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/************************************************************************************
* arch/arm/src/lpc17xx/lpc17_serial.h
*
* Copyright (C) 2010 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
************************************************************************************/
#ifndef __ARCH_ARM_SRC_LPC17XX_LPC17_SERIAL_H
#define __ARCH_ARM_SRC_LPC17XX_LPC17_SERIAL_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#include <arch/board/board.h>
#include "lpc17_uart.h"
#include "lpc17_syscon.h"
/************************************************************************************
* Pre-processor Definitions
************************************************************************************/
/* Configuration *********************************************************************/
/* Are any UARTs enabled? */
#undef HAVE_UART
#if defined(CONFIG_LPC17_UART0) || defined(CONFIG_LPC17_UART1) || \
defined(CONFIG_LPC17_UART2) || defined(CONFIG_LPC17_UART3)
# define HAVE_UART 1
#endif
/* Is there a serial console? There should be at most one defined. It could be on
* any UARTn, n=0,1,2,3
*/
#if defined(CONFIG_UART0_SERIAL_CONSOLE) && defined(CONFIG_LPC17_UART0)
# undef CONFIG_UART1_SERIAL_CONSOLE
# undef CONFIG_UART2_SERIAL_CONSOLE
# undef CONFIG_UART3_SERIAL_CONSOLE
# define HAVE_CONSOLE 1
#elif defined(CONFIG_UART1_SERIAL_CONSOLE) && defined(CONFIG_LPC17_UART1)
# undef CONFIG_UART0_SERIAL_CONSOLE
# undef CONFIG_UART2_SERIAL_CONSOLE
# undef CONFIG_UART3_SERIAL_CONSOLE
# define HAVE_CONSOLE 1
#elif defined(CONFIG_UART2_SERIAL_CONSOLE) && defined(CONFIG_LPC17_UART2)
# undef CONFIG_UART0_SERIAL_CONSOLE
# undef CONFIG_UART1_SERIAL_CONSOLE
# undef CONFIG_UART3_SERIAL_CONSOLE
# define HAVE_CONSOLE 1
#elif defined(CONFIG_UART3_SERIAL_CONSOLE) && defined(CONFIG_LPC17_UART3)
# undef CONFIG_UART0_SERIAL_CONSOLE
# undef CONFIG_UART1_SERIAL_CONSOLE
# undef CONFIG_UART2_SERIAL_CONSOLE
# define HAVE_CONSOLE 1
#else
# undef CONFIG_UART0_SERIAL_CONSOLE
# undef CONFIG_UART1_SERIAL_CONSOLE
# undef CONFIG_UART2_SERIAL_CONSOLE
# undef CONFIG_UART3_SERIAL_CONSOLE
# undef HAVE_CONSOLE
#endif
/* Check UART flow control (Only supported by UART1) */
# undef CONFIG_UART0_FLOWCONTROL
# undef CONFIG_UART2_FLOWCONTROL
# undef CONFIG_UART3_FLOWCONTROL
#ifndef CONFIG_LPC17_UART1
# undef CONFIG_UART1_FLOWCONTROL
#endif
/* We cannot allow the DLM/DLL divisor to become to small or will will lose too
* much accuracy. This following is a "fudge factor" that represents the minimum
* value of the divisor that we will permit.
*/
#define UART_MINDL 32
/************************************************************************************
* Public Types
************************************************************************************/
/************************************************************************************
* Public Data
************************************************************************************/
/************************************************************************************
* Inline Functions
************************************************************************************/
/************************************************************************************
* Public Functions
************************************************************************************/
#endif /* __ARCH_ARM_SRC_LPC17XX_LPC17_SERIAL_H */
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