137 lines
5.3 KiB
C
137 lines
5.3 KiB
C
/************************************************************************************
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* configs/lm3s8962-ek/src/lm3s8962ek_internal.h
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* arch/arm/src/board/lm3s8962ek_internal.n
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*
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* Copyright (C) 2010 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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************************************************************************************/
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#ifndef __CONFIGS_LM3S8962_EK_SRC_LM3S8962EK_INTERNAL_H
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#define __CONFIGS_LM3S8962_EK_SRC_LM3S8962EK_INTERNAL_H
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/************************************************************************************
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* Included Files
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************************************************************************************/
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#include <nuttx/config.h>
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#include <nuttx/compiler.h>
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#include "chip.h"
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/************************************************************************************
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* Definitions
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************************************************************************************/
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/* How many SSI modules does this chip support? The LM3S8962 supports 1 SSI
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* module (others may support more than 2 -- in such case, the following must be
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* expanded).
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*/
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#if LM3S_NSSI == 0
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# undef CONFIG_SSI0_DISABLE
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# define CONFIG_SSI0_DISABLE 1
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# undef CONFIG_SSI1_DISABLE
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# define CONFIG_SSI1_DISABLE 1
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#elif LM3S_NSSI == 1
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# undef CONFIG_SSI1_DISABLE
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# define CONFIG_SSI1_DISABLE 1
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#endif
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/* LM3S8962 Eval Kit ***************************************************************/
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/* GPIO Usage
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*
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* PIN SIGNAL EVB Function
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* --- ----------- ---------------------------------------
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* 26 PA0/U0RX Virtual COM port receive
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* 27 PA1/U0TX Virtual COM port transmit
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* 10 PD0/IDX0 SD card chip select
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* 11 PD1/PWM1 Sound
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* 30 PA4/SSI0RX SD card data out
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* 31 PA5/SSI0TX SD card and OLED display data in
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* 28 PA2/SSI0CLK SD card and OLED display clock
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* 22 PC7/PHB0 OLED display data/control select
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* 29 PA3/SSI0FSS OLED display chip select
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* 73 PE1/PWM5 Down switch
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* 74 PE2/PHB1 Left switch
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* 72 PE0/PWM4 Up switch
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* 75 PE3/PHA1 Right switch
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* 61 PF1/IDX1 Select switch
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* 47 PF0/PWM0 User LED
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* 23 PC6/CCP3 Enable +15 V
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*/
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/* GPIO for microSD card chip select:
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* - PD0: SD card chip select (CARDCSn)
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*/
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#define SDCCS_GPIO (GPIO_FUNC_OUTPUT | GPIO_PADTYPE_STDWPU | GPIO_STRENGTH_4MA | \
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GPIO_VALUE_ONE | GPIO_PORTD | 0)
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/* GPIO for single LED:
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* - PF0: User LED
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*/
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#define LED_GPIO (GPIO_FUNC_OUTPUT | GPIO_VALUE_ONE | GPIO_PORTF | 0)
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/* GPIOs for OLED:
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* - PC7: OLED display data/control select (D/Cn)
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* - PA3: OLED display chip select (CSn)
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* - PC6: Enable +15V needed by OLED (EN+15V)
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*/
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#define OLEDDC_GPIO (GPIO_FUNC_OUTPUT | GPIO_PADTYPE_STD | GPIO_STRENGTH_8MA | \
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GPIO_VALUE_ONE | GPIO_PORTC | 7)
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#define OLEDCS_GPIO (GPIO_FUNC_OUTPUT | GPIO_PADTYPE_STDWPU | GPIO_STRENGTH_4MA | \
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GPIO_VALUE_ONE | GPIO_PORTA | 3)
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#define OLEDEN_GPIO (GPIO_FUNC_OUTPUT | GPIO_PADTYPE_STD | GPIO_STRENGTH_8MA | \
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GPIO_VALUE_ONE | GPIO_PORTC | 6)
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/************************************************************************************
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* Public Functions
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************************************************************************************/
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#ifndef __ASSEMBLY__
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/************************************************************************************
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* Name: lm3s_ssiinitialize
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*
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* Description:
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* Called to configure SPI chip select GPIO pins for the LM3S8962 Eval Kit.
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*
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************************************************************************************/
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extern void weak_function lm3s_ssiinitialize(void);
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#endif /* __ASSEMBLY__ */
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#endif /* __CONFIGS_LM3S8962_EK_SRC_LM3S8962EK_INTERNAL_H */
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