271 lines
7.2 KiB
C
Executable File
271 lines
7.2 KiB
C
Executable File
#ifndef Arduino_h
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#define Arduino_h
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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#include <avr/interrupt.h>
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#include <avr/io.h>
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#include <avr/interrupt.h>
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#include <stdlib.h>
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#include "binary.h"
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#include "pins_arduino.h"
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#ifdef __cplusplus
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extern "C"{
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#endif
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#define HIGH 0x1
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#define LOW 0x0
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#define INPUT 0x0
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#define OUTPUT 0x1
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#define true 0x1
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#define false 0x0
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#define PI 3.1415926535897932384626433832795
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#define HALF_PI 1.5707963267948966192313216916398
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#define TWO_PI 6.283185307179586476925286766559
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#define DEG_TO_RAD 0.017453292519943295769236907684886
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#define RAD_TO_DEG 57.295779513082320876798154814105
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#define SERIAL 0x0
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#define DISPLAY 0x1
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#define LSBFIRST 0
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#define MSBFIRST 1
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#define CHANGE 1
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#define FALLING 2
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#define RISING 3
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#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
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#define INTERNAL1V1 2
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#define INTERNAL2V56 3
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#else
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#define INTERNAL 3
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#endif
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#define DEFAULT 1
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#define EXTERNAL 0
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// undefine stdlib's abs if encountered
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#ifdef abs
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#undef abs
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#endif
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#define min(a,b) ((a)<(b)?(a):(b))
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#define max(a,b) ((a)>(b)?(a):(b))
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#define abs(x) ((x)>0?(x):-(x))
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#define constrain(amt,low,high) ((amt)<(low)?(low):((amt)>(high)?(high):(amt)))
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#define round(x) ((x)>=0?(long)((x)+0.5):(long)((x)-0.5))
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#define radians(deg) ((deg)*DEG_TO_RAD)
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#define degrees(rad) ((rad)*RAD_TO_DEG)
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#define sq(x) ((x)*(x))
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#define interrupts() sei()
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#define noInterrupts() cli()
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#define clockCyclesPerMicrosecond() ( F_CPU / 1000000L )
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#define clockCyclesToMicroseconds(a) ( ((a) * 1000L) / (F_CPU / 1000L) )
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#define microsecondsToClockCycles(a) ( ((a) * (F_CPU / 1000L)) / 1000L )
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#define lowByte(w) ((uint8_t) ((w) & 0xff))
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#define highByte(w) ((uint8_t) ((w) >> 8))
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#define bitRead(value, bit) (((value) >> (bit)) & 0x01)
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#define bitSet(value, bit) ((value) |= (1UL << (bit)))
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#define bitClear(value, bit) ((value) &= ~(1UL << (bit)))
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#define bitWrite(value, bit, bitvalue) (bitvalue ? bitSet(value, bit) : bitClear(value, bit))
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typedef unsigned int word;
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#define bit(b) (1UL << (b))
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typedef uint8_t boolean;
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typedef uint8_t byte;
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void init(void);
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void pinMode_lookup(uint8_t, uint8_t);
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void digitalWrite_lookup(uint8_t, uint8_t);
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int digitalRead_lookup(uint8_t);
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int analogRead(uint8_t);
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void analogReference(uint8_t mode);
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void analogWrite(uint8_t, int);
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unsigned long millis(void);
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unsigned long micros(void);
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void delay(unsigned long);
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void delayMicroseconds(unsigned int us);
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unsigned long pulseIn(uint8_t pin, uint8_t state, unsigned long timeout);
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void shiftOut(uint8_t dataPin, uint8_t clockPin, uint8_t bitOrder, uint8_t val);
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uint8_t shiftIn(uint8_t dataPin, uint8_t clockPin, uint8_t bitOrder);
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void attachInterrupt(uint8_t, void (*)(void), int mode);
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void detachInterrupt(uint8_t);
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void setup(void);
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void loop(void);
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// Get the bit location within the hardware port of the given virtual pin.
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// This comes from the pins_*.c file for the active board configuration.
