| /* |
| * Copyright (c) 2016, Freescale Semiconductor, Inc. |
| * Copyright 2016-2017 NXP |
| * |
| * Redistribution and use in source and binary forms, with or without modification, |
| * are permitted provided that the following conditions are met: |
| * |
| * o Redistributions of source code must retain the above copyright notice, this list |
| * of conditions and the following disclaimer. |
| * |
| * o 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. |
| * |
| * o Neither the name of the copyright holder nor the names of its |
| * contributors may be used to endorse or promote products derived from this |
| * software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS 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. |
| */ |
| |
| #include "fsl_gpio.h" |
| |
| /******************************************************************************* |
| * Variables |
| ******************************************************************************/ |
| |
| /******************************************************************************* |
| * Prototypes |
| ************ ******************************************************************/ |
| |
| /******************************************************************************* |
| * Code |
| ******************************************************************************/ |
| |
| void GPIO_PinInit(GPIO_Type *base, uint32_t port, uint32_t pin, const gpio_pin_config_t *config) |
| { |
| if (config->pinDirection == kGPIO_DigitalInput) |
| { |
| base->DIR[port] &= ~(1U << pin); |
| } |
| else |
| { |
| /* Set default output value */ |
| if (config->outputLogic == 0U) |
| { |
| base->CLR[port] = (1U << pin); |
| } |
| else |
| { |
| base->SET[port] = (1U << pin); |
| } |
| /* Set pin direction */ |
| base->DIR[port] |= 1U << pin; |
| } |
| } |