uart/USART/USART.cpp
2016-05-19 21:43:10 +02:00

586 lines
14 KiB
C++

#include "USART.h"
//////////////////////////////////////////////////////////////////////////
uint8_t USART0::readUCSRC()
{
uint8_t ui8UCSRC;
#ifdef USART_SHAREDIO
ui8UCSRC = UBRRH;
ui8UCSRC = UCSRC;
#else
ui8UCSRC = *m_vui8pUCSRC;
#endif
return ui8UCSRC;
}
//////////////////////////////////////////////////////////////////////////
void USART0::setUCSRC( uint8_t ui8UCSRC )
{
#ifdef USART_SHAREDIO
*m_vui8pUCSRC = ( 1 << URSEL ) | ui8UCSRC;
#else
*m_vui8pUCSRC = ui8UCSRC;
#endif
}
//////////////////////////////////////////////////////////////////////////
void USART0::setRXState( bool bEnable )
{
if( bEnable )
{
*m_vui8pUCSRB |= ( 1 << m_ui8RXEN );
}
else
{
*m_vui8pUCSRB &= ~( 1 << m_ui8RXEN );
}
}
//////////////////////////////////////////////////////////////////////////
void USART0::setTXState( bool bEnable )
{
if( bEnable )
{
*m_vui8pUCSRB |= ( 1 << m_ui8TXEN );
}
else
{
*m_vui8pUCSRB &= ~( 1 << m_ui8TXEN );
}
}
//////////////////////////////////////////////////////////////////////////
void USART0::setBaudRate( uint32_t ui32BaudRate )
{
uint16_t ui16UBRR = ( ( F_CPU / ( 16 * ui32BaudRate ) ) - 1 );
*m_vui8pUBRRH = static_cast<uint8_t>( ui16UBRR >> 8 );
*m_vui8pUBRRL = static_cast<uint8_t>( ui16UBRR );
}
//////////////////////////////////////////////////////////////////////////
void USART0::setDataBits( uint8_t ui8DataBits )
{
uint8_t ui8UCSRC = readUCSRC();
if( ui8DataBits < 5 )
{
ui8DataBits = 5;
}
else if( ui8DataBits > 9 )
{
ui8DataBits = 9;
}
if( ui8DataBits <= 8 )
{
bool bZeroBit = ( ui8DataBits - 5 ) & 1;
bool bOneBit = ( ( ui8DataBits - 5 ) >> 1 ) & 1;
if( bZeroBit )
{
ui8UCSRC |= ( 1 << m_ui8UCSZ0 );
}
else
{
ui8UCSRC &= ~( 1 << m_ui8UCSZ0 );
}
if( bOneBit )
{
ui8UCSRC |= ( 1 << m_ui8UCSZ1 );
}
else
{
ui8UCSRC &= ~( 1 << m_ui8UCSZ1 );
}
*m_vui8pUCSRB &= ~( 1 << m_ui8UCSZ2 );
}
else
{
ui8UCSRC |= ( 1 << m_ui8UCSZ1 ) | ( 1 << m_ui8UCSZ0 );
*m_vui8pUCSRB |= ( 1 << m_ui8UCSZ2 );
}
setUCSRC( ui8UCSRC );
}
//////////////////////////////////////////////////////////////////////////
void USART0::setParity( Parity enmParity )
{
uint8_t ui8UCSRC = readUCSRC();
if( enmParity == Parity::DISABLED )
{
ui8UCSRC &= ~( ( 1 << m_ui8UPM1 ) | ( 1 << m_ui8UPM0 ) );
}
else if( enmParity == Parity::ODD )
{
ui8UCSRC |= ( ( 1 << m_ui8UPM1 ) | ( 1 << m_ui8UPM0 ) );
}
else if( enmParity == Parity::EVEN )
{
ui8UCSRC &= ~( ( 1 << m_ui8UPM0 ) );
ui8UCSRC |= ( ( 1 << m_ui8UPM1 ) );
}
setUCSRC( ui8UCSRC );
}
//////////////////////////////////////////////////////////////////////////
void USART0::setStopBits( StopBit enmStopBits )
{
uint8_t ui8UCSRC = readUCSRC();
if( enmStopBits == StopBit::ONE )
{
ui8UCSRC &= ~( 1 << m_ui8USBS );
}
else if( enmStopBits == StopBit::TWO )
{
ui8UCSRC |= ( 1 << m_ui8USBS );
}
setUCSRC( ui8UCSRC );
}
//////////////////////////////////////////////////////////////////////////
void USART0::setMode( Mode enmMode )
{
uint8_t ui8UCSRC = readUCSRC();
#ifdef USART_SPI
if( enmMode == Mode::ASYNCHRONOUS )
{
ui8UCSRC &= ~( ( 1 << m_ui8UMSEL1 ) | ( 1 << m_ui8UMSEL0 ) );
}
else if( enmMode == Mode::SYNCHRONOUS )
{
ui8UCSRC &= ~( 1 << m_ui8UMSEL1 );
ui8UCSRC |= ( 1 << m_ui8UMSEL0 );
}
else if( enmMode == Mode::MASTERSPI )
{
ui8UCSRC |= ( ( 1 << m_ui8UMSEL1 ) | ( 1 << m_ui8UMSEL0 ) );
}
#else
if( enmMode == Mode::ASYNCHRONOUS )
{
ui8UCSRC &= ~( 1 << m_ui8UMSEL );
