/****************************************************************************
 * boards/arm/kinetis/teensy-3.x/src/teensy-3x.h
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.  The
 * ASF licenses this file to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance with the
 * License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 * License for the specific language governing permissions and limitations
 * under the License.
 *
 ****************************************************************************/

#ifndef __BOARDS_ARM_KINETIS_TEENSY_3X_SRC_TEENSY_3X_H
#define __BOARDS_ARM_KINETIS_TEENSY_3X_SRC_TEENSY_3X_H

/****************************************************************************
 * Included Files
 ****************************************************************************/

#include <nuttx/config.h>
#include <nuttx/compiler.h>
#include <stdint.h>
#include <arch/kinetis/chip.h>
#include <nuttx/i2c/i2c_master.h>

/****************************************************************************
 * Pre-processor Definitions
 ****************************************************************************/

/* How many SPI modules does this chip support? The LM3S6918 supports 2 SPI
 * modules (others may support more -- in such case, the following must be
 * expanded).
 */

#if KINETIS_NSPI < 1
#  undef CONFIG_KINETIS_SPI1
#  undef CONFIG_KINETIS_SPI2
#elif KINETIS_NSPI < 2
#  undef CONFIG_KINETIS_SPI2
#endif

/* Teensy 3.1 GPIOs *********************************************************/

/* A single LED is available driven by PTC5.
 * The LED is grounded so bringing PTC5 high will illuminate the LED.
 */

#define GPIO_LED          (GPIO_HIGHDRIVE | GPIO_OUTPUT_ZERO | PIN_PORTC | PIN5)

#ifndef __ASSEMBLY__

/****************************************************************************
 * Public Functions Definitions
 ****************************************************************************/

/****************************************************************************
 * Name: kinetis_spidev_initialize
 *
 * Description:
 *   Called to configure SPI chip select GPIO pins for the KwikStik-K40
 *   board.
 *
 ****************************************************************************/

extern void weak_function kinetis_spidev_initialize(void);

/****************************************************************************
 * Name: kinetis_i2cdev_initialize
 *
 * Description:
 *   Called to configure I2C
 *
 ****************************************************************************/

void kinetis_i2cdev_initialize(void);

/****************************************************************************
 * Name: kinetis_usbinitialize
 *
 * Description:
 *   Called to setup USB-related GPIO pins for the KwikStik-K40 board.
 *
 ****************************************************************************/

extern void weak_function kinetis_usbinitialize(void);

/****************************************************************************
 * Name: kinetis_pwm_setup
 *
 * Description:
 *   Initialize PWM and register the PWM device.
 *
 ****************************************************************************/

#ifdef CONFIG_PWM
int kinetis_pwm_setup(void);
#endif

#endif /* __ASSEMBLY__ */
#endif /* __BOARDS_ARM_KINETIS_TEENSY_3X_SRC_TEENSY_3X_H */