WLED/wled00/e131.cpp

210 wiersze
7.1 KiB
C++

#include "wled.h"
#define MAX_3_CH_LEDS_PER_UNIVERSE 170
#define MAX_4_CH_LEDS_PER_UNIVERSE 128
#define MAX_CHANNELS_PER_UNIVERSE 512
/*
* E1.31 handler
*/
//DDP protocol support, called by handleE131Packet
//handles RGB data only
void handleDDPPacket(e131_packet_t* p) {
int lastPushSeq = e131LastSequenceNumber[0];
//reject late packets belonging to previous frame (assuming 4 packets max. before push)
if (e131SkipOutOfSequence && lastPushSeq) {
int sn = p->sequenceNum & 0xF;
if (sn) {
if (lastPushSeq > 5) {
if (sn > (lastPushSeq -5) && sn < lastPushSeq) return;
} else {
if (sn > (10 + lastPushSeq) || sn < lastPushSeq) return;
}
}
}
uint32_t start = htonl(p->channelOffset) /3;
start += DMXAddress /3;
uint16_t stop = start + htons(p->dataLen) /3;
uint8_t* data = p->data;
uint16_t c = 0;
if (p->flags & DDP_TIMECODE_FLAG) c = 4; //packet has timecode flag, we do not support it, but data starts 4 bytes later
realtimeLock(realtimeTimeoutMs, REALTIME_MODE_DDP);
for (uint16_t i = start; i < stop; i++) {
setRealtimePixel(i, data[c], data[c+1], data[c+2], 0);
c+=3;
}
bool push = p->flags & DDP_PUSH_FLAG;
if (push) {
e131NewData = true;
byte sn = p->sequenceNum & 0xF;
if (sn) e131LastSequenceNumber[0] = sn;
}
}
//E1.31 and Art-Net protocol support
void handleE131Packet(e131_packet_t* p, IPAddress clientIP, byte protocol){
uint16_t uni = 0, dmxChannels = 0;
uint8_t* e131_data = nullptr;
uint8_t seq = 0, mde = REALTIME_MODE_E131;
if (protocol == P_ARTNET)
{
uni = p->art_universe;
dmxChannels = htons(p->art_length);
e131_data = p->art_data;
seq = p->art_sequence_number;
mde = REALTIME_MODE_ARTNET;
} else if (protocol == P_E131) {
uni = htons(p->universe);
dmxChannels = htons(p->property_value_count) -1;
e131_data = p->property_values;
seq = p->sequence_number;
} else { //DDP
realtimeIP = clientIP;
handleDDPPacket(p);
return;
}
#ifdef WLED_ENABLE_DMX
// does not act on out-of-order packets yet
if (e131ProxyUniverse > 0 && uni == e131ProxyUniverse) {
for (uint16_t i = 1; i <= dmxChannels; i++)
dmx.write(i, e131_data[i]);
dmx.update();
}
#endif
// only listen for universes we're handling & allocated memory
if (uni >= (e131Universe + E131_MAX_UNIVERSE_COUNT)) return;
uint8_t previousUniverses = uni - e131Universe;
if (e131SkipOutOfSequence)
if (seq < e131LastSequenceNumber[uni-e131Universe] && seq > 20 && e131LastSequenceNumber[uni-e131Universe] < 250){
DEBUG_PRINT("skipping E1.31 frame (last seq=");
DEBUG_PRINT(e131LastSequenceNumber[uni-e131Universe]);
DEBUG_PRINT(", current seq=");
DEBUG_PRINT(seq);
DEBUG_PRINT(", universe=");
DEBUG_PRINT(uni);
DEBUG_PRINTLN(")");
return;
}
e131LastSequenceNumber[uni-e131Universe] = seq;
// update status info
realtimeIP = clientIP;
byte wChannel = 0;
switch (DMXMode) {
case DMX_MODE_DISABLED:
return; // nothing to do
break;
case DMX_MODE_SINGLE_RGB:
if (uni != e131Universe) return;
if (dmxChannels-DMXAddress+1 < 3) return;
realtimeLock(realtimeTimeoutMs, mde);
if (realtimeOverride) return;
wChannel = (dmxChannels-DMXAddress+1 > 3) ? e131_data[DMXAddress+3] : 0;
for (uint16_t i = 0; i < ledCount; i++)
