Rewrote interface to make sure port and pin lookup are done at compile time
This commit is contained in:
parent
093c0a6a02
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389
inout.h
389
inout.h
@ -1,7 +1,7 @@
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/*
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* Copyright (c) by BlackMark 2015-2018
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* Date 24/04/2018
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* Version 2.8
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* Date 26/04/2018
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* Version 3.0
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*/
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#ifndef INOUT_H
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@ -12,56 +12,55 @@
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#include <avr/io.h>
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/************************************************************************/
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//////////////////////////////////////////////////////////////////////////
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namespace InOut
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{
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#define AVR_DIP40 defined (__AVR_ATmega32A__) || defined (__AVR_ATmega644P__) || defined (__AVR_ATmega1284P__)
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#define AVR_DIP28 defined (__AVR_ATmega8__) || defined (__AVR_ATmega8A__) || defined (__AVR_ATmega168A__) || defined (__AVR_ATmega328P__)
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#define AVR_DIP8 defined (__AVR_ATtiny13A__) || defined (__AVR_ATtiny85__)
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#if AVR_DIP40
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static constexpr volatile uint8_t *IO_PINA = &PINA;
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static constexpr volatile uint8_t *IO_DDRA = &DDRA;
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static constexpr volatile uint8_t *IO_PORTA = &PORTA;
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static constexpr volatile uint8_t *IO_PINA = &PINA;
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static constexpr volatile uint8_t *IO_DDRA = &DDRA;
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static constexpr volatile uint8_t *IO_PORTA = &PORTA;
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#else
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static constexpr volatile uint8_t *IO_PINA = nullptr;
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static constexpr volatile uint8_t *IO_DDRA = nullptr;
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static constexpr volatile uint8_t *IO_PORTA = nullptr;
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static constexpr volatile uint8_t *IO_PINA = nullptr;
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static constexpr volatile uint8_t *IO_DDRA = nullptr;
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static constexpr volatile uint8_t *IO_PORTA = nullptr;
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#endif
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#if AVR_DIP40 || AVR_DIP28 || AVR_DIP8
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static constexpr volatile uint8_t *IO_PINB = &PINB;
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static constexpr volatile uint8_t *IO_DDRB = &DDRB;
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static constexpr volatile uint8_t *IO_PORTB = &PORTB;
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static constexpr volatile uint8_t *IO_PINB = &PINB;
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static constexpr volatile uint8_t *IO_DDRB = &DDRB;
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static constexpr volatile uint8_t *IO_PORTB = &PORTB;
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#else
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static constexpr volatile uint8_t *IO_PINB = nullptr;
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static constexpr volatile uint8_t *IO_DDRB = nullptr;
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static constexpr volatile uint8_t *IO_PORTB = nullptr;
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static constexpr volatile uint8_t *IO_PINB = nullptr;
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static constexpr volatile uint8_t *IO_DDRB = nullptr;
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static constexpr volatile uint8_t *IO_PORTB = nullptr;
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#endif
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#if AVR_DIP40 || AVR_DIP28
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static constexpr volatile uint8_t *IO_PINC = &PINC;
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static constexpr volatile uint8_t *IO_DDRC = &DDRC;
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static constexpr volatile uint8_t *IO_PORTC = &PORTC;
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static constexpr volatile uint8_t *IO_PINC = &PINC;
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static constexpr volatile uint8_t *IO_DDRC = &DDRC;
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static constexpr volatile uint8_t *IO_PORTC = &PORTC;
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#else
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static constexpr volatile uint8_t *IO_PINC = nullptr;
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static constexpr volatile uint8_t *IO_DDRC = nullptr;
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static constexpr volatile uint8_t *IO_PORTC = nullptr;
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static constexpr volatile uint8_t *IO_PINC = nullptr;
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static constexpr volatile uint8_t *IO_DDRC = nullptr;
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static constexpr volatile uint8_t *IO_PORTC = nullptr;
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#endif
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#if AVR_DIP40 || AVR_DIP28
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static constexpr volatile uint8_t *IO_PIND = &PIND;
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static constexpr volatile uint8_t *IO_DDRD = &DDRD;
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static constexpr volatile uint8_t *IO_PORTD = &PORTD;
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static constexpr volatile uint8_t *IO_PIND = &PIND;
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static constexpr volatile uint8_t *IO_DDRD = &DDRD;
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static constexpr volatile uint8_t *IO_PORTD = &PORTD;
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#else
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static constexpr volatile uint8_t *IO_PIND = nullptr;
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static constexpr volatile uint8_t *IO_DDRD = nullptr;
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static constexpr volatile uint8_t *IO_PORTD = nullptr;
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static constexpr volatile uint8_t *IO_PIND = nullptr;
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static constexpr volatile uint8_t *IO_DDRD = nullptr;
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static constexpr volatile uint8_t *IO_PORTD = nullptr;
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#endif
