Upgraded variant compliance to 1.6.6 for MKRZero board

variants/mkrzero/variant.cpp

@@ -153,7 +153,7 @@ const PinDescription g_APinDescription[] = {
   
   { PORTA, 28, PIO_DIGITAL,    (PIN_ATTR_NONE                                ), No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE },
   { PORTB,  8, PIO_DIGITAL,    (PIN_ATTR_NONE                                ), No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE },
-  { PORTB,  9, PIO_ANALOG, (PIN_ATTR_PWM|PIN_ATTR_TIMER), ADC_Channel3, PWM4_CH1, TC4_CH1, EXTERNAL_INT_9 },
+  { PORTB,  9, PIO_ANALOG,     (PIN_ATTR_PWM|PIN_ATTR_TIMER                  ), ADC_Channel3,   PWM4_CH1,   TC4_CH1,      EXTERNAL_INT_9    },
 
   { PORTA,  0, PIO_DIGITAL,    (PIN_ATTR_NONE                                ), No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE },
   { PORTA,  1, PIO_DIGITAL,    (PIN_ATTR_NONE                                ), No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE },

variants/mkrzero/variant.h

@@ -18,8 +18,8 @@
 
 #pragma once
 
-// The definitions here needs a SAMD core >=1.6.3
-#define ARDUINO_SAMD_VARIANT_COMPLIANCE 10603
+// The definitions here needs a SAMD core >=1.6.6
+#define ARDUINO_SAMD_VARIANT_COMPLIANCE 10606
 
 #include <WVariant.h>
 
@@ -50,7 +50,6 @@
 #define portInputRegister(port)  (&(port->IN.reg))
 #define portModeRegister(port)   (&(port->DIR.reg))
 #define digitalPinHasPWM(P)      (g_APinDescription[P].ulPWMChannel != NOT_ON_PWM || g_APinDescription[P].ulTCChannel != NOT_ON_TIMER)
-#define digitalPinToInterrupt(P) (g_APinDescription[P].ulExtInt)
 
 /*
  * digitalPinToTimer(..) is AVR-specific and is not defined for SAMD