From 093943c89b4bf9fa5eb13804cc8a780f17a83068 Mon Sep 17 00:00:00 2001
From: RoryHemmings <roryhemmings@ucla.edu>
Date: Tue, 3 Dec 2024 18:02:19 -0800
Subject: [PATCH] Allows compilation targeting esp8266

Note that `CAN.onReceive` will not work when using esp8266 as it
doesn't support the nessecary interrupt functionality.
---
 src/MCP2515.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/MCP2515.cpp b/src/MCP2515.cpp
index 36c160d..d363750 100644
--- a/src/MCP2515.cpp
+++ b/src/MCP2515.cpp
@@ -267,7 +267,9 @@ void MCP2515Class::onReceive(void(*callback)(int))
   pinMode(_intPin, INPUT);
 
   if (callback) {
+    #ifndef ARDUINO_ARCH_ESP8266
     SPI.usingInterrupt(digitalPinToInterrupt(_intPin));
+    #endif
     attachInterrupt(digitalPinToInterrupt(_intPin), MCP2515Class::onInterrupt, LOW);
   } else {
     detachInterrupt(digitalPinToInterrupt(_intPin));