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/************************************************************************/
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//////////////////////////////////////////////////////////////////////////
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struct InOut
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{
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enum class Pin
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{
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#if AVR_DIP40
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@ -130,36 +129,13 @@ struct InOut
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enum class Type
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{
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PIN,
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DDR,
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PIN,
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PORT
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};
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static constexpr volatile uint8_t* getPort( Pin enmPin, Type enmType );
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static constexpr uint8_t getPin( Pin enmPin );
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static inline void setPinDirection( volatile uint8_t *vpui8Port, uint8_t ui8Pin, Dir enmDir );
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static inline bool readPin( volatile uint8_t *vpui8Port, uint8_t ui8Pin );
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static inline void writePin( volatile uint8_t *vpui8Port, uint8_t ui8Pin, bool bValue );
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static inline void setPortDirection( volatile uint8_t *vpui8Port, Dir enmDir );
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static inline uint8_t readPort( volatile uint8_t *vpui8Port );
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static inline void writePort( volatile uint8_t *vpui8Port, uint8_t ui8Value );
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static inline void setPinDirection( Pin enmPin, Dir enmDir );
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static inline void setPinPullup( Pin enmPin, bool bPullup );
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static inline bool readPin( Pin enmPin );
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static inline void writePin( Pin enmPin, bool bValue );
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static inline void setPortDirection( Port enmPort, Dir enmDir );
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static inline void setPortPullup( Port enmPort, bool bPullup );
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static inline uint8_t readPort( Port enmPort );
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static inline void writePort( Port enmPort, uint8_t ui8Value );
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};
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//////////////////////////////////////////////////////////////////////////
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constexpr volatile uint8_t* InOut::getPort( Pin enmPin, Type enmType )
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{
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constexpr volatile uint8_t* getPort( Pin enmPin, Type enmType )
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{
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volatile uint8_t *vpui8Port = nullptr;
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uint8_t ui8Port = static_cast<uint16_t>( enmPin ) >> 4 & 0x0F;
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@ -167,10 +143,10 @@ constexpr volatile uint8_t* InOut::getPort( Pin enmPin, Type enmType )
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{
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case 0:
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{
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if( enmType == Type::PIN )
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vpui8Port = IO_PINA;
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else if( enmType == Type::DDR )
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if( enmType == Type::DDR )
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vpui8Port = IO_DDRA;
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else if( enmType == Type::PIN )
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vpui8Port = IO_PINA;
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else if( enmType == Type::PORT )
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vpui8Port = IO_PORTA;
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break;
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@ -178,10 +154,10 @@ constexpr volatile uint8_t* InOut::getPort( Pin enmPin, Type enmType )
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case 1:
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{
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if( enmType == Type::PIN )
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vpui8Port = IO_PINB;
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else if( enmType == Type::DDR )
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if( enmType == Type::DDR )
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vpui8Port = IO_DDRB;
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else if( enmType == Type::PIN )
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vpui8Port = IO_PINB;
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else if( enmType == Type::PORT )
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vpui8Port = IO_PORTB;
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break;
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@ -189,10 +165,10 @@ constexpr volatile uint8_t* InOut::getPort( Pin enmPin, Type enmType )
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case 2:
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{
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if( enmType == Type::PIN )
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vpui8Port = IO_PINC;
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else if( enmType == Type::DDR )
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if( enmType == Type::DDR )
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vpui8Port = IO_DDRC;
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else if( enmType == Type::PIN )
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vpui8Port = IO_PINC;
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else if( enmType == Type::PORT )
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vpui8Port = IO_PORTC;
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break;
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@ -200,10 +176,10 @@ constexpr volatile uint8_t* InOut::getPort( Pin enmPin, Type enmType )
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case 3:
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{
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if( enmType == Type::PIN )
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vpui8Port = IO_PIND;
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else if( enmType == Type::DDR )
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if( enmType == Type::DDR )
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vpui8Port = IO_DDRD;
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else if( enmType == Type::PIN )
