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esp-pixelprojektor
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random, set, off and pixels functions implemented

This commit is contained in:
interfisch 2016-12-18 23:37:20 +01:00
parent 87edf61c7d
commit e78b371e73
1 changed files with 81 additions and 17 deletions
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98
pixelprojektor/pixelprojektor.ino
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@ -11,23 +11,51 @@ Adafruit_NeoPixel strip = Adafruit_NeoPixel(64, PIN, NEO_GRB + NEO_KHZ800);
HomieNode homieNode("pixel", "commands"); HomieNode homieNode("pixel", "commands");
int xyToPos(int x, int y){ //convert x y pixel position to matrix position
if (y%2==0){
return (y*8+x);
}else{
return (y*8+(7-x));
}
}
int numToPos(int num){ //convert pixel number to actual 8x8 matrix position
int x=num%8;
int y=num/8;
return xyToPos(x,y);
}
uint32_t wheel(byte WheelPos) {
WheelPos = 255 - WheelPos;
if(WheelPos < 85) {
return strip.Color(255 - WheelPos * 3, 0, WheelPos * 3);
}
if(WheelPos < 170) {
WheelPos -= 85;
return strip.Color(0, WheelPos * 3, 255 - WheelPos * 3);
}
WheelPos -= 170;
return strip.Color(WheelPos * 3, 255 - WheelPos * 3, 0);
}
void led_fill(uint32_t c) void led_fill(uint32_t c)
{ {
for (int i=0; i < strip.numPixels(); i++) { for (int i=0; i < strip.numPixels(); i++) {
strip.setPixelColor(i, c); //turn every third pixel on strip.setPixelColor(i, c);
} }
strip.show(); strip.show();
} }
bool effectHandler(const HomieRange& range, const String& value) { void led_random()
int sep = value.indexOf("|"); {
for (int i=0; i < strip.numPixels(); i++) {
strip.setPixelColor(i, wheel(random(0,255)));
}
Homie.getLogger() << "-> " << value << endl; strip.show();
}
//Serial.print("->"); Serial.println(value);
uint32_t parseColor(String value){
if (value.charAt(0)=='#'){ //solid fill if (value.charAt(0)=='#'){ //solid fill
String color=value.substring(1); String color=value.substring(1);
int number = (int) strtol( &color[0], NULL, 16); int number = (int) strtol( &color[0], NULL, 16);
@ -41,26 +69,62 @@ bool effectHandler(const HomieRange& range, const String& value) {
//Serial.print("r=");Serial.print(r); //Serial.print("r=");Serial.print(r);
//Serial.print(" g=");Serial.print(g); //Serial.print(" g=");Serial.print(g);
//Serial.print(" b=");Serial.println(b); //Serial.print(" b=");Serial.println(b);
return strip.Color(r, g, b);
led_fill(strip.Color(r, g, b)); }
return 0;
}
bool effectHandler(const HomieRange& range, const String& value) {
Homie.getLogger() << "-> " << value << endl;
int sep = value.indexOf("|");
String command=value.substring(0,sep);
String parameters=value.substring(sep+1);
Homie.getLogger() << "command=" << command << " parameters=" << parameters << endl;
if (command.equals("fill")){
led_fill(parseColor(parameters));
}else if (command.equals("off")){
led_fill(strip.Color(0, 0, 0));
}else if (command.equals("random")){
led_random();
}else if (command.equals("set")){
int x=parameters.substring(0,1).toInt();
int y=parameters.substring(1,2).toInt();
String cstr=parameters.substring(2,9);
strip.setPixelColor(xyToPos(x,y), parseColor(cstr));
strip.show();
} }
return true; return true;
} }
bool pixelsHandler(const HomieRange& range, const String& value) { bool pixelsHandler(const HomieRange& range, const String& value) {
int sep = value.indexOf("|");
String remaining=value;
if(sep > 0) { int i=0;
do{
String current=remaining.substring(0,7);
Homie.getLogger() << i << ":" << current << endl;
uint32_t currentcolor=parseColor(current);
strip.setPixelColor(i, currentcolor);
i++;
//Homie.getLogger() << "scroll " << value << " wait " << wait << endl; remaining=remaining.substring(7);
} else {
//Homie.getLogger() << "scroll " << value << endl; }while(remaining.length()>2 && (i<strip.numPixels()));
Homie.getLogger() << " filling rest with black" << endl;
while(i<strip.numPixels()){
strip.setPixelColor(numToPos(i), strip.Color(0,0,0));
i++;
} }
strip.show();
return true; return true;
} }