420 lines
20 KiB
C
420 lines
20 KiB
C
/*
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* digitalWriteFast.h
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*
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* Optimized digital functions for AVR microcontrollers
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* by Watterott electronic (www.watterott.com)
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* based on https://code.google.com/p/digitalwritefast
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*
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* License: BSD 3-Clause License (https://opensource.org/licenses/BSD-3-Clause)
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*/
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#ifndef __digitalWriteFast_h_
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#define __digitalWriteFast_h_ 1
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//#define SANGUINO_PINOUT // define for Sanguino pinout
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// general macros/defines
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#if !defined(BIT_READ)
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# define BIT_READ(value, bit) ((value) & (1UL << (bit)))
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#endif
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#if !defined(BIT_SET)
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# define BIT_SET(value, bit) ((value) |= (1UL << (bit)))
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#endif
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#if !defined(BIT_CLEAR)
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# define BIT_CLEAR(value, bit) ((value) &= ~(1UL << (bit)))
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#endif
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#if !defined(BIT_WRITE)
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# define BIT_WRITE(value, bit, bitvalue) (bitvalue ? BIT_SET(value, bit) : BIT_CLEAR(value, bit))
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#endif
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#include <Arduino.h> // declarations for the fallback to digitalWrite(), digitalRead() etc.
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// --- Arduino Mega and ATmega128x/256x based boards ---
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#if (defined(ARDUINO_AVR_MEGA) || \
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defined(ARDUINO_AVR_MEGA1280) || \
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defined(ARDUINO_AVR_MEGA2560) || \
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defined(__AVR_ATmega1280__) || \
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defined(__AVR_ATmega1281__) || \
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defined(__AVR_ATmega2560__) || \
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defined(__AVR_ATmega2561__))
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#define __digitalPinToPortReg(P) \
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(((P) >= 22 && (P) <= 29) ? &PORTA : \
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((((P) >= 10 && (P) <= 13) || ((P) >= 50 && (P) <= 53)) ? &PORTB : \
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(((P) >= 30 && (P) <= 37) ? &PORTC : \
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((((P) >= 18 && (P) <= 21) || (P) == 38) ? &PORTD : \
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((((P) <= 3) || (P) == 5) ? &PORTE : \
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(((P) >= 54 && (P) <= 61) ? &PORTF : \
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((((P) >= 39 && (P) <= 41) || (P) == 4) ? &PORTG : \
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((((P) >= 6 && (P) <= 9) || (P) == 16 || (P) == 17) ? &PORTH : \
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(((P) == 14 || (P) == 15) ? &PORTJ : \
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(((P) >= 62 && (P) <= 69) ? &PORTK : &PORTL))))))))))
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#define __digitalPinToDDRReg(P) \
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(((P) >= 22 && (P) <= 29) ? &DDRA : \
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((((P) >= 10 && (P) <= 13) || ((P) >= 50 && (P) <= 53)) ? &DDRB : \
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(((P) >= 30 && (P) <= 37) ? &DDRC : \
