Форум РадиоКот

Код: Выделить всё

USART0_RXC ; USART0 RX Complete Handler
USART0_DRE ; USART0,UDR Empty Handler
USART0_TXC ; USART0 TX Complete Handler

Код: Выделить всё

;--------------------------------------------------------
; Set baud rate
ldi temp0, 51
ldi temp1, 0
out UBRRL, temp0
out UBRRH, temp1
; Enable receiver and transmitter, Rx int-t enable, TX int-t enable, UDR empt int-t enable.
ldi temp0, (1<<UDRIE)|(1<<TXCIE)|(1<<RXCIE)|(1<<RXEN)|(1<<TXEN)
out UCSRB, temp0
; Set frame format: 8data, 1stop bit
ldi temp0, (0<<USBS)|(3<<UCSZ0)
out UCSRC, temp0
;--------------------------------------------------------

Код: Выделить всё

//**************************************************************************
extern "C" __declspec (dllexport) bool DXCOM::Open(int port, int baud, int rttm, int rttc, int wttm, int wttc)
{
	char COM_string[20];
	sprintf(COM_string,"\\\\.\\COM%d", port);

	m_hFile = CreateFile(COM_string, GENERIC_READ|GENERIC_WRITE, 0, NULL,						
	   OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL,NULL);
	

	if(m_hFile == INVALID_HANDLE_VALUE)
	{				
		return false;
	}


	DCB dcb;
	GetCommState(m_hFile, &dcb);

	COMMTIMEOUTS CommTimeOuts;
	CommTimeOuts.ReadIntervalTimeout		 = MAXDWORD;
	CommTimeOuts.ReadTotalTimeoutMultiplier  = rttm;
	CommTimeOuts.ReadTotalTimeoutConstant    = rttc;
	CommTimeOuts.WriteTotalTimeoutMultiplier = wttm;
	CommTimeOuts.WriteTotalTimeoutConstant   = wttc;

	SetCommTimeouts(m_hFile, &CommTimeOuts);


 	memset(&dcb,0,sizeof(dcb));
 	dcb.DCBlength = sizeof(DCB);
 	GetCommState(m_hFile, &dcb);
 	dcb.BaudRate = DWORD(baud);
 	dcb.ByteSize = 8;
 	dcb.Parity = NOPARITY;
 	dcb.StopBits = ONESTOPBIT;
 	dcb.fAbortOnError = TRUE;
 	dcb.fDtrControl = DTR_CONTROL_DISABLE;
 	dcb.fRtsControl = RTS_CONTROL_DISABLE;
 	dcb.fBinary = TRUE;
 	dcb.fParity = FALSE;
 	dcb.fInX = dcb.fOutX = FALSE;
 	dcb.XonChar = 'b';
 	dcb.XoffChar = 'd';
 	dcb.fErrorChar = FALSE;
 	dcb.fNull = FALSE;
 	dcb.fOutxCtsFlow = FALSE;
 	dcb.fOutxDsrFlow = FALSE;
 	dcb.XonLim = 128;
 	dcb.XoffLim = 128;

	SetCommState(m_hFile, &dcb);

	this->state = true;
	return true;	
}