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/************************************************************************************
* configs/lm3s6965-ek/src/lm3s6965ek_internal.h
* arch/arm/src/board/lm3s6965ek_internal.h
*
* Copyright (C) 2010 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 __CONFIGS_LM3S6965_EK_SRC_LM3S6965EK_INTERNAL_H
#define __CONFIGS_LM3S6965_EK_SRC_LM3S6965EK_INTERNAL_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#include <nuttx/compiler.h>
#include "chip.h"
#include "tiva_gpio.h"
/************************************************************************************
* Definitions
************************************************************************************/
/* How many SSI modules does this chip support? The LM3S6965 supports 1 SSI
* module (others may support more than 2 -- in such case, the following must be
* expanded).
*/
#if LM_NSSI == 0
# undef CONFIG_SSI0_DISABLE
# define CONFIG_SSI0_DISABLE 1
# undef CONFIG_SSI1_DISABLE
# define CONFIG_SSI1_DISABLE 1
#elif LM_NSSI == 1
# undef CONFIG_SSI1_DISABLE
# define CONFIG_SSI1_DISABLE 1
#endif
/* LM3S6965 Eval Kit ***************************************************************/
/* GPIO Usage
*
* PIN SIGNAL EVB Function
* --- ----------- ---------------------------------------
* 26 PA0/U0RX Virtual COM port receive
* 27 PA1/U0TX Virtual COM port transmit
* 10 PD0/IDX0 SD card chip select
* 11 PD1/PWM1 Sound
* 30 PA4/SSI0RX SD card data out
* 31 PA5/SSI0TX SD card and OLED display data in
* 28 PA2/SSI0CLK SD card and OLED display clock
* 22 PC7/PHB0 OLED display data/control select
* 29 PA3/SSI0FSS OLED display chip select
* 73 PE1/PWM5 Down switch
* 74 PE2/PHB1 Left switch
* 72 PE0/PWM4 Up switch
* 75 PE3/PHA1 Right switch
* 61 PF1/IDX1 Select switch
* 47 PF0/PWM0 User LED
* 23 PC6/CCP3 Enable +15 V
*/
/* GPIO for microSD card chip select:
* - PD0: SD card chip select (CARDCSn)
*/
#define SDCCS_GPIO (GPIO_FUNC_OUTPUT | GPIO_PADTYPE_STDWPU | GPIO_STRENGTH_4MA | \
GPIO_VALUE_ONE | GPIO_PORTD | 0)
/* GPIO for single LED:
* - PF0: User LED
*/
#define LED_GPIO (GPIO_FUNC_OUTPUT | GPIO_VALUE_ONE | GPIO_PORTF | 0)
/* GPIOs for OLED:
* - PC7: OLED display data/control select (D/Cn)
* - PA3: OLED display chip select (CSn)
* - PC6: Enable +15V needed by OLED (EN+15V)
*/
#define OLEDDC_GPIO (GPIO_FUNC_OUTPUT | GPIO_PADTYPE_STD | GPIO_STRENGTH_8MA | \
GPIO_VALUE_ONE | GPIO_PORTC | 7)
#define OLEDCS_GPIO (GPIO_FUNC_OUTPUT | GPIO_PADTYPE_STDWPU | GPIO_STRENGTH_4MA | \
GPIO_VALUE_ONE | GPIO_PORTA | 3)
#define OLEDEN_GPIO (GPIO_FUNC_OUTPUT | GPIO_PADTYPE_STD | GPIO_STRENGTH_8MA | \
GPIO_VALUE_ONE | GPIO_PORTC | 6)
/************************************************************************************
* Public Functions
************************************************************************************/
#ifndef __ASSEMBLY__
/************************************************************************************
* Name: lm_ssiinitialize
*
* Description:
* Called to configure SPI chip select GPIO pins for the LM3S6965 Eval Kit.
*
************************************************************************************/
void weak_function lm_ssiinitialize(void);
#endif /* __ASSEMBLY__ */
#endif /* __CONFIGS_LM3S6965_EK_SRC_LM3S6965EK_INTERNAL_H */
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