mirror of
https://github.com/arwidcool/Solder-Plate.git
synced 2024-11-12 01:10:52 +01:00
switch to percentages and reflow refactor.
This commit is contained in:
Andrea Baccega
parent
cb93f600b8
commit
c5576140b2
@ -35,7 +35,6 @@ void TFT_Display::init(ReflowProfile *profile)
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tft.setCursor(xy.x, xy.y);
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tft.println(profile->name);
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getMaxTempFromProfile(profile);
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getTotalTimeFromProfile(profile);
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this->profile = profile;
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@ -47,7 +46,7 @@ void TFT_Display::init(ReflowProfile *profile)
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drawGraph();
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}
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void TFT_Display::drawRealTemp(double *temp, float time)
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void TFT_Display::drawRealTemp(double *temp, float percentage)
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{
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uint32_t timeSinceLastDraw = drawTimer.elapsed();
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@ -57,11 +56,9 @@ void TFT_Display::drawRealTemp(double *temp, float time)
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if (timeSinceLastDraw >= 930)
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{
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float timeElapsed = time;
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float temperature = static_cast<float>(*temp);
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time = time / 1000;
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// Serial.print("Time:");
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// Serial.print(time);
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// Serial.print(" Temp:");
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@ -71,7 +68,7 @@ void TFT_Display::drawRealTemp(double *temp, float time)
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// Get the xy and y pixel of the temp
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uint16_t x = timeXonGraph(time);
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uint16_t x = percentageToX(percentage);
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uint16_t y = tempYonGraph(temperature);
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// Draw the pixel
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@ -84,9 +81,7 @@ void TFT_Display::drawRealTemp(double *temp, float time)
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drawTimer.reset();
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drawTimer.start();
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}
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else
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{
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};
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}
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void TFT_Display::clear()
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@ -174,9 +169,9 @@ void TFT_Display::getMaxTempFromProfile(ReflowProfile *profile)
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for (uint8_t i = 0; i < 5; i++)
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{
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if (profile->steps[i].targetTempAtEnd > maxTemp)
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if (profile->steps[i].targetTemp > maxTemp)
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{
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maxTemp = profile->steps[i].targetTempAtEnd;
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maxTemp = profile->steps[i].targetTemp;
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}
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}
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@ -201,31 +196,6 @@ void TFT_Display::getMaxTempFromProfile(ReflowProfile *profile)
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}
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}
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void TFT_Display::getTotalTimeFromProfile(ReflowProfile *profile)
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{
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totalTIme = 0;
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for (uint8_t i = 0; i < 5; i++)
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{
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totalTIme += profile->steps[i].duration;
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}
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Serial.println("Total time");
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Serial.println(String(totalTIme));
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}
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TFT_XY TFT_Display::getXYWithinGraphBounds(uint8_t temp, uint8_t time)
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{
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TFT_XY xy;
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xy.x = graphXY.x + (graphWidth * (time / totalTIme));
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xy.y = graphXY.y - (graphHeight * ((temp - minTemp) / (maxTemp - minTemp)));
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return xy;
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}
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void TFT_Display::drawGraph()
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{
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@ -328,16 +298,17 @@ void TFT_Display::drawGraphAxisTickLabels()
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tft.println("0");
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// Always ends at totalTime
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char *totalTimeCharPtr = numberToCharPtr(totalTIme);
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uint16_t totalTime = profile->endTimes[4];
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char *totalTimeCharPtr = numberToCharPtr(totalTime);
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position = getCenterAlignedBottomTextXY(totalTimeCharPtr, graphXY.x + graphWidth, graphXY.y);
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tft.setCursor(position.x, position.y + tickMarkLength + 1);
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tft.println(totalTIme);
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tft.println(totalTime);
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delete[] totalTimeCharPtr;
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// Draw three tick labels on the time axis at 1/4, 1/2 and 3/4 of the way along
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for (int i = 1; i <= 3; i++)
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{
