nuttx/arch/arm/src/lpc43xx/lpc43_config.h
patacongo 6de2e45191 Add completed but untested support for RS-485 on the LPC43xx
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4959 42af7a65-404d-4744-a932-0658087f49c3
2012-07-20 18:32:16 +00:00

154 lines
5.5 KiB
C

/************************************************************************************
* arch/arm/src/lpc43xx/lpc43_config.h
*
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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_LPC43XX_LPC43XX_CONFIG_H
#define __ARCH_ARM_SRC_LPC43XX_LPC43XX_CONFIG_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
/************************************************************************************
* Pre-processor Definitions
************************************************************************************/
/* Required configuration settings */
/* There are two version of the FPU support built into the most NuttX Cortex-M4 ports.
* The current LPC43xx port support only one of these options, the "Non-Lazy Floating
* Point Register Save". As a consequence, CONFIG_ARMV7M_CMNVECTOR must be defined
* in *all* LPC43xx configuration files.
*/
#ifndef CONFIG_ARMV7M_CMNVECTOR
# error "CONFIG_ARMV7M_CMNVECTOR must be defined for the LPC43xx"
#endif
/* Are any UARTs enabled? */
#undef HAVE_UART
#if defined(CONFIG_LPC43_USART0) || defined(CONFIG_LPC43_UART1) || \
defined(CONFIG_LPC43_USART2) || defined(CONFIG_LPC43_USART3)
# define HAVE_UART 1
#endif
/* Make sure all features are disabled for diabled U[S]ARTs. This simplifies
* checking later.
*/
#ifndef CONFIG_LPC43_USART0
# undef CONFIG_USART0_SERIAL_CONSOLE
# undef CONFIG_USART0_RS485MODE
#endif
#ifndef CONFIG_LPC43_UART1
# undef CONFIG_UART1_SERIAL_CONSOLE
#endif
#ifndef CONFIG_LPC43_USART2
# undef CONFIG_USART2_SERIAL_CONSOLE
# undef CONFIG_USART2_RS485MODE
#endif
#ifndef CONFIG_LPC43_USART3
# undef CONFIG_USART3_SERIAL_CONSOLE
# undef CONFIG_USART3_RS485MODE
#endif
/* Is there a serial console? There should be at most one defined. It could be on
* any UARTn, n=0,1,2,3 - OR - there might not be any serial console at all.
*/
#if defined(CONFIG_USART0_SERIAL_CONSOLE)
# undef CONFIG_UART1_SERIAL_CONSOLE
# undef CONFIG_USART2_SERIAL_CONSOLE
# undef CONFIG_USART3_SERIAL_CONSOLE
# define HAVE_CONSOLE 1
#elif defined(CONFIG_UART1_SERIAL_CONSOLE)
# undef CONFIG_USART0_SERIAL_CONSOLE
# undef CONFIG_USART2_SERIAL_CONSOLE
# undef CONFIG_USART3_SERIAL_CONSOLE
# define HAVE_CONSOLE 1
#elif defined(CONFIG_USART2_SERIAL_CONSOLE)
# undef CONFIG_USART0_SERIAL_CONSOLE
# undef CONFIG_UART1_SERIAL_CONSOLE
# undef CONFIG_USART3_SERIAL_CONSOLE
# define HAVE_CONSOLE 1
#elif defined(CONFIG_USART3_SERIAL_CONSOLE)
# undef CONFIG_USART0_SERIAL_CONSOLE
# undef CONFIG_UART1_SERIAL_CONSOLE
# undef CONFIG_USART2_SERIAL_CONSOLE
# define HAVE_CONSOLE 1
#else
# undef CONFIG_USART0_SERIAL_CONSOLE
# undef CONFIG_UART1_SERIAL_CONSOLE
# undef CONFIG_USART2_SERIAL_CONSOLE
# undef CONFIG_USART3_SERIAL_CONSOLE
# undef HAVE_CONSOLE
#endif
/* Check UART flow control (Only supported by UART1) */
# undef CONFIG_USART0_FLOWCONTROL
# undef CONFIG_USART2_FLOWCONTROL
# undef CONFIG_USART3_FLOWCONTROL
#ifndef CONFIG_LPC43_UART1
# undef CONFIG_UART1_FLOWCONTROL
#endif
/* Check for RS-485 support (USART0,2,3 only) */
#undef HAVE_RS485
#if defined(CONFIG_USART0_RS485MODE) || defined(CONFIG_USART2_RS485MODE) || \
defined(CONFIG_USART3_RS485MODE)
# define HAVE_RS485 1
#endif
/************************************************************************************
* Public Types
************************************************************************************/
/************************************************************************************
* Public Data
************************************************************************************/
/************************************************************************************
* Public Functions
************************************************************************************/
#endif /* __ARCH_ARM_SRC_LPC43XX_LPC43XX_CONFIG_H */