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Merge pull request #3834 from willmmiles/ddp-no-push

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Support DDP sources that don't PUSH
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Blaž Kristan 2024-03-19 07:30:58 +01:00 committed by GitHub
commit 6d03c3a54c
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1 changed files with 4 additions and 1 deletions
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5
wled00/e131.cpp
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@ -11,6 +11,7 @@
//DDP protocol support, called by handleE131Packet //DDP protocol support, called by handleE131Packet
//handles RGB data only //handles RGB data only
void handleDDPPacket(e131_packet_t* p) { void handleDDPPacket(e131_packet_t* p) {
static bool ddpSeenPush = false; // have we seen a push yet?
int lastPushSeq = e131LastSequenceNumber[0]; int lastPushSeq = e131LastSequenceNumber[0];
//reject late packets belonging to previous frame (assuming 4 packets max. before push) //reject late packets belonging to previous frame (assuming 4 packets max. before push)
@ -34,6 +35,7 @@ void handleDDPPacket(e131_packet_t* p) {
uint16_t c = 0; 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 if (p->flags & DDP_TIMECODE_FLAG) c = 4; //packet has timecode flag, we do not support it, but data starts 4 bytes later
if (realtimeMode != REALTIME_MODE_DDP) ddpSeenPush = false; // just starting, no push yet
realtimeLock(realtimeTimeoutMs, REALTIME_MODE_DDP); realtimeLock(realtimeTimeoutMs, REALTIME_MODE_DDP);
if (!realtimeOverride || (realtimeMode && useMainSegmentOnly)) { if (!realtimeOverride || (realtimeMode && useMainSegmentOnly)) {
@ -44,7 +46,8 @@ void handleDDPPacket(e131_packet_t* p) {
} }
bool push = p->flags & DDP_PUSH_FLAG; bool push = p->flags & DDP_PUSH_FLAG;
if (push) { ddpSeenPush |= push;
if (!ddpSeenPush || push) { // if we've never seen a push, or this is one, render display
e131NewData = true; e131NewData = true;
byte sn = p->sequenceNum & 0xF; byte sn = p->sequenceNum & 0xF;
if (sn) e131LastSequenceNumber[0] = sn; if (sn) e131LastSequenceNumber[0] = sn;