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uint8_t time = totalTIme * i / 4;
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uint8_t time = totalTime * i / 4;
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char *timeCharPtr = numberToCharPtr(time);
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position = getCenterAlignedBottomTextXY(timeCharPtr, graphXY.x + (graphWidth * i / 4), graphXY.y);
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tft.setCursor(position.x, position.y + tickMarkLength + 1);
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@ -348,207 +319,36 @@ void TFT_Display::drawGraphAxisTickLabels()
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void TFT_Display::drawGraphReflowStagesBackground()
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{
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uint16_t x = graphXY.x + 1;
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uint16_t previopusWidth;
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uint16_t colors[4] = {preheat_COLOR, soak_COLOR, reflow_COLOR, cool_COLOR};
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// Draw the background for the reflow stages
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for (int i = 0; i < 4; i++)
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{
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Serial.println("Time x");
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Serial.println(String(x));
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uint16_t x= graphXY.x + 1;
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uint16_t y= graphXY.y;
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uint16_t totalDuration = profile->endTimes[4];
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for (int i=0; i<4; i++) {
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uint16_t y = graphXY.y - graphHeight;
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uint16_t height = graphHeight;
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// Get the width by getting the duration of each step in relation to the total time
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float duration = profile->steps[i].duration;
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uint16_t width = (duration / totalTIme) * graphWidth;
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switch (i)
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{
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case 0:
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tft.drawRect(x, y, width, height, preheat_COLOR);
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previopusWidth = width;
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break;
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case 1:
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x += previopusWidth;
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tft.drawRect(x, y, width, height, soak_COLOR);
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previopusWidth = width;
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break;
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case 2:
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x += previopusWidth;
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tft.drawRect(x, y, width, height, reflow_COLOR);
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previopusWidth = width;
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break;
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case 3:
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x += previopusWidth;
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tft.drawRect(x, y, width, height, cool_COLOR);
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previopusWidth = width;
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break;
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default:
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break;
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}
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float duration = profile->endTimes[i];
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float percAtEndStep = duration / totalDuration;
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float newX = percentageToX(percAtEndStep);
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Serial.println(String(i) + " - duration: "+ String(duration) + " |Perc: "+ String(percAtEndStep)+ " - x:" + String(x) + " y:" + String(y) + " newX:" + String(newX) + " height:" + String(height) + " color:" + String(colors[i]));
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tft.drawRect(x, y, newX-x, graphHeight, colors[i]);
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x = newX;
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}
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}
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void TFT_Display::drawReflowTargetTempLine()
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{
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float startTemp = 20;
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int startTime = 0;
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uint16_t startX = graphXY.x;
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uint16_t startY = graphXY.y;
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int endTime;
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for (int i = 0; i < 4; i++)
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{
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// Get the end temp and time of the current step
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int endTemp = profile->steps[i].targetTempAtEnd;
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int duration = profile->steps[i].duration;
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endTime = duration + startTime;
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uint16_t endX = timeXonGraph(endTime);
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uint16_t endY = tempYonGraph(endTemp);
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// Serial.print("State:");
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// Serial.println(String(STATE_STR(profile->steps[i].state)));
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// Serial.print("Start x:");
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// Serial.println(String(startX));
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// Serial.print("Start y:");
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// Serial.println(String(startY));
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// Serial.print("End x:");
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// Serial.println(String(endX));
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// Serial.print("End y:");
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// Serial.println(String(endY));
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// Serial.print("Start temp:");
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// Serial.println(String(startTemp));
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// Serial.print("End temp:");
