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53 lines
1.1 KiB
C
53 lines
1.1 KiB
C
/*
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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_fox
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* @{
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*
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* @file board.c
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* @brief Board specific implementations for the fox board
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*
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* @author Thomas Eichinger <thomas.eichinger@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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#include "cpu.h"
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static void leds_init(void);
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void board_init(void)
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{
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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
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*
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* The LEDs initialization is hard-coded in this function. As the LED is soldered
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* onto the board it is fixed to its CPU pins.
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*
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* The LEDs are connected to the following pin:
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* - Green: PB12
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* - Red: PB10
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*/
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static void leds_init(void)
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{
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/* green pin */
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RCC->APB2ENR |= RCC_APB2ENR_IOPBEN;
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LED_GREEN_PORT->CRL = (0x3 << ((LED_GREEN_PIN-8)*4));
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/* red pin */;
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LED_RED_PORT->CRL = (0x3 << ((LED_RED_PIN-8)*4));
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}
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