protected:
int top = 48; // display top header lines
int bottom = 22; // display bottom lines
int hGap = 10; // gap between 2 horizontal charts; actual gap is 2x <gap>
int hGap = 11; // gap between 2 horizontal charts; actual gap is 2x <gap>
int vGap = 20; // gap between 2 vertical charts; actual gap is 2x <gap>
int xOffset = 33; // offset for horizontal axis (time/value), because of space for left vertical axis labeling
int yOffset = 10; // offset for vertical axis (time/value), because of space for top horizontal axis labeling
@@ -52,6 +52,7 @@ protected:
size_t currIdx; // Current index in TWD history buffer
size_t lastIdx; // Last index of TWD history buffer
size_t lastAddedIdx = 0; // Last index of TWD history buffer when new data was added
bool bufDataValid = false; // Flag to indicate if buffer data is valid
int oldChrtIntv = 0; // remember recent user selection of data interval
void drawChrt(int8_t chrtIntv, GwApi::BoatValue& currValue); // Draw chart line