float Light::readIntegratedSlope()
{
float value = ((float)readEv() - readIntegratedEv()) / (float)integration;
value *= 30.0; // stops per 30min
return value;
}
float Light::readIntegratedSlope()
{
if(!integrationActive) return 0.0;
float value = (readEv() - integrated) / (float)integration;
value *= (60.0 / 3.0); // stops per hour
return value;
}
void Light::integrationStart(uint8_t integration_minutes, int8_t darkOffset)
{
start();
integration = integration_minutes;
pos = 0;
lastSeconds = clock.Seconds() + 1; // +1 so it can never be zero
for(uint8_t i = 0; i < LIGHT_INTEGRATION_COUNT; i++)
{
iev[i] = readEv(); // initialize array with readings //
wdt_reset();
}
}
void Light::task()
{
if(lastSeconds == 0) return;
if(clock.Seconds() > lastSeconds + ((integration * 60) / LIGHT_INTEGRATION_COUNT))
{
lastSeconds = clock.Seconds();
iev[pos] = readEv();
pos++;
if(pos >= LIGHT_INTEGRATION_COUNT) pos = 0;
iev[pos] = 0;
}
}
void Light::integrationStart(uint8_t integration_minutes)
{
start();
//DEBUG(STR(" ####### LIGHT INTEGRATION START #######\r\n"));
integration = (uint16_t)integration_minutes;
lastSeconds = 0;
for(uint8_t i = 0; i < LIGHT_INTEGRATION_COUNT; i++)
{
iev[i] = readEv(); // initialize array with readings //
wdt_reset();
}
integrationActive = true;
slope = 0.0;
median = iev[0];
integrated = iev[0];
lockedSlope = 0.0;
task();
}
void Light::task()
{
if(!initialized || !integrationActive) return;
if(skipTask) return;
if(paused)
{
lcd.backlight(255);
wasPaused = 5;
return;
}
if(wasPaused > 0)
{
lcd.backlight(0);
wasPaused--;
return;
}
if(lastSeconds == 0 || (clock.Seconds() > lastSeconds + (uint32_t)((integration * 60) / LIGHT_INTEGRATION_COUNT)))
{
lastSeconds = clock.Seconds();
for(uint8_t i = 0; i < LIGHT_INTEGRATION_COUNT - 1; i++)
{
iev[i] = iev[i + 1];
}
iev[LIGHT_INTEGRATION_COUNT - 1] = readEv();
slope = readIntegratedSlopeMedian();
if(iev[LIGHT_INTEGRATION_COUNT - 1] <= NIGHT_THRESHOLD)
{
underThreshold = true;
if(lockedSlope == 0.0 && slope) lockedSlope = slope;
}
else if(iev[LIGHT_INTEGRATION_COUNT - 1] > NIGHT_THRESHOLD + NIGHT_THRESHOLD_HYSTERESIS)
{
underThreshold = false;
lockedSlope = 0.0;
}
median = arrayMedian50(iev, LIGHT_INTEGRATION_COUNT);
float sum = 0.0;
for(uint8_t i = 0; i < LIGHT_INTEGRATION_COUNT; i++) sum += iev[i];
integrated = sum / (float)(LIGHT_INTEGRATION_COUNT);
if(conf.debugEnabled)
{
//DEBUG(STR("\r\nIEV: "));
//for(uint8_t i = 0; i < LIGHT_INTEGRATION_COUNT; i++)
//{
// DEBUG(iev[i]);
// DEBUG(STR(","));
//}
//DEBUG_NL();
//
//DEBUG(STR("#######LOCKED "));
//DEBUG(lockedSlope);
//DEBUG(STR(" #######\r\n"));
//
//DEBUG(STR("####### SLOPE "));
//DEBUG(slope);
//DEBUG(STR(" #######\r\n"));
//
//
//DEBUG(STR("####### INT "));
//DEBUG(integrated);
//DEBUG(STR(" #######\r\n"));
//
//DEBUG(STR("####### MED "));
//DEBUG(median);
//DEBUG(STR(" #######\r\n"));
//
//DEBUG(STR("####### EV "));
//DEBUG(iev[LIGHT_INTEGRATION_COUNT - 1]);
//DEBUG(STR(" #######\r\n"));
}
}
}