diff options
Diffstat (limited to 'cores/arduino/wiring.h')
| -rwxr-xr-x | cores/arduino/wiring.h | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/cores/arduino/wiring.h b/cores/arduino/wiring.h index 433c87e..b8a44ae 100755 --- a/cores/arduino/wiring.h +++ b/cores/arduino/wiring.h @@ -25,178 +25,5 @@ #ifndef Wiring_h #define Wiring_h -#include <avr/io.h> -#include <avr/interrupt.h> -#include <stdlib.h> -#include "binary.h" -#include "pins_arduino.h" - -#ifdef __cplusplus -extern "C"{ -#endif - -#define HIGH 0x1 -#define LOW 0x0 - -#define INPUT 0x0 -#define OUTPUT 0x1 - -#define true 0x1 -#define false 0x0 - -#define PI 3.1415926535897932384626433832795 -#define HALF_PI 1.5707963267948966192313216916398 -#define TWO_PI 6.283185307179586476925286766559 -#define DEG_TO_RAD 0.017453292519943295769236907684886 -#define RAD_TO_DEG 57.295779513082320876798154814105 - -#define SERIAL 0x0 -#define DISPLAY 0x1 - -#define LSBFIRST 0 -#define MSBFIRST 1 - -#define CHANGE 1 -#define FALLING 2 -#define RISING 3 - -#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__) -#define INTERNAL1V1 2 -#define INTERNAL2V56 3 -#else -#define INTERNAL 3 -#endif -#define DEFAULT 1 -#define EXTERNAL 0 - -// undefine stdlib's abs if encountered -#ifdef abs -#undef abs -#endif - -#define min(a,b) ((a)<(b)?(a):(b)) -#define max(a,b) ((a)>(b)?(a):(b)) -#define abs(x) ((x)>0?(x):-(x)) -#define constrain(amt,low,high) ((amt)<(low)?(low):((amt)>(high)?(high):(amt))) -#define round(x) ((x)>=0?(long)((x)+0.5):(long)((x)-0.5)) -#define radians(deg) ((deg)*DEG_TO_RAD) -#define degrees(rad) ((rad)*RAD_TO_DEG) -#define sq(x) ((x)*(x)) - -#define interrupts() sei() -#define noInterrupts() cli() - -#define clockCyclesPerMicrosecond() ( F_CPU / 1000000L ) -#define clockCyclesToMicroseconds(a) ( ((a) * 1000L) / (F_CPU / 1000L) ) -#define microsecondsToClockCycles(a) ( ((a) * (F_CPU / 1000L)) / 1000L ) - -#define lowByte(w) ((uint8_t) ((w) & 0xff)) -#define highByte(w) ((uint8_t) ((w) >> 8)) - -#define bitRead(value, bit) (((value) >> (bit)) & 0x01) -#define bitSet(value, bit) ((value) |= (1UL << (bit))) -#define bitClear(value, bit) ((value) &= ~(1UL << (bit))) -#define bitWrite(value, bit, bitvalue) (bitvalue ? bitSet(value, bit) : bitClear(value, bit)) - - -typedef unsigned int word; - -#define bit(b) (1UL << (b)) - -typedef uint8_t boolean; -typedef uint8_t byte; - -void init(void); - -void pinMode_lookup(uint8_t, uint8_t); -void digitalWrite_lookup(uint8_t, uint8_t); -int digitalRead_lookup(uint8_t); -int analogRead(uint8_t); -void analogReference(uint8_t mode); -void analogWrite(uint8_t, int); - -unsigned long millis(void); -unsigned long micros(void); -void delay(unsigned long); -void delayMicroseconds(unsigned int us); -unsigned long pulseIn(uint8_t pin, uint8_t state, unsigned long timeout); - -void shiftOut(uint8_t dataPin, uint8_t clockPin, uint8_t bitOrder, uint8_t val); -uint8_t shiftIn(uint8_t dataPin, uint8_t clockPin, uint8_t bitOrder); - -void attachInterrupt(uint8_t, void (*)(void), int mode); -void detachInterrupt(uint8_t); - -void setup(void); -void loop(void); - -/* - * Check if a given pin requires locking. - * When accessing lower 32 IO ports we can use SBI/CBI instructions, which are atomic. However - * other IO ports require load+modify+store and we need to make them atomic by disabling - * interrupts. - */ -INLINED int portWriteNeedsLocking(uint8_t pin) -{ - /* SBI/CBI instructions only work on lower 32 IO ports */ - if (inlined_portOutputRegister(inlined_digitalPinToPort(pin)) > (volatile uint8_t*)&_SFR_IO8(0x1F)) { - return 1; - } - return 0; -} - -/* - * These functions will perform OR/AND on a given register, and are atomic. - */ -extern void __digitalWriteOR_locked(volatile uint8_t*out, uint8_t bit); -extern void __digitalWriteAND_locked(volatile uint8_t*out, uint8_t bit); - -INLINED void digitalWrite(uint8_t pin, uint8_t value) -{ - if (__builtin_constant_p(pin)) { - if (portWriteNeedsLocking(pin)) { - if (value==LOW) { - __digitalWriteAND_locked(inlined_portOutputRegister(inlined_digitalPinToPort(pin)),~inlined_digitalPinToBitMask(pin)); - } else { - __digitalWriteOR_locked(inlined_portOutputRegister(inlined_digitalPinToPort(pin)),inlined_digitalPinToBitMask(pin)); - } - } else { - if (value==LOW) { - *inlined_portOutputRegister(inlined_digitalPinToPort(pin)) &= ~(inlined_digitalPinToBitMask(pin)); - } else { - *inlined_portOutputRegister(inlined_digitalPinToPort(pin)) |= inlined_digitalPinToBitMask(pin); - } - } - } else { - digitalWrite_lookup(pin,value); - } -} - -INLINED void pinMode(uint8_t pin, uint8_t mode) -{ - if (__builtin_constant_p(pin)) { - if (mode==INPUT) { - *inlined_portModeRegister(inlined_digitalPinToPort(pin)) &= ~(inlined_digitalPinToBitMask(pin)); - } else { - *inlined_portModeRegister(inlined_digitalPinToPort(pin)) |= inlined_digitalPinToBitMask(pin); - } - } else { - pinMode_lookup(pin,mode); - } -} - -INLINED int digitalRead(uint8_t pin) -{ - if (__builtin_constant_p(pin)) { - return !! *inlined_portInputRegister(inlined_digitalPinToPort(pin)); - } else { - return digitalRead_lookup(pin); - } -} - - -#ifdef __cplusplus -} // extern "C" -#endif #endif |