}
else if( enmMode == Mode::SYNCHRONOUS )
{
ui8UCSRC |= ( 1 << m_ui8UMSEL );
}
#endif
setUCSRC( ui8UCSRC );
}
//////////////////////////////////////////////////////////////////////////
USART0::USART0() : USART0( 9600, 8, Parity::DISABLED, StopBit::ONE, Mode::ASYNCHRONOUS )
{}
//////////////////////////////////////////////////////////////////////////
USART0::USART0( uint32_t ui32BaudRate, uint8_t ui8DataBits, Parity enmParity, StopBit enmStopBits, Mode enmMode /* = Mode::ASYNCHRONOUS */ )
{
#ifdef USART_SHAREDIO
m_vui8pUCSRA = &UCSRA;
m_vui8pUCSRB = &UCSRB;
m_vui8pUCSRC = &UCSRC;
m_vui8pUBRRH = &UBRRH;
m_vui8pUBRRL = &UBRRL;
m_vui8pUDR = &UDR;
m_ui8RXEN = RXEN;
m_ui8TXEN = TXEN;
m_ui8UCSZ0 = UCSZ0;
m_ui8UCSZ1 = UCSZ1;
m_ui8UCSZ2 = UCSZ2;
m_ui8UPM0 = UPM0;
m_ui8UPM1 = UPM1;
m_ui8USBS = USBS;
m_ui8RXC = RXC;
m_ui8UDRE = UDRE;
#endif
#ifndef USART_SHAREDIO
m_vui8pUCSRA = &UCSR0A;
m_vui8pUCSRB = &UCSR0B;
m_vui8pUCSRC = &UCSR0C;
m_vui8pUBRRH = &UBRR0H;
m_vui8pUBRRL = &UBRR0L;
m_vui8pUDR = &UDR0;
m_ui8RXEN = RXEN0;
m_ui8TXEN = TXEN0;
m_ui8UCSZ0 = UCSZ00;
m_ui8UCSZ1 = UCSZ01;
m_ui8UCSZ2 = UCSZ02;
m_ui8UPM0 = UPM00;
m_ui8UPM1 = UPM01;
m_ui8USBS = USBS0;
m_ui8RXC = RXC0;
m_ui8UDRE = UDRE0;
#endif
#ifdef USART_SPI
m_ui8UMSEL0 = UMSEL00;
m_ui8UMSEL1 = UMSEL01;
#else
m_ui8UMSEL = UMSEL;
#endif
init( ui32BaudRate, ui8DataBits, enmParity, enmStopBits, enmMode );
}
//////////////////////////////////////////////////////////////////////////
USART0::~USART0()
{}
//////////////////////////////////////////////////////////////////////////
void USART0::init( uint32_t ui32BaudRate, uint8_t ui8DataBits, Parity enmParity, StopBit enmStopBits, Mode enmMode /* = Mode::ASYNCHRONOUS */ )
{
setBaudRate( ui32BaudRate );
setDataBits( ui8DataBits );
setParity( enmParity );
setStopBits( enmStopBits );
setMode( enmMode );
setRXState( true );
setTXState( true );
}
//////////////////////////////////////////////////////////////////////////
bool USART0::receiveByte( unsigned char &chData, uint32_t ui32DelayMS )
{
const uint8_t ui8ClockCyclesPerIteration = 6;
double dDelayS = ui32DelayMS / 1000.0;
uint32_t ui32Iterations = static_cast<uint32_t>( ( dDelayS * F_CPU ) / ui8ClockCyclesPerIteration );
do
{
if( ( *m_vui8pUCSRA & ( 1 << m_ui8RXC ) ) )
{
chData = *m_vui8pUDR;
return true;
}
} while( --ui32Iterations > 0 );
return false;
}
//////////////////////////////////////////////////////////////////////////
unsigned char USART0::receiveByte()
{
while( !( *m_vui8pUCSRA & ( 1 << m_ui8RXC ) ) );
return *m_vui8pUDR;
}
//////////////////////////////////////////////////////////////////////////
string USART0::receiveLine( string strLineTerminator /* = "\r\n" */, size_t sizeMaxSize /* = 1024 */ )
{
string strReceived;
while( strReceived.length() < sizeMaxSize )
{
strReceived += receiveByte();
size_t sizeLineTerminator = strReceived.rfind( strLineTerminator );
if( sizeLineTerminator != string::npos )
{
strReceived = strReceived.substr( 0, sizeLineTerminator );
break;
}
}
return strReceived;
}
//////////////////////////////////////////////////////////////////////////
void USART0::receive( char &chReceived )
{
chReceived = receiveByte();
}
//////////////////////////////////////////////////////////////////////////
void USART0::receive( unsigned char &uchReceived )
{
uchReceived = receiveByte();
}
//////////////////////////////////////////////////////////////////////////
