Create CJC.cpp

source/Core/Threads/OperatingModes/CJC.cpp

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+
+
+#include "OperatingModes.h"
+void performCJCC(void) {
+  // Calibrate Cold Junction Compensation directly at boot, before internal components get warm.
+  OLED::refresh();
+  osDelay(50);
+  if (!isTipDisconnected() && (TipThermoModel::getTipInC() - getHandleTemperature(0) / 10) < 10) {
+    uint16_t setoffset = 0;
+    // If the thermo-couple at the end of the tip, and the handle are at
+    // equilibrium, then the output should be zero, as there is no temperature
+    // differential.
+    while (setoffset == 0) {
+      uint32_t offset = 0;
+      for (uint8_t i = 0; i < 16; i++) {
+        offset += getTipRawTemp(1);
+        // cycle through the filter a fair bit to ensure we're stable.
+        OLED::clearScreen();
+        OLED::setCursor(0, 0);
+        OLED::print(SymbolDot, FontStyle::LARGE);
+        for (uint8_t x = 0; x < (i / 4); x++)
+          OLED::print(SymbolDot, FontStyle::LARGE);
+        OLED::refresh();
+        osDelay(100);
+      }
+      setoffset = TipThermoModel::convertTipRawADCTouV(offset / 16, true);
+    }
+    setSettingValue(SettingsOptions::CalibrationOffset, setoffset);
+    OLED::clearScreen();
+    OLED::setCursor(0, 0);
+    OLED::drawCheckbox(true);
+    OLED::printNumber(setoffset, 5, FontStyle::LARGE);
+    OLED::refresh();
+    osDelay(1200);
+    // Preventing to repeat calibration at boot automatically (only one shot).
+    setSettingValue(SettingsOptions::CalibrateCJC, 0);
+    saveSettings();
+  }
+}