From 563f69b870a7f71026c50605b531ed40d667b0a2 Mon Sep 17 00:00:00 2001
From: HampusM <hampus@hampusmat.com>
Date: Mon, 7 Mar 2022 13:48:57 +0100
Subject: rename arduino core dir to xinput

---
 cores/xinput/WInterrupts.c | 379 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 379 insertions(+)
 create mode 100644 cores/xinput/WInterrupts.c

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

diff --git a/cores/xinput/WInterrupts.c b/cores/xinput/WInterrupts.c
new file mode 100644
index 0000000..38ea158
--- /dev/null
+++ b/cores/xinput/WInterrupts.c
@@ -0,0 +1,379 @@
+/* -*- mode: jde; c-basic-offset: 2; indent-tabs-mode: nil -*- */
+
+/*
+  Part of the Wiring project - http://wiring.uniandes.edu.co
+
+  Copyright (c) 2004-05 Hernando Barragan
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General
+  Public License along with this library; if not, write to the
+  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+  Boston, MA  02111-1307  USA
+  
+  Modified 24 November 2006 by David A. Mellis
+  Modified 1 August 2010 by Mark Sproul
+*/
+
+#include <inttypes.h>
+#include <avr/io.h>
+#include <avr/interrupt.h>
+#include <avr/pgmspace.h>
+#include <stdio.h>
+
+#include "wiring_private.h"
+
+static void nothing(void) {
+}
+
+static volatile voidFuncPtr intFunc[EXTERNAL_NUM_INTERRUPTS] = {
+#if EXTERNAL_NUM_INTERRUPTS > 8
+    #warning There are more than 8 external interrupts. Some callbacks may not be initialized.
+    nothing,
+#endif
+#if EXTERNAL_NUM_INTERRUPTS > 7
+    nothing,
+#endif
+#if EXTERNAL_NUM_INTERRUPTS > 6
+    nothing,
+#endif
+#if EXTERNAL_NUM_INTERRUPTS > 5
+    nothing,
+#endif
+#if EXTERNAL_NUM_INTERRUPTS > 4
+    nothing,
+#endif
+#if EXTERNAL_NUM_INTERRUPTS > 3
+    nothing,
+#endif
+#if EXTERNAL_NUM_INTERRUPTS > 2
+    nothing,
+#endif
+#if EXTERNAL_NUM_INTERRUPTS > 1
+    nothing,
+#endif
+#if EXTERNAL_NUM_INTERRUPTS > 0
+    nothing,
+#endif
+};
+
+void attachInterrupt(uint8_t interruptNum, void (*userFunc)(void), int mode) {
+  if(interruptNum < EXTERNAL_NUM_INTERRUPTS) {
+    intFunc[interruptNum] = userFunc;
+    
+    // Configure the interrupt mode (trigger on low input, any change, rising
+    // edge, or falling edge).  The mode constants were chosen to correspond
+    // to the configuration bits in the hardware register, so we simply shift
+    // the mode into place.
+      
+    // Enable the interrupt.
+      
+    switch (interruptNum) {
+#if defined(__AVR_ATmega32U4__)
+	// I hate doing this, but the register assignment differs between the 1280/2560
+	// and the 32U4.  Since avrlib defines registers PCMSK1 and PCMSK2 that aren't 
+	// even present on the 32U4 this is the only way to distinguish between them.
+    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<<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);
+      EIMSK |= (1 << INT0);
+      break;
+    case 3:
+      EICRA = (EICRA & ~((1 << ISC10) | (1 << ISC11))) | (mode << ISC10);
+      EIMSK |= (1 << INT1);
+      break;
+    case 4:
+      EICRA = (EICRA & ~((1 << ISC20) | (1 << ISC21))) | (mode << ISC20);
+      EIMSK |= (1 << INT2);
+      break;
+    case 5:
+      EICRA = (EICRA & ~((1 << ISC30) | (1 << ISC31))) | (mode << ISC30);
+      EIMSK |= (1 << INT3);
+      break;
+    case 0:
+      EICRB = (EICRB & ~((1 << ISC40) | (1 << ISC41))) | (mode << ISC40);
+      EIMSK |= (1 << INT4);
+      break;
+    case 1:
+      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;
+#else		
+    case 0:
+    #if defined(EICRA) && defined(ISC00) && defined(EIMSK)
+      EICRA = (EICRA & ~((1 << ISC00) | (1 << ISC01))) | (mode << ISC00);
+      EIMSK |= (1 << INT0);
+    #elif defined(MCUCR) && defined(ISC00) && defined(GICR)
+      MCUCR = (MCUCR & ~((1 << ISC00) | (1 << ISC01))) | (mode << ISC00);
+      GICR |= (1 << INT0);
+    #elif defined(MCUCR) && defined(ISC00) && defined(GIMSK)
+      MCUCR = (MCUCR & ~((1 << ISC00) | (1 << ISC01))) | (mode << ISC00);
+      GIMSK |= (1 << INT0);
+    #else
+      #error attachInterrupt not finished for this CPU (case 0)
+    #endif
+      break;
+
+    case 1:
