Sergey Solodunov / mbed-dev

mbed library sources. Supersedes mbed-src.

Fork of mbed-dev by mbed official

targets/hal/TARGET_Atmel/TARGET_SAM_CortexM0P/drivers/port/port.c@15:a81a8d6c1dfe, 2015-11-04 (annotated)

Committer:
mbed_official
Date:
Wed Nov 04 16:30:11 2015 +0000
Revision:
15:a81a8d6c1dfe
Synchronized with git revision 46af745ef4405614c3fa49abbd9a706a362ea514



Full URL: https://github.com/mbedmicro/mbed/commit/46af745ef4405614c3fa49abbd9a706a362ea514/



Renamed TARGET_SAM_CortexM0+ to TARGET_SAM_CortexM0P for compatiblity with online compiler

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 15:a81a8d6c1dfe 1 /**
mbed_official 15:a81a8d6c1dfe 2 * \file
mbed_official 15:a81a8d6c1dfe 3 *
mbed_official 15:a81a8d6c1dfe 4 * \brief SAM GPIO Port Driver
mbed_official 15:a81a8d6c1dfe 5 *
mbed_official 15:a81a8d6c1dfe 6 * Copyright (C) 2012-2015 Atmel Corporation. All rights reserved.
mbed_official 15:a81a8d6c1dfe 7 *
mbed_official 15:a81a8d6c1dfe 8 * \asf_license_start
mbed_official 15:a81a8d6c1dfe 9 *
mbed_official 15:a81a8d6c1dfe 10 * \page License
mbed_official 15:a81a8d6c1dfe 11 *
mbed_official 15:a81a8d6c1dfe 12 * Redistribution and use in source and binary forms, with or without
mbed_official 15:a81a8d6c1dfe 13 * modification, are permitted provided that the following conditions are met:
mbed_official 15:a81a8d6c1dfe 14 *
mbed_official 15:a81a8d6c1dfe 15 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 15:a81a8d6c1dfe 16 * this list of conditions and the following disclaimer.
mbed_official 15:a81a8d6c1dfe 17 *
mbed_official 15:a81a8d6c1dfe 18 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 15:a81a8d6c1dfe 19 * this list of conditions and the following disclaimer in the documentation
mbed_official 15:a81a8d6c1dfe 20 * and/or other materials provided with the distribution.
mbed_official 15:a81a8d6c1dfe 21 *
mbed_official 15:a81a8d6c1dfe 22 * 3. The name of Atmel may not be used to endorse or promote products derived
mbed_official 15:a81a8d6c1dfe 23 * from this software without specific prior written permission.
mbed_official 15:a81a8d6c1dfe 24 *
mbed_official 15:a81a8d6c1dfe 25 * 4. This software may only be redistributed and used in connection with an
mbed_official 15:a81a8d6c1dfe 26 * Atmel microcontroller product.
mbed_official 15:a81a8d6c1dfe 27 *
mbed_official 15:a81a8d6c1dfe 28 * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
mbed_official 15:a81a8d6c1dfe 29 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
mbed_official 15:a81a8d6c1dfe 30 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
mbed_official 15:a81a8d6c1dfe 31 * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
mbed_official 15:a81a8d6c1dfe 32 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 15:a81a8d6c1dfe 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
mbed_official 15:a81a8d6c1dfe 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
mbed_official 15:a81a8d6c1dfe 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
mbed_official 15:a81a8d6c1dfe 36 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
mbed_official 15:a81a8d6c1dfe 37 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
mbed_official 15:a81a8d6c1dfe 38 * POSSIBILITY OF SUCH DAMAGE.
mbed_official 15:a81a8d6c1dfe 39 *
mbed_official 15:a81a8d6c1dfe 40 * \asf_license_stop
mbed_official 15:a81a8d6c1dfe 41 *
mbed_official 15:a81a8d6c1dfe 42 */
mbed_official 15:a81a8d6c1dfe 43 /*
mbed_official 15:a81a8d6c1dfe 44 * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
mbed_official 15:a81a8d6c1dfe 45 */
mbed_official 15:a81a8d6c1dfe 46 #include <port.h>
mbed_official 15:a81a8d6c1dfe 47
mbed_official 15:a81a8d6c1dfe 48 /**
mbed_official 15:a81a8d6c1dfe 49 * \brief Writes a Port pin configuration to the hardware module.
mbed_official 15:a81a8d6c1dfe 50 *