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((((P) >= 18 && (P) <= 21) || (P) == 38) ? &DDRD : \
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((((P) <= 3) || (P) == 5) ? &DDRE : \
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(((P) >= 54 && (P) <= 61) ? &DDRF : \
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((((P) >= 39 && (P) <= 41) || (P) == 4) ? &DDRG : \
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((((P) >= 6 && (P) <= 9) || (P) == 16 || (P) == 17) ? &DDRH : \
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(((P) == 14 || (P) == 15) ? &DDRJ : \
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(((P) >= 62 && (P) <= 69) ? &DDRK : &DDRL))))))))))
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#define __digitalPinToPINReg(P) \
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(((P) >= 22 && (P) <= 29) ? &PINA : \
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((((P) >= 10 && (P) <= 13) || ((P) >= 50 && (P) <= 53)) ? &PINB : \
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(((P) >= 30 && (P) <= 37) ? &PINC : \
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((((P) >= 18 && (P) <= 21) || (P) == 38) ? &PIND : \
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((((P) <= 3) || (P) == 5) ? &PINE : \
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(((P) >= 54 && (P) <= 61) ? &PINF : \
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((((P) >= 39 && (P) <= 41) || (P) == 4) ? &PING : \
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((((P) >= 6 && (P) <= 9) || (P) == 16 || (P) == 17) ? &PINH : \
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(((P) == 14 || (P) == 15) ? &PINJ : \
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(((P) >= 62 && (P) <= 69) ? &PINK : &PINL))))))))))
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#define __digitalPinToBit(P) \
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(((P) >= 7 && (P) <= 9) ? (P) - 3 : \
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(((P) >= 10 && (P) <= 13) ? (P) - 6 : \
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(((P) >= 22 && (P) <= 29) ? (P) - 22 : \
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(((P) >= 30 && (P) <= 37) ? 37 - (P) : \
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(((P) >= 39 && (P) <= 41) ? 41 - (P) : \
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(((P) >= 42 && (P) <= 49) ? 49 - (P) : \
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(((P) >= 50 && (P) <= 53) ? 53 - (P) : \
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(((P) >= 54 && (P) <= 61) ? (P) - 54 : \
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(((P) >= 62 && (P) <= 69) ? (P) - 62 : \
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(((P) == 0 || (P) == 15 || (P) == 17 || (P) == 21) ? 0 : \
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(((P) == 1 || (P) == 14 || (P) == 16 || (P) == 20) ? 1 : \
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(((P) == 19) ? 2 : \
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(((P) == 5 || (P) == 6 || (P) == 18) ? 3 : \
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(((P) == 2) ? 4 : \
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(((P) == 3 || (P) == 4) ? 5 : 7)))))))))))))))
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// --- Arduino MightyCore standard pinout ---
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#elif (defined(__AVR_ATmega1284P__) || \
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defined(__AVR_ATmega1284__) || \
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defined(__AVR_ATmega644P__) || \
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defined(__AVR_ATmega644A__) || \
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defined(__AVR_ATmega644__) || \
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defined(__AVR_ATmega324PB__) || \
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defined(__AVR_ATmega324PA__) || \
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defined(__AVR_ATmega324P__) || \
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defined(__AVR_ATmega324A__) || \
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defined(__AVR_ATmega164P__) || \
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defined(__AVR_ATmega164A__) || \
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defined(__AVR_ATmega32__) || \
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defined(__AVR_ATmega16__) || \
