Greg Steiert / pegasus_dev

Development mbed library for MAX32630FTHR

Dependents:   blinky_max32630fthr

hal/mbed_gpio.c@0:5c4d7b2438d3, 2016-11-11 (annotated)

Committer:
switches
Date:
Fri Nov 11 20:59:50 2016 +0000
Revision:
0:5c4d7b2438d3
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
switches 0:5c4d7b2438d3 1 /* mbed Microcontroller Library
switches 0:5c4d7b2438d3 2 * Copyright (c) 2006-2013 ARM Limited
switches 0:5c4d7b2438d3 3 *
switches 0:5c4d7b2438d3 4 * Licensed under the Apache License, Version 2.0 (the "License");
switches 0:5c4d7b2438d3 5 * you may not use this file except in compliance with the License.
switches 0:5c4d7b2438d3 6 * You may obtain a copy of the License at
switches 0:5c4d7b2438d3 7 *
switches 0:5c4d7b2438d3 8 * http://www.apache.org/licenses/LICENSE-2.0
switches 0:5c4d7b2438d3 9 *
switches 0:5c4d7b2438d3 10 * Unless required by applicable law or agreed to in writing, software
switches 0:5c4d7b2438d3 11 * distributed under the License is distributed on an "AS IS" BASIS,
switches 0:5c4d7b2438d3 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
switches 0:5c4d7b2438d3 13 * See the License for the specific language governing permissions and
switches 0:5c4d7b2438