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PID regulating (fix error being unsigned..)

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This commit is contained in:
Ben V. Brown
2016-09-21 00:26:43 +10:00
parent 65659b7b99
commit f4d5b8b000
7 changed files with 37 additions and 14 deletions
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12
workspace/ts100/src/Analog.c
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@@ -103,8 +103,16 @@ uint16_t Get_ADC1Value(uint8_t i) {
//This returns the calibrated temperature reading of the iron temp
uint16_t readIronTemp(uint16_t calibration_temp) {
static uint16_t calTemp = 0;
static uint16_t lastVal = 0;
static uint32_t lastUpdate = 0;
if (calibration_temp != 0)
calTemp = calibration_temp;
return (readTipTemp() * 1000 + 806 * readSensorTemp() - calTemp * 1000)
/ 806;
if (millis() - lastUpdate > 50) {
lastVal = (readTipTemp() * 1000 + 806 * readSensorTemp()
- calTemp * 1000) / 806;
lastUpdate = millis();
}
return lastVal;
}