/** | |
* \file | |
* | |
* \brief SAM D20 Serial Peripheral Interface Driver | |
* | |
* Copyright (C) 2012-2013 Atmel Corporation. All rights reserved. | |
* | |
* \asf_license_start | |
* | |
* \page License | |
* | |
* Redistribution and use in source and binary forms, with or without | |
* modification, are permitted provided that the following conditions are met: | |
* | |
* 1. Redistributions of source code must retain the above copyright notice, | |
* this list of conditions and the following disclaimer. | |
* | |
* 2. Redistributions in binary form must reproduce the above copyright notice, | |
* this list of conditions and the following disclaimer in the documentation | |
* and/or other materials provided with the distribution. | |
* | |
* 3. The name of Atmel may not be used to endorse or promote products derived | |
* from this software without specific prior written permission. | |
* | |
* 4. This software may only be redistributed and used in connection with an | |
* Atmel microcontroller product. | |
* | |
* THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED | |
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE | |
* EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR | |
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN | |
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
* POSSIBILITY OF SUCH DAMAGE. | |
* | |
* \asf_license_stop | |
* | |
*/ | |
#ifndef SERCOM_H_INCLUDED | |
#define SERCOM_H_INCLUDED | |
#include <compiler.h> | |
#include <system.h> | |
#include <clock.h> | |
#include "sercom_interrupt.h" | |
#include "sercom_pinout.h" | |
#ifdef __cplusplus | |
extern "C" { | |
#endif | |
#if (SERCOM0_GCLK_ID_SLOW == SERCOM1_GCLK_ID_SLOW && \ | |
SERCOM0_GCLK_ID_SLOW == SERCOM2_GCLK_ID_SLOW && \ | |
SERCOM0_GCLK_ID_SLOW == SERCOM3_GCLK_ID_SLOW) | |
# define SERCOM_GCLK_ID SERCOM0_GCLK_ID_SLOW | |
#else | |
# error "SERCOM modules must share the same slow GCLK channel ID." | |
#endif | |
enum status_code sercom_set_gclk_generator( | |
const enum gclk_generator generator_source, | |
const bool force_change); | |
enum status_code _sercom_get_sync_baud_val( | |
const uint32_t baudrate, | |
const uint32_t external_clock, | |
uint16_t *const baudval); | |
enum status_code _sercom_get_async_baud_val( | |
const uint32_t baudrate, | |
const uint32_t peripheral_clock, | |
uint16_t *const baudval); | |
uint32_t _sercom_get_default_pad( | |
Sercom *const sercom_module, | |
const uint8_t pad); | |
#ifdef __cplusplus | |
} | |
#endif | |
#endif //__SERCOM_H_INCLUDED |