teensy-core-4.1/teensy3/WProgram.h

#ifndef WProgram_h
#define WProgram_h

#include <stdlib.h>
#include <string.h>
#include <math.h>

// some libraries and sketches depend on this
// AVR stuff, assuming Arduino.h or WProgram.h
// automatically includes it...
#include <avr/pgmspace.h>
#include <avr/interrupt.h>

#include "avr_functions.h"
#include "wiring.h"
#include "HardwareSerial.h"

#define DMAMEM __attribute__ ((section(".dmabuffers"), used))
#define FASTRUN __attribute__ ((section(".fastrun"), noinline, noclone ))

#ifdef __cplusplus

#include "avr_emulation.h"
#include "usb_serial.h"
#include "usb_seremu.h"
#include "usb_keyboard.h"
#include "usb_mouse.h"
#include "usb_joystick.h"
#include "usb_midi.h"
#include "usb_rawhid.h"
#include "usb_flightsim.h"
#include "usb_mtp.h"
#include "usb_audio.h"
#include "usb_touch.h"
#include "usb_undef.h" // do not allow usb_desc.h stuff to leak to user programs

#include "WCharacter.h"
#include "WString.h"
#include "elapsedMillis.h"
#include "IntervalTimer.h"

uint16_t makeWord(uint16_t w);
uint16_t makeWord(byte h, byte l);

#define word(...) makeWord(__VA_ARGS__)

unsigned long pulseIn(uint8_t pin, uint8_t state, unsigned long timeout = 1000000L);

void tone(uint8_t pin, uint16_t frequency, uint32_t duration = 0);
void noTone(uint8_t pin);

// WMath prototypes
int32_t random(void);
uint32_t random(uint32_t howbig);
int32_t random(int32_t howsmall, int32_t howbig);
void randomSeed(uint32_t newseed);
void srandom(uint32_t newseed);

#include <type_traits>
// when the input number is an integer type, do all math as 32 bit signed long
template <class T, class A, class B, class C, class D>
T map(T _x, A _in_min, B _in_max, C _out_min, D _out_max, typename std::enable_if<std::is_integral<T>::value >::type* = 0)
{
	long x = _x, in_min = _in_min, in_max = _in_max, out_min = _out_min, out_max = _out_max;
	// Arduino's traditional algorithm
	//return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
	// st42's suggestion: https://github.com/arduino/Arduino/issues/2466#issuecomment-69873889
	if ((in_max - in_min) > (out_max - out_min)) {
		return (x - in_min) * (out_max - out_min+1) / (in_max - in_min+1) + out_min;
	} else {
		return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
	}
}
// when the input is a float or double, do all math using the input's type
template <class T, class A, class B, class C, class D>
T map(T x, A in_min, B in_max, C out_min, D out_max, typename std::enable_if<std::is_floating_point<T>::value >::type* = 0)
{
	return (x - (T)in_min) * ((T)out_max - (T)out_min) / ((T)in_max - (T)in_min) + (T)out_min;
}

#include "pins_arduino.h"

#endif // __cplusplus


// Fast memcpy
#if defined(__MK20DX128__) || defined(__MK20DX256__) || defined(__MK64FX512__) || defined(__MK66FX1M0__)
#ifdef __cplusplus
extern "C" {
extern void *memcpy (void *dst, const void *src, size_t count);
}
#else
extern void *memcpy (void *dst, const void *src, size_t count);
#endif
#endif


#endif // WProgram_h