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/*
* Copyright (C) 2016 Freie Universität Berlin
*
* This file is subject to the terms and conditions of the GNU Lesser General
* Public License v2.1. See the file LICENSE in the top level directory for more
* details.
*/
/**
* @ingroup boards_seeduino_arch-pro
* @{
*
* @file
* @brief Board specific implementations for the Seeeduino Arch Pro board
*
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
* @author Bas Stottelaar <basstottelaar@gmail.com>
*
* @}
*/
#include "board.h"
static void leds_init(void);
extern void SystemInit(void);
void board_init(void)
{
/* initialize core clocks via CMSIS function */
SystemInit();
/* initialize the CPU */
cpu_init();
/* initialize the boards LEDs */
leds_init();
}
/**
* @brief Initialize the boards on-board LEDs (LED1 to LED4)
*
* The LED initialization is hard-coded in this function. As the LEDs are
* soldered onto the board they are fixed to their CPU pins.
*
* The LEDs are connected to the following pins:
* - LED1: P1.18
* - LED2: P1.20
* - LED3: P1.21
* - LED4: P1.23
*
* The LEDs are active-low (current-sink).
*/
static void leds_init(void)
{
/* configure LED pins as output */
LED_PORT->FIODIR |= (LED0_MASK | LED1_MASK | LED2_MASK | LED3_MASK);
/* turn off all LEDs */
LED_PORT->FIOSET = (LED0_MASK | LED1_MASK | LED2_MASK | LED3_MASK);
}