initial commit

simpleReflowController.ino

@@ -0,0 +1,154 @@
+#include "simpleReflowController.h"
+
+boolean start = false;
+
+unsigned int uiSec;
+unsigned long timestamp = 0;
+short fuzziness = 5;
+unsigned int historyTemp[320];
+
+CRGB leds[NUM_LEDS];
+
+void setup() {
+	initPorts();
+
+	Serial.begin(9600);
+	Serial.println("Hello World!");
+
+	initTFT();
+	initTermocouple();
+
+	FastLED.addLeds<NEOPIXEL, DATA_PIN>(leds, NUM_LEDS);
+
+	leds[0] = CRGB::Black;
+	FastLED.show();
+
+	start = true;
+	uiSec = 0;
+	timestamp = millis();
+
+}
+
+void loop() {
+
+	while (!start) {
+		//wait for start press and show current temp
+		// wait  for cooling down
+	}
+	//clearTFT();
+
+	if (millis() > (timestamp + 1000)) {
+		timestamp = millis();
+		secIncrease();
+	}
+
+	double currentTemp = getTemp();
+	profileStep currentProfile = getProfile(uiSec);
+
+	if (getTemp() < ((currentProfile.temp) - fuzziness)) {
+
+		leds[0] = CRGB::Red;
+		FastLED.show();
+
+		digitalWrite(SSR1, LOW);
+		digitalWrite(SSR2, LOW);
+
+	}
+
+	if (getTemp() > currentProfile.temp) {
+
+		leds[0] = CRGB::Green;
+		FastLED.show();
+
+		digitalWrite(SSR1, HIGH);
+		digitalWrite(SSR2, HIGH);
+	}
+
+	if ((uiSec % 5) == 0) {
+		clearTFT();
+		setHeader(currentTemp, uiSec, currentProfile.temp);
+		setProfile();
+		setGraph(currentProfile.name, uiSec);
+		setStatus("active");
+	}
+
+}
+
+void initPorts() {
+	pinMode(SSR1, OUTPUT);
+	pinMode(SSR2, OUTPUT);
+	pinMode(PIEZO, OUTPUT);
+
+	digitalWrite(SSR1, HIGH);
+	digitalWrite(SSR2, HIGH);
+	digitalWrite(PIEZO, HIGH);
+}
+
+void secIncrease() {
+	historyTemp[uiSec] = getTemp();
+	uiSec++;
+	Serial.print("sec: ");
+	Serial.println(uiSec);
+	//double testTemp = getProfileTemp(uiSec).temp;
+
+}
+
+profileStep getProfile(int pSec) {
+// from https://www.compuphase.com/electronics/solderprofile-standard-timepoints.png
+
+	profileStep step;
+	step.temp = 0.0;
+	step.name = "404";
+	step.starttime = 0;
+	step.endtime = 0;
+
+	if (pSec == -1) {
+		step.temp = 50;
+		step.name = "start cooling";
+		step.starttime = 0;
+		step.endtime = 0;
+		return step;
+	}
+
+	if (pSec <= 90) {
+		step.temp = map(pSec, 0, 90, 0.0, 150.0);
+		step.name = "preheating";
+		step.starttime = 0;
+		step.endtime = 90;
+		return step;
+	}
+
+	if (pSec <= 180) {
+		step.temp = 150.0;
+		step.name = "soak";
+		step.starttime = 91;
+		step.endtime = 180;
+		return step;
+	}
+
+	if (pSec <= 240) {
+		step.temp = map(pSec, 180, 240, 150, 240);
+		step.name = "reflow";
+		step.starttime = 181;
+		step.endtime = 240;
+		return step;
+	}
+
+	if (pSec <= 270) {
+		step.temp = 240;
+		step.name = "reflow";
+		step.starttime = 241;
+		step.endtime = 270;
+		return step;
+	}
+	if (pSec > 270) {
+		step.temp = map(pSec, 270, 320, 240, 0);
+		step.name = "cooling";
+		step.starttime = 271;
+		step.endtime = 320;
+		return step;
+	}
+
+	return step;
+}
+