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// Serial.println(String(endTemp));
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// Serial.print("Start time:");
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// Serial.println(String(startTime));
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// Serial.print("End time:");
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// Serial.println(String(endTime));
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// Serial.println(" ");
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// Check for the half sine function flag if its flagged draw the line using the ending temp of the step 2 before the current step
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if (profile->steps[i].flagged)
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{
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// tft.drawCircle(startX, startY, 5, ST77XX_RED);
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startTemp = profile->steps[i - 2].targetTempAtEnd;
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}
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// Draw the line pixel by pixel
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switch (profile->steps[i].easeFunction)
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{
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case LINEAR:
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tft.drawLine(startX, startY, endX, endY, ST77XX_WHITE);
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break;
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case EASE_IN_OUT:
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for (int i = 0; i <= 100; i++)
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{
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// Convert i to a percentage
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float percentage = i / 100.0;
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// calculate the temp at the current percentage of the line
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float temp = startTemp + (endTemp - startTemp) * -(cos(percentage * PI) - 1) / (double)2;
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float time = startTime + (duration * percentage);
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// Calculate the x and y position of the temp on the graph
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uint16_t y = tempYonGraph(temp);
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uint16_t x = timeXonGraph(time);
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tft.drawPixel(x, y, ST77XX_WHITE);
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}
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break;
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case EASE_IN:
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for (int i = 0; i <= 100; i++)
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{
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// Convert i to a percentage
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float percentage = i / 100.0;
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// calculate the temp at the current percentage of the line
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float temp = startTemp + (endTemp - startTemp) * (1 - cos(percentage * PI / (double)2));
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// Calculate the x and y position of the temp on the graph
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uint16_t y = tempYonGraph(temp);
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uint16_t x = timeXonGraph(startTime + (duration * percentage));
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tft.drawPixel(x, y, ST77XX_WHITE);
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}
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break;
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case EASE_OUT:
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for (int i = 0; i <= 100; i++)
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{
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// Convert i to a percentage
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float percentage = i / 100.0;
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// calculate the temp at the current percentage of the line
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float temp = startTemp + (endTemp - startTemp) * (sin(percentage * PI / (double)2));
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// Calculate the x and y position of the temp on the graph
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uint16_t y = tempYonGraph(temp);
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uint16_t x = timeXonGraph(startTime + (duration * percentage));
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tft.drawPixel(x, y, ST77XX_WHITE);
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}
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break;
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case HALF_SINE:
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for (int i = 0; i <= 100; i++)
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{
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// Convert i to a percentage
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float percentage = i / 100.0;
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// calculate the temp at the current percentage of the line
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float temp = startTemp + (endTemp - startTemp) * (sin(percentage * PI));
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// Calculate the x and y position of the temp on the graph
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uint16_t y = tempYonGraph(temp);
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uint16_t x = timeXonGraph(startTime + (duration * percentage));
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tft.drawPixel(x, y, ST77XX_WHITE);
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}
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break;
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default:
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// tft.drawLine(startX, startY, endX, endY, ST77XX_WHITE);
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break;
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}
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// tft.drawLine(startX, startY, endX, endY, ST77XX_WHITE);
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// Set the start temp and time to the end temp and time of the current step
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startTemp = endTemp;
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startTime = endTime;
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// Get the start and end x and y positions of the line
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startX = endX;
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startY = endY;