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defined(__AVR_ATmega8535__)) && \
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!defined(BOBUINO_PINOUT)
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#if defined(__AVR_ATmega324PB__)
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#define __digitalPinToPortReg(P) \
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(((P) <= 7) ? &PORTB : (((P) >= 8 && (P) <= 15) ? &PORTD : (((P) >= 16 && (P) <= 23) ? &PORTC : (((P) >= 24 && (P) <= 31) ? &PORTA : &PORTE))))
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#define __digitalPinToDDRReg(P) \
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(((P) <= 7) ? &DDRB : (((P) >= 8 && (P) <= 15) ? &DDRD : (((P) >= 16 && (P) <= 23) ? &DDRC : (((P) >= 24 && (P) <= 31) ? &DDRA : &DDRE))))
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#define __digitalPinToPINReg(P) \
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(((P) <= 7) ? &PINB : (((P) >= 8 && (P) <= 15) ? &PIND : (((P) >= 16 && (P) <= 23) ? &PINC : (((P) >= 24 && (P) <= 31) ? &PINA : &PINE))))
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# if defined(SANGUINO_PINOUT)
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#define __digitalPinToBit(P) \
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(((P) <= 7) ? (P) : (((P) >= 8 && (P) <= 15) ? (P) - 8 : (((P) >= 16 && (P) <= 23) ? (P) - 16 : (((P) >= 16 && (P) <= 23) ? (7 - ((P) - 24)) : (P) - 32))))
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# else //MightyCore Pinout
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#define __digitalPinToBit(P) \
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(((P) <= 7) ? (P) : (((P) >= 8 && (P) <= 15) ? (P) - 8 : (((P) >= 16 && (P) <= 23) ? (P) - 16 : (((P) >= 16 && (P) <= 23) ? (P) - 24 : (P) - 32))))
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# endif
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#elif defined(PORTA)
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#define __digitalPinToPortReg(P) \
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(((P) <= 7) ? &PORTB : (((P) >= 8 && (P) <= 15) ? &PORTD : (((P) >= 16 && (P) <= 23) ? &PORTC : &PORTA)))
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#define __digitalPinToDDRReg(P) \
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(((P) <= 7) ? &DDRB : (((P) >= 8 && (P) <= 15) ? &DDRD : (((P) >= 16 && (P) <= 23) ? &DDRC : &DDRA)))
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#define __digitalPinToPINReg(P) \
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(((P) <= 7) ? &PINB : (((P) >= 8 && (P) <= 15) ? &PIND : (((P) >= 16 && (P) <= 23) ? &PINC : &PINA)))
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# if defined(SANGUINO_PINOUT)
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#define __digitalPinToBit(P) \
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(((P) <= 7) ? (P) : (((P) >= 8 && (P) <= 15) ? (P) - 8 : (((P) >= 16 && (P) <= 23) ? (P) - 16 : (7 - ((P) - 24)))))
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# else //MightyCore Pinout
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#define __digitalPinToBit(P) \
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(((P) <= 7) ? (P) : (((P) >= 8 && (P) <= 15) ? (P) - 8 : (((P) >= 16 && (P) <= 23) ? (P) - 16 : (P) - 24)))
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# endif
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#else
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#define __digitalPinToPortReg(P) \
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(((P) <= 7) ? &PORTB : (((P) >= 8 && (P) <= 15) ? &PORTD : &PORTC))
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#define __digitalPinToDDRReg(P) \
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(((P) <= 7) ? &DDRB : (((P) >= 8 && (P) <= 15) ? &DDRD : &DDRC))
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#define __digitalPinToPINReg(P) \
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(((P) <= 7) ? &PINB : (((P) >= 8 && (P) <= 15) ? &PIND : &PINC))
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# if defined(SANGUINO_PINOUT)
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#define __digitalPinToBit(P) \
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(((P) <= 7) ? (P) : (((P) >= 8 && (P) <= 15) ? (P) - 8 : (((P) >= 16 && (P) <= 23) ? (P) - 16 : (7 - ((P) - 24)))))
