2016-03-25 18:18:58 -06:00

132 lines
5.4 KiB
C

/************************************************************************************
* configs/maple/src/maple.h
*
* Copyright (C) 2013 Gregory Nutt. All rights reserved.
* Author: Laurent Latil <laurent@latil.nom.fr>
* Librae <librae8226@gmail.com>
*
* 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_MAPLE_SRC_MAPLE_H
#define __CONFIGS_MAPLE_SRC_MAPLE_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#include <nuttx/compiler.h>
#include <stdint.h>
#include <arch/stm32/chip.h>
/************************************************************************************
* Pre-processor 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
/* GPIOs **************************************************************/
/* GPIO settings for LEDs and USB */
#ifdef CONFIG_MAPLE_MINI
# define GPIO_LED (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz|\
GPIO_OUTPUT_CLEAR|GPIO_PORTB|GPIO_PIN1)
# define GPIO_USB_PULLUP (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz|\
GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN9)
#else
# define GPIO_LED (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz|\
GPIO_OUTPUT_CLEAR|GPIO_PORTA|GPIO_PIN5)
# define GPIO_USB_PULLUP (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz|\
GPIO_OUTPUT_SET|GPIO_PORTC|GPIO_PIN12)
#endif
/* The Maple configuration has been used to very the Sharp Memory LCD
* on a custom board. These are pin definitions for that custom
* board interface. If you should decide to integrate the Sharp
* Memory LCD with your Maple board, you may need to changes these
* settings.
*/
#define GPIO_MEMLCD_EXTCOMIN (GPIO_PORTA | GPIO_PIN13 | GPIO_OUTPUT_CLEAR | \
GPIO_OUTPUT | GPIO_CNF_OUTPP | GPIO_MODE_50MHz)
#define GPIO_MEMLCD_DISP (GPIO_PORTA | GPIO_PIN14 | GPIO_OUTPUT_CLEAR | \
GPIO_OUTPUT | GPIO_CNF_OUTPP | GPIO_MODE_50MHz)
#define GPIO_MEMLCD_CS (GPIO_PORTA | GPIO_PIN15 | GPIO_OUTPUT_CLEAR | \
GPIO_OUTPUT | GPIO_CNF_OUTPP | GPIO_MODE_50MHz)
/************************************************************************************
* Public Types
************************************************************************************/
/************************************************************************************
* Public data
************************************************************************************/
#ifndef __ASSEMBLY__
/************************************************************************************
* Public Functions
************************************************************************************/
/************************************************************************************
* Name: stm32_spidev_initialize
*
* Description:
* Called to configure SPI chip select GPIO pins.
*
************************************************************************************/
void stm32_spidev_initialize(void);
/************************************************************************************
* Name: stm32_usbinitialize
*
* Description:
* Called to setup USB-related GPIO pins.
*
************************************************************************************/
void stm32_usbinitialize(void);
#endif /* __ASSEMBLY__ */
#endif /* __CONFIGS_MAPLE_SRC_MAPLE_H */