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void TFT_Display::drawReflowTargetTempLine() {
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uint16_t y = tempYonGraph(20);
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uint16_t x = percentageToX(0);
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for (float i=0.00; i<=1; i+=0.01) {
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float temp = profile->getTargetTempFromPercentage(i);
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uint16_t y2 = tempYonGraph(temp);
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uint16_t x2 = percentageToX(i);
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Serial.println(String(i) + " - temp: "+ String(temp) + " - x:" + String(x) + " y:" + String(y) + " x2:" + String(x2) + " y2:" + String(y2));
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tft.drawLine(x, y, x2, y2, ST77XX_WHITE);
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x = x2;
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y = y2;
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}
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}
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@ -569,11 +369,9 @@ uint16_t TFT_Display::tempYonGraph(float *temp)
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return y;
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}
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uint16_t TFT_Display::timeXonGraph(float time)
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uint16_t TFT_Display::percentageToX(float percentage)
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{
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// Calculate the x position of the time on the graph based on the min and max times and the min and max x of the graph
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float x = graphXY.x + (graphWidth * (time / totalTIme));
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return x;
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return graphXY.x + (graphWidth * percentage);
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}
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@ -40,17 +40,13 @@ private:
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TFT_XY getLeftAlignedTopTextXY(char *text, uint16_t x, uint16_t y);
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TFT_XY getCenterAlignedBottomTextXY(char *text, uint16_t x, uint16_t y);
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void getMaxTempFromProfile(ReflowProfile *profile);
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void getTotalTimeFromProfile(ReflowProfile *profile);
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uint16_t graphHeight = 180;
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uint16_t graphWidth = 255;
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TFT_XY graphXY = {32, 220};
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uint16_t maxTemp = 0;
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uint16_t totalTIme =0;
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uint8_t minTemp = 20;
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TFT_XY getXYWithinGraphBounds(uint8_t temp, uint8_t time);
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void drawGraph();
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void drawGraphAxis();
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void drawGraphAxisLabels();
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@ -61,7 +57,7 @@ private:
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uint16_t tempYonGraph(float temp);
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uint16_t tempYonGraph(float *temp);
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uint16_t timeXonGraph(float time);
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uint16_t percentageToX(float time);
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template <typename T>
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char *numberToCharPtr(T number);
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@ -110,8 +110,10 @@ void loop()
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{
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pidController.loop();
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pidController.debug();
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tftDisplay.drawRealTemp(pidController.getInput(), chosenReflowProfile.getCurrentTime());
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#ifdef DEBUG
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pidController.debug();
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#endif
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tftDisplay.drawRealTemp(pidController.getInput(), chosenReflowProfile.getPercentage());
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ReflowStep step = chosenReflowProfile.reflowStep();
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// Here we draw the actual temp vs time to the display
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80
src/reflow.h
80
src/reflow.h
@ -39,33 +39,32 @@ class ReflowStep
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{
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public:
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ReflowStep() {}
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ReflowStep(ReflowProcessState state, uint8_t time, uint8_t targetTempAtEnd) : state(state), duration(time), targetTempAtEnd(targetTempAtEnd), easeFunction(LINEAR) {}
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ReflowStep(ReflowProcessState state, uint8_t time, uint8_t targetTempAtEnd, ReflowStepEaseFunction fn) : state(state),
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duration(time),
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targetTempAtEnd(targetTempAtEnd),
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easeFunction(fn)
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ReflowStep(ReflowProcessState state, uint8_t time, uint8_t targetTemp) : state(state), duration(time), targetTemp(targetTemp), easeFunction(LINEAR) {}
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ReflowStep(ReflowProcessState state, uint8_t time, uint8_t targetTemp, ReflowStepEaseFunction fn) : state(state),
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duration(time),
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targetTemp(targetTemp),
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easeFunction(fn)
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{
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}
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uint8_t duration;
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uint8_t targetTempAtEnd;
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uint8_t targetTemp;
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ReflowProcessState state;
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ReflowStepEaseFunction easeFunction;
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bool flagged = false;
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float calcTempAtPercentage(uint8_t startTemp, float percentage)
