Mouse code for the MacroRat
mbed-dev/targets/TARGET_Atmel/TARGET_SAM_CortexM0P/drivers/port/port.c
- Committer:
- sahilmgandhi
- Date:
- 2017-06-03
- Revision:
- 46:b156ef445742
- Parent:
- 18:6a4db94011d3
File content as of revision 46:b156ef445742:
/** * \file * * \brief SAM GPIO Port Driver * * Copyright (C) 2012-2015 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> */ #include <port.h> /** * \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); }