localhorst/smart-oil-heating-control-system
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base: localhorst:66b7f8320ef075afeae2c93722735d796443b8ba0c3c913f26628d6e1c71b101
Branches Tags
localhorst:main
localhorst:feature/summer-mode
localhorst:feature/wifi-stability
localhorst:testing/lab-temperature-sensor
localhorst:a0.0.1
..
compare: localhorst:da7a1be183e9ca87a2a0170815e7d688e2f6d94fa07d1d07ee0690c1c0cb01e9
Branches Tags
localhorst:feature/summer-mode
localhorst:feature/wifi-stability
localhorst:main
localhorst:testing/lab-temperature-sensor
localhorst:a0.0.1

3 Commits
66b7f8320e ... da7a1be183

Author SHA256 Message Date
Hendrik Schutter
da7a1be183 Merge pull request 'fix/burner-fault-detection' (#23) from fix/burner-fault-detection into feature/summer-mode 
Reviewed-on: #23
 2025-04-25 20:45:51 +02:00
localhorst
2477ccb42a increase threshold 2025-04-19 08:48:57 +02:00
localhorst
f66b831666 rework burner fault detection 2025-04-19 08:36:19 +02:00
1 changed files with 27 additions and 11 deletions
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38
main/control.c
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@ -16,7 +16,7 @@
#define CHAMBER_TEMPERATURE_TARGET 80.0f // Max cutoff temperature
#define CHAMBER_TEMPERATURE_THRESHOLD 45.0f // Min threshold for burner enable
#define OUTDOOR_TEMPERATURE_THRESHOLD 15.0f // Min threshold for burner enable
#define BURNER_FAULT_DETECTION_THRESHOLD (60U * 15U) // Burner fault detection after 15 minutes
#define BURNER_FAULT_DETECTION_THRESHOLD (60U * 4U) // Burner fault detection after 4 minutes
static const char *TAG = "smart-oil-heater-control-system-control";
static eControlState sControlState = CONTROL_STARTING;
@ -58,10 +58,17 @@ void initControl(void)
}
}
typedef enum _BurnerState
{
BURNER_UNKNOWN,
BURNER_FIRED,
BURNER_FAULT
} eBurnerState;
void taskControl(void *pvParameters)
{
bool bHeatingInAction = false;
bool bBurnerFaultDetected = false;
eBurnerState eBurnerState = BURNER_UNKNOWN;
int64_t i64BurnerEnableTimestamp = esp_timer_get_time();
while (1)
@ -116,20 +123,28 @@ void taskControl(void *pvParameters)
}
else if (esp_timer_get_time() - i64BurnerEnableTimestamp >= BURNER_FAULT_DETECTION_THRESHOLD * 1000000U)
{
if (getBurnerError() == FAULT)
if (eBurnerState == BURNER_UNKNOWN)
{
ESP_LOGW(TAG, "Burner fault detected after timeout!");
bHeatingInAction = false;
bBurnerFaultDetected = true;
sControlState = CONTROL_FAULT_BURNER;
setCirculationPumpState(ENABLED);
setBurnerState(DISABLED);
setSafetyControlState(ENABLED);
if (getBurnerError() == FAULT)
{
ESP_LOGW(TAG, "Burner fault detected after threshold!");
bHeatingInAction = false;
eBurnerState = BURNER_FAULT;
sControlState = CONTROL_FAULT_BURNER;
setCirculationPumpState(ENABLED);
setBurnerState(DISABLED);
setSafetyControlState(ENABLED);
}
else
{
ESP_LOGW(TAG, "No Burner fault detected after threshold!");
eBurnerState = BURNER_FIRED;
}
}
}
}
if (!bHeatingInAction && !bBurnerFaultDetected)
if (!bHeatingInAction && (eBurnerState != BURNER_FAULT))
{
if (getOutdoorTemperature().average60s.fValue >= OUTDOOR_TEMPERATURE_THRESHOLD)
{
@ -143,6 +158,7 @@ void taskControl(void *pvParameters)
(getChamberTemperature().fCurrentValue <= CHAMBER_TEMPERATURE_THRESHOLD))
{
ESP_LOGI(TAG, "Enabling burner: Return flow temperature target reached");
eBurnerState = BURNER_UNKNOWN;
bHeatingInAction = true;
setCirculationPumpState(ENABLED);
setBurnerState(ENABLED);