lumini_p30_control/firmware/light_engine.ino

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Arduino
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//********************************//
void apply_scene(uint8_t new_scene, uint8_t light)
{
if (new_scene == SCENE_RELEAX)
{
bri[light] = 144;
} else if (new_scene == SCENE_BRIGHT)
{
bri[light] = 254;
} else if (new_scene == SCENE_NIGHTLY)
{
bri[0] = 25;
bri[1] = 0;
bri[2] = 0;
bri[3] = 0;
}
}
//********************************//
void process_lightdata(uint8_t light, float tt)
{
if (tt <= 0)
{
tt = default_transitiontime;
}
if (light_state[light])
{
step_level[light] = (bri[light] - current_bri[light]) / tt;
} else {
step_level[light] = current_bri[light] / tt;
}
}
//********************************//
void lightEngine()
{
if (millis() < (last_lightengine_activity + TIME_LIGHTENGINE_INTERVAL_MS)) {
// abort processing, the transition setting is a delay of seconds
return;
}
last_lightengine_activity = millis();
for (int i = 0; i < LIGHTS_COUNT; i++)
{
if (light_state[i] == true)
{
if (bri[i] != current_bri[i])
{
in_transition = true;
current_bri[i] += step_level[i] / BRI_MOD_STEPS_PER_SEC;
if ((step_level[i] > 0.0 && current_bri[i] > bri[i]) ||
(step_level[i] < 0.0 && current_bri[i] < bri[i]))
{
current_bri[i] = bri[i];
//Serial.println("Reached target bri[" + (String)i + "] = " + (String)bri[i]);
}
uint16_t tmp_pwm = calcPWM(current_bri[i]);
current_pwm[i] = tmp_pwm;
//Serial.println("lon: pin" + (String)i + " = PWM(" + (String)tmp_pwm + ")");
analogWrite(pins[i], tmp_pwm);
}
} else { // light state is off
if (current_bri[i] != 0)
{
in_transition = true;
current_bri[i] -= step_level[i] / BRI_MOD_STEPS_PER_SEC;
if (current_bri[i] < 0)
{
current_bri[i] = 0;
//Serial.println("Reached target bri[" + (String)i + "] = " + (String)bri[i]);
}
uint16_t tmp_pwm = calcPWM(current_bri[i]);
current_pwm[i] = tmp_pwm;
//Serial.println("loff: pin" + (String)i + " = PWM(" + (String)tmp_pwm + ")");
analogWrite(pins[i], tmp_pwm);
}
}
} // for loop end
if (in_transition)
{
delay(6);
in_transition = false;
}
}
//********************************//
uint16_t calcPWM(float tbri)
{
uint16_t tmp_pwm = PWM_OFF;
if (tbri > 0.0)
{
tmp_pwm = PWM_MIN + (int)(tbri * BRI_TO_PWM_FACTOR);
}
if (tmp_pwm > PWM_MAX)
{
tmp_pwm = PWM_MAX;
}
return tmp_pwm;
}
//********************************//