314 lines
7.9 KiB
C++
314 lines
7.9 KiB
C++
/*
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* Copyright (c) by BlackMark 2015-2019
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* Date 02/01/2019
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* Version 3.1
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*/
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#ifndef INOUT_H
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#define INOUT_H
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//////////////////////////////////////////////////////////////////////////
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#include <stdint.h>
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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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#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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#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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#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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#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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#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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#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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#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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#endif
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enum class Pin
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{
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#if AVR_DIP40
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A0 = 0x00,
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A1 = 0x01,
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A2 = 0x02,
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A3 = 0x03,
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A4 = 0x04,
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A5 = 0x05,
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A6 = 0x06,
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A7 = 0x07,
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#endif
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#if AVR_DIP40 || AVR_DIP28 || AVR_DIP8
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B0 = 0x10,
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B1 = 0x11,
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B2 = 0x12,
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B3 = 0x13,
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B4 = 0x14,
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B5 = 0x15,
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#endif
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#if AVR_DIP40 || AVR_DIP28
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B6 = 0x16,
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B7 = 0x17,
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C0 = 0x20,
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C1 = 0x21,
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C2 = 0x22,
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C3 = 0x23,
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C4 = 0x24,
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C5 = 0x25,
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C6 = 0x26,
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#endif
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#if AVR_DIP40
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C7 = 0x27,
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#endif
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#if AVR_DIP40 || AVR_DIP28
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D0 = 0x30,
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D1 = 0x31,
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D2 = 0x32,
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D3 = 0x33,
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D4 = 0x34,
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D5 = 0x35,
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D6 = 0x36,
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D7 = 0x37,
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#endif
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};
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enum class Port
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{
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#if AVR_DIP40
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A = Pin::A0,
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#endif
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#if AVR_DIP40 || AVR_DIP28 || AVR_DIP8
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B = Pin::B0,
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#endif
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#if AVR_DIP40 || AVR_DIP28
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C = Pin::C0,
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D = Pin::D0,
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#endif
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};
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enum class Dir
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{
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IN,
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OUT
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};
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enum class Type
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{
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DDR,
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PIN,
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PORT
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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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switch( ui8Port )
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{
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case 0:
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{
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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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}
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case 1:
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{
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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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}
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case 2:
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{
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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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}
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case 3:
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{
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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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}
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}
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return vpui8Port;
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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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template<InOut::Pin enmPin>
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class InOutPin
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{
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public:
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static inline void direction( InOut::Dir enmDir ) __attribute__( (always_inline) );
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static inline void pullup( 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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static inline void toggle() __attribute__( (always_inline) );
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};
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//////////////////////////////////////////////////////////////////////////
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template<InOut::Pin enmPin>
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inline void InOutPin<enmPin>::direction( 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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*vpui8DDR &= ~( 1 << ui8Pin );
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}
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//////////////////////////////////////////////////////////////////////////
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template<InOut::Pin enmPin>
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inline void InOutPin<enmPin>::pullup( bool bPullup )
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{
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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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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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else
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*vpui8PORT &= ~( 1 << ui8Pin );
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}
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//////////////////////////////////////////////////////////////////////////
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template<InOut::Pin enmPin>
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inline void InOutPin<enmPin>::toggle()
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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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*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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public:
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static inline void direction( InOut::Dir enmDir ) __attribute__( (always_inline) );
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static inline void pullup( bool bPullup ) __attribute__( (always_inline) );
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static inline uint8_t read() __attribute__( (always_inline) );
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static inline void write( uint8_t ui8Value ) __attribute__( (always_inline) );
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};
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//////////////////////////////////////////////////////////////////////////
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template<InOut::Port enmPort>
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inline void InOutPort<enmPort>::direction( InOut::Dir enmDir )
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{
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constexpr volatile uint8_t *vpui8DDR = InOut::getPort( static_cast<InOut::Pin>( enmPort ), InOut::Type::DDR );
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*vpui8DDR = ( enmDir == InOut::Dir::OUT ) ? 0xFF : 0x00;
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}
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//////////////////////////////////////////////////////////////////////////
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template<InOut::Port enmPort>
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inline void InOutPort<enmPort>::pullup( bool bPullup )
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{
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write( bPullup ? 0xFF : 0x00 );
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}
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//////////////////////////////////////////////////////////////////////////
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template<InOut::Port enmPort>
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inline uint8_t InOutPort<enmPort>::read()
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{
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constexpr volatile uint8_t *vpui8PIN = InOut::getPort( static_cast<InOut::Pin>( enmPort ), InOut::Type::PIN );
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return *vpui8PIN;
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}
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//////////////////////////////////////////////////////////////////////////
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template<InOut::Port enmPort>
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inline void InOutPort<enmPort>::write( uint8_t ui8Value )
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{
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constexpr volatile uint8_t *vpui8PORT = InOut::getPort( static_cast<InOut::Pin>( enmPort ), InOut::Type::PORT );
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*vpui8PORT = ui8Value;
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}
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#endif |