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# else //MightyCore Pinout
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#define __digitalPinToBit(P) \
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(((P) <= 7) ? (P) : (((P) >= 8 && (P) <= 15) ? (P) - 8 : (((P) >= 16 && (P) <= 23) ? (P) - 16 : (P) - 24)))
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# endif
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#endif
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// --- Arduino Leonardo and ATmega16U4/32U4 based boards ---
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#elif (defined(ARDUINO_AVR_LEONARDO) || \
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defined(__AVR_ATmega16U4__) || \
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defined(__AVR_ATmega32U4__))
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# if defined(TEENSYDUINO)
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#define __digitalPinToPortReg(P) \
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((((P) <= 4) || ((P) >= 13 && (P) <= 15)) ? &PORTB : (((P) == 9 || (P) == 10) ? &PORTC : (((P) >= 16 && (P) <= 21)) ? &PORTF : &PORTD))
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#define __digitalPinToDDRReg(P) \
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((((P) <= 4) || ((P) >= 13 && (P) <= 15)) ? &DDRB : (((P) == 9 || (P) == 10) ? &DDRC : (((P) >= 16 && (P) <= 21)) ? &DDRF : &DDRD))
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#define __digitalPinToPINReg(P) \
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((((P) <= 4) || ((P) >= 13 && (P) <= 15)) ? &PINB : (((P) == 9 || (P) == 10) ? &PINC : (((P) >= 16 && (P) <= 21)) ? &PINF : &PIND))
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#define __digitalPinToBit(P) \
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(((P) <= 3) ? (P) : \
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(((P) == 4 || (P) == 12) ? 7 : \
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(((P) <= 8) ? (P) - 5 : \
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(((P) <= 10) ? (P) - 3 : \
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(((P) == 11) ? 6 : \
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(((P) <= 15) ? (P) - 9 : \
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(((P) <= 19) ? 23 - (P) : \
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(((P) <= 21) ? 21 - (P) : (P) - 18))))))))
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# else
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#define __digitalPinToPortReg(P) \
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((((P) <= 4) || (P) == 6 || (P) == 12 || (P) == 24 || (P) == 25 || (P) == 29) ? &PORTD : (((P) == 5 || (P) == 13) ? &PORTC : (((P) >= 18 && (P) <= 23)) ? &PORTF : (((P) == 7) ? &PORTE : &PORTB)))
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#define __digitalPinToDDRReg(P) \
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((((P) <= 4) || (P) == 6 || (P) == 12 || (P) == 24 || (P) == 25 || (P) == 29) ? &DDRD : (((P) == 5 || (P) == 13) ? &DDRC : (((P) >= 18 && (P) <= 23)) ? &DDRF : (((P) == 7) ? &DDRE : &DDRB)))
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#define __digitalPinToPINReg(P) \
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((((P) <= 4) || (P) == 6 || (P) == 12 || (P) == 24 || (P) == 25 || (P) == 29) ? &PIND : (((P) == 5 || (P) == 13) ? &PINC : (((P) >= 18 && (P) <= 23)) ? &PINF : (((P) == 7) ? &PINE : &PINB)))
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#define __digitalPinToBit(P) \
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(((P) >= 8 && (P) <= 11) ? (P) - 4 : \
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(((P) >= 18 && (P) <= 21) ? 25 - (P) : \
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(((P) == 0) ? 2 : (((P) == 1) ? 3 : (((P) == 2) ? 1 : (((P) == 3) ? 0 : (((P) == 4) ? 4 : (((P) == 6) ? 7 : (((P) == 13) ? 7 : \
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(((P) == 14) ? 3 : (((P) == 15) ? 1 : (((P) == 16) ? 2 : (((P) == 17) ? 0 : (((P) == 22) ? 1 : (((P) == 23) ? 0 : \
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(((P) == 24) ? 4 : (((P) == 25) ? 7 : (((P) == 26) ? 4 : (((P) == 27) ? 5 : 6 )))))))))))))))))))
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# endif
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// --- Arduino Uno and ATmega168/328 based boards ---