mbed_official 15:a81a8d6c1dfe 51 * Writes out a given configuration of a Port pin configuration to the hardware
mbed_official 15:a81a8d6c1dfe 52 * module.
mbed_official 15:a81a8d6c1dfe 53 *
mbed_official 15:a81a8d6c1dfe 54 * \note If the pin direction is set as an output, the pull-up/pull-down input
mbed_official 15:a81a8d6c1dfe 55 * configuration setting is ignored.
mbed_official 15:a81a8d6c1dfe 56 *
mbed_official 15:a81a8d6c1dfe 57 * \param[in] gpio_pin Index of the GPIO pin to configure
mbed_official 15:a81a8d6c1dfe 58 * \param[in] config Configuration settings for the pin
mbed_official 15:a81a8d6c1dfe 59 */
mbed_official 15:a81a8d6c1dfe 60 void port_pin_set_config(
mbed_official 15:a81a8d6c1dfe 61 const uint8_t gpio_pin,
mbed_official 15:a81a8d6c1dfe 62 const struct port_config *const config)
mbed_official 15:a81a8d6c1dfe 63 {
mbed_official 15:a81a8d6c1dfe 64 /* Sanity check arguments */
mbed_official 15:a81a8d6c1dfe 65 Assert(config);
mbed_official 15:a81a8d6c1dfe 66
mbed_official 15:a81a8d6c1dfe 67 struct system_pinmux_config pinmux_config;
mbed_official 15:a81a8d6c1dfe 68 system_pinmux_get_config_defaults(&pinmux_config);
mbed_official 15:a81a8d6c1dfe 69
mbed_official 15:a81a8d6c1dfe 70 pinmux_config.mux_position = SYSTEM_PINMUX_GPIO;
mbed_official 15:a81a8d6c1dfe 71 pinmux_config.direction = (enum system_pinmux_pin_dir)config->direction;
mbed_official 15:a81a8d6c1dfe 72 pinmux_config.input_pull = (enum system_pinmux_pin_pull)config->input_pull;
mbed_official 15:a81a8d6c1dfe 73 pinmux_config.powersave = config->powersave;
mbed_official 15:a81a8d6c1dfe 74
mbed_official 15:a81a8d6c1dfe 75 system_pinmux_pin_set_config(gpio_pin, &pinmux_config);
mbed_official 15:a81a8d6c1dfe 76 }
mbed_official 15:a81a8d6c1dfe 77
mbed_official 15:a81a8d6c1dfe 78 /**
mbed_official 15:a81a8d6c1dfe 79 * \brief Writes a Port group configuration group to the hardware module.
mbed_official 15:a81a8d6c1dfe 80 *
mbed_official 15:a81a8d6c1dfe 81 * Writes out a given configuration of a Port group configuration to the
mbed_official 15:a81a8d6c1dfe 82 * hardware module.
mbed_official 15:a81a8d6c1dfe 83 *
mbed_official 15:a81a8d6c1dfe 84 * \note If the pin direction is set as an output, the pull-up/pull-down input
mbed_official 15:a81a8d6c1dfe 85 * configuration setting is ignored.
mbed_official 15:a81a8d6c1dfe 86 *
mbed_official 15:a81a8d6c1dfe 87 * \param[out] port Base of the PORT module to write to
mbed_official 15:a81a8d6c1dfe 88 * \param[in] mask Mask of the port pin(s) to configure
mbed_official 15:a81a8d6c1dfe 89 * \param[in] config Configuration settings for the pin group
mbed_official 15:a81a8d6c1dfe 90 */
mbed_official 15:a81a8d6c1dfe 91 void port_group_set_config(
mbed_official 15:a81a8d6c1dfe 92 PortGroup *const port,
mbed_official 15:a81a8d6c1dfe 93 const uint32_t mask,
mbed_official 15:a81a8d6c1dfe 94 const struct port_config *const config)
mbed_official 15:a81a8d6c1dfe 95 {
mbed_official 15:a81a8d6c1dfe 96 /* Sanity check arguments */
mbed_official 15:a81a8d6c1dfe 97 Assert(port);
mbed_official 15:a81a8d6c1dfe 98 Assert(config);
mbed_official 15:a81a8d6c1dfe 99
mbed_official 15:a81a8d6c1dfe 100 struct system_pinmux_config pinmux_config;
mbed_official 15:a81a8d6c1dfe 101 system_pinmux_get_config_defaults(&pinmux_config);
mbed_official 15:a81a8d6c1dfe 102
mbed_official 15:a81a8d6c1dfe 103 pinmux_config.mux_position = SYSTEM_PINMUX_GPIO;
mbed_official 15:a81a8d6c1dfe 104 pinmux_config.direction = (enum system_pinmux_pin_dir)config->direction;
mbed_official 15:a81a8d6c1dfe 105 pinmux_config.input_pull = (enum system_pinmux_pin_pull)config->input_pull;
mbed_official 15:a81a8d6c1dfe 106 pinmux_config.powersave = config->powersave;
mbed_official 15:a81a8d6c1dfe 107
mbed_official 15:a81a8d6c1dfe 108 system_pinmux_group_set_config(port, mask, &pinmux_config);
mbed_official 15:a81a8d6c1dfe 109 }