Improved performances. Now 1.5 slower than digitalWrite

Author: agdl

cores/arduino/UNO_compat.cpp

@@ -1,57 +1,9 @@
 #include "UNO_compat.h"
 
-/*
-  ARDUINO PIN  ATMEGA 328  ATMEGA 4809
-  0         PD0         PC5
-  1         PD1         PC4
-  2         PD2         PA0
-  3         PD3         PF5
-  4         PD4         PC6
-  5         PD5         PB2
-  6         PD6         PF4
-  7         PD7         PA1
-  8         PB0       PE3
-  9         PB1       PB0
-  10          PB2       PB1
-  11          PB3       PE0
-  12          PB4       PE1
-  13          PB5       PE2
-  A0          PC0       PD0
-  A1          PC1       PD1
-  A2          PC2       PD2
-  A3          PC3       PD3
-  A4          PC4       PD4
-  A5          PC5       PD5
-*/
+PORTBClass PORTB;
+PORTCClass PORTC;
+PORTDClass PORTD;
 
-pinPort mapping[20] = {
-  {&PORTC_ARDUINO, 5},
-  {&PORTC_ARDUINO, 4},
-  {&PORTA_ARDUINO, 0},
-  {&PORTF_ARDUINO, 5},
-  {&PORTC_ARDUINO, 6},
-  {&PORTB_ARDUINO, 2},
-  {&PORTF_ARDUINO, 4},
-  {&PORTA_ARDUINO, 1},
-  {&PORTE_ARDUINO, 3},
-  {&PORTB_ARDUINO, 0},
-  {&PORTB_ARDUINO, 1},
-  {&PORTE_ARDUINO, 0},
-  {&PORTE_ARDUINO, 1},
-  {&PORTE_ARDUINO, 2},
-  {&PORTD_ARDUINO, 0},
-  {&PORTD_ARDUINO, 1},
-  {&PORTD_ARDUINO, 2},
-  {&PORTD_ARDUINO, 3},
-  {&PORTD_ARDUINO, 4},
-  {&PORTD_ARDUINO, 5},
-};
-
-
-PORTClass PORTB(PORTB_OFFSET, 6, mapping);
-PORTClass PORTC(PORTC_OFFSET, 6, mapping);
-PORTClass PORTD(PORTD_OFFSET, 8, mapping);
-
-DDRClass DDRB(PORTB_OFFSET, 6, mapping);
-DDRClass DDRC(PORTC_OFFSET, 6, mapping);
-DDRClass DDRD(PORTD_OFFSET, 8, mapping);
+DDRBClass DDRB;
+DDRCClass DDRC;
+DDRDClass DDRD;