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Use runaway counter trigger

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This commit is contained in:
Ben V. Brown
2025-01-11 13:12:02 +11:00
parent 53982efa14
commit c2ec65cafb
5 changed files with 28 additions and 21 deletions
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31
source/Core/Threads/PIDThread.cpp
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@@ -22,12 +22,12 @@
#endif
#endif
static TickType_t powerPulseWaitUnit = 25 * TICKS_100MS; // 2.5 s
static TickType_t powerPulseDurationUnit = (5 * TICKS_100MS) / 2; // 250 ms
TaskHandle_t pidTaskNotification = NULL;
volatile TemperatureType_t currentTempTargetDegC = 0; // Current temperature target in C
int32_t powerSupplyWattageLimit = 0;
bool heaterThermalRunaway = false;
static TickType_t powerPulseWaitUnit = 25 * TICKS_100MS; // 2.5 s
static TickType_t powerPulseDurationUnit = (5 * TICKS_100MS) / 2; // 250 ms
TaskHandle_t pidTaskNotification = NULL;
volatile TemperatureType_t currentTempTargetDegC = 0; // Current temperature target in C
int32_t powerSupplyWattageLimit = 0;
uint8_t heaterThermalRunawayCounter = 0;
static int32_t getPIDResultX10Watts(TemperatureType_t set_point, TemperatureType_t current_value);
static void detectThermalRunaway(const TemperatureType_t currentTipTempInC, const uint32_t x10WattsOut);
@@ -71,7 +71,8 @@ void startPIDTask(void const *argument __unused) {
#endif
#endif
int32_t x10WattsOut = 0;
int32_t x10WattsOut = 0;
TickType_t lastThermalRunawayDecay = xTaskGetTickCount();
for (;;) {
x10WattsOut = 0;
@@ -105,6 +106,12 @@ void startPIDTask(void const *argument __unused) {
#ifdef DEBUG_UART_OUTPUT
log_system_state(x10WattsOut);
#endif
if (xTaskGetTickCount() - lastThermalRunawayDecay > TICKS_SECOND) {
lastThermalRunawayDecay = xTaskGetTickCount();
if (heaterThermalRunawayCounter > 0) {
heaterThermalRunawayCounter--;
}
}
}
}
@@ -249,8 +256,8 @@ void detectThermalRunaway(const TemperatureType_t currentTipTempInC, const uint3
static bool haveSeenDelta = false;
// Check for readings being pegged at the top of the ADC while the heater is off
if (!thisCycleIsHeating && (getTipRawTemp(0) > (ADC_MAX_READING - 8))) {
heaterThermalRunaway = true;
if (!thisCycleIsHeating && (getTipRawTemp(0) > (ADC_MAX_READING - 8)) && heaterThermalRunawayCounter < 255) {
heaterThermalRunawayCounter++;
}
if (haveSeenDelta) {
@@ -277,8 +284,8 @@ void detectThermalRunaway(const TemperatureType_t currentTipTempInC, const uint3
TemperatureType_t delta = tipTempMax - tiptempMin;
haveSeenDelta = true;
if (delta < THERMAL_RUNAWAY_TEMP_C) {
heaterThermalRunaway = true;
if (delta < THERMAL_RUNAWAY_TEMP_C && heaterThermalRunawayCounter < 255) {
heaterThermalRunawayCounter++;
}
}
}
@@ -322,7 +329,7 @@ void setOutputx10WattsViaFilters(int32_t x10WattsOut) {
if (getTipRawTemp(0) > (0x7FFF - 32)) {
x10WattsOut = 0;
}
if (heaterThermalRunaway) {
if (heaterThermalRunawayCounter > 8) {
x10WattsOut = 0;
}
#ifdef SLEW_LIMIT