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/**
* \file
*
* \brief TWIHS Master driver for SAM.
*
* Copyright (c) 2014-2016 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
*
*/
/*
* Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
*/
#ifndef _TWIHS_MASTER_H_
#define _TWIHS_MASTER_H_
#include "twihs.h"
#include "sysclk.h"
typedef Twihs *twihs_master_t;
typedef twihs_options_t twihs_master_options_t;
typedef twihs_packet_t twihs_package_t;
static inline uint32_t twihs_master_setup(twihs_master_t p_twihs,
twihs_master_options_t *p_opt)
{
p_opt->master_clk = sysclk_get_peripheral_hz();
p_opt->smbus = 0;
#if (SAMV70 || SAMV71 || SAME70 || SAMS70)
if (p_twihs == TWIHS0) {
sysclk_enable_peripheral_clock(ID_TWIHS0);
} else if (p_twihs == TWIHS1) {
sysclk_enable_peripheral_clock(ID_TWIHS1);
} else if (p_twihs == TWIHS2) {
sysclk_enable_peripheral_clock(ID_TWIHS2);
} else {
// Do Nothing
}
#else
if (p_twihs == TWI0) {
sysclk_enable_peripheral_clock(ID_TWI0);
#if SAMG55
} else if (p_twihs == TWI1) {
sysclk_enable_peripheral_clock(ID_TWI1);
} else if (p_twihs == TWI2) {
sysclk_enable_peripheral_clock(ID_TWI2);
} else if (p_twihs == TWI3) {
sysclk_enable_peripheral_clock(ID_TWI3);
} else if (p_twihs == TWI4) {
sysclk_enable_peripheral_clock(ID_TWI4);
} else if (p_twihs == TWI5) {
sysclk_enable_peripheral_clock(ID_TWI5);
} else if (p_twihs == TWI6) {
sysclk_enable_peripheral_clock(ID_TWI6);
} else if (p_twihs == TWI7) {
sysclk_enable_peripheral_clock(ID_TWI7);
#endif
} else {
// Do Nothing
}
#endif
return (twihs_master_init(p_twihs, p_opt));
}
#define twihs_master_enable(p_twihs) twihs_enable_master_mode(p_twihs)
#define twihs_master_disable(p_twihs) twihs_disable_master_mode(p_twihs)
#endif // _TWIHS_MASTER_H_
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