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#define analogInPinToBit(P) (P)
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INLINED uint8_t digitalPinToPort(uint8_t pin) {
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if (__builtin_constant_p(pin))
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return inlined_digitalPinToPort(pin);
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else
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return pgm_read_byte( digital_pin_to_port_PGM + pin );
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}
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INLINED uint8_t digitalPinToBitMask(uint8_t pin) {
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if (__builtin_constant_p(pin))
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return inlined_digitalPinToBitMask(pin);
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else
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return pgm_read_byte( digital_pin_to_bit_mask_PGM + pin );
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}
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INLINED uint8_t digitalPinToTimer(uint8_t pin) {
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if (__builtin_constant_p(pin))
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return inlined_digitalPinToTimer(pin);
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else
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return pgm_read_byte( digital_pin_to_timer_PGM + pin );
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}
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INLINED volatile uint8_t *portOutputRegister(uint8_t index) {
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if (__builtin_constant_p(index))
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return inlined_portOutputRegister(index);
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else
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return (volatile uint8_t *)( pgm_read_word( port_to_output_PGM + index ) );
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}
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INLINED volatile uint8_t* portInputRegister(uint8_t index) {
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if (__builtin_constant_p(index))
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return inlined_portInputRegister(index);
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else
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return (volatile uint8_t *)( pgm_read_word( port_to_input_PGM + index) );
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}
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INLINED volatile uint8_t* portModeRegister(uint8_t index) {
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if (__builtin_constant_p(index))
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return inlined_portModeRegister(index);
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else
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return (volatile uint8_t *)( pgm_read_word( port_to_mode_PGM + index) );
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}
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/*
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* Check if a given pin requires locking.
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* When accessing lower 32 IO ports we can use SBI/CBI instructions, which are atomic. However
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* other IO ports require load+modify+store and we need to make them atomic by disabling
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* interrupts.
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*/
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INLINED int portWriteNeedsLocking(uint8_t pin)
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{
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/* SBI/CBI instructions only work on lower 32 IO ports */
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if (inlined_portOutputRegister(inlined_digitalPinToPort(pin)) > (volatile uint8_t*)&_SFR_IO8(0x1F)) {
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return 1;
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}
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return 0;
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}
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INLINED int portModeNeedsLocking(uint8_t pin)
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{
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/* SBI/CBI instructions only work on lower 32 IO ports */
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if (inlined_portModeRegister(inlined_digitalPinToPort(pin)) > (volatile uint8_t*)&_SFR_IO8(0x1F)) {
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return 1;
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}
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return 0;
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}
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/*
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* These functions will perform OR/AND on a given register, and are atomic.
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*/
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extern void __digitalWriteOR_locked(volatile uint8_t*out, uint8_t bit);
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extern void __digitalWriteAND_locked(volatile uint8_t*out, uint8_t bit);
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INLINED void digitalWrite(uint8_t pin, uint8_t value)
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{
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if (__builtin_constant_p(pin)) {
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if (portWriteNeedsLocking(pin)) {
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if (value==LOW) {
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__digitalWriteAND_locked(inlined_portOutputRegister(inlined_digitalPinToPort(pin)),~inlined_digitalPinToBitMask(pin));
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} else {
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__digitalWriteOR_locked(inlined_portOutputRegister(inlined_digitalPinToPort(pin)),inlined_digitalPinToBitMask(pin));
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}
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} else {
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if (value==LOW) {
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*inlined_portOutputRegister(inlined_digitalPinToPort(pin)) &= ~(inlined_digitalPinToBitMask(pin));
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} else {
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*inlined_portOutputRegister(inlined_digitalPinToPort(pin)) |= inlined_digitalPinToBitMask(pin);
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}
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}
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} else {
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digitalWrite_lookup(pin,value);
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}
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}
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INLINED void pinMode(uint8_t pin, uint8_t mode)
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{
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if (__builtin_constant_p(pin)) {
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if (portModeNeedsLocking(pin)) {
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if (mode==INPUT) {
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__digitalWriteAND_locked(inlined_portModeRegister(inlined_digitalPinToPort(pin)),~inlined_digitalPinToBitMask(pin));
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} else {
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__digitalWriteOR_locked(inlined_portModeRegister(inlined_digitalPinToPort(pin)),inlined_digitalPinToBitMask(pin));
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}
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} else {
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if (mode==INPUT) {
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*inlined_portModeRegister(inlined_digitalPinToPort(pin)) &= ~(inlined_digitalPinToBitMask(pin));
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} else {
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*inlined_portModeRegister(inlined_digitalPinToPort(pin)) |= inlined_digitalPinToBitMask(pin);
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}
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}
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} else {
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pinMode_lookup(pin,mode);
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}
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}
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INLINED int digitalRead(uint8_t pin)
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{
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if (__builtin_constant_p(pin)) {
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return !! *inlined_portInputRegister(inlined_digitalPinToPort(pin));
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} else {
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return digitalRead_lookup(pin);
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}
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}
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#ifdef __cplusplus
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#include "WCharacter.h"
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#include "WString.h"
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#include "HardwareSerial.h"
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uint16_t makeWord(uint16_t w);
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uint16_t makeWord(byte h, byte l);
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#define word(...) makeWord(__VA_ARGS__)
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unsigned long pulseIn(uint8_t pin, uint8_t state, unsigned long timeout = 1000000L);
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void tone(uint8_t _pin, unsigned int frequency, unsigned long duration = 0);
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void noTone(uint8_t _pin);
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// WMath prototypes
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long random(long);
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long random(long, long);
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void randomSeed(unsigned int);
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long map(long, long, long, long, long);
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#endif
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#endif |