setRealtimePixel(i, e131_data[DMXAddress+0], e131_data[DMXAddress+1], e131_data[DMXAddress+2], wChannel);
break;
case DMX_MODE_SINGLE_DRGB:
if (uni != e131Universe) return;
if (dmxChannels-DMXAddress+1 < 4) return;
realtimeLock(realtimeTimeoutMs, mde);
if (realtimeOverride) return;
wChannel = (dmxChannels-DMXAddress+1 > 4) ? e131_data[DMXAddress+4] : 0;
if (DMXOldDimmer != e131_data[DMXAddress+0]) {
DMXOldDimmer = e131_data[DMXAddress+0];
bri = e131_data[DMXAddress+0];
strip.setBrightness(bri);
}
for (uint16_t i = 0; i < ledCount; i++)
setRealtimePixel(i, e131_data[DMXAddress+1], e131_data[DMXAddress+2], e131_data[DMXAddress+3], wChannel);
break;
case DMX_MODE_EFFECT:
if (uni != e131Universe) return;
if (dmxChannels-DMXAddress+1 < 11) return;
if (DMXOldDimmer != e131_data[DMXAddress+0]) {
DMXOldDimmer = e131_data[DMXAddress+0];
bri = e131_data[DMXAddress+0];
}
if (e131_data[DMXAddress+1] < MODE_COUNT)
effectCurrent = e131_data[DMXAddress+ 1];
effectSpeed = e131_data[DMXAddress+ 2]; // flickers
effectIntensity = e131_data[DMXAddress+ 3];
effectPalette = e131_data[DMXAddress+ 4];
col[0] = e131_data[DMXAddress+ 5];
col[1] = e131_data[DMXAddress+ 6];
col[2] = e131_data[DMXAddress+ 7];
colSec[0] = e131_data[DMXAddress+ 8];
colSec[1] = e131_data[DMXAddress+ 9];
colSec[2] = e131_data[DMXAddress+10];
if (dmxChannels-DMXAddress+1 > 11)
{
col[3] = e131_data[DMXAddress+11]; //white
colSec[3] = e131_data[DMXAddress+12];
}
transitionDelayTemp = 0; // act fast
colorUpdated(NOTIFIER_CALL_MODE_NOTIFICATION); // don't send UDP
return; // don't activate realtime live mode
break;
case DMX_MODE_MULTIPLE_DRGB:
case DMX_MODE_MULTIPLE_RGB:
case DMX_MODE_MULTIPLE_RGBW:
{
realtimeLock(realtimeTimeoutMs, mde);
bool is4Chan = (DMXMode == DMX_MODE_MULTIPLE_RGBW);
const uint16_t dmxChannelsPerLed = is4Chan ? 4 : 3;
const uint16_t ledsPerUniverse = is4Chan ? MAX_4_CH_LEDS_PER_UNIVERSE : MAX_3_CH_LEDS_PER_UNIVERSE;
if (realtimeOverride) return;
uint16_t previousLeds, dmxOffset;
if (previousUniverses == 0) {
if (dmxChannels-DMXAddress < 1) return;
dmxOffset = DMXAddress;
previousLeds = 0;
// First DMX address is dimmer in DMX_MODE_MULTIPLE_DRGB mode.
if (DMXMode == DMX_MODE_MULTIPLE_DRGB) {
strip.setBrightness(e131_data[dmxOffset++]);
}
} else {
// All subsequent universes start at the first channel.
dmxOffset = (protocol == P_ARTNET) ? 0 : 1;
uint16_t ledsInFirstUniverse = (MAX_CHANNELS_PER_UNIVERSE - DMXAddress) / dmxChannelsPerLed;
previousLeds = ledsInFirstUniverse + (previousUniverses - 1) * ledsPerUniverse;
}
uint16_t ledsTotal = previousLeds + (dmxChannels - dmxOffset +1) / dmxChannelsPerLed;
if (!is4Chan) {
for (uint16_t i = previousLeds; i < ledsTotal; i++) {
setRealtimePixel(i, e131_data[dmxOffset], e131_data[dmxOffset+1], e131_data[dmxOffset+2], 0);
dmxOffset+=3;
}
} else {
for (uint16_t i = previousLeds; i < ledsTotal; i++) {
setRealtimePixel(i, e131_data[dmxOffset], e131_data[dmxOffset+1], e131_data[dmxOffset+2], e131_data[dmxOffset+3]);
dmxOffset+=4;
}
}
break;
}
default:
DEBUG_PRINTLN(F("unknown E1.31 DMX mode"));
return; // nothing to do
break;
}
e131NewData = true;
}