98 lines
2.4 KiB
C++
98 lines
2.4 KiB
C++
/*
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* Car rev display and shift indicator for Project Cars
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*
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* This works via the UDP telemetry function. You'll need to enable it in the settings of the game.
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* I've had good results with settings around 5 (20 fps).
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*
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*/
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#include "wled.h"
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const uint8_t PCARS_dimcolor = 20;
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WiFiUDP UDP;
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const unsigned int PCARS_localUdpPort = 5606; // local port to listen on
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char PCARS_packet[2048];
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char PCARS_tempChar[2]; // Temporary array for u16 conversion
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u16 PCARS_RPM;
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u16 PCARS_maxRPM;
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long PCARS_lastRead = millis() - 2001;
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float PCARS_rpmRatio;
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void PCARS_readValues() {
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int PCARS_packetSize = UDP.parsePacket();
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if (PCARS_packetSize) {
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int len = UDP.read(PCARS_packet, PCARS_packetSize);
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if (len > 0) {
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PCARS_packet[len] = 0;
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}
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if (len == 1367) { // Telemetry packet. Ignoring everything else.
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PCARS_lastRead = millis();
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realtimeLock(realtimeTimeoutMs, REALTIME_MODE_GENERIC);
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// current RPM
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memcpy(&PCARS_tempChar, &PCARS_packet[124], 2);
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PCARS_RPM = (PCARS_tempChar[1] << 8) + PCARS_tempChar[0];
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// max RPM
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memcpy(&PCARS_tempChar, &PCARS_packet[126], 2);
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PCARS_maxRPM = (PCARS_tempChar[1] << 8) + PCARS_tempChar[0];
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if (PCARS_maxRPM) {
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PCARS_rpmRatio = constrain((float)PCARS_RPM / (float)PCARS_maxRPM, 0, 1);
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} else {
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PCARS_rpmRatio = 0.0;
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}
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}
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}
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}
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void PCARS_buildcolorbars() {
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boolean activated = false;
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float ledratio = 0;
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uint16_t totalLen = strip.getLengthTotal();
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for (uint16_t i = 0; i < totalLen; i++) {
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if (PCARS_rpmRatio < .95 || (millis() % 100 > 70 )) {
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ledratio = (float)i / (float)totalLen;
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if (ledratio < PCARS_rpmRatio) {
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activated = true;
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} else {
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activated = false;
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}
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if (ledratio > 0.66) {
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setRealtimePixel(i, 0, 0, PCARS_dimcolor + ((255 - PCARS_dimcolor)*activated), 0);
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} else if (ledratio > 0.33) {
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setRealtimePixel(i, PCARS_dimcolor + ((255 - PCARS_dimcolor)*activated), 0, 0, 0);
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} else {
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setRealtimePixel(i, 0, PCARS_dimcolor + ((255 - PCARS_dimcolor)*activated), 0, 0);
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}
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}
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else {
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setRealtimePixel(i, 0, 0, 0, 0);
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}
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}
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colorUpdated(5);
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strip.show();
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}
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void userSetup()
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{
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UDP.begin(PCARS_localUdpPort);
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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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}
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void userLoop()
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{
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PCARS_readValues();
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if (PCARS_lastRead > millis() - 2000) {
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PCARS_buildcolorbars();
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}
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} |