From c27aef0ed6638a635d92fcb97412dbd3e65e8c31 Mon Sep 17 00:00:00 2001
From: Paulo Costa <me@paulo.costa.nom.br>
Date: Fri, 4 Jan 2019 15:41:14 -0200
Subject: Remove commented out code for I2C interrupts on WInterrupts.c

These are currently implemented by the Wire library, on twi.c
---
 cores/arduino/WInterrupts.c | 14 --------------
 1 file changed, 14 deletions(-)

(limited to 'cores/arduino/WInterrupts.c')

diff --git a/cores/arduino/WInterrupts.c b/cores/arduino/WInterrupts.c
index cef1106..ac72dda 100644
--- a/cores/arduino/WInterrupts.c
+++ b/cores/arduino/WInterrupts.c
@@ -65,7 +65,6 @@ static volatile voidFuncPtr intFunc[EXTERNAL_NUM_INTERRUPTS] = {
     nothing,
 #endif
 };
-// volatile static voidFuncPtr twiIntFunc;
 
 void attachInterrupt(uint8_t interruptNum, void (*userFunc)(void), int mode) {
   if(interruptNum < EXTERNAL_NUM_INTERRUPTS) {
@@ -274,11 +273,6 @@ void detachInterrupt(uint8_t interruptNum) {
   }
 }
 
-/*
-void attachInterruptTwi(void (*userFunc)(void) ) {
-  twiIntFunc = userFunc;
-}
-*/
 
 #define IMPLEMENT_ISR(vect, interrupt) \
   ISR(vect) { \
@@ -314,11 +308,3 @@ IMPLEMENT_ISR(INT2_vect, EXTERNAL_INT_2)
 #endif
 
 #endif
-
-/*
-ISR(TWI_vect) {
-  if(twiIntFunc)
-    twiIntFunc();
-}
-*/
-
-- 
cgit v1.2.3-18-g5258


From c8d6aef6d9331af1ec8dea6f78b4e43174cdb55d Mon Sep 17 00:00:00 2001
From: Manuel Reimer <manuel.reimer@gmx.de>
Date: Wed, 25 Sep 2019 10:06:30 +0200
Subject: Interrupt ordering for 32u2 and 16u2 MCU (#66)

* Interrupt ordering for 32u2 and 16u2 MCU
* Added missing chip variants
---
 cores/arduino/WInterrupts.c | 71 ++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 70 insertions(+), 1 deletion(-)

(limited to 'cores/arduino/WInterrupts.c')

diff --git a/cores/arduino/WInterrupts.c b/cores/arduino/WInterrupts.c
index ac72dda..38ea158 100644
--- a/cores/arduino/WInterrupts.c
+++ b/cores/arduino/WInterrupts.c
@@ -102,6 +102,39 @@ void attachInterrupt(uint8_t interruptNum, void (*userFunc)(void), int mode) {
         EICRB = (EICRB & ~((1<<ISC60) | (1<<ISC61))) | (mode << ISC60);
         EIMSK |= (1<<INT6);
         break;
+#elif defined(__AVR_AT90USB82__) || defined(__AVR_AT90USB162__) || defined(__AVR_ATmega32U2__) || defined(__AVR_ATmega16U2__) || defined(__AVR_ATmega8U2__)
+    case 0:
+      EICRA = (EICRA & ~((1 << ISC00) | (1 << ISC01))) | (mode << ISC00);
+      EIMSK |= (1 << INT0);
+      break;
+    case 1:
+      EICRA = (EICRA & ~((1 << ISC10) | (1 << ISC11))) | (mode << ISC10);
+      EIMSK |= (1 << INT1);
+      break;
+    case 2:
+      EICRA = (EICRA & ~((1 << ISC20) | (1 << ISC21))) | (mode << ISC20);
+      EIMSK |= (1 << INT2);
+      break;
+    case 3:
+      EICRA = (EICRA & ~((1 << ISC30) | (1 << ISC31))) | (mode << ISC30);
+      EIMSK |= (1 << INT3);
+      break;
+    case 4:
+      EICRB = (EICRB & ~((1 << ISC40) | (1 << ISC41))) | (mode << ISC40);
+      EIMSK |= (1 << INT4);
+      break;
+    case 5:
+      EICRB = (EICRB & ~((1 << ISC50) | (1 << ISC51))) | (mode << ISC50);
+      EIMSK |= (1 << INT5);
+      break;
+    case 6:
+      EICRB = (EICRB & ~((1 << ISC60) | (1 << ISC61))) | (mode << ISC60);
+      EIMSK |= (1 << INT6);
+      break;
+    case 7:
+      EICRB = (EICRB & ~((1 << ISC70) | (1 << ISC71))) | (mode << ISC70);
+      EIMSK |= (1 << INT7);
+      break;
 #elif defined(EICRA) && defined(EICRB) && defined(EIMSK)
     case 2:
       EICRA = (EICRA & ~((1 << ISC00) | (1 << ISC01))) | (mode << ISC00);
@@ -204,7 +237,32 @@ void detachInterrupt(uint8_t interruptNum) {
         break;	
     case 4:
         EIMSK &= ~(1<<INT6);
-        break;	
+        break;
+#elif defined(__AVR_AT90USB82__) || defined(__AVR_AT90USB162__) || defined(__AVR_ATmega32U2__) || defined(__AVR_ATmega16U2__) || defined(__AVR_ATmega8U2__)
+    case 0:
+      EIMSK &= ~(1 << INT0);
+      break;
+    case 1:
+      EIMSK &= ~(1 << INT1);
+      break;
+    case 2:
+      EIMSK &= ~(1 << INT2);
+      break;
+    case 3:
+      EIMSK &= ~(1 << INT3);
+      break;
+    case 4:
+      EIMSK &= ~(1 << INT4);
+      break;
+    case 5:
+      EIMSK &= ~(1 << INT5);
+      break;
+    case 6:
+      EIMSK &= ~(1 << INT6);
+      break;
+    case 7:
+      EIMSK &= ~(1 << INT7);
+      break;
 #elif defined(EICRA) && defined(EICRB) && defined(EIMSK)
     case 2:
       EIMSK &= ~(1 << INT0);
@@ -287,6 +345,17 @@ IMPLEMENT_ISR(INT2_vect, EXTERNAL_INT_2)
 IMPLEMENT_ISR(INT3_vect, EXTERNAL_INT_3)
 IMPLEMENT_ISR(INT6_vect, EXTERNAL_INT_4)
 
+#elif defined(__AVR_AT90USB82__) || defined(__AVR_AT90USB162__) || defined(__AVR_ATmega32U2__) || defined(__AVR_ATmega16U2__) || defined(__AVR_ATmega8U2__)
+
+IMPLEMENT_ISR(INT0_vect, EXTERNAL_INT_0)
+IMPLEMENT_ISR(INT1_vect, EXTERNAL_INT_1)
+IMPLEMENT_ISR(INT2_vect, EXTERNAL_INT_2)
+IMPLEMENT_ISR(INT3_vect, EXTERNAL_INT_3)
+IMPLEMENT_ISR(INT4_vect, EXTERNAL_INT_4)
+IMPLEMENT_ISR(INT5_vect, EXTERNAL_INT_5)
+IMPLEMENT_ISR(INT6_vect, EXTERNAL_INT_6)
+IMPLEMENT_ISR(INT7_vect, EXTERNAL_INT_7)
+
 #elif defined(EICRA) && defined(EICRB)
 
 IMPLEMENT_ISR(INT0_vect, EXTERNAL_INT_2)
-- 
cgit v1.2.3-18-g5258