Atmel BLDC Sensorless on ATAVRMC100: uart

00001 /*H**************************************************************************
00002 * $RCSfile: uart_bdr.h,v $
00003 *----------------------------------------------------------------------------
00004 * Copyright (c) 2003 Atmel.
00005 *----------------------------------------------------------------------------
00006 * RELEASE:      $Name: mc100_bldc_sensorless_0_1_0 $
00007 * REVISION:     $Revision: 1.5.2.3 $
00008 * FILE_CVSID:   $Id: uart_bdr.h,v 1.5.2.3 2006/05/05 16:56:14 rletendu Exp $
00009 *----------------------------------------------------------------------------
00010 * PURPOSE:
00011 * Provide Baudrate configuration for MCU
00012 *****************************************************************************/
00013 #ifndef _UART_BDR_H
00014 #define _UART_BDR_H
00015 
00016 #ifndef AVRGCC
00017    #define Uart_set_baudrate(bdr)  ( UBRRH = (Uchar)((((Uint32)FOSC*1000L)/((Uint32)bdr*16)-1)>>8),\
00018                                   UBRRL = (Uchar)(((Uint32)FOSC*1000 )/((Uint32)bdr*16)-1)    )
00019 #else
00020   #define Uart_set_baudrate(bdr)  ( UBRR = (U16)(((U32)FOSC*1000L)/((U32)bdr*16)-1))
00021 #endif
00022 
00023 #define Uart_double_bdr()          (UCSRA |= (1<<U2X1))
00024 
00025 #endif/* _UART_BDR_H */
00026