Implement more fastio_Due macros (#11165)

.travis.yml

   - export TEST_PLATFORM="-e DUE"
   - restore_configs
   - opt_set MOTHERBOARD BOARD_RAMPS4DUE_EFB
-  - opt_set S_CURVE_ACCELERATION
+  - opt_enable S_CURVE_ACCELERATION
+  - opt_set E0_AUTO_FAN_PIN 8
+  - opt_set EXTRUDER_AUTO_FAN_SPEED 100
   - update_defaults
   - build_marlin_pio ${TRAVIS_BUILD_DIR} ${TEST_PLATFORM}
 

Marlin/src/HAL/HAL_DUE/fastio_Due.h

 #ifndef _FASTIO_DUE_H
 #define _FASTIO_DUE_H
 
+#include <pins_arduino.h>
+
 /**
  * Utility functions
  */
 
 // Write to a pin
 #define _WRITE_VAR(IO,V) do { \
-  volatile Pio* port = g_APinDescription[IO].pPort; \
+  volatile Pio* port = digitalPinToPort(IO); \
   uint32_t mask = g_APinDescription[IO].ulPin; \
   if (V) port->PIO_SODR = mask; \
   else port->PIO_CODR = mask; \
 // Set pin as input
 #define _SET_INPUT(IO) do{ \
   pmc_enable_periph_clk(g_APinDescription[IO].ulPeripheralId); \
-  PIO_Configure(g_APinDescription[IO].pPort, PIO_INPUT, g_APinDescription[IO].ulPin, 0); \
+  PIO_Configure(g_APinDescription[IO].pPort, PIO_INPUT, digitalPinToBitMask(IO), 0); \
 }while(0)
 
 // Set pin as output
 #define _SET_OUTPUT(IO) do{ \
   pmc_enable_periph_clk(g_APinDescription[IO].ulPeripheralId); \
-  PIO_Configure(g_APinDescription[IO].pPort, _READ(IO) ? PIO_OUTPUT_1 : PIO_OUTPUT_0, g_APinDescription[IO].ulPin, g_APinDescription[IO].ulPinConfiguration); \
+  PIO_Configure(g_APinDescription[IO].pPort, _READ(IO) ? PIO_OUTPUT_1 : PIO_OUTPUT_0, digitalPinToBitMask(IO), g_APinDescription[IO].ulPinConfiguration); \
   g_pinStatus[IO] = (g_pinStatus[IO] & 0xF0) | PIN_STATUS_DIGITAL_OUTPUT;\
 }while(0)
 
 // Set pin as input with pullup mode
 #define _PULLUP(IO,V) pinMode(IO, (V) ? INPUT_PULLUP : INPUT)
 
-// Check if pin is an input
-#define _GET_INPUT(IO)
-// Check if pin is an output
-#define _GET_OUTPUT(IO)
-// Check if pin is a timer
-#define _GET_TIMER(IO)
-
 // Read a pin (wrapper)
 #define READ(IO) _READ(IO)
 
 #define SET_INPUT_PULLUP(IO) do{ _SET_INPUT(IO); _PULLUP(IO, HIGH); }while(0)
 // Set pin as output (wrapper) -  reads the pin and sets the output to that value
 #define SET_OUTPUT(IO) _SET_OUTPUT(IO)
-// Check if pin is an input (wrapper)
-#define GET_INPUT(IO) _GET_INPUT(IO)
-// Check if pin is an output (wrapper)
-#define GET_OUTPUT(IO) _GET_OUTPUT(IO)
 
-// Check if pin is a timer (wrapper)
-#define GET_TIMER(IO) _GET_TIMER(IO)
+// Check if pin is an input
+#define GET_INPUT(IO) !(digitalPinToPort(IO)->PIO_OSR & digitalPinToBitMask(IO))
+// Check if pin is an output
+#define GET_OUTPUT(IO) !!(digitalPinToPort(IO)->PIO_OSR & digitalPinToBitMask(IO))
+// Check if pin is a timer
+#define GET_TIMER(IO) ( \
+     (g_APinDescription[IO].ulPinAttribute & PIN_ATTR_TIMER) == PIN_ATTR_TIMER \
+  || (g_APinDescription[IO].ulPinAttribute & PIN_ATTR_PWM) == PIN_ATTR_PWM \
+)
 
 // Shorthand
 #define OUT_WRITE(IO,V) { SET_OUTPUT(IO); WRITE(IO,V); }