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vpui8Port = IO_PIND;
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else if( enmType == Type::PORT )
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vpui8Port = IO_PORTD;
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break;
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@ -211,254 +187,131 @@ constexpr volatile uint8_t* InOut::getPort( Pin enmPin, Type enmType )
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}
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return vpui8Port;
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}
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}
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//////////////////////////////////////////////////////////////////////////
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constexpr uint8_t InOut::getPin( Pin enmPin )
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{
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constexpr uint8_t getPin( Pin enmPin )
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{
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return static_cast<uint16_t>( enmPin ) & 0x0F;
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}
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}
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/************************************************************************/
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//////////////////////////////////////////////////////////////////////////
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inline void InOut::setPinDirection( volatile uint8_t *vpui8Port, uint8_t ui8Pin, Dir enmDir )
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template<InOut::Pin enmPin>
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class InOutPin
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{
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if( enmDir == Dir::OUT )
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*vpui8Port |= ( 1 << ui8Pin );
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public:
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inline InOutPin() __attribute__( (always_inline) );
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static inline void setDirection( InOut::Dir enmDir ) __attribute__( (always_inline) );
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static inline void setPullup( bool bPullup ) __attribute__( (always_inline) );
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static inline bool read() __attribute__( (always_inline) );
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static inline void write( bool bValue ) __attribute__( (always_inline) );
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};
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//////////////////////////////////////////////////////////////////////////
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template<InOut::Pin enmPin>
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inline InOutPin<enmPin>::InOutPin()
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{}
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//////////////////////////////////////////////////////////////////////////
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template<InOut::Pin enmPin>
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inline void InOutPin<enmPin>::setDirection( InOut::Dir enmDir )
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{
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constexpr volatile uint8_t *vpui8DDR = InOut::getPort( enmPin, InOut::Type::DDR );
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constexpr uint8_t ui8Pin = InOut::getPin( enmPin );
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if( enmDir == InOut::Dir::OUT )
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*vpui8DDR |= ( 1 << ui8Pin );
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else
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*vpui8Port &= ~( 1 << ui8Pin );
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*vpui8DDR &= ~( 1 << ui8Pin );
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}
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//////////////////////////////////////////////////////////////////////////
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inline bool InOut::readPin( volatile uint8_t *vpui8Port, uint8_t ui8Pin )
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template<InOut::Pin enmPin>
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inline void InOutPin<enmPin>::setPullup( bool bPullup )
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{
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if( *vpui8Port >> ui8Pin & 1 )
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write( bPullup );
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}
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//////////////////////////////////////////////////////////////////////////
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template<InOut::Pin enmPin>
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inline bool InOutPin<enmPin>::read()
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{
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constexpr volatile uint8_t *vpui8PIN = InOut::getPort( enmPin, InOut::Type::PIN );
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constexpr uint8_t ui8Pin = InOut::getPin( enmPin );
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if( *vpui8PIN >> ui8Pin & 1 )
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return true;
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return false;
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}
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//////////////////////////////////////////////////////////////////////////
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inline void InOut::writePin( volatile uint8_t *vpui8Port, uint8_t ui8Pin, bool bValue )
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template<InOut::Pin enmPin>
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inline void InOutPin<enmPin>::write( bool bValue )
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{
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constexpr volatile uint8_t *vpui8PORT = InOut::getPort( enmPin, InOut::Type::PORT );
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constexpr uint8_t ui8Pin = InOut::getPin( enmPin );
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if( bValue )
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*vpui8Port |= ( 1 << ui8Pin );
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*vpui8PORT |= ( 1 << ui8Pin );
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else
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*vpui8Port &= ~( 1 << ui8Pin );
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}
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//////////////////////////////////////////////////////////////////////////
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inline void InOut::setPortDirection( volatile uint8_t *vpui8Port, Dir enmDir )
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{
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*vpui8Port = ( enmDir == Dir::OUT ) ? 0xFF : 0x00;
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}
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//////////////////////////////////////////////////////////////////////////
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inline uint8_t InOut::readPort( volatile uint8_t *vpui8Port )