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#elif (defined(ARDUINO_AVR_UNO) || \
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defined(ARDUINO_AVR_DUEMILANOVE) || \
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defined(__AVR_ATmega8__) || \
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defined(__AVR_ATmega48__) || \
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defined(__AVR_ATmega48P__) || \
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defined(__AVR_ATmega48PB__) || \
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defined(__AVR_ATmega88P__) || \
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defined(__AVR_ATmega88PB__) || \
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defined(__AVR_ATmega168__) || \
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defined(__AVR_ATmega168PA__) || \
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defined(__AVR_ATmega168PB__) || \
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defined(__AVR_ATmega328__) || \
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defined(__AVR_ATmega328P__) || \
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defined(__AVR_ATmega328PB__))
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#if defined(__AVR_ATmega48PB__) || defined(__AVR_ATmega88PB__) || defined(__AVR_ATmega168PB__) || defined(__AVR_ATmega328PB__)
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#define __digitalPinToPortReg(P) \
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(((P) <= 7) ? &PORTD : (((P) >= 8 && (P) <= 13) ? &PORTB : (((P) >= 14 && (P) <= 19) ? &PORTC : &PORTE)))
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#define __digitalPinToDDRReg(P) \
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(((P) <= 7) ? &DDRD : (((P) >= 8 && (P) <= 13) ? &DDRB : (((P) >= 14 && (P) <= 19) ? &DDRC : &DDRE)))
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#define __digitalPinToPINReg(P) \
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(((P) <= 7) ? &PIND : (((P) >= 8 && (P) <= 13) ? &PINB : (((P) >= 14 && (P) <= 19) ? &PINC : &PINE)))
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#define __digitalPinToBit(P) \
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(((P) <= 7) ? (P) : (((P) >= 8 && (P) <= 13) ? (P) - 8 : (((P) >= 14 && (P) <= 19) ? (P) - 14 : (((P) >= 20 && (P) <= 21) ? (P) - 18 : (P) - 22))))
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#else
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#define __digitalPinToPortReg(P) \
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(((P) <= 7) ? &PORTD : (((P) >= 8 && (P) <= 13) ? &PORTB : &PORTC))
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#define __digitalPinToDDRReg(P) \
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(((P) <= 7) ? &DDRD : (((P) >= 8 && (P) <= 13) ? &DDRB : &DDRC))
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#define __digitalPinToPINReg(P) \
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(((P) <= 7) ? &PIND : (((P) >= 8 && (P) <= 13) ? &PINB : &PINC))
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#define __digitalPinToBit(P) \
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(((P) <= 7) ? (P) : (((P) >= 8 && (P) <= 13) ? (P) - 8 : (P) - 14))
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#endif
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// --- Arduino Uno WiFi Rev 2, Nano Every ---
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#elif defined(__AVR_ATmega4809__)
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#define __digitalPinToPortReg(P) \
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(((P) == 2 || (P) == 7 ) ? &VPORTA.OUT : ((P) == 5 || (P) == 9 || (P) == 10) ? &VPORTB.OUT : ((P) == 4) ? &VPORTC.OUT : (((P) >= 14 && (P) <= 17) || (P) == 20 || (P) == 21) ? &VPORTD.OUT : ((P) == 8 || (P) == 11 || (P) == 12 || (P) == 13) ? &VPORTE.OUT : &VPORTF.OUT)
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#define __digitalPinToDDRReg(P) \
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(((P) == 2 || (P) == 7 ) ? &VPORTA.DIR : ((P) == 5 || (P) == 9 || (P) == 10) ? &VPORTB.DIR : ((P) == 4) ? &VPORTC.DIR : (((P) >= 14 && (P) <= 17) || (P) == 20 || (P) == 21) ? &VPORTD.DIR : ((P) == 8 || (P) == 11 || (P) == 12 || (P) == 13) ? &VPORTE.DIR : &VPORTF.DIR)
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#define __digitalPinToPINReg(P) \