void USART0::receive( short int &shiReceived )
{
long int liInput;
receive( liInput );
shiReceived = static_cast<short int>( liInput );
}
//////////////////////////////////////////////////////////////////////////
void USART0::receive( unsigned short int &ushiReceived )
{
unsigned long int uliInput;
receive( uliInput );
ushiReceived = static_cast<unsigned short int>( uliInput );
}
//////////////////////////////////////////////////////////////////////////
void USART0::receive( int &iReceived )
{
long int liInput;
receive( liInput );
iReceived = static_cast<int>( liInput );
}
//////////////////////////////////////////////////////////////////////////
void USART0::receive( unsigned int &uiReceived )
{
unsigned long int uliInput;
receive( uliInput );
uiReceived = static_cast<unsigned int>( uliInput );
}
//////////////////////////////////////////////////////////////////////////
void USART0::receive( long int &liReceived )
{
string strInput;
unsigned char uchRead;
while( !isspace( uchRead = receiveByte() ) )
{
strInput += uchRead;
}
liReceived = strtol( strInput.c_str(), nullptr, 10 );
}
//////////////////////////////////////////////////////////////////////////
void USART0::receive( unsigned long int &uliReceived )
{
string strInput;
unsigned char uchRead;
while( !isspace( uchRead = receiveByte() ) )
{
strInput += uchRead;
}
uliReceived = strtoul( strInput.c_str(), nullptr, 10 );
}
//////////////////////////////////////////////////////////////////////////
void USART0::receive( long long int &lliReceived )
{
long int liInput;
receive( liInput );
lliReceived = liInput;
}
//////////////////////////////////////////////////////////////////////////
void USART0::receive( unsigned long long int &ulliReceived )
{
unsigned long int uliInput;
receive( uliInput );
ulliReceived = uliInput;
}
//////////////////////////////////////////////////////////////////////////
void USART0::receive( float &fReceived )
{
double dInput;
receive( dInput );
fReceived = dInput;
}
//////////////////////////////////////////////////////////////////////////
void USART0::receive( double &dReceived )
{
string strInput;
unsigned char uchRead;
while( !isspace( uchRead = receiveByte() ) )
{
strInput += uchRead;
}
dReceived = strtod( strInput.c_str(), nullptr );
}
//////////////////////////////////////////////////////////////////////////
void USART0::receive( long double &ldReceived )
{
double dInput;
receive( dInput );
ldReceived = dInput;
}
//////////////////////////////////////////////////////////////////////////
void USART0::transmitByte( unsigned char byteData )
{
while( !( *m_vui8pUCSRA & ( 1 << m_ui8UDRE ) ) );
*m_vui8pUDR = byteData;
}
//////////////////////////////////////////////////////////////////////////
void USART0::transmit( string strData )
{
for( size_t i = 0; i < strData.length(); ++i )
{
transmitByte( strData[i] );
}
}
//////////////////////////////////////////////////////////////////////////
void USART0::transmit( char chData )
{
transmitByte( chData );
}
//////////////////////////////////////////////////////////////////////////
void USART0::transmit( unsigned char uchData )
{
vector<char> vecBuffer( 4 );
sprintf( vecBuffer.data(), "%hhu", uchData );
transmit( vecBuffer.data() );
}
//////////////////////////////////////////////////////////////////////////
void USART0::transmit( short int shiData )
{
vector<char> vecBuffer( 6 );