+    #if defined(EICRA) && defined(ISC10) && defined(ISC11) && defined(EIMSK)
+      EICRA = (EICRA & ~((1 << ISC10) | (1 << ISC11))) | (mode << ISC10);
+      EIMSK |= (1 << INT1);
+    #elif defined(MCUCR) && defined(ISC10) && defined(ISC11) && defined(GICR)
+      MCUCR = (MCUCR & ~((1 << ISC10) | (1 << ISC11))) | (mode << ISC10);
+      GICR |= (1 << INT1);
+    #elif defined(MCUCR) && defined(ISC10) && defined(GIMSK) && defined(GIMSK)
+      MCUCR = (MCUCR & ~((1 << ISC10) | (1 << ISC11))) | (mode << ISC10);
+      GIMSK |= (1 << INT1);
+    #else
+      #warning attachInterrupt may need some more work for this cpu (case 1)
+    #endif
+      break;
+    
+    case 2:
+    #if defined(EICRA) && defined(ISC20) && defined(ISC21) && defined(EIMSK)
+      EICRA = (EICRA & ~((1 << ISC20) | (1 << ISC21))) | (mode << ISC20);
+      EIMSK |= (1 << INT2);
+    #elif defined(MCUCR) && defined(ISC20) && defined(ISC21) && defined(GICR)
+      MCUCR = (MCUCR & ~((1 << ISC20) | (1 << ISC21))) | (mode << ISC20);
+      GICR |= (1 << INT2);
+    #elif defined(MCUCR) && defined(ISC20) && defined(GIMSK) && defined(GIMSK)
+      MCUCR = (MCUCR & ~((1 << ISC20) | (1 << ISC21))) | (mode << ISC20);
+      GIMSK |= (1 << INT2);
+    #endif
+      break;
+#endif
+    }
+  }
+}
+
+void detachInterrupt(uint8_t interruptNum) {
+  if(interruptNum < EXTERNAL_NUM_INTERRUPTS) {
+    // Disable the interrupt.  (We can't assume that interruptNum is equal
+    // to the number of the EIMSK bit to clear, as this isn't true on the 
+    // ATmega8.  There, INT0 is 6 and INT1 is 7.)
+    switch (interruptNum) {
+#if defined(__AVR_ATmega32U4__)
+    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<<INT6);
+        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);
+      break;
+    case 3:
+      EIMSK &= ~(1 << INT1);
+      break;
+    case 4:
+      EIMSK &= ~(1 << INT2);
+      break;
+    case 5:
+      EIMSK &= ~(1 << INT3);
+      break;
+    case 0:
+      EIMSK &= ~(1 << INT4);
+      break;
+    case 1:
+      EIMSK &= ~(1 << INT5);
+      break;
+    case 6:
+      EIMSK &= ~(1 << INT6);
+      break;
+    case 7:
+      EIMSK &= ~(1 << INT7);
+      break;
+#else
+    case 0:
+    #if defined(EIMSK) && defined(INT0)
+      EIMSK &= ~(1 << INT0);
+    #elif defined(GICR) && defined(ISC00)
+      GICR &= ~(1 << INT0); // atmega32
+    #elif defined(GIMSK) && defined(INT0)
+      GIMSK &= ~(1 << INT0);
+    #else
+      #error detachInterrupt not finished for this cpu
+    #endif
+      break;
+
+    case 1:
+    #if defined(EIMSK) && defined(INT1)
+      EIMSK &= ~(1 << INT1);
+    #elif defined(GICR) && defined(INT1)
+      GICR &= ~(1 << INT1); // atmega32
+    #elif defined(GIMSK) && defined(INT1)
+      GIMSK &= ~(1 << INT1);
+    #else
+      #warning detachInterrupt may need some more work for this cpu (case 1)
+    #endif
+      break;
+      
+    case 2:
+    #if defined(EIMSK) && defined(INT2)
+      EIMSK &= ~(1 << INT2);
+    #elif defined(GICR) && defined(INT2)
+      GICR &= ~(1 << INT2); // atmega32
+    #elif defined(GIMSK) && defined(INT2)
+      GIMSK &= ~(1 << INT2);
+    #elif defined(INT2)
+      #warning detachInterrupt may need some more work for this cpu (case 2)
+    #endif
+      break;       
+#endif
+    }
+      
+    intFunc[interruptNum] = nothing;
+  }
+}
+
+
+#define IMPLEMENT_ISR(vect, interrupt) \
+  ISR(vect) { \
+    intFunc[interrupt](); \
+  }
+
+#if defined(__AVR_ATmega32U4__)
+
+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(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)
+IMPLEMENT_ISR(INT1_vect, EXTERNAL_INT_3)
+IMPLEMENT_ISR(INT2_vect, EXTERNAL_INT_4)
+IMPLEMENT_ISR(INT3_vect, EXTERNAL_INT_5)
+IMPLEMENT_ISR(INT4_vect, EXTERNAL_INT_0)
+IMPLEMENT_ISR(INT5_vect, EXTERNAL_INT_1)
+IMPLEMENT_ISR(INT6_vect, EXTERNAL_INT_6)
+IMPLEMENT_ISR(INT7_vect, EXTERNAL_INT_7)
+
+#else
+
+IMPLEMENT_ISR(INT0_vect, EXTERNAL_INT_0)
+IMPLEMENT_ISR(INT1_vect, EXTERNAL_INT_1)
+
+#if defined(EICRA) && defined(ISC20)
+IMPLEMENT_ISR(INT2_vect, EXTERNAL_INT_2)
+#endif
+
+#endif
-- 
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