187 lines
7.0 KiB
C
187 lines
7.0 KiB
C
/************************************************************************************
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* configs/dk-tm4c129x/src/dk-tm4c129x.h
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*
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* Copyright (C) 2014 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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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_DK_TM4C129X_DK_TM4C129X_H
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#define __CONFIGS_DK_TM4C129X_DK_TM4C129X_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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/* Configuration ********************************************************************/
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/* How many SSI modules does this chip support? */
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#if TIVA_NSSI < 1
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# undef CONFIG_TIVA_SSI0
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# undef CONFIG_TIVA_SSI0
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#elif TIVA_NSSI < 2
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# undef CONFIG_TIVA_SSI0
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#endif
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/* LED definitions ******************************************************************/
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/* The TMC4C123G LaunchPad has a single RGB LED. There is only one visible LED which
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* will vary in color. But, from the standpoint of the firmware, this appears as
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* three LEDs:
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*
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* --- ------------ -----------------
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* Pin Pin Function Jumper
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* --- ------------ -----------------
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* PN5 Red LED J36 pins 1 and 2
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* PQ4 Blue LED J36 pins 3 and 4
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* PQ7 Green LED J36 pins 5 and 6
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* --- ------------ -----------------
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*
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* A high output illuminates the LED.
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*/
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#define GPIO_LED_R (GPIO_FUNC_OUTPUT | GPIO_VALUE_ZERO | GPIO_PORTN | GPIO_PIN_5)
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#define GPIO_LED_G (GPIO_FUNC_OUTPUT | GPIO_VALUE_ZERO | GPIO_PORTQ | GPIO_PIN_7)
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#define GPIO_LED_B (GPIO_FUNC_OUTPUT | GPIO_VALUE_ZERO | GPIO_PORTQ | GPIO_PIN_4)
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/* Button definitions ***************************************************************/
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/* There are three push buttons on the board.
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*
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* --- ------------ -----------------
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* Pin Pin Function Jumper
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* --- ------------ -----------------
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* PP1 Select SW4 J37 pins 1 and 2
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* PN3 Up SW2 J37 pins 3 and 4
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* PE5 Down SW3 J37 pins 5 and 6
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* --- ------------ -----------------
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*
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* Interrupts are supported only on port P and Q so only SW4 interrupts are supported.
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*/
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#define GPIO_SW2 (GPIO_FUNC_INPUT | GPIO_PORTE | GPIO_PIN_5)
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#define GPIO_SW3 (GPIO_FUNC_INPUT | GPIO_PORTN | GPIO_PIN_3)
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#define GPIO_SW4 (GPIO_FUNC_INPUT | GPIO_INT_BOTHEDGES | GPIO_PORTP | GPIO_PIN_1)
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#define IRQ_SW4 TIVA_IRQ_GPIOP_1
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/* SPI Chip selects ****************************************************************/
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/* SSI0: PA3 is used for SSI0 chip select to the second booster pack (No pull-
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* ups)
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* SSI3: PH4 selects the SD card and PQ1 selects the on-board SPI flash. Both
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* pulled up on board.
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*/
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#define GPIO_BSTR2_CS (GPIO_FUNC_OUTPUT | GPIO_PADTYPE_STDWPU | GPIO_STRENGTH_4MA | \
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GPIO_VALUE_ONE | GPIO_PORTA | GPIO_PIN_3)
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#define GPIO_FLASH_CS (GPIO_FUNC_OUTPUT | GPIO_PADTYPE_STD | GPIO_STRENGTH_4MA | \
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GPIO_VALUE_ONE | GPIO_PORTH | GPIO_PIN_4)
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#define GPIO_SD_CS (GPIO_FUNC_OUTPUT | GPIO_PADTYPE_STD | GPIO_STRENGTH_4MA | \
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GPIO_VALUE_ONE | GPIO_PORTH | GPIO_PIN_4)
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/* I2C *****************************************************************************/
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/* I2C3: PG4-5 are provide to the BoostPack 1 interface
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* I2C7: PA4-5 are provide to the BoostPack 2 interface
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* I2C6: PB6-7 are used for I2C to the TMP100 and the EM connector.
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* J18 and J20 must be closed to connect the TMP100.
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* I2C address is 0x4A
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*/
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#define TMP100_I2CBUS 6
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#define TMP100_I2CADDR 0x4a
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/* Speaker outputs *****************************************************************/
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/* PB2/PD4 are used for the speaker output */
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/* Touchscreen *********************************************************************/
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/* PE7/PP7/PT2-3 are used for the touch screen */
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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: tm4c_ssiinitialize
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*
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* Description:
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* Called to configure SPI chip select GPIO pins for the DK-TM4C129X.
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*
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************************************************************************************/
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void weak_function tm4c_ssiinitialize(void);
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/****************************************************************************
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* Name: tm4c_ledinit
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*
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* Description:
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* Called to initialize the on-board LEDs.
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*
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****************************************************************************/
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#ifdef CONFIG_ARCH_LEDS
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void tm4c_ledinit(void);
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#endif
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/****************************************************************************
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* Name: tm4c_bringup
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*
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* Description:
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* Bring up board features
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*
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****************************************************************************/
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int tm4c_bringup(void);
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/****************************************************************************
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* Name: tiva_timer_initialize
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*
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* Description:
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* Configure the timer driver
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*
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****************************************************************************/
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#ifdef CONFIG_DK_TM4C129X_TIMER
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int tiva_timer_initialize(void);
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __CONFIGS_DK_TM4C129X_DK_TM4C129X_H */
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