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Pull out PID irrelevant filters

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This commit is contained in:
Ben V. Brown
2021-09-12 20:06:12 +10:00
parent 3220fdeeff
commit 3165fbe592
1 changed files with 55 additions and 52 deletions
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81
source/Core/Threads/PIDThread.cpp
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@@ -21,7 +21,8 @@ uint32_t currentTempTargetDegC = 0; // Current temperature target in
int32_t powerSupplyWattageLimit = 0;
bool heaterThermalRunaway = false;
static void detectThermalRunaway(int16_t currentTipTempInC, int tError);
static void detectThermalRunaway(const int16_t currentTipTempInC, const int tError);
static void setOutputx10WattsViaFilters(int32_t x10Watts);
/* StartPIDTask function */
void startPIDTask(void const *argument __unused) {
@@ -29,17 +30,13 @@ void startPIDTask(void const *argument __unused) {
* We take the current tip temperature & evaluate the next step for the tip
* control PWM.
*/
setTipX10Watts(0); // disable the output driver if the output is set to be off
TickType_t lastPowerPulseStart = 0;
TickType_t lastPowerPulseEnd = 0;
setTipX10Watts(0); // disable the output at startup
history<int32_t, PID_TIM_HZ> tempError = {{0}, 0, 0};
currentTempTargetDegC = 0; // Force start with no output (off). If in sleep / soldering this will
// be over-ridden rapidly
pidTaskNotification = xTaskGetCurrentTaskHandle();
uint32_t PIDTempTarget = 0;
uint16_t tipTempCRunawayTemp = 0;
TickType_t runawaylastChangeTime = 0;
// Pre-seed the adc filters
for (int i = 0; i < 64; i++) {
vTaskDelay(2);
@@ -107,6 +104,45 @@ void startPIDTask(void const *argument __unused) {
} else {
detectThermalRunaway(currentTipTempInC, 0);
}
setOutputx10WattsViaFilters(x10WattsOut);
} else {
// ADC interrupt timeout
setTipPWM(0);
}
}
}
void detectThermalRunaway(const int16_t currentTipTempInC, const int tError) {
static uint16_t tipTempCRunawayTemp = 0;
static TickType_t runawaylastChangeTime = 0;
// Check for thermal runaway, where it has been x seconds with negligible (y) temp rise
// While trying to actively heat
if ((tError > THERMAL_RUNAWAY_TEMP_C)) {
// Temp error is high
int16_t delta = (int16_t)currentTipTempInC - (int16_t)tipTempCRunawayTemp;
if (delta < 0) {
delta = -delta;
}
if (delta > THERMAL_RUNAWAY_TEMP_C) {
// We have heated up more than the threshold, reset the timer
tipTempCRunawayTemp = currentTipTempInC;
runawaylastChangeTime = xTaskGetTickCount();
} else {
if ((xTaskGetTickCount() - runawaylastChangeTime) > (THERMAL_RUNAWAY_TIME_SEC * TICKS_SECOND)) {
// It has taken too long to rise
heaterThermalRunaway = true;
}
}
} else {
tipTempCRunawayTemp = currentTipTempInC;
runawaylastChangeTime = xTaskGetTickCount();
}
}
void setOutputx10WattsViaFilters(int32_t x10WattsOut) {
static TickType_t lastPowerPulseStart = 0;
static TickType_t lastPowerPulseEnd = 0;
// If the user turns on the option of using an occasional pulse to keep the power bank on
if (getSettingValue(SettingsOptions::KeepAwakePulse)) {
@@ -150,37 +186,4 @@ void startPIDTask(void const *argument __unused) {
log_system_state(x10WattsOut);
#endif
resetWatchdog();
} else {
// ADC interrupt timeout
setTipPWM(0);
}
}
}
void detectThermalRunaway(int16_t currentTipTempInC, int tError) {
static uint16_t tipTempCRunawayTemp = 0;
static TickType_t runawaylastChangeTime = 0;
// Check for thermal runaway, where it has been x seconds with negligible (y) temp rise
// While trying to actively heat
if ((tError > THERMAL_RUNAWAY_TEMP_C)) {
// Temp error is high
int16_t delta = (int16_t)currentTipTempInC - (int16_t)tipTempCRunawayTemp;
if (delta < 0) {
delta = -delta;
}
if (delta > THERMAL_RUNAWAY_TEMP_C) {
// We have heated up more than the threshold, reset the timer
tipTempCRunawayTemp = currentTipTempInC;
runawaylastChangeTime = xTaskGetTickCount();
} else {
if ((xTaskGetTickCount() - runawaylastChangeTime) > (THERMAL_RUNAWAY_TIME_SEC * TICKS_SECOND)) {
// It has taken too long to rise
heaterThermalRunaway = true;
}
}
} else {
tipTempCRunawayTemp = currentTipTempInC;
runawaylastChangeTime = xTaskGetTickCount();
}
}