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{
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return *vpui8Port;
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}
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//////////////////////////////////////////////////////////////////////////
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inline void InOut::writePort( volatile uint8_t *vpui8Port, uint8_t ui8Value )
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{
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*vpui8Port = ui8Value;
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}
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//////////////////////////////////////////////////////////////////////////
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inline void InOut::setPinDirection( Pin enmPin, Dir enmDir )
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{
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volatile uint8_t *vpui8PortDir = getPort( enmPin, Type::DDR );
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uint8_t ui8Pin = getPin( enmPin );
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setPinDirection( vpui8PortDir, ui8Pin, enmDir );
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}
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//////////////////////////////////////////////////////////////////////////
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inline void InOut::setPinPullup( Pin enmPin, bool bPullup )
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{
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volatile uint8_t *vpui8PortOut = getPort( enmPin, Type::PORT );
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uint8_t ui8Pin = getPin( enmPin );
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writePin( vpui8PortOut, ui8Pin, bPullup );
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}
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//////////////////////////////////////////////////////////////////////////
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inline bool InOut::readPin( Pin enmPin )
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{
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volatile uint8_t *vpui8Port = getPort( enmPin, Type::PIN );
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uint8_t ui8Pin = getPin( enmPin );
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return readPin( vpui8Port, ui8Pin );
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}
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//////////////////////////////////////////////////////////////////////////
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inline void InOut::writePin( Pin enmPin, bool bValue )
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{
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volatile uint8_t *vpui8Port = getPort( enmPin, Type::PORT );
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uint8_t ui8Pin = getPin( enmPin );
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writePin( vpui8Port, ui8Pin, bValue );
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}
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//////////////////////////////////////////////////////////////////////////
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inline void InOut::setPortDirection( Port enmPort, Dir enmDir )
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{
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volatile uint8_t *vpui8PortDir = getPort( static_cast<Pin>( enmPort ), Type::DDR );
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setPortDirection( vpui8PortDir, enmDir );
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}
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//////////////////////////////////////////////////////////////////////////
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inline void InOut::setPortPullup( Port enmPort, bool bPullup )
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{
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volatile uint8_t *vpui8PortOut = getPort( static_cast<Pin>( enmPort ), Type::PORT );
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writePort( vpui8PortOut, bPullup ? 0xFF : 0x00 );
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}
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//////////////////////////////////////////////////////////////////////////
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inline uint8_t InOut::readPort( Port enmPort )
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{
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volatile uint8_t *vpui8Port = getPort( static_cast<Pin>( enmPort ), Type::PIN );
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return readPort( vpui8Port );
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}
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//////////////////////////////////////////////////////////////////////////
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inline void InOut::writePort( Port enmPort, uint8_t ui8Value )
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{
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volatile uint8_t *vpui8Port = getPort( static_cast<Pin>( enmPort ), Type::PORT );
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writePort( vpui8Port, ui8Value );
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}
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/************************************************************************/
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//////////////////////////////////////////////////////////////////////////
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class InOutPin
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{
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private:
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volatile uint8_t *m_pvui8PIN;
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volatile uint8_t *m_pvui8DDR;
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volatile uint8_t *m_pvui8PORT;
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uint8_t m_ui8Pin;
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public:
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inline InOutPin();
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inline InOutPin( InOut::Pin enmPin );
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inline void setPin( InOut::Pin enmPin );
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inline void setDirection( InOut::Dir enmDir );
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inline void setPullup( bool bPullup );
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inline bool read();
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inline void write( bool bValue );
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};
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//////////////////////////////////////////////////////////////////////////
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inline InOutPin::InOutPin() :
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m_pvui8PIN( nullptr ), m_pvui8DDR( nullptr ), m_pvui8PORT( nullptr ), m_ui8Pin( 0xFF )
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{}
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//////////////////////////////////////////////////////////////////////////
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inline InOutPin::InOutPin( InOut::Pin enmPin ) :
