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40 lines
1.5 KiB
C++
40 lines
1.5 KiB
C++
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#include "OperatingModes.h"
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void performCJCC(void) {
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// Calibrate Cold Junction Compensation directly at boot, before internal components get warm.
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OLED::refresh();
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osDelay(50);
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if (!isTipDisconnected() && abs(int(TipThermoModel::getTipInC() - getHandleTemperature(0) / 10)) < 10) {
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uint16_t setoffset = 0;
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// If the thermo-couple at the end of the tip, and the handle are at
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// equilibrium, then the output should be zero, as there is no temperature
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// differential.
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while (setoffset == 0) {
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uint32_t offset = 0;
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for (uint8_t i = 0; i < 16; i++) {
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offset += getTipRawTemp(1);
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// cycle through the filter a fair bit to ensure we're stable.
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OLED::clearScreen();
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OLED::setCursor(0, 0);
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OLED::print(translatedString(Tr->CJCCalibrating), FontStyle::SMALL);
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OLED::setCursor(0, 8);
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OLED::print(SmallSymbolDot, FontStyle::SMALL);
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for (uint8_t x = 0; x < (i / 4); x++) {
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OLED::print(SmallSymbolDot, FontStyle::SMALL);
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}
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OLED::refresh();
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osDelay(100);
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}
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setoffset = TipThermoModel::convertTipRawADCTouV(offset / 16, true);
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}
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setSettingValue(SettingsOptions::CalibrationOffset, setoffset);
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OLED::clearScreen();
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warnUser(translatedString(Tr->CalibrationDone), 3 * TICKS_SECOND);
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OLED::refresh();
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// Preventing to repeat calibration at boot automatically (only one shot).
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setSettingValue(SettingsOptions::CalibrateCJC, 0);
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saveSettings();
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}
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}
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