mirror of
https://github.com/digistump/DigistumpArduino.git
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117 lines
4.1 KiB
C
117 lines
4.1 KiB
C
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#ifndef TINY_PIN_CHANGE_H
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#define TINY_PIN_CHANGE_H 1
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/*
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* <TinyPinChange>, a library for Pin Change Interrupt by RC Navy (2012)
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* Supported devices: ATmega238P (UNO), ATmega2560 (MEGA), ATtiny84, ATtiny85, ATtiny167
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*
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* http://p.loussouarn.free.fr
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* 20/04/2014: Support for MEGA added
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* 22/12/2014: Support for ATtiny167 added
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* Methods TinyPinChange_Edge(), TinyPinChange_RisingEdge(), TinyPinChange_FallingEdge() added
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* TinyPinChange_GetPinEvent() replaced with TinyPinChange_GetPortEvent()
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* TinyPinChange_GetPinCurSt() replaced with TinyPinChange_GetCurPortSt()
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*/
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#if defined(ARDUINO) && ARDUINO >= 100
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#include "Arduino.h"
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#else
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#include "WProgram.h"
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#endif
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#include <inttypes.h>
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#ifdef __AVR_ATtinyX5__
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#undef __AVR_ATtinyX5__
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#endif
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#if defined(__AVR_ATtiny25__) || defined(__AVR_ATtiny45__) || defined(__AVR_ATtiny85__)
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#define __AVR_ATtinyX5__
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#endif
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#ifdef __AVR_ATtinyX4__
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#undef __AVR_ATtinyX4__
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#endif
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#if defined(__AVR_ATtiny24__) || defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__)
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#define __AVR_ATtinyX4__
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#endif
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#ifdef __AVR_ATtinyX5__
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/* ATtinyX5 */
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#define PIN_CHG_PORT_NB 1
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#define DigitalPinToPortIdx(p) 0
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#define PC_PIN0 PINB
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#define PC_PCMSK0 PCMSK
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#else
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#ifdef __AVR_ATtinyX4__
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/* ATtinyX4 */
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#define PIN_CHG_PORT_NB 2
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#define DigitalPinToPortIdx(p) (((p) <= 7) ? (0) : (((p) <= 10) ? (1) : (0)))
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#define PC_PIN0 PINA
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#define PC_PCMSK0 PCMSK0
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#define PC_PIN1 PINB
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#define PC_PCMSK1 PCMSK1
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#else
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#if defined(__AVR_ATmega2560__)
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/* MEGA */
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#define PIN_CHG_PORT_NB 3
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#define DigitalPinToPortIdx(p) ((((p) >= A8) && ((p) <= A15)) ? (2) : ((((p) >= 50) && ((p) <= 53)) ? (0) : ((((p) >= 10) && ((p) <= 13)) ? (0) : (1))))
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#define PC_PIN0 PINB
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#define PC_PCMSK0 PCMSK0
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#define PC_PIN1 PINJ
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#define PC_PCMSK1 PCMSK1
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#define PC_PIN2 PINK
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#define PC_PCMSK2 PCMSK2
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#else
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#if defined(__AVR_ATtiny167__)
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/* ATtiny167 */
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#define PIN_CHG_PORT_NB 2
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#define DigitalPinToPortIdx(p) (((p) >= 5 && (p) <= 12) ? (0) : (1))
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#define PC_PIN0 PINA
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#define PC_PCMSK0 PCMSK0
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#define PC_PIN1 PINB
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#define PC_PCMSK1 PCMSK1
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#else
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/* UNO */
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#define PIN_CHG_PORT_NB 3
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#define DigitalPinToPortIdx(p) (((p) <= 7) ? (2) : (((p) <= 13) ? (0) : (((p) <= 21) ? (1) : (0))))
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#define PC_PIN0 PINB
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#define PC_PCMSK0 PCMSK0
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#define PC_PIN1 PINC
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#define PC_PCMSK1 PCMSK1
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#define PC_PIN2 PIND
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#define PC_PCMSK2 PCMSK2
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#endif
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#endif
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#endif
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#endif
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void TinyPinChange_Init(void);
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int8_t TinyPinChange_RegisterIsr(uint8_t Pin, void(*Isr)(void));
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void TinyPinChange_EnablePin(uint8_t Pin);
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void TinyPinChange_DisablePin(uint8_t Pin);
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uint8_t TinyPinChange_GetPortEvent(uint8_t VirtualPortIdx);
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uint8_t TinyPinChange_GetCurPortSt(uint8_t VirtualPortIdx);
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#define TinyPinChange_PinToMsk(Pin) _BV(digitalPinToPCMSKbit(Pin))
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#define TinyPinChange_Edge(VirtualPortIdx, Pin) ( TinyPinChange_GetPortEvent((VirtualPortIdx)) & TinyPinChange_PinToMsk((Pin)) )
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#define TinyPinChange_RisingEdge(VirtualPortIdx, Pin) ( TinyPinChange_GetPortEvent((VirtualPortIdx)) & TinyPinChange_PinToMsk((Pin)) & TinyPinChange_GetCurPortSt((VirtualPortIdx)) )
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#define TinyPinChange_FallingEdge(VirtualPortIdx, Pin) ( TinyPinChange_GetPortEvent((VirtualPortIdx)) & TinyPinChange_PinToMsk((Pin)) & (TinyPinChange_GetCurPortSt((VirtualPortIdx) ^ 0xFF)) )
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/*******************************************************/
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/* Application Programming Interface (API) en Francais */
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/*******************************************************/
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/* Methodes en Francais English native methods */
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#define TinyPinChange_EnregistreFonctionInterruption TinyPinChange_RegisterIsr
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#define TinyPinChange_ActiveBroche TinyPinChange_EnablePin
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#define TinyPinChange_DesactiveBroche TinyPinChange_DisablePin
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#define TinyPinChange_RetourneEvenemenPort TinyPinChange_GetPortEvent
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#define TinyPinChange_RetourneEtatCourantPort TinyPinChange_GetCurPortSt
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#define TinyPinChange_MasqueDeBroche TinyPinChange_PinToMsk
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#define TinyPinChange_Front TinyPinChange_Edge
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#define TinyPinChange_FrontMontant TinyPinChange_RisingEdge
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#define TinyPinChange_FrontDescendant TinyPinChange_FallingEdge
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#endif
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