Brewery/Brewery-Controller
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This commit is contained in:
Chris Giacofei 2022-01-14 13:50:41 -05:00
parent f9d9005c3b
commit ff48bcb52d
2 changed files with 42 additions and 39 deletions
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1
.gitattributes vendored Normal file
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@ -0,0 +1 @@
* text=auto

12
boil_kettle/slowPWM.h
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@ -6,7 +6,6 @@
class slowPWM { class slowPWM {
private: private:
byte outputPin; byte outputPin;
byte dutyCycle;
unsigned long period; unsigned long period;
unsigned long lastSwitchTime; unsigned long lastSwitchTime;
byte outputState; byte outputState;
@ -18,18 +17,21 @@ class slowPWM {
lastSwitchTime = 0; lastSwitchTime = 0;
outputState = LOW; outputState = LOW;
pinMode(pin, OUTPUT); pinMode(pin, OUTPUT);
Serial.println("Setup PWM");
} }
void compute(byte duty) { void compute(byte duty) {
unsigned long onTime = (dutyCycle * period) / 100; unsigned long onTime = (duty * period) / 100;
unsigned long offTime = period - onTime; unsigned long offTime = period - onTime;
unsigned long currentTime = millis(); unsigned long currentTime = millis();
if (outputState == HIGH && (currentTime - lastSwitchTime >= onTime)) { if (duty == 0) {
outputState = LOW;
} else if (outputState == HIGH && (currentTime - lastSwitchTime >= onTime)) {
lastSwitchTime = currentTime; lastSwitchTime = currentTime;
outputState = LOW; outputState = LOW;
}
if (outputState == LOW && (currentTime - lastSwitchTime >= offTime)) { } else if (outputState == LOW && (currentTime - lastSwitchTime >= offTime)) {
lastSwitchTime = currentTime; lastSwitchTime = currentTime;
outputState = HIGH; outputState = HIGH;
} }