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m_pvui8PIN( InOut::getPort( enmPin, InOut::Type::PIN ) ),
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m_pvui8DDR( InOut::getPort( enmPin, InOut::Type::DDR ) ),
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m_pvui8PORT( InOut::getPort( enmPin, InOut::Type::PORT ) ),
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m_ui8Pin( InOut::getPin( enmPin ) )
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{}
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//////////////////////////////////////////////////////////////////////////
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inline void InOutPin::setPin( InOut::Pin enmPin )
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{
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m_pvui8PIN = InOut::getPort( enmPin, InOut::Type::PIN );
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m_pvui8DDR = InOut::getPort( enmPin, InOut::Type::DDR );
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m_pvui8PORT = InOut::getPort( enmPin, InOut::Type::PORT );
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m_ui8Pin = InOut::getPin( enmPin );
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}
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//////////////////////////////////////////////////////////////////////////
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inline void InOutPin::setDirection( InOut::Dir enmDir )
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{
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InOut::setPinDirection( m_pvui8DDR, m_ui8Pin, enmDir );
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}
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//////////////////////////////////////////////////////////////////////////
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inline void InOutPin::setPullup( bool bPullup )
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{
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InOut::writePin( m_pvui8PORT, m_ui8Pin, bPullup );
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}
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//////////////////////////////////////////////////////////////////////////
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inline bool InOutPin::read()
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{
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return InOut::readPin( m_pvui8PIN, m_ui8Pin );
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}
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//////////////////////////////////////////////////////////////////////////
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inline void InOutPin::write( bool bValue )
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{
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InOut::writePin( m_pvui8PORT, m_ui8Pin, bValue );
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*vpui8PORT &= ~( 1 << ui8Pin );
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}
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/************************************************************************/
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//////////////////////////////////////////////////////////////////////////
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template<InOut::Port enmPort>
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class InOutPort
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{
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private:
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volatile uint8_t *m_pvui8PIN;
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volatile uint8_t *m_pvui8DDR;
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volatile uint8_t *m_pvui8PORT;
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public:
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inline InOutPort();
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inline InOutPort( InOut::Port enmPort );
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inline InOutPort() __attribute__( (always_inline) );
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||||
|
||||
inline void setPort( InOut::Port enmPort );
|
||||
static inline void setDirection( InOut::Dir enmDir ) __attribute__( (always_inline) );
|
||||
static inline void setPullup( bool bPullup ) __attribute__( (always_inline) );
|
||||
|
||||
inline void setDirection( InOut::Dir enmDir );
|
||||
inline void setPullup( bool bPullup );
|
||||
|
||||
inline uint8_t read();
|
||||
inline void write( uint8_t ui8Value );
|
||||
static inline uint8_t read() __attribute__( (always_inline) );
|
||||
static inline void write( uint8_t ui8Value ) __attribute__( (always_inline) );
|
||||
};
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////
|
||||
inline InOutPort::InOutPort() :
|
||||
m_pvui8PIN( nullptr ), m_pvui8DDR( nullptr ), m_pvui8PORT( nullptr )
|
||||
template<InOut::Port enmPort>
|
||||
inline InOutPort<enmPort>::InOutPort()
|
||||
{}
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////
|
||||
inline InOutPort::InOutPort( InOut::Port enmPort ) :
|
||||
m_pvui8PIN( InOut::getPort( static_cast<InOut::Pin>( enmPort ), InOut::Type::PIN ) ),
|
||||
m_pvui8DDR( InOut::getPort( static_cast<InOut::Pin>( enmPort ), InOut::Type::DDR ) ),
|
||||
m_pvui8PORT( InOut::getPort( static_cast<InOut::Pin>( enmPort ), InOut::Type::PORT ) )
|
||||
{}
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////
|
||||
inline void InOutPort::setPort( InOut::Port enmPort )
|
||||
template<InOut::Port enmPort>
|
||||
inline void InOutPort<enmPort>::setDirection( InOut::Dir enmDir )
|
||||
{
|
||||
m_pvui8PIN = InOut::getPort( static_cast<InOut::Pin>( enmPort ), InOut::Type::PIN );
|
||||
m_pvui8DDR = InOut::getPort( static_cast<InOut::Pin>( enmPort ), InOut::Type::DDR );
|
||||
m_pvui8PORT = InOut::getPort( static_cast<InOut::Pin>( enmPort ), InOut::Type::PORT );
|
||||
constexpr volatile uint8_t *vpui8DDR = InOut::getPort( static_cast<InOut::Pin>( enmPort ), InOut::Type::DDR );
|
||||
*vpui8DDR = ( enmDir == InOut::Dir::OUT ) ? 0xFF : 0x00;
|
||||
}
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////
|
||||
inline void InOutPort::setDirection( InOut::Dir enmDir )
|
||||
template<InOut::Port enmPort>
|
||||
inline void InOutPort<enmPort>::setPullup( bool bPullup )
|
||||
{
|
||||
InOut::setPortDirection( m_pvui8DDR, enmDir );
|
||||
write( bPullup ? 0xFF : 0x00 );
|
||||
}
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////
|
||||
inline void InOutPort::setPullup( bool bPullup )
|
||||
template<InOut::Port enmPort>
|
||||
inline uint8_t InOutPort<enmPort>::read()
|
||||
{
|
||||
InOut::writePort( m_pvui8PORT, bPullup ? 0xFF : 0x00 );
|
||||
constexpr volatile uint8_t *vpui8PIN = InOut::getPort( static_cast<InOut::Pin>( enmPort ), InOut::Type::PIN );
|
||||
return *vpui8PIN;
|
||||
}
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////
|
||||
inline uint8_t InOutPort::read()
|
||||
template<InOut::Port enmPort>
|
||||
inline void InOutPort<enmPort>::write( uint8_t ui8Value )
|
||||
{
|
||||
return InOut::readPort( m_pvui8PIN );
|
||||
}
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////
|
||||
inline void InOutPort::write( uint8_t ui8Value )
|
||||
{
|
||||
InOut::writePort( m_pvui8PORT, ui8Value );
|
||||
constexpr volatile uint8_t *vpui8PORT = InOut::getPort( static_cast<InOut::Pin>( enmPort ), InOut::Type::PORT );
|
||||
*vpui8PORT = ui8Value;
|
||||
}
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue
Block a user