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Add Temperature calibration, improve temp accuracy

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This commit is contained in:
Ben V. Brown
2017-05-18 19:51:47 +10:00
parent 8c73aa0de4
commit ebfe457f65
7 changed files with 75 additions and 20 deletions
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22
workspace/ts100/src/Analog.c
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@@ -105,16 +105,30 @@ uint16_t Get_ADC1Value(uint8_t i) {
}
//This returns the calibrated temperature reading of the iron temp
//inputs : calibration value / wether to take a new reading or not
uint16_t readIronTemp(uint16_t calibration_temp, uint8_t read) {
uint16_t readIronTemp(uint16_t calibration_temp, uint8_t read,
uint16_t setPointTemp) {
static uint16_t calTemp = 0;
static uint16_t lastVal = 0;
static uint16_t lastSetTemp;
if(setPointTemp!=0xFFFF)
lastSetTemp = setPointTemp;
if (calibration_temp != 0)
calTemp = calibration_temp;
if (read) {
lastVal = (readTipTemp() * 1000 + 806 * readSensorTemp()
- calTemp * 1000) / 806;
int16_t compensation = 80 + 150 * (lastSetTemp - 1000) / 3000;
int16_t tipTemp = readTipTemp();
int16_t ColdJTemp = readSensorTemp();
if (lastSetTemp == 1000)
compensation -= 10;
if (lastSetTemp != 0) {
if (tipTemp > (compensation + calTemp))
tipTemp -= compensation;
}
if (ColdJTemp > 400)
ColdJTemp = 400;
lastVal = (tipTemp * 1000 + 807 * ColdJTemp - calTemp * 1000) / 807;
}