93 lines
1.9 KiB
C++
93 lines
1.9 KiB
C++
/*
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* RGB.NET (artemis) receiver
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*
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* This works via the UDP, http is not supported apart from reporting LED count
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*
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*
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*/
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#include "wled.h"
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#include <WiFiUdp.h>
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WiFiUDP UDP;
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const unsigned int RGBNET_localUdpPort = 1872; // local port to listen on
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unsigned char RGBNET_packet[770];
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long lastTime = 0;
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int delayMs = 10;
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bool isRGBNETUDPEnabled;
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void RGBNET_readValues() {
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int RGBNET_packetSize = UDP.parsePacket();
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if (RGBNET_packetSize) {
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// receive incoming UDP packets
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int sequenceNumber = UDP.read();
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int channel = UDP.read();
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//channel data is not used we only supports one channel
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int len = UDP.read(RGBNET_packet, strip.getLengthTotal()*3);
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if(len==0){
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return;
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}
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for (int i = 0; i < len; i=i+3) {
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strip.setPixelColor(i/3, RGBNET_packet[i], RGBNET_packet[i+1], RGBNET_packet[i+2], 0);
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}
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//strip.show();
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}
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}
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//update LED strip
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void RGBNET_show() {
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strip.show();
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lastTime = millis();
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}
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//This function provides a json with info on the number of LEDs connected
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// it is needed by artemis to know how many LEDs to display on the surface
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void handleConfig(AsyncWebServerRequest *request)
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{
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String config = (String)"{\
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\"channels\": [\
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{\
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\"channel\": 1,\
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\"leds\": " + strip.getLengthTotal() + "\
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},\
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{\
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\"channel\": 2,\
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\"leds\": " + "0" + "\
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},\
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{\
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\"channel\": 3,\
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\"leds\": " + "0" + "\
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},\
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{\
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\"channel\": 4,\
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\"leds\": " + "0" + "\
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}\
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]\
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}";
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request->send(200, "application/json", config);
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}
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void userSetup()
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{
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server.on("/config", HTTP_GET, [](AsyncWebServerRequest *request){
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handleConfig(request);
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});
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}
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void userConnected()
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{
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// new wifi, who dis?
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UDP.begin(RGBNET_localUdpPort);
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isRGBNETUDPEnabled = true;
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}
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void userLoop()
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{
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RGBNET_readValues();
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if (millis()-lastTime > delayMs) {
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RGBNET_show();
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}
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} |