118 lines
4.1 KiB
C
118 lines
4.1 KiB
C
/****************************************************************************
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* boards/arm/tiva/lm3s8962-ek/src/lm3s8962-ek.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __BOARDS_ARM_TIVA_LM3S8962_EK_SRC_LM3S8962_EK_H
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#define __BOARDS_ARM_TIVA_LM3S8962_EK_SRC_LM3S8962_EK_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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#include "tiva_gpio.h"
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/****************************************************************************
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* Pre-processor 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
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* be expanded).
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*/
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#if TIVA_NSSI == 0
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# undef CONFIG_TIVA_SSI0
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# undef CONFIG_TIVA_SSI1
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#elif TIVA_NSSI == 1
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# undef CONFIG_TIVA_SSI1
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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 Definitions
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****************************************************************************/
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#ifndef __ASSEMBLY__
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/****************************************************************************
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* Name: lm_ssidev_initialize
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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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void weak_function lm_ssidev_initialize(void);
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#endif /* __ASSEMBLY__ */
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#endif /* __BOARDS_ARM_TIVA_LM3S8962_EK_SRC_LM3S8962_EK_H */
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