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56 lines
1.2 KiB
C
56 lines
1.2 KiB
C
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/*
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* Copyright (C) 2014 Freie Universität Berlin
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*
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* This file is subject to the terms and conditions of the GNU Lesser General
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* Public License v2.1. See the file LICENSE in the top level directory for more
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* details.
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*/
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/**
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* @ingroup board_mbed_lpc1768
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* @{
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*
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* @file
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* @brief Board specific implementations for the mbed LPC1768 board
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*
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* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
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*
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* @}
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*/
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#include "board.h"
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static void leds_init(void);
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extern void SystemInit(void);
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void board_init(void)
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{
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/* initialize core clocks via CMSIS function */
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SystemInit();
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/* initialize the CPU */
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cpu_init();
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/* initialize the boards LEDs */
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leds_init();
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}
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/**
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* @brief Initialize the boards on-board LEDs (LED1 to LED4)
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*
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* The LED initialization is hard-coded in this function. As the LEDs are soldered
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* onto the board they are fixed to their CPU pins.
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*
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* The LEDs are connected to the following pins:
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* - LED1: P1.18
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* - LED2: P1.20
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* - LED3: P1.21
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* - LED4: P1.23
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*/
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static void leds_init(void)
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{
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/* configure LED pins as output */
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LED_PORT->FIODIR |= (LED1_PIN | LED2_PIN | LED3_PIN | LED4_PIN);
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/* clear all LEDs */
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LED_PORT->FIOCLR = (LED1_PIN | LED2_PIN | LED3_PIN | LED4_PIN);
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}
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