nuttx/configs/efm32-g8xx-stk/include/board.h

/****************************************************************************
 * configs/efm32-g8xx-stk/include/board.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_EFM32_G8XX_STK_INCLUDE_BOARD_H
#define __CONFIGS_EFM32_G8XX_STK_INCLUDE_BOARD_H

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

#include <nuttx/config.h>

#include <stdbool.h>

/****************************************************************************
 * Pre-Processor Definitions
 ****************************************************************************/
/* Clocking *****************************************************************/
/* Clock Sources
 *   - 1-28 MHz High Frequency RC Oscillator (HFRCO)
 *   - 4-32 MHz High Frequency Crystal Oscillator (HFXO)
 *   - 32.768 kHz Low Frequency RC Oscillator (LFRCO)
 *   - 32.768 kHz Low Frequency Crystal Oscillator (LFXO)
 *
 * The device boots with 14 MHz HFRCO as the HFCLK source.
 */

#define BOARD_HFRCO_FREQUENCY  14000000 /* 14MHz on reset */
#define BOARD_HFXO_FREQUENCY   32000000 /* 32MHz crystal on board */
#define BOARD_LFRCO_FREQUENCY  32768    /* Low frequency oscillator */
#define BOARD_LFXO_FREQUENCY   32768    /* 32MHz crystal on board */

/* The EFM32 Gecko Starter Kit supports 4 yellow LEDs.  One side is grounded
 * so these LEDs are illuminated by outputting a high value.
 *
 * If CONFIG_ARCH_LEDS is not defined, then the user can control the LEDs in
 * any way.  The following definitions are used to access individual LEDs.
 */

/* LED index values for use with efm32_setled() */

#define BOARD_LED1        0
#define BOARD_LED2        1
#define BOARD_LED3        2
#define BOARD_LED4        3
#define BOARD_NLEDS       4

#define BOARD_LED_GREEN   BOARD_LED1
#define BOARD_LED_ORANGE  BOARD_LED2
#define BOARD_LED_RED     BOARD_LED3
#define BOARD_LED_BLUE    BOARD_LED4

/* LED bits for use with efm32_setleds() */

#define BOARD_LED1_BIT    (1 << BOARD_LED1)
#define BOARD_LED2_BIT    (1 << BOARD_LED2)
#define BOARD_LED3_BIT    (1 << BOARD_LED3)
#define BOARD_LED4_BIT    (1 << BOARD_LED4)

/* If CONFIG_ARCH_LEDs is defined, then NuttX will control the 4 LEDs on
 * board the EFM32 Gecko Starter Kit.  The following definitions describe
 * how NuttX controls the LEDs in this configuration:
 */

#define LED_STARTED       0  /* LED1 */
#define LED_HEAPALLOCATE  1  /* LED2 */
#define LED_IRQSENABLED   2  /* LED1 + LED2 */
#define LED_STACKCREATED  3  /* LED3 */
#define LED_INIRQ         4  /* LED1 + LED3 */
#define LED_SIGNAL        5  /* LED2 + LED3 */
#define LED_ASSERTION     6  /* LED1 + LED2 + LED3 */
#define LED_PANIC         7  /* N/C  + N/C  + N/C + LED4 */

/****************************************************************************
 * Public Function Prototypes
 ****************************************************************************/

/****************************************************************************
 * Name:  efm32_ledinit, efm32_setled, and efm32_setleds
 *
 * Description:
 *   If CONFIG_ARCH_LEDS is defined, then NuttX will control the on-board
 *   LEDs.  If CONFIG_ARCH_LEDS is not defined, then the following interfaces
 *   are available to control the LEDs from user applications.
 *
 ****************************************************************************/

#ifndef CONFIG_ARCH_LEDS
void efm32_ledinit(void);
void efm32_setled(int led, bool ledon);
void efm32_setleds(uint8_t ledset);
#endif

#endif /* __CONFIGS_EFM32_DK3650_INCLUDE_BOARD_H */