From 56ed6ab6dc12e805265463f77def6a9d0e9f1fae Mon Sep 17 00:00:00 2001
From: Harald Barth <haba@kth.se>
Date: Thu, 20 Oct 2022 00:52:19 +0200
Subject: [PATCH] free memory value updated on ESP

---
 DCCRMT.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/DCCRMT.cpp b/DCCRMT.cpp
index 4c5fe4e..631cc16 100644
--- a/DCCRMT.cpp
+++ b/DCCRMT.cpp
@@ -21,6 +21,7 @@
 #include "defines.h"
 #include "DIAG.h"
 #include "DCCRMT.h"
+#include "DCCTimer.h"
 #include "DCCWaveform.h" // for MAX_PACKET_SIZE
 #include "soc/gpio_sig_map.h"
 
@@ -67,6 +68,8 @@ RMTChannel *channelHandle[8] = { 0 };
 void IRAM_ATTR interrupt(rmt_channel_t channel, void *t) {
   RMTChannel *tt = channelHandle[channel];
   if (tt) tt->RMTinterrupt();
+  if (channel == 0)
+    DCCTimer::updateMinimumFreeMemoryISR(0);
 }
 
 RMTChannel::RMTChannel(pinpair pins, bool isMain) {