diff --git a/code/espurna/light.ino b/code/espurna/light.ino index c1a88b31..52ed03d2 100644 --- a/code/espurna/light.ino +++ b/code/espurna/light.ino @@ -54,6 +54,7 @@ bool _light_use_transitions = false; unsigned int _light_transition_time = LIGHT_TRANSITION_TIME; unsigned long _light_steps_left = 1; +bool _light_dirty = false; bool _light_state = false; unsigned char _light_brightness = Light::BRIGHTNESS_MAX; unsigned int _light_mireds = lround((Light::MIREDS_COLDWHITE + Light::MIREDS_WARMWHITE) / 2); @@ -102,15 +103,29 @@ static_assert(Light::VALUE_MAX <= sizeof(_light_gamma_table), "Out-of-bounds arr // UTILS // ----------------------------------------------------------------------------- +void _setValue(const unsigned char id, const unsigned int value) { + if (_light_channel[id].value != value) { + _light_channel[id].value = value; + _light_dirty = true; + } +} + +void _setInputValue(const unsigned char id, const unsigned int value) { + if (_light_channel[id].inputValue != value) { + _light_channel[id].inputValue = value; + _light_dirty = true; + } +} + void _setRGBInputValue(unsigned char red, unsigned char green, unsigned char blue) { - _light_channel[0].inputValue = constrain(red, Light::VALUE_MIN, Light::VALUE_MAX); - _light_channel[1].inputValue = constrain(green, Light::VALUE_MIN, Light::VALUE_MAX); - _light_channel[2].inputValue = constrain(blue, Light::VALUE_MIN, Light::VALUE_MAX); + _setInputValue(0, constrain(red, Light::VALUE_MIN, Light::VALUE_MAX)); + _setInputValue(1, constrain(green, Light::VALUE_MIN, Light::VALUE_MAX)); + _setInputValue(2, constrain(blue, Light::VALUE_MIN, Light::VALUE_MAX)); } void _setCCTInputValue(unsigned char warm, unsigned char cold) { - _light_channel[0].inputValue = constrain(warm, Light::VALUE_MIN, Light::VALUE_MAX); - _light_channel[1].inputValue = constrain(cold, Light::VALUE_MIN, Light::VALUE_MAX); + _setInputValue(0, constrain(warm, Light::VALUE_MIN, Light::VALUE_MAX)); + _setInputValue(1, constrain(cold, Light::VALUE_MIN, Light::VALUE_MAX)); } void _lightApplyBrightness(unsigned char channels = lightChannels()) { @@ -121,7 +136,7 @@ void _lightApplyBrightness(unsigned char channels = lightChannels()) { for (unsigned char i=0; i < lightChannels(); i++) { if (i >= channels) brightness = 1; - _light_channel[i].value = _light_channel[i].inputValue * brightness; + _setValue(i, _light_channel[i].inputValue * brightness); } } @@ -133,7 +148,7 @@ void _lightApplyBrightnessColor() { // Substract the common part from RGB channels and add it to white channel. So [250,150,50] -> [200,100,0,50] unsigned char white = std::min(_light_channel[0].inputValue, std::min(_light_channel[1].inputValue, _light_channel[2].inputValue)); for (unsigned int i=0; i < 3; i++) { - _light_channel[i].value = _light_channel[i].inputValue - white; + _setValue(i, _light_channel[i].inputValue - white); } // Split the White Value across 2 White LED Strips. @@ -144,14 +159,14 @@ void _lightApplyBrightnessColor() { // set cold white _light_channel[3].inputValue = 0; - _light_channel[3].value = lround(((double) 1.0 - miredFactor) * white); + _setValue(3, lround(((double) 1.0 - miredFactor) * white)); // set warm white _light_channel[4].inputValue = 0; - _light_channel[4].value = lround(miredFactor * white); + _setValue(4, lround(miredFactor * white)); } else { _light_channel[3].inputValue = 0; - _light_channel[3].value = white; + _setValue(3, white); } // Scale up to equal input values. So [250,150,50] -> [200,100,0,50] -> [250, 125, 0, 63] @@ -165,18 +180,18 @@ void _lightApplyBrightnessColor() { double factor = (max_out > 0) ? (double) (max_in / max_out) : 0; for (unsigned char i=0; i < channelSize; i++) { - _light_channel[i].value = lround((double) _light_channel[i].value * factor * brightness); + _setValue(i, lround((double) _light_channel[i].value * factor * brightness)); } // Scale white channel to match brightness for (unsigned char i=3; i < channelSize; i++) { - _light_channel[i].value = constrain(static_cast(_light_channel[i].value * LIGHT_WHITE_FACTOR), Light::BRIGHTNESS_MIN, Light::BRIGHTNESS_MAX); + _setValue(i, constrain(static_cast(_light_channel[i].value * LIGHT_WHITE_FACTOR), Light::BRIGHTNESS_MIN, Light::BRIGHTNESS_MAX)); } // For the rest of channels, don't apply brightness, it is already in the inputValue // i should be 4 when RGBW and 5 when RGBWW for (unsigned char i=channelSize; i < _light_channel.size(); i++) { - _light_channel[i].value = _light_channel[i].inputValue; + _setValue(i, _light_channel[i].inputValue); } } @@ -236,19 +251,19 @@ void _fromRGB(const char * rgb) { tok = strtok(p, ","); while (tok != NULL) { - _light_channel[count].inputValue = atoi(tok); + _setInputValue(count, atoi(tok)); if (++count == channels) break; tok = strtok(NULL, ","); } // RGB but less than 3 values received, assume it is 0 if (_light_has_color && (count < 3)) { - // check channel 1 and 2: - for (int i = 1; i <= 2; i++) { - if (count < (i+1)) { - _light_channel[i].inputValue = 0; + // check channel 1 and 2: + for (int i = 1; i <= 2; i++) { + if (count < (i+1)) { + _setInputValue(i, 0); + } } - } } break; } @@ -805,8 +820,13 @@ void _lightComms(unsigned char mask) { void lightUpdate(bool save, bool forward, bool group_forward) { + // Calculate values based on inputs and brightness _light_brightness_func(); + // Only update if a channel has changed + if (!_light_dirty) return; + _light_dirty = false; + // Update channels for (unsigned int i=0; i < _light_channel.size(); i++) { _light_channel[i].target = _light_state && _light_channel[i].state ? _light_channel[i].value : 0; @@ -843,7 +863,10 @@ void lightSave() { #endif void lightState(unsigned char i, bool state) { - _light_channel[i].state = state; + if (_light_channel[i].state != state) { + _light_channel[i].state = state; + _light_dirty = true; + } } bool lightState(unsigned char i) { @@ -851,7 +874,10 @@ bool lightState(unsigned char i) { } void lightState(bool state) { - _light_state = state; + if (_light_state != state) { + _light_state = state; + _light_dirty = true; + } } bool lightState() { @@ -898,7 +924,7 @@ unsigned int lightChannel(unsigned char id) { void lightChannel(unsigned char id, unsigned char value) { if (id <= _light_channel.size()) { - _light_channel[id].inputValue = constrain(value, Light::VALUE_MIN, Light::VALUE_MAX); + _setInputValue(id, constrain(value, Light::VALUE_MIN, Light::VALUE_MAX)); } }