520 lines
12 KiB
C++
520 lines
12 KiB
C++
#include "USART.h"
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//////////////////////////////////////////////////////////////////////////
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uint8_t USART0::readUCSRC()
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{
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uint8_t ui8UCSRC;
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#ifdef USART_SHAREDIO
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ui8UCSRC = UBRRH;
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ui8UCSRC = UCSRC;
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#else
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ui8UCSRC = *m_vui8pUCSRC;
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#endif
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return ui8UCSRC;
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}
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//////////////////////////////////////////////////////////////////////////
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void USART0::setUCSRC( uint8_t ui8UCSRC )
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{
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#ifdef USART_SHAREDIO
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*m_vui8pUCSRC = ( 1 << URSEL ) | ui8UCSRC;
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#else
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*m_vui8pUCSRC = ui8UCSRC;
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#endif
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}
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//////////////////////////////////////////////////////////////////////////
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void USART0::setRXState( bool bEnable )
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{
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if( bEnable )
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{
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*m_vui8pUCSRB |= ( 1 << RXEN_D );
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}
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else
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{
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*m_vui8pUCSRB &= ~( 1 << RXEN_D );
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}
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}
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//////////////////////////////////////////////////////////////////////////
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void USART0::setTXState( bool bEnable )
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{
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if( bEnable )
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{
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*m_vui8pUCSRB |= ( 1 << TXEN_D );
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}
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else
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{
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*m_vui8pUCSRB &= ~( 1 << TXEN_D );
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}
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}
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//////////////////////////////////////////////////////////////////////////
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void USART0::setBaudRate( uint32_t ui32BaudRate )
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{
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uint16_t ui16UBRR = ( ( F_CPU / ( 16 * ui32BaudRate ) ) - 1 );
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*m_vui8pUBRRH = static_cast<uint8_t>( ui16UBRR >> 8 );
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*m_vui8pUBRRL = static_cast<uint8_t>( ui16UBRR );
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}
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//////////////////////////////////////////////////////////////////////////
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void USART0::setDataBits( uint8_t ui8DataBits )
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{
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uint8_t ui8UCSRC = readUCSRC();
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if( ui8DataBits < 5 )
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{
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ui8DataBits = 5;
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}
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else if( ui8DataBits > 9 )
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{
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ui8DataBits = 9;
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}
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if( ui8DataBits <= 8 )
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{
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bool bZeroBit = ( ui8DataBits - 5 ) & 1;
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bool bOneBit = ( ( ui8DataBits - 5 ) >> 1 ) & 1;
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if( bZeroBit )
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{
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ui8UCSRC |= ( 1 << UCSZ0_D );
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}
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else
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{
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ui8UCSRC &= ~( 1 << UCSZ0_D );
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}
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if( bOneBit )
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{
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ui8UCSRC |= ( 1 << UCSZ1_D );
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}
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else
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{
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ui8UCSRC &= ~( 1 << UCSZ1_D );
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}
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*m_vui8pUCSRB &= ~( 1 << UCSZ2_D );
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}
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else
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{
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ui8UCSRC |= ( 1 << UCSZ1_D ) | ( 1 << UCSZ0_D );
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*m_vui8pUCSRB |= ( 1 << UCSZ2_D );
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}
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setUCSRC( ui8UCSRC );
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}
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//////////////////////////////////////////////////////////////////////////
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void USART0::setParity( Parity enmParity )
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{
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uint8_t ui8UCSRC = readUCSRC();
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if( enmParity == Parity::DISABLED )
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{
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ui8UCSRC &= ~( ( 1 << UPM1_D ) | ( 1 << UPM0_D ) );
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}
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else if( enmParity == Parity::ODD )
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{
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ui8UCSRC |= ( ( 1 << UPM1_D ) | ( 1 << UPM0_D ) );
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}
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else if( enmParity == Parity::EVEN )
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{
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ui8UCSRC &= ~( ( 1 << UPM0_D ) );
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ui8UCSRC |= ( ( 1 << UPM1_D ) );
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}
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setUCSRC( ui8UCSRC );
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}
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//////////////////////////////////////////////////////////////////////////
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void USART0::setStopBits( StopBit enmStopBits )
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{
