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/************************************************************************************
* configs/dk-tm4c129x/src/dk-tm4c129x.h
*
* Copyright (C) 2014 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_DK_TM4C129X_DK_TM4C129X_H
#define __CONFIGS_DK_TM4C129X_DK_TM4C129X_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#include <nuttx/compiler.h>
#include "chip.h"
#include "tiva_gpio.h"
/************************************************************************************
* Pre-processor Definitions
************************************************************************************/
/* Configuration ********************************************************************/
/* How many SSI modules does this chip support? */
#if TIVA_NSSI < 1
# undef CONFIG_TIVA_SSI0
# undef CONFIG_TIVA_SSI0
#elif TIVA_NSSI < 2
# undef CONFIG_TIVA_SSI0
#endif
/* LED definitions ******************************************************************/
/* The TMC4C123G LaunchPad has a single RGB LED. There is only one visible LED which
* will vary in color. But, from the standpoint of the firmware, this appears as
* three LEDs:
*
* --- ------------ -----------------
* Pin Pin Function Jumper
* --- ------------ -----------------
* PN5 Red LED J36 pins 1 and 2
* PQ4 Blue LED J36 pins 3 and 4
* PQ7 Green LED J36 pins 5 and 6
* --- ------------ -----------------
*
* A high output illuminates the LED.
*/
#define GPIO_LED_R (GPIO_FUNC_OUTPUT | GPIO_VALUE_ZERO | GPIO_PORTN | GPIO_PIN_5)
#define GPIO_LED_G (GPIO_FUNC_OUTPUT | GPIO_VALUE_ZERO | GPIO_PORTQ | GPIO_PIN_7)
#define GPIO_LED_B (GPIO_FUNC_OUTPUT | GPIO_VALUE_ZERO | GPIO_PORTQ | GPIO_PIN_4)
/* Button definitions ***************************************************************/
/* There are three push buttons on the board.
*
* --- ------------ -----------------
* Pin Pin Function Jumper
* --- ------------ -----------------
* PP1 Select SW4 J37 pins 1 and 2
* PN3 Up SW2 J37 pins 3 and 4
* PE5 Down SW3 J37 pins 5 and 6
* --- ------------ -----------------
*
* Interrupts are supported only on port P and Q so only SW4 interrupts are supported.
*/
#define GPIO_SW2 (GPIO_FUNC_INPUT | GPIO_PORTE | GPIO_PIN_5)
#define GPIO_SW3 (GPIO_FUNC_INPUT | GPIO_PORTN | GPIO_PIN_3)
#define GPIO_SW4 (GPIO_FUNC_INPUT | GPIO_INT_BOTHEDGES | GPIO_PORTP | GPIO_PIN_1)
#define IRQ_SW4 TIVA_IRQ_GPIOP_1
/* SPI Chip selects ****************************************************************/
/* SSI0: PA3 is used for SSI0 chip select to the second booster pack (No pull-
* ups)
* SSI3: PH4 selects the SD card and PQ1 selects the on-board SPI flash. Both
* pulled up on board.
*/
#define GPIO_BSTR2_CS (GPIO_FUNC_OUTPUT | GPIO_PADTYPE_STDWPU | GPIO_STRENGTH_4MA | \
GPIO_VALUE_ONE | GPIO_PORTA | GPIO_PIN_3)
#define GPIO_FLASH_CS (GPIO_FUNC_OUTPUT | GPIO_PADTYPE_STD | GPIO_STRENGTH_4MA | \
GPIO_VALUE_ONE | GPIO_PORTH | GPIO_PIN_4)
#define GPIO_SD_CS (GPIO_FUNC_OUTPUT | GPIO_PADTYPE_STD | GPIO_STRENGTH_4MA | \
GPIO_VALUE_ONE | GPIO_PORTH | GPIO_PIN_4)
/* Speaker outputs *****************************************************************/
/* PB2/PD4 are used for the speaker output */
/* Touchscreen *********************************************************************/
/* PE7/PP7/PT2-3 are used for the touch screen */
/************************************************************************************
* Public Functions
************************************************************************************/
#ifndef __ASSEMBLY__
/************************************************************************************
* Name: tm4c_ssiinitialize
*
* Description:
* Called to configure SPI chip select GPIO pins for the DK-TM4C129X.
*
************************************************************************************/
void weak_function tm4c_ssiinitialize(void);
/****************************************************************************
* Name: tm4c_ledinit
*
* Description:
* Called to initialize the on-board LEDs.
*
****************************************************************************/
#ifdef CONFIG_ARCH_LEDS
void tm4c_ledinit(void);
#endif
/****************************************************************************
* Name: tm4c_bringup
*
* Description:
* Bring up board features
*
****************************************************************************/
int tm4c_bringup(void);
#endif /* __ASSEMBLY__ */
#endif /* __CONFIGS_DK_TM4C129X_DK_TM4C129X_H */
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