From 2aa7e9a62309c9c0274804ca1f2ffa8c3f04e935 Mon Sep 17 00:00:00 2001
From: mishkashishka0 <107191711+mishkashishka0@users.noreply.github.com>
Date: Tue, 20 Aug 2024 14:53:05 +0300
Subject: [PATCH 1/3] Update FreqCountESP.cpp

Corrected with new ESP-IDF 5.1 API
---
 src/FreqCountESP.cpp | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/src/FreqCountESP.cpp b/src/FreqCountESP.cpp
index 6e5b696..d3be038 100644
--- a/src/FreqCountESP.cpp
+++ b/src/FreqCountESP.cpp
@@ -122,7 +122,9 @@ void _FreqCountESP::_begin(uint8_t freqPin, uint8_t freqPinIOMode)
 #endif  // USE_PCNT
   if(mTriggerPin == 0) {
     // Not external trigger, start internal timer.
-    timerAlarmEnable(mTimer);
+    //https://espressif-docs.readthedocs-hosted.com/projects/arduino-esp32/en/latest/migration_guides/2.x_to_3.0.html?highlight=timerAlarm
+    //remove old timerAlarm API
+    //timerAlarmEnable(mTimer);
   }
 }
 
@@ -131,9 +133,10 @@ void _FreqCountESP::begin(uint8_t freqPin, uint16_t timerMs, uint8_t hwTimerId,
   // Count frequency using internal timer.
   // mTriggerPin == 0 means we're using internal timer.
   mTriggerPin = 0;
-  mTimer = timerBegin(hwTimerId, 80, true);
-  timerAttachInterrupt(mTimer, &onTimer, true);
-  timerAlarmWrite(mTimer, timerMs * 1000, true);
+  // Set timer frequency to 1Mhz
+  mTimer = timerBegin(1000000);
+  timerAttachInterrupt(mTimer, &onTimer);
+  timerAlarm(mTimer, timerMs * 1000, true, 0);
 
   _begin(freqPin, freqPinIOMode);
 }
@@ -169,9 +172,9 @@ void _FreqCountESP::end()
   detachInterrupt(mPin);
 #endif
   if(mTriggerPin == 0) {
-    timerAlarmDisable(mTimer);
     timerDetachInterrupt(mTimer);
     timerEnd(mTimer);
+    timer = NULL;
   } else {
     detachInterrupt(digitalPinToInterrupt(mTriggerPin));
   }

From 7e49542c6146ff4a66f0b73f28f29d162a596218 Mon Sep 17 00:00:00 2001
From: adiat <ali.mshr@gmail.com>
Date: Tue, 17 Dec 2024 09:06:35 +0330
Subject: [PATCH 2/3] Update FreqCountESP.cpp

---
 src/FreqCountESP.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/FreqCountESP.cpp b/src/FreqCountESP.cpp
index d3be038..1c34eab 100644
--- a/src/FreqCountESP.cpp
+++ b/src/FreqCountESP.cpp
@@ -174,7 +174,7 @@ void _FreqCountESP::end()
   if(mTriggerPin == 0) {
     timerDetachInterrupt(mTimer);
     timerEnd(mTimer);
-    timer = NULL;
+    mtimer = NULL;
   } else {
     detachInterrupt(digitalPinToInterrupt(mTriggerPin));
   }

From 3c80270167968fad8750f3d30f31f43a68136b38 Mon Sep 17 00:00:00 2001
From: adiat <ali.mshr@gmail.com>
Date: Tue, 17 Dec 2024 09:08:16 +0330
Subject: [PATCH 3/3] Update FreqCountESP.cpp

---
 src/FreqCountESP.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/FreqCountESP.cpp b/src/FreqCountESP.cpp
index 1c34eab..cdeeefc 100644
--- a/src/FreqCountESP.cpp
+++ b/src/FreqCountESP.cpp
@@ -174,7 +174,7 @@ void _FreqCountESP::end()
   if(mTriggerPin == 0) {
     timerDetachInterrupt(mTimer);
     timerEnd(mTimer);
-    mtimer = NULL;
+    mTimer = NULL;
   } else {
     detachInterrupt(digitalPinToInterrupt(mTriggerPin));
   }