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uint8_t ui8UCSRC = readUCSRC();
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if( enmStopBits == StopBit::ONE )
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{
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ui8UCSRC &= ~( 1 << USBS_D );
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}
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else if( enmStopBits == StopBit::TWO )
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{
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ui8UCSRC |= ( 1 << USBS_D );
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}
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setUCSRC( ui8UCSRC );
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}
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//////////////////////////////////////////////////////////////////////////
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void USART0::setMode( Mode enmMode )
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{
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uint8_t ui8UCSRC = readUCSRC();
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#ifdef USART_SPI
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if( enmMode == Mode::ASYNCHRONOUS )
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{
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ui8UCSRC &= ~( ( 1 << UMSEL1_D ) | ( 1 << UMSEL0_D ) );
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}
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else if( enmMode == Mode::SYNCHRONOUS )
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{
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ui8UCSRC &= ~( 1 << UMSEL1_D );
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ui8UCSRC |= ( 1 << UMSEL0_D );
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}
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else if( enmMode == Mode::MASTERSPI )
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{
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ui8UCSRC |= ( ( 1 << UMSEL1_D ) | ( 1 << UMSEL0_D ) );
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}
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#else
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if( enmMode == Mode::ASYNCHRONOUS )
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{
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ui8UCSRC &= ~( 1 << UMSEL_D );
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}
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else if( enmMode == Mode::SYNCHRONOUS )
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{
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ui8UCSRC |= ( 1 << UMSEL_D );
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}
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#endif
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setUCSRC( ui8UCSRC );
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}
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//////////////////////////////////////////////////////////////////////////
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USART0::USART0()
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{
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#ifdef USART_SHAREDIO
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m_vui8pUCSRA = &UCSRA;
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m_vui8pUCSRB = &UCSRB;
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m_vui8pUCSRC = &UCSRC;
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m_vui8pUBRRH = &UBRRH;
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m_vui8pUBRRL = &UBRRL;
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m_vui8pUDR = &UDR;
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#endif
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#ifndef USART_SHAREDIO
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m_vui8pUCSRA = &UCSR0A;
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m_vui8pUCSRB = &UCSR0B;
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m_vui8pUCSRC = &UCSR0C;
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m_vui8pUBRRH = &UBRR0H;
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m_vui8pUBRRL = &UBRR0L;
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m_vui8pUDR = &UDR0;
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#endif
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}
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//////////////////////////////////////////////////////////////////////////
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USART0::~USART0()
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{}
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//////////////////////////////////////////////////////////////////////////
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void USART0::init( uint32_t ui32BaudRate /* = 9600 */, uint8_t ui8DataBits /* = 8 */, Parity enmParity /* = Parity::DISABLED */, StopBit enmStopBits /* = StopBit::ONE */, Mode enmMode /* = Mode::ASYNCHRONOUS */ )
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{
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setBaudRate( ui32BaudRate );
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setDataBits( ui8DataBits );
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setParity( enmParity );
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setStopBits( enmStopBits );
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setMode( enmMode );
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setRXState( true );
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setTXState( true );
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}
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//////////////////////////////////////////////////////////////////////////
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bool USART0::receiveByte( unsigned char &chData, uint32_t ui32DelayMS )
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{
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const uint8_t ui8ClockCyclesPerIteration = 6;
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double dDelayS = ui32DelayMS / 1000.0;
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uint32_t ui32Iterations = static_cast<uint32_t>( ( dDelayS * F_CPU ) / ui8ClockCyclesPerIteration );
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do
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{
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if( ( *m_vui8pUCSRA & ( 1 << RXC_D ) ) )
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{
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chData = *m_vui8pUDR;
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return true;
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}
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} while( --ui32Iterations > 0 );
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return false;
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}
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//////////////////////////////////////////////////////////////////////////
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unsigned char USART0::receiveByte()
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{
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while( !( *m_vui8pUCSRA & ( 1 << RXC_D ) ) );
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return *m_vui8pUDR;
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}
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//////////////////////////////////////////////////////////////////////////
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string USART0::receiveLine( string strLineTerminator /* = "\r\n" */, size_t sizeMaxSize /* = 1024 */ )
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{
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string strReceived;
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while( strReceived.length() < sizeMaxSize )
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{
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strReceived += receiveByte();
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size_t sizeLineTerminator = strReceived.rfind( strLineTerminator );
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if( sizeLineTerminator != string::npos )
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{
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strReceived = strReceived.substr( 0, sizeLineTerminator );