sprintf( vecBuffer.data(), "%hd", shiData );
transmit( vecBuffer.data() );
}
//////////////////////////////////////////////////////////////////////////
void USART0::transmit( unsigned short int ushiData )
{
vector<char> vecBuffer( 6 );
sprintf( vecBuffer.data(), "%hu", ushiData );
transmit( vecBuffer.data() );
}
//////////////////////////////////////////////////////////////////////////
void USART0::transmit( int iData )
{
vector<char> vecBuffer( 6 );
sprintf( vecBuffer.data(), "%d", iData );
transmit( vecBuffer.data() );
}
//////////////////////////////////////////////////////////////////////////
void USART0::transmit( unsigned int uiData )
{
vector<char> vecBuffer( 6 );
sprintf( vecBuffer.data(), "%u", uiData );
transmit( vecBuffer.data() );
}
//////////////////////////////////////////////////////////////////////////
void USART0::transmit( long int liData )
{
vector<char> vecBuffer( 11 );
sprintf( vecBuffer.data(), "%ld", liData );
transmit( vecBuffer.data() );
}
//////////////////////////////////////////////////////////////////////////
void USART0::transmit( unsigned long int uliData )
{
vector<char> vecBuffer( 11 );
sprintf( vecBuffer.data(), "%lu", uliData );
transmit( vecBuffer.data() );
}
//////////////////////////////////////////////////////////////////////////
void USART0::transmit( long long int lliData )
{
vector<char> vecBuffer( 21 );
sprintf( vecBuffer.data(), "%lld", lliData );
transmit( vecBuffer.data() );
}
//////////////////////////////////////////////////////////////////////////
void USART0::transmit( unsigned long long int ulliData )
{
vector<char> vecBuffer( 21 );
sprintf( vecBuffer.data(), "%llu", ulliData );
transmit( vecBuffer.data() );
}
//////////////////////////////////////////////////////////////////////////
void USART0::transmit( float fData )
{
vector<char> vecBuffer( 64 );
sprintf( vecBuffer.data(), "%f", static_cast<double>( fData ) );
transmit( vecBuffer.data() );
}
//////////////////////////////////////////////////////////////////////////
void USART0::transmit( double dData )
{
vector<char> vecBuffer( 64 );
sprintf( vecBuffer.data(), "%f", dData );
transmit( vecBuffer.data() );
}
//////////////////////////////////////////////////////////////////////////
void USART0::transmit( long double ldData )
{
vector<char> vecBuffer( 64 );
sprintf( vecBuffer.data(), "%f", static_cast<double>( ldData ) );
transmit( vecBuffer.data() );
}
#ifdef SECOND_USART
//////////////////////////////////////////////////////////////////////////
USART1::USART1() : USART1( 9600, 8, Parity::DISABLED, StopBit::ONE, Mode::ASYNCHRONOUS )
{}
//////////////////////////////////////////////////////////////////////////
USART1::USART1( uint32_t ui32BaudRate, uint8_t ui8DataBits, Parity enmParity, StopBit enmStopBits, Mode enmMode /* = Mode::ASYNCHRONOUS */ )
{
m_vui8pUCSRA = &UCSR1A;
m_vui8pUCSRB = &UCSR1B;
m_vui8pUCSRC = &UCSR1C;
m_vui8pUBRRH = &UBRR1H;
m_vui8pUBRRL = &UBRR1L;
m_vui8pUDR = &UDR1;
m_ui8RXEN = RXEN1;
m_ui8TXEN = TXEN1;
m_ui8UCSZ0 = UCSZ10;
m_ui8UCSZ1 = UCSZ11;
m_ui8UCSZ2 = UCSZ12;
m_ui8UPM0 = UPM10;
m_ui8UPM1 = UPM11;
m_ui8USBS = USBS1;
m_ui8RXC = RXC1;
m_ui8UDRE = UDRE1;
m_ui8UMSEL0 = UMSEL10;
m_ui8UMSEL1 = UMSEL11;
init( ui32BaudRate, ui8DataBits, enmParity, enmStopBits, enmMode );
}
//////////////////////////////////////////////////////////////////////////
USART1::~USART1()
{}
#endif