mirror of
https://github.com/RIOT-OS/RIOT.git
synced 2024-12-29 04:50:03 +01:00
53 lines
1.1 KiB
C
53 lines
1.1 KiB
C
/*
|
|
* Copyright (C) 2015 TriaGnoSys GmbH
|
|
*
|
|
* 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_nucleo-f103
|
|
* @{
|
|
*
|
|
* @file
|
|
* @brief Board specific implementations for the nucleo-f103 board
|
|
*
|
|
* @author Víctor Ariño <victor.arino@triagnosys.com>
|
|
*
|
|
* @}
|
|
*/
|
|
|
|
#include "board.h"
|
|
#include "cpu.h"
|
|
#include "periph/gpio.h"
|
|
|
|
static void leds_init(void);
|
|
|
|
void board_init(void)
|
|
{
|
|
/* initialize the CPU */
|
|
cpu_init();
|
|
|
|
/* initialize the boards LEDs */
|
|
leds_init();
|
|
|
|
/* pin remapping: in order to use the MCU peripherals with the Arduino
|
|
* compatible connectors. Some peripherals need to be remapped here. */
|
|
RCC->APB2ENR |= RCC_APB2ENR_AFIOEN;
|
|
AFIO->MAPR |= AFIO_MAPR_I2C1_REMAP;
|
|
}
|
|
|
|
/**
|
|
* @brief Initialize the boards on-board LEDs
|
|
*
|
|
* The green LED is connected to pin PA5
|
|
*/
|
|
static void leds_init(void)
|
|
{
|
|
RCC->APB2ENR |= RCC_APB2ENR_IOPAEN;
|
|
GPIOA->CR[0] &= ~(0x0f << 20);
|
|
GPIOA->CR[0] |= (0x03 << 20);
|
|
GPIOA->BRR = (1 << 5);
|
|
}
|