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break;
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}
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}
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return strReceived;
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}
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//////////////////////////////////////////////////////////////////////////
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void USART0::receive( char &chReceived )
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{
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chReceived = receiveByte();
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}
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//////////////////////////////////////////////////////////////////////////
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void USART0::receive( unsigned char &uchReceived )
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{
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uchReceived = receiveByte();
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}
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//////////////////////////////////////////////////////////////////////////
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void USART0::receive( short int &shiReceived )
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{
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long int liInput;
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receive( liInput );
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shiReceived = static_cast<short int>( liInput );
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}
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//////////////////////////////////////////////////////////////////////////
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void USART0::receive( unsigned short int &ushiReceived )
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{
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unsigned long int uliInput;
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receive( uliInput );
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ushiReceived = static_cast<unsigned short int>( uliInput );
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}
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//////////////////////////////////////////////////////////////////////////
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void USART0::receive( int &iReceived )
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{
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long int liInput;
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receive( liInput );
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iReceived = static_cast<int>( liInput );
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}
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//////////////////////////////////////////////////////////////////////////
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void USART0::receive( unsigned int &uiReceived )
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{
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unsigned long int uliInput;
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receive( uliInput );
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uiReceived = static_cast<unsigned int>( uliInput );
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}
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//////////////////////////////////////////////////////////////////////////
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void USART0::receive( long int &liReceived )
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{
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string strInput;
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unsigned char uchRead;
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while( !isspace( uchRead = receiveByte() ) )
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{
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strInput += uchRead;
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}
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liReceived = strtol( strInput.c_str(), nullptr, 10 );
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}
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//////////////////////////////////////////////////////////////////////////
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void USART0::receive( unsigned long int &uliReceived )
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{
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string strInput;
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unsigned char uchRead;
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while( !isspace( uchRead = receiveByte() ) )
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{
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strInput += uchRead;
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}
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uliReceived = strtoul( strInput.c_str(), nullptr, 10 );
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}
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//////////////////////////////////////////////////////////////////////////
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void USART0::receive( long long int &lliReceived )
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{
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long int liInput;
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receive( liInput );
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lliReceived = liInput;
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}
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//////////////////////////////////////////////////////////////////////////
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void USART0::receive( unsigned long long int &ulliReceived )
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{
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unsigned long int uliInput;
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receive( uliInput );
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ulliReceived = uliInput;
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}
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//////////////////////////////////////////////////////////////////////////
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void USART0::receive( float &fReceived )
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{
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double dInput;
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receive( dInput );
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fReceived = dInput;
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}
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//////////////////////////////////////////////////////////////////////////
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void USART0::receive( double &dReceived )
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{
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string strInput;
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unsigned char uchRead;
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while( !isspace( uchRead = receiveByte() ) )
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{
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strInput += uchRead;
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}
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dReceived = strtod( strInput.c_str(), nullptr );
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}
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//////////////////////////////////////////////////////////////////////////
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void USART0::receive( long double &ldReceived )
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{
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double dInput;
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receive( dInput );
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ldReceived = dInput;
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}
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//////////////////////////////////////////////////////////////////////////
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void USART0::transmitByte( unsigned char byteData )
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{
