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Diff: common/gpio.c
- Revision:
- 145:ce498f071de9
- Parent:
- 144:ef7eb2e8f9f7
- Child:
- 146:11f9a9a04805
--- a/common/gpio.c Fri Sep 02 15:07:44 2016 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,61 +0,0 @@ -/* mbed Microcontroller Library - * Copyright (c) 2006-2013 ARM Limited - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -#include "gpio_api.h" - -static inline void _gpio_init_in(gpio_t* gpio, PinName pin, PinMode mode) -{ - gpio_init(gpio, pin); - if (pin != NC) { - gpio_dir(gpio, PIN_INPUT); - gpio_mode(gpio, mode); - } -} - -static inline void _gpio_init_out(gpio_t* gpio, PinName pin, PinMode mode, int value) -{ - gpio_init(gpio, pin); - if (pin != NC) { - gpio_write(gpio, value); - gpio_dir(gpio, PIN_OUTPUT); - gpio_mode(gpio, mode); - } -} - -void gpio_init_in(gpio_t* gpio, PinName pin) { - gpio_init_in_ex(gpio, pin, PullDefault); -} - -void gpio_init_in_ex(gpio_t* gpio, PinName pin, PinMode mode) { - _gpio_init_in(gpio, pin, mode); -} - -void gpio_init_out(gpio_t* gpio, PinName pin) { - gpio_init_out_ex(gpio, pin, 0); -} - -void gpio_init_out_ex(gpio_t* gpio, PinName pin, int value) { - _gpio_init_out(gpio, pin, PullNone, value); -} - -void gpio_init_inout(gpio_t* gpio, PinName pin, PinDirection direction, PinMode mode, int value) { - if (direction == PIN_INPUT) { - _gpio_init_in(gpio, pin, mode); - if (pin != NC) - gpio_write(gpio, value); // we prepare the value in case it is switched later - } else { - _gpio_init_out(gpio, pin, mode, value); - } -}