/**
* \file
*
* \brief SAM GPIO Port Driver
*
* Copyright (c) 2012-2018 Microchip Technology Inc. and its subsidiaries.
*
* \asf_license_start
*
* \page License
*
* Subject to your compliance with these terms, you may use Microchip
* software and any derivatives exclusively with Microchip products.
* It is your responsibility to comply with third party license terms applicable
* to your use of third party software (including open source software) that
* may accompany Microchip software.
*
* THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES,
* WHETHER EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE,
* INCLUDING ANY IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY,
* AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT WILL MICROCHIP BE
* LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL
* LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND WHATSOEVER RELATED TO THE
* SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS BEEN ADVISED OF THE
* POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO THE FULLEST EXTENT
* ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN ANY WAY
* RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY,
* THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE.
*
* \asf_license_stop
*
*/
/*
* Support and FAQ: visit Microchip Support
*/
#include
/**
* \brief Writes a Port pin configuration to the hardware module.
*
* Writes out a given configuration of a Port pin configuration to the hardware
* module.
*
* \note If the pin direction is set as an output, the pull-up/pull-down input
* configuration setting is ignored.
*
* \param[in] gpio_pin Index of the GPIO pin to configure
* \param[in] config Configuration settings for the pin
*/
void port_pin_set_config(
const uint8_t gpio_pin,
const struct port_config *const config)
{
/* Sanity check arguments */
Assert(config);
struct system_pinmux_config pinmux_config;
system_pinmux_get_config_defaults(&pinmux_config);
pinmux_config.mux_position = SYSTEM_PINMUX_GPIO;
pinmux_config.direction = (enum system_pinmux_pin_dir)config->direction;
pinmux_config.input_pull = (enum system_pinmux_pin_pull)config->input_pull;
pinmux_config.powersave = config->powersave;
system_pinmux_pin_set_config(gpio_pin, &pinmux_config);
}
/**
* \brief Writes a Port group configuration group to the hardware module.
*
* Writes out a given configuration of a Port group configuration to the
* hardware module.
*
* \note If the pin direction is set as an output, the pull-up/pull-down input
* configuration setting is ignored.
*
* \param[out] port Base of the PORT module to write to
* \param[in] mask Mask of the port pin(s) to configure
* \param[in] config Configuration settings for the pin group
*/
void port_group_set_config(
PortGroup *const port,
const uint32_t mask,
const struct port_config *const config)
{
/* Sanity check arguments */
Assert(port);
Assert(config);
struct system_pinmux_config pinmux_config;
system_pinmux_get_config_defaults(&pinmux_config);
pinmux_config.mux_position = SYSTEM_PINMUX_GPIO;
pinmux_config.direction = (enum system_pinmux_pin_dir)config->direction;
pinmux_config.input_pull = (enum system_pinmux_pin_pull)config->input_pull;
pinmux_config.powersave = config->powersave;
system_pinmux_group_set_config(port, mask, &pinmux_config);
}