From 002762bf80e389a87e1eec86eac7fa4a35536dd2 Mon Sep 17 00:00:00 2001
From: KLASSENTS <klassen@elron.tech>
Date: Fri, 31 Jan 2025 11:54:11 +0700
Subject: [PATCH] =?UTF-8?q?=D0=B4=D0=BE=D0=B1=D0=B0=D0=B2=D0=B8=D0=BB?=
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---
 cores/arduino/WInterrupts.c | 9 +++++++++
 cores/arduino/WInterrupts.h | 2 ++
 cores/arduino/board.cpp     | 4 ++--
 3 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/cores/arduino/WInterrupts.c b/cores/arduino/WInterrupts.c
index 6b4783f..0f63b22 100644
--- a/cores/arduino/WInterrupts.c
+++ b/cores/arduino/WInterrupts.c
@@ -6,6 +6,9 @@
 #include "WInterrupts.h"
 #include "wiring_LL.h" 
 
+// interrupts are enabled by default after setup()
+static bool intIsEnabled = true;
+
 typedef void (*voidFuncPtr)(void);
 
 // empty irq handler
@@ -18,14 +21,20 @@ static void nothing(void)
 void interrupts(void)
 {
   GLOBAL_IRQ_ENABLE();
+  intIsEnabled = true;
 }
 
 // disable global interrupts
 void noInterrupts(void)
 {
   GLOBAL_IRQ_DISABLE();
+  intIsEnabled = false;
 }
 
+bool isInterruptsEnabled(void)
+{
+  return intIsEnabled;
+}
 // we can provide no more than 8 interrupts on gpio at the same time
 static volatile voidFuncPtr intFunc[EXTERNAL_INTERRUPTS_QTY] = 
 {
diff --git a/cores/arduino/WInterrupts.h b/cores/arduino/WInterrupts.h
index 4bab44e..50b3b9b 100644
--- a/cores/arduino/WInterrupts.h
+++ b/cores/arduino/WInterrupts.h
@@ -6,10 +6,12 @@ extern "C" {
 #endif
 
 #include <stdint.h>
+#include "stdbool.h"
 
 // enable/disable interrupts
 void interrupts(void);
 void noInterrupts(void);
+bool isInterruptsEnabled(void);
 
 // attach/detach interrupt to pin
 void attachInterrupt(uint8_t interruptNum, void (*userFunc)(void), int mode);
diff --git a/cores/arduino/board.cpp b/cores/arduino/board.cpp
index da0f39b..591676c 100644
--- a/cores/arduino/board.cpp
+++ b/cores/arduino/board.cpp
@@ -25,8 +25,8 @@ extern "C" void SystemInit(void)
 // called after setup()
 void post_init(void)
 {
-    // enable global interrupts by default
-    interrupts();
+    if(isInterruptsEnabled()) // if user has called noInterrupts() in setup(), this value is false
+        interrupts(); // enable global interrupts
 }
 
 // --------------------- other --------------------- //