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while( !( *m_vui8pUCSRA & ( 1 << UDRE_D ) ) );
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*m_vui8pUDR = byteData;
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}
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//////////////////////////////////////////////////////////////////////////
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void USART0::transmit( string strData )
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{
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for( size_t i = 0; i < strData.length(); ++i )
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{
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transmitByte( strData[i] );
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}
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}
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//////////////////////////////////////////////////////////////////////////
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void USART0::transmit( char chData )
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{
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transmitByte( chData );
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}
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//////////////////////////////////////////////////////////////////////////
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void USART0::transmit( unsigned char uchData )
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{
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sprintf( m_szConvertBuffer, "%hhu", uchData );
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transmit( m_szConvertBuffer );
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}
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//////////////////////////////////////////////////////////////////////////
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void USART0::transmit( short int shiData )
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{
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sprintf( m_szConvertBuffer, "%hd", shiData );
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transmit( m_szConvertBuffer );
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}
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//////////////////////////////////////////////////////////////////////////
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void USART0::transmit( unsigned short int ushiData )
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{
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sprintf( m_szConvertBuffer, "%hu", ushiData );
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transmit( m_szConvertBuffer );
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}
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//////////////////////////////////////////////////////////////////////////
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void USART0::transmit( int iData )
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{
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sprintf( m_szConvertBuffer, "%d", iData );
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transmit( m_szConvertBuffer );
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}
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//////////////////////////////////////////////////////////////////////////
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void USART0::transmit( unsigned int uiData )
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{
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sprintf( m_szConvertBuffer, "%u", uiData );
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transmit( m_szConvertBuffer );
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}
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//////////////////////////////////////////////////////////////////////////
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void USART0::transmit( long int liData )
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{
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sprintf( m_szConvertBuffer, "%ld", liData );
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transmit( m_szConvertBuffer );
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}
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//////////////////////////////////////////////////////////////////////////
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void USART0::transmit( unsigned long int uliData )
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{
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sprintf( m_szConvertBuffer, "%lu", uliData );
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transmit( m_szConvertBuffer );
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}
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//////////////////////////////////////////////////////////////////////////
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void USART0::transmit( long long int lliData )
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{
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sprintf( m_szConvertBuffer, "%lld", lliData );
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transmit( m_szConvertBuffer );
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}
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//////////////////////////////////////////////////////////////////////////
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void USART0::transmit( unsigned long long int ulliData )
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{
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sprintf( m_szConvertBuffer, "%llu", ulliData );
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transmit( m_szConvertBuffer );
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}
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//////////////////////////////////////////////////////////////////////////
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void USART0::transmit( float fData )
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{
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sprintf( m_szConvertBuffer, "%f", static_cast<double>( fData ) );
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transmit( m_szConvertBuffer );
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}
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//////////////////////////////////////////////////////////////////////////
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void USART0::transmit( double dData )
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{
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sprintf( m_szConvertBuffer, "%f", dData );
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transmit( m_szConvertBuffer );
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}
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//////////////////////////////////////////////////////////////////////////
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void USART0::transmit( long double ldData )
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{
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sprintf( m_szConvertBuffer, "%f", static_cast<double>( ldData ) );
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transmit( m_szConvertBuffer );
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}
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#ifdef SECOND_USART
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//////////////////////////////////////////////////////////////////////////
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USART1::USART1()
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{
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m_vui8pUCSRA = &UCSR1A;
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m_vui8pUCSRB = &UCSR1B;
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m_vui8pUCSRC = &UCSR1C;
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m_vui8pUBRRH = &UBRR1H;
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m_vui8pUBRRL = &UBRR1L;
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m_vui8pUDR = &UDR1;
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}
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//////////////////////////////////////////////////////////////////////////
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USART1::~USART1()
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{}
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#endif |