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(((P) == 2 || (P) == 7 ) ? &VPORTA.IN : ((P) == 5 || (P) == 9 || (P) == 10) ? &VPORTB.IN : ((P) == 4) ? &VPORTC.IN : (((P) >= 14 && (P) <= 17) || (P) == 20 || (P) == 21) ? &VPORTD.IN : ((P) == 8 || (P) == 11 || (P) == 12 || (P) == 13) ? &VPORTE.IN : &VPORTF.IN)
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#define __digitalPinToBit(P) \
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(((P) == 2 || (P) == 9 || (P) == 11 || (P) == 17) ? 0 : ((P) == 7 || (P) == 10 || (P) == 12 || (P) == 16) ? 1 : ((P) == 5 || (P) == 13 || (P) == 15 || (P) == 18) ? 2 : ((P) == 9 || (P) == 14 || (P) == 19) ? 3 : ((P) == 6 || (P) == 20) ? 4 : ((P) == 3 || (P) == 21) ? 5 : 6 )
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// TinyCore
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// https://raw.githubusercontent.com/xukangmin/TinyCore/master/avr/package/package_tinycore_index.json
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// https://docs.tinycore.dev/en/latest/
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#elif defined(__AVR_ATtiny1616__) || defined(__AVR_ATtiny3216__) || defined(__AVR_ATtiny3217__)
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#define __digitalPinToPortReg(P) ((P) <= 5 ? &VPORTB.OUT : ((P) <= 9 ? &VPORTC.OUT : ((P) <= 16 ? &VPORTA.OUT : ((P) <= 18 ? &VPORTB.OUT : &VPORTC.OUT))))
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#define __digitalPinToDDRReg(P) ((P) <= 5 ? &VPORTB.DIR : ((P) <= 9 ? &VPORTC.DIR : ((P) <= 16 ? &VPORTA.DIR : ((P) <= 18 ? &VPORTB.DIR : &VPORTC.DIR))))
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#define __digitalPinToPINReg(P) ((P) <= 5 ? &VPORTB.IN : ((P) <= 9 ? &VPORTC.IN : ((P) <= 16 ? &VPORTA.IN : ((P) <= 18 ? &VPORTB.IN : &VPORTC.IN))))
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#define __digitalPinToBit(P) ( (P) <= 3 ? (3 - P) : ((P) <= 5 ? (P) : ((P) <= 9 ? (P - 6) : ((P) <= 16 ? ((P) - 9) : ((P) <= 18 ? ((P) - 11) : ((P) - 15))))) )
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#elif defined(__AVR_ATtiny1614__)
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#define __digitalPinToPortReg(P) ((P) <= 3 ? &VPORTA.OUT : ((P) <= 7 ? &VPORTB.OUT : &VPORTA.OUT))
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#define __digitalPinToDDRReg(P) ((P) <= 3 ? &VPORTA.DIR : ((P) <= 7 ? &VPORTB.DIR : &VPORTA.DIR))
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#define __digitalPinToPINReg(P) ((P) <= 3 ? &VPORTA.IN : ((P) <= 7 ? &VPORTB.IN : &VPORTA.IN))
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#define __digitalPinToBit(P) ( (P) <= 3 ? (P + 4) : ((P) <= 7 ? (7 - P) : ((P) <= 10 ? (P - 7) : (P) - 11)) )
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#elif defined(__AVR_ATtiny816__)
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// https://github.com/Arduino-IRremote/Arduino-IRremote/discussions/1029
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#define __digitalPinToPortReg(P) ((P) <= 3 ? &VPORTA.OUT : ((P) <= 9 ? &VPORTB.OUT : ((P) <= 13 ? &VPORTC.OUT : ((P) <= 17 ? &VPORTA.OUT : &VPORTC.OUT))))
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#define __digitalPinToDDRReg(P) ((P) <= 3 ? &VPORTA.DIR : ((P) <= 9 ? &VPORTB.DIR : ((P) <= 13 ? &VPORTC.DIR : ((P) <= 17 ? &VPORTA.DIR : &VPORTC.DIR))))
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#define __digitalPinToPINReg(P) ((P) <= 3 ? &VPORTA.IN : ((P) <= 9 ? &VPORTB.IN : ((P) <= 13 ? &VPORTC.IN : ((P) <= 17 ? &VPORTA.IN : &VPORTC.IN))))
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#define __digitalPinToBit(P) ( (P) <= 3 ? (P + 4) : ((P) <= 9 ? (9 - P) : ((P) <= 13 ? (P - 10) : ((P) <= 16 ? (P - 13) : ((P) - 17)))) )
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// --- ATtinyX5 ---
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#elif defined(__AVR_ATtiny25__) || defined(__AVR_ATtiny45__) || defined(__AVR_ATtiny85__)
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// we have only PORTB
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#define __digitalPinToPortReg(P) (&PORTB)
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#define __digitalPinToDDRReg(P) (&DDRB)
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#define __digitalPinToPINReg(P) (&PINB)
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#define __digitalPinToBit(P) (((P) <= 7) ? (P) : (((P) >= 8 && (P) <= 13) ? (P) - 8 : (P) - 14))
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// --- ATtiny88 ---