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{
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switch (this->easeFunction)
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{
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case LINEAR:
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return startTemp + (this->targetTempAtEnd - startTemp) * percentage;
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return startTemp + (this->targetTemp - startTemp) * percentage;
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case EASE_IN_OUT:
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return startTemp + (this->targetTempAtEnd - startTemp) * -(cos(percentage * PI) - 1) / (double)2;
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return startTemp + (this->targetTemp - startTemp) * -(cos(percentage * PI) - 1) / (double)2;
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case EASE_IN:
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return startTemp + (this->targetTempAtEnd - startTemp) * (1 - cos(percentage * PI / (double)2));
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return startTemp + (this->targetTemp - startTemp) * (1 - cos(percentage * PI / (double)2));
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case EASE_OUT:
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return startTemp + (this->targetTempAtEnd - startTemp) * (sin(percentage * PI / (double)2));
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return startTemp + (this->targetTemp - startTemp) * (sin(percentage * PI / (double)2));
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case HALF_SINE:
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return startTemp + (this->targetTempAtEnd - startTemp) * (sin(percentage * PI));
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return startTemp + (this->targetTemp - startTemp) * (sin(percentage * PI));
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}
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}
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};
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@ -80,51 +79,31 @@ public:
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ReflowProfile(ReflowStep steps[5], char name[20])
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{
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bool flag = false;
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uint8_t flagPosistion = 0;
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for (int i = 0; i < 5; i++)
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{
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// TODO: Important we need to flag the step after half sine because its starting temp is the PEAK of the sine wave and the sine wave ends at the start of the sine wave
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// this creates a problem because the next step will start at the peak of the sine wave and not the end of the sine wave
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// We can fix this by flagging the effect step and then when we are calculating the target temp we can check if the step is flagged and if it is we can use the target temp of the step prevous to the sine wave
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if (steps[i].easeFunction == HALF_SINE && i != 3 && i != 0)
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{
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this->steps[i] = steps[i];
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flag = true;
|
||||
flagPosistion = i + 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
this->steps[i] = steps[i];
|
||||
}
|
||||
}
|
||||
|
||||
if (flag)
|
||||
{
|
||||
this->steps[flagPosistion].flagged = true;
|
||||
this->steps[i] = steps[i];
|
||||
}
|
||||
|
||||
for (int i = 0; i < 20; i++)
|
||||
{
|
||||
this->name[i] = name[i];
|
||||
}
|
||||
calculateValues();
|
||||
}
|
||||
ReflowStep steps[5];
|
||||
char name[20];
|
||||
float endTimes[5] = {0};
|
||||
float startTimes[5] = {0};
|
||||
float endTemps[5] = {0};
|
||||
StopWatch timer;
|
||||
|
||||
void start()
|
||||
{
|
||||
timer.setResolution(StopWatch::MILLIS);
|
||||
timer.start();
|
||||
calculateTimes();
|
||||
}
|
||||
|
||||
void calculateTimes()
|
||||
void calculateValues()
|
||||
{
|
||||
endTimes[0] = steps[0].duration;
|
||||
endTimes[1] = endTimes[0] + steps[1].duration;
|
||||
@ -137,6 +116,12 @@ public:
|
||||
startTimes[2] = endTimes[1];
|
||||
startTimes[3] = endTimes[2];
|
||||
startTimes[4] = endTimes[3];
|
||||
|
||||
endTemps[0] = steps[0].calcTempAtPercentage(20, 1);
|
||||
endTemps[1] = steps[1].calcTempAtPercentage(endTemps[0], 1);
|
||||
endTemps[2] = steps[2].calcTempAtPercentage(endTemps[1], 1);
|
||||
endTemps[3] = steps[3].calcTempAtPercentage(endTemps[2], 1);
|
||||
endTemps[4] = steps[4].calcTempAtPercentage(endTemps[3], 1);
|
||||
}
|
||||
|
||||
ReflowStep reflowStep()
|
||||
@ -174,8 +159,6 @@ public:
|
||||
|
||||
float timerElapsed = timer.elapsed();
|
||||
|
||||
float endTimesFloat[4];
|
||||
|
||||
return timerElapsed / (float)(endTimes[4] * 1000);
|
||||
}
|
||||
|
||||
@ -194,10 +177,10 @@ public:
|
||||
ReflowStep curStep = reflowStep(elapsedMS);
|
||||
if (curStep.state > PREHEAT)
|
||||
{
|
||||
startTemp = steps[STEPINDEX(curStep) - 1].targetTempAtEnd;
|
||||
startTemp = endTemps[STEPINDEX(curStep) - 1];
|
||||
}
|
||||
|
||||
// startTemp => 20 or the targetTempAtEnd of the previous step
|
||||
// startTemp => 20 or the temp at 100% of the previous step
|
||||
|
||||
uint32_t startTimeMS = startTimes[STEPINDEX(curStep)];
|
||||
|
||||
@ -212,16 +195,7 @@ public:
|
||||
|
||||
float percentage = relativeElapsedTime / duration;
|
||||
// Serial.println(String(percentage)+ "%" + String(STATE_STR(curStep.state)) + " Elapsed: " + String(elapsedMS) + " ___ " + String(curStep.duration * 1000));
|
||||
|
||||
if (curStep.flagged)
|
||||
{
|
||||
startTemp = steps[STEPINDEX(curStep) - 2].targetTempAtEnd;
|
||||
return curStep.calcTempAtPercentage(startTemp, percentage);
|
||||
}
|
||||
else
|
||||
{
|
||||
return curStep.calcTempAtPercentage(startTemp, percentage);
|
||||
}
|
||||
return curStep.calcTempAtPercentage(startTemp, percentage);
|
||||
}
|
||||
|
||||
/**
|
||||
@ -231,9 +205,7 @@ public:
|
||||
*/
|
||||
float getTargetTempFromPercentage(double processPercentage)
|
||||
{
|
||||
uint16_t duration = endTimes[4];
|
||||
uint8_t startTemp = 20; // always assume 20 degrees at the start
|
||||
return getTargetTemp(duration * 1000 * processPercentage);
|
||||
return getTargetTemp(endTimes[4] * (1000 * processPercentage));
|
||||
}
|
||||
|
||||
uint8_t getCurrentStepRelativeTime()
|
||||
@ -255,7 +227,7 @@ public:
|
||||
for (int i = 0; i < 5; i++)
|
||||
{
|
||||
b[PROFILE_SERIALIZED_NAME_SIZE + i * 3] = steps[i].duration;
|
||||
b[PROFILE_SERIALIZED_NAME_SIZE + 1 + i * 3] = steps[i].targetTempAtEnd;
|
||||
b[PROFILE_SERIALIZED_NAME_SIZE + 1 + i * 3] = steps[i].targetTemp;
|
||||
b[PROFILE_SERIALIZED_NAME_SIZE + 2 + i * 3] = steps[i].easeFunction;
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user