vu meter (re)added

This commit is contained in:
starcalc 2019-07-02 20:29:09 +02:00
parent aaea4c0353
commit 9e98c886f7
1 changed files with 34 additions and 1 deletions

View File

@ -77,6 +77,39 @@ bool onSetPixel(const HomieRange& range, const String& value) {
homieNode.setProperty("pixel_" + String(range.index)).send(value); homieNode.setProperty("pixel_" + String(range.index)).send(value);
} }
bool onSetVU(const HomieRange& range, const String& value) {
strip.Stop(); // Do not show any "effects" anymore
strip.clear(); // All pixels to black
String remaining = value;
String current;
int i = 0;
do
{
if (remaining.length() == 1)
{
current = remaining.substring(0,1);
} else {
current = remaining.substring(0,2);
}
int currentvalue = (int) strtol(&current[0], NULL, 10);
// White peak
strip.setPixelColor(strip.numToPos(56+i-currentvalue*8), 16777215); // White dot
// Shaded bar "below" the peak
if (currentvalue>0)
{
for (int j=currentvalue-1;j>-1;j--)
{
strip.setPixelColor(strip.numToPos(56+i-j*8), 4276545); // Greyscale
}
}
i++;
remaining = remaining.substring(2);
} while (remaining.length()>0); // TODO: Not bigger than strip
strip.show();
homieNode.setProperty("VU_" + String(range.index)).send(value);
}
bool onSetBrightness(const HomieRange& range, const String& value) { bool onSetBrightness(const HomieRange& range, const String& value) {
long brightness = value.toInt(); long brightness = value.toInt();
if (brightness < 0 || brightness > 255) { if (brightness < 0 || brightness > 255) {
@ -320,7 +353,7 @@ void setup() {
homieNode.advertise("icon").settable(onSetIcon); homieNode.advertise("icon").settable(onSetIcon);
homieNode.advertise("next").settable(onSetNext); homieNode.advertise("next").settable(onSetNext);
homieNode.advertiseRange("pixels", 0, (NUMPIXELS - 1) * 7).settable(onSetPixels); homieNode.advertiseRange("pixels", 0, (NUMPIXELS - 1) * 7).settable(onSetPixels);
homieNode.advertiseRange("vu", 0, sqrt(NUMPIXELS)-1).settable(onSetVU);
strip.begin(); strip.begin();
strip.clear(); strip.clear();