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#elif defined(__AVR_ATtiny88__)
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# if defined(ARDUINO_AVR_DIGISPARKPRO)
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#define __digitalPinToPortReg(P) ((P) <= 7 ? &PORTD : ((P) <= 14 ? &PORTB : ((P) <= 18 ? &PORTA : &PORTC)))
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#define __digitalPinToDDRReg(P) ((P) <= 7 ? &DDRD : ((P) <= 14 ? &DDRB : ((P) <= 18 ? &DDRA : &DDRC)))
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#define __digitalPinToPINReg(P) ((P) <= 7 ? &PIND : ((P) <= 14 ? &PINB : ((P) <= 18 ? &PINA : &PINC)))
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#define __digitalPinToBit(P) ( (P) <= 7 ? (P) : ((P) <= 13 ? ((P) - 8) : ((P) == 14 ? 7 : ((P) <= 16 ? ((P) - 14) : ((P) <= 18 ? ((P) - 17) : ((P) == 25 ? 7 : ((P) - 19)))))) )
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# else
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#define __digitalPinToPortReg(P) ((P) <= 7 ? &PORTD : ((P) <= 15 ? &PORTB : ((P) <= 22 ? &PORTC : ((P) <= 26 ? &PORTA : &PORTC))))
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#define __digitalPinToDDRReg(P) ((P) <= 7 ? &DDRD : ((P) <= 15 ? &DDRB : ((P) <= 22 ? &DDRC : ((P) <= 26 ? &DDRA : &DDRC))))
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#define __digitalPinToPINReg(P) ((P) <= 7 ? &PIND : ((P) <= 15 ? &PINB : ((P) <= 22 ? &PINC : ((P) <= 26 ? &PINA : &PINC))))
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#define __digitalPinToBit(P) ((P) <= 15 ? ((P) & 0x7) : ((P) == 16 ? (7) : ((P) <= 22 ? ((P) - 17) : ((P) == 27 ? (6) : ((P) - 23)))))
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# endif
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// --- ATtinyX4 + ATtinyX7 ---
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#elif defined(__AVR_ATtiny24__) || defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__) \
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|| defined(__AVR_ATtiny441__) || defined(__AVR_ATtiny841__) || defined(__AVR_ATtiny87__) || defined(__AVR_ATtiny167__)
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# if defined(ARDUINO_AVR_DIGISPARKPRO) || PIN_PA7 == 5
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// Strange enumeration of pins on Digispark board and core library
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#define __digitalPinToPortReg(P) (((P) <= 4) ? &PORTB : &PORTA)
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#define __digitalPinToDDRReg(P) (((P) <= 4) ? &DDRB : &DDRA)
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#define __digitalPinToPINReg(P) (((P) <= 4) ? &PINB : &PINA)
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#define __digitalPinToBit(P) (((P) <= 2) ? (P) : (((P) == 3) ? 6 : (((P) == 4) ? 3 : (((P) == 5) ? 7 : (P) - 6 ))))
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# else
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// ATtinyX4: PORTA for 0 to 7, PORTB for 8 to 11
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// ATtinyX7: PORTA for 0 to 7, PORTB for 8 to 15
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#define __digitalPinToPortReg(P) (((P) <= 7) ? &PORTA : &PORTB)
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#define __digitalPinToDDRReg(P) (((P) <= 7) ? &DDRA : &DDRB)
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#define __digitalPinToPINReg(P) (((P) <= 7) ? &PINA : &PINB)
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# endif
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# if defined(__AVR_ATtiny24__) || defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__) || defined(__AVR_ATtiny441__) || defined(__AVR_ATtiny841__)
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|
// https://github.com/SpenceKonde/ATTinyCore/blob/v2.0.0-devThis-is-the-head-submit-PRs-against-this/avr/variants/tinyx41_cw/pins_arduino.h#L334
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// Clockwise layout
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#define __digitalPinToBit(P) (((P) <= 7) ? (P) : ((P) == 11 ? (3) : 10 - (P)))
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# else
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#define __digitalPinToBit(P) (((P) <= 7) ? (P) : (P) - 8 )
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# endif
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|
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#endif
