99 lines
3.2 KiB
C
99 lines
3.2 KiB
C
/**
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* \file
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*
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* \brief SAM4S Xplained Pro board initialization
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*
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* Copyright (C) 2012-2015 Atmel Corporation. All rights reserved.
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*
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* \asf_license_start
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*
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* \page License
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. The name of Atmel may not be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* 4. This software may only be redistributed and used in connection with an
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* Atmel microcontroller product.
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*
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* THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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* EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* \asf_license_stop
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*/
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/*
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* Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
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*/
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#include <board.h>
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#include <gpio.h>
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#include <ioport.h>
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#include <wdt.h>
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/**
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* \addtogroup sam4s_xplained_pro_group
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* @{
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*/
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void board_init(void)
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{
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#ifndef CONF_BOARD_KEEP_WATCHDOG_AT_INIT
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wdt_disable(WDT);
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#endif
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/* GPIO has been deprecated, the old code just keeps it for compatibility.
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* In new designs IOPORT is used instead.
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* Here IOPORT must be initialized for others to use before setting up IO.
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*/
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ioport_init();
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/* Initialize LED, turned off */
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ioport_set_pin_level(LED_0_PIN, !LED_0_ACTIVE);
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ioport_set_pin_dir(LED_0_PIN, IOPORT_DIR_OUTPUT);
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ioport_set_pin_level(LED_1_PIN, !LED_1_ACTIVE);
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ioport_set_pin_dir(LED_1_PIN, IOPORT_DIR_OUTPUT);
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ioport_set_pin_level(LED_2_PIN, !LED_2_ACTIVE);
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ioport_set_pin_dir(LED_2_PIN, IOPORT_DIR_OUTPUT);
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#ifdef CONF_BOARD_UART_CONSOLE
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/* Configure UART pins */
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gpio_configure_group(PINS_UART0_PIO, PINS_UART0, PINS_UART0_FLAGS);
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#endif
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#ifdef CONF_BOARD_TWI0
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gpio_configure_pin(TWI0_DATA_GPIO, TWI0_DATA_FLAGS);
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gpio_configure_pin(TWI0_CLK_GPIO, TWI0_CLK_FLAGS);
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#endif
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/* Configure SPI pins */
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#ifdef CONF_BOARD_SPI
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gpio_configure_pin(SPI_MISO_GPIO, SPI_MISO_FLAGS);
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gpio_configure_pin(SPI_MOSI_GPIO, SPI_MOSI_FLAGS);
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gpio_configure_pin(SPI_SPCK_GPIO, SPI_SPCK_FLAGS);
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gpio_configure_pin(SPI_NPCS0_GPIO, SPI_NPCS0_FLAGS);
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gpio_configure_pin(SPI_NPCS1_PA31_GPIO, SPI_NPCS1_PA31_FLAGS);
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gpio_configure_pin(SPI_NPCS2_PA30_GPIO, SPI_NPCS2_PA30_FLAGS);
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#endif
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}
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/** @} */
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