187 lines
6.4 KiB
C
187 lines
6.4 KiB
C
/****************************************************************************
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* boards/arm/tiva/dk-tm4c129x/src/dk-tm4c129x.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_DK_TM4C129X_DK_TM4C129X_H
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#define __BOARDS_ARM_TIVA_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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/* Do we need to register I2C drivers on behalf of the I2C tool? */
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#define HAVE_I2CTOOL 1
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#if !defined(CONFIG_SYSTEM_I2CTOOL) || !defined(CONFIG_I2C_DRIVER)
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# undef HAVE_I2CTOOL
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#endif
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/* LED definitions **********************************************************/
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/* The TMC4C123G LaunchPad has a single RGB LED.
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* There is only one visible LED which will vary in color.
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* 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
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* 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
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* (No pull-ups)
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* SSI3: PH4 selects the SD card and PQ1 selects the on-board SPI flash.
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* Both 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 Definitions
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****************************************************************************/
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#ifndef __ASSEMBLY__
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/****************************************************************************
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* Name: tm4c_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 DK-TM4C129X.
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*
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****************************************************************************/
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void weak_function tm4c_ssidev_initialize(void);
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/****************************************************************************
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* Name: tm4c_led_initialize
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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_led_initialize(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_configure
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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_configure(void);
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __BOARDS_ARM_TIVA_DK_TM4C129X_DK_TM4C129X_H */
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