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void NonConstantsUsedForPinModeFast( void ) __attribute__ (( error("Parameter for pinModeFast() function is not constant") ));
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void NonConstantsUsedForDigitalWriteFast( void ) __attribute__ (( error("Parameter for digitalWriteFast() function is not constant") ));
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void NonConstantsUsedForDigitalToggleFast( void ) __attribute__ (( error("Parameter for digitalToggleFast() function is not constant") ));
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int NonConstantsUsedForDigitalReadFast( void ) __attribute__ (( error("Parameter for digitalReadFast() function is not constant") ));
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|
|
|
#if !defined(digitalWriteFast)
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|
# if (defined(__AVR__) || defined(ARDUINO_ARCH_AVR)) && defined(__digitalPinToPortReg)
|
|
# if defined(THROW_ERROR_IF_NOT_FAST)
|
|
#define digitalWriteFast(P, V) \
|
|
if (__builtin_constant_p(P)) { \
|
|
BIT_WRITE(*__digitalPinToPortReg(P), __digitalPinToBit(P), (V)); \
|
|
} else { \
|
|
NonConstantsUsedForDigitalWriteFast(); \
|
|
}
|
|
# else
|
|
#define digitalWriteFast(P, V) \
|
|
if (__builtin_constant_p(P)) { \
|
|
BIT_WRITE(*__digitalPinToPortReg(P), __digitalPinToBit(P), (V)); \
|
|
} else { \
|
|
digitalWrite((P), (V)); \
|
|
}
|
|
# endif // defined(THROW_ERROR_IF_NOT_FAST)
|
|
# else
|
|
#define digitalWriteFast digitalWrite
|
|
# endif
|
|
#endif
|
|
|
|
#if !defined(pinModeFast)
|
|
# if (defined(__AVR__) || defined(ARDUINO_ARCH_AVR)) && defined(__digitalPinToPortReg)
|
|
# if defined(THROW_ERROR_IF_NOT_FAST)
|
|
#define pinModeFast(P, V) \
|
|
if (__builtin_constant_p(P) && __builtin_constant_p(V)) { \
|
|
if (V == INPUT_PULLUP) {\
|
|
BIT_CLEAR(*__digitalPinToDDRReg(P), __digitalPinToBit(P)); \
|
|
BIT_SET(*__digitalPinToPortReg(P), __digitalPinToBit(P)); \
|
|
} else { \
|
|
BIT_WRITE(*__digitalPinToDDRReg(P), __digitalPinToBit(P), (V)); \
|
|
} \
|
|
} else { \
|
|
NonConstantsUsedForPinModeFast(); \
|
|
}
|
|
# else
|
|
#define pinModeFast(P, V) \
|
|
if (__builtin_constant_p(P) && __builtin_constant_p(V)) { \
|
|
if (V == INPUT_PULLUP) {\
|
|
BIT_CLEAR(*__digitalPinToDDRReg(P), __digitalPinToBit(P)); \
|
|
BIT_SET(*__digitalPinToPortReg(P), __digitalPinToBit(P)); \
|
|
} else { \
|
|
BIT_WRITE(*__digitalPinToDDRReg(P), __digitalPinToBit(P), (V)); \
|
|
} \
|
|
} else { \
|
|
pinMode((P), (V)); \
|
|
}
|
|
# endif // defined(THROW_ERROR_IF_NOT_FAST)
|
|
# else
|
|
#define pinModeFast pinMode
|
|
# endif
|
|
#endif // !defined(pinModeFast)
|
|
|
|
#if !defined(digitalReadFast)
|
|
# if (defined(__AVR__) || defined(ARDUINO_ARCH_AVR)) && defined(__digitalPinToPINReg)
|
|
# if defined(THROW_ERROR_IF_NOT_FAST)
|
|
#define digitalReadFast(P) ( (int) __digitalReadFast((P)) )
|
|
// since we have return values, it is easier to implement it by ?:
|
|
#define __digitalReadFast(P ) \
|
|
(__builtin_constant_p(P) ) ? \
|
|
(( BIT_READ(*__digitalPinToPINReg(P), __digitalPinToBit(P))) ? HIGH:LOW ) : \
|
|
NonConstantsUsedForDigitalReadFast()
|
|
# else
|
|
#define digitalReadFast(P) ( (int) __digitalReadFast((P)) )
|
|
// since we have return values, it is easier to implement it by ?:
|
|
#define __digitalReadFast(P ) \
|
|
(__builtin_constant_p(P) ) ? \
|
|
(( BIT_READ(*__digitalPinToPINReg(P), __digitalPinToBit(P))) ? HIGH:LOW ) : \
|
|
digitalRead((P))
|
|
# endif // defined(THROW_ERROR_IF_NOT_FAST)
|
|
# else
|
|
#define digitalReadFast digitalRead
|
|
# endif
|
|
#endif // !defined(digitalReadFast)
|
|
|
|
#if !defined(digitalToggleFast)
|
|
# if (defined(__AVR__) || defined(ARDUINO_ARCH_AVR)) && defined(__digitalPinToPINReg)
|
|
# if defined(THROW_ERROR_IF_NOT_FAST)
|
|
#define digitalToggleFast(P) \
|
|
if (__builtin_constant_p(P)) { \
|
|
BIT_SET(*__digitalPinToPINReg(P), __digitalPinToBit(P)); \
|
|
} else { \
|
|
NonConstantsUsedForDigitalToggleFast(); \
|
|
}
|
|
# else
|
|
#define digitalToggleFast(P) \
|
|
if (__builtin_constant_p(P)) { \
|
|
BIT_SET(*__digitalPinToPINReg(P), __digitalPinToBit(P)); \
|
|
} else { \
|
|
digitalWrite(P, ! digitalRead(P)); \
|
|
}
|
|
# endif // defined(THROW_ERROR_IF_NOT_FAST)
|
|
# else
|
|
#define digitalToggleFast(P) digitalWrite(P, ! digitalRead(P))
|
|
# endif
|
|
#endif // !defined(digitalToggleFast)
|
|
|
|
#endif //__digitalWriteFast_h_
|