/************************************************************************************
 * configs/vsn/src/vsn-internal.h
 * arch/arm/src/board/vsn-internal.n
 *
 *   Copyright (C) 2009 Gregory Nutt. All rights reserved.
 *   Copyright (c) 2011 Uros Platise. All rights reserved.
 *
 *   Authors: Gregory Nutt <spudmonkey@racsa.co.cr>
 *            Uros Platise <uros.platise@isotel.eu>
 *
 * 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 __CONFIGS_VSN_1_2_SRC_VSN_INTERNAL_H
#define __CONFIGS_VSN_1_2_SRC_VSN_INTERNAL_H

/************************************************************************************
 * Included Files
 ************************************************************************************/

#include <nuttx/config.h>
#include <nuttx/compiler.h>
#include <stdint.h>

/************************************************************************************
 * Definitions
 ************************************************************************************/

/* How many SPI modules does this chip support? The LM3S6918 supports 2 SPI
 * modules (others may support more -- in such case, the following must be
 * expanded).
 */

#if STM32_NSPI < 1
#  undef CONFIG_STM32_SPI1
#  undef CONFIG_STM32_SPI2
#elif STM32_NSPI < 2
#  undef CONFIG_STM32_SPI2
#endif

/* VSN 1.2 GPIOs **************************************************************/

/* LED */

#define GPIO_LED		(GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_2MHz|GPIO_OUTPUT_CLEAR|GPIO_PORTB|GPIO_PIN2)
                         
/* BUTTON - Note that after a good second button causes hardware reset */

#define GPIO_PUSHBUTTON    (GPIO_INPUT|GPIO_CNF_INFLOAT|GPIO_MODE_INPUT|GPIO_PORTC|GPIO_PIN5)

/************************************************************************************
 * Public Types
 ************************************************************************************/

/************************************************************************************
 * Public data
 ************************************************************************************/

#ifndef __ASSEMBLY__

/************************************************************************************
 * Public Functions
 ************************************************************************************/

/************************************************************************************
 * Name: stm32_spiinitialize
 *
 * Description:
 *   Called to configure SPI chip select GPIO pins for the VSN board.
 *
 ************************************************************************************/

extern void weak_function stm32_spiinitialize(void);

/************************************************************************************
 * Name: stm32_usbinitialize
 *
 * Description:
 *   Called to setup USB-related GPIO pins for the VSN board.
 *
 ************************************************************************************/

extern void weak_function stm32_usbinitialize(void);

/************************************************************************************
 * Name: stm32_extcontextsave
 *
 * Description:
 *  Save current GPIOs that will used by external memory configurations
 *
 ************************************************************************************/

#endif /* __ASSEMBLY__ */
#endif /* __CONFIGS_VSN_1_2_SRC_VSN_INTERNAL_H */