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74 lines
2.5 KiB
C
74 lines
2.5 KiB
C
/**
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* \file
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*
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* \brief XMEGA legacy IOPORT software compatibility driver interface.
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*
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* Copyright (c) 2014-2015 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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/*
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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 "ioport_compat.h"
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#if defined(IOPORT_XMEGA_COMPAT)
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void ioport_configure_port_pin(void *port, pin_mask_t pin_mask,
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port_pin_flags_t flags)
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{
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uint8_t pin;
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for (pin = 0; pin < 8; pin++) {
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if (pin_mask & (1 << pin)) {
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*((uint8_t *)port + PORT_PIN0CTRL + pin) = flags >> 8;
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}
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}
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/* Select direction and initial pin state */
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if (flags & IOPORT_DIR_OUTPUT) {
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if (flags & IOPORT_INIT_HIGH) {
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*((uint8_t *)port + PORT_OUTSET) = pin_mask;
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} else {
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*((uint8_t *)port + PORT_OUTCLR) = pin_mask;
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}
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*((uint8_t *)port + PORT_DIRSET) = pin_mask;
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} else {
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*((uint8_t *)port + PORT_DIRCLR) = pin_mask;
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}
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}
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#endif
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