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heap mud scrum

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Avoid heap fragmentation.
Use static UDP buffers on ESP32, instead of allocating them from the heap repeatedly.
This commit is contained in:
Frank
2023-06-07 18:21:16 +02:00
parent d8a68890d4
commit 7465be7d42
1 changed files with 25 additions and 12 deletions
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37
wled00/udp.cpp
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@@ -141,9 +141,10 @@ void notify(byte callMode, bool followUp)
IPAddress broadcastIp;
broadcastIp = ~uint32_t(Network.subnetMask()) | uint32_t(Network.gatewayIP());
notifierUdp.beginPacket(broadcastIp, udpPort);
notifierUdp.write(udpOut, WLEDPACKETSIZE);
notifierUdp.endPacket();
if (0 != notifierUdp.beginPacket(broadcastIp, udpPort)) { // WLEDMM beginPacket == 0 --> error
notifierUdp.write(udpOut, WLEDPACKETSIZE);
notifierUdp.endPacket();
}
notificationSentCallMode = callMode;
notificationSentTime = millis();
notificationCount = followUp ? notificationCount + 1 : 0;
@@ -203,12 +204,19 @@ void exitRealtime() {
#define TMP2NET_OUT_PORT 65442
void sendTPM2Ack() {
notifierUdp.beginPacket(notifierUdp.remoteIP(), TMP2NET_OUT_PORT);
uint8_t response_ack = 0xac;
notifierUdp.write(&response_ack, 1);
notifierUdp.endPacket();
if (0 != notifierUdp.beginPacket(notifierUdp.remoteIP(), TMP2NET_OUT_PORT)) { // WLEDMM beginPacket == 0 --> error
uint8_t response_ack = 0xac;
notifierUdp.write(&response_ack, 1);
notifierUdp.endPacket();
}
}
#ifdef ARDUINO_ARCH_ESP32
// WLEDMM don't use dynamic arrays for receiving UDP. ESP32 has enough RAM, and handleNotifications() is only called from main loop, so one static buffer should be enough.
static uint8_t lbuf[UDP_IN_MAXSIZE+1];
static uint8_t udpIn[UDP_IN_MAXSIZE+1];
// WLEDMM end
#endif
void handleNotifications()
{
@@ -247,7 +255,9 @@ void handleNotifications()
if (packetSize > UDP_IN_MAXSIZE || packetSize < 3) {rgbUdp.flush(); notifierUdp.flush(); notifier2Udp.flush(); return;}
realtimeIP = rgbUdp.remoteIP();
DEBUG_PRINTLN(rgbUdp.remoteIP());
uint8_t lbuf[packetSize];
#ifndef ARDUINO_ARCH_ESP32
uint8_t lbuf[packetSize+1]; // WLEDMM: use global buffer on ESP32
#endif
rgbUdp.read(lbuf, packetSize);
realtimeLock(realtimeTimeoutMs, REALTIME_MODE_HYPERION);
if (realtimeOverride && !(realtimeMode && useMainSegmentOnly)) {notifierUdp.flush(); notifier2Udp.flush(); return;}
@@ -270,7 +280,9 @@ void handleNotifications()
if (!packetSize || packetSize > UDP_IN_MAXSIZE) {notifierUdp.flush(); notifier2Udp.flush(); return;}
if (!isSupp && notifierUdp.remoteIP() == localIP) {notifierUdp.flush(); notifier2Udp.flush(); return;} //don't process broadcasts we send ourselves
uint8_t udpIn[packetSize +1];
#ifndef ARDUINO_ARCH_ESP32
uint8_t udpIn[packetSize +1]; // WLEDMM: use global buffer on ESP32
#endif
uint16_t len;
if (isSupp) len = notifier2Udp.read(udpIn, packetSize);
else len = notifierUdp.read(udpIn, packetSize);
@@ -677,9 +689,10 @@ void sendSysInfoUDP()
data[40+i] = (build>>(8*i)) & 0xFF;
IPAddress broadcastIP(255, 255, 255, 255);
notifier2Udp.beginPacket(broadcastIP, udpPort2);
notifier2Udp.write(data, sizeof(data));
notifier2Udp.endPacket();
if (0 != notifier2Udp.beginPacket(broadcastIP, udpPort2)) { // WLEDMM beginPacket == 0 --> error
notifier2Udp.write(data, sizeof(data));
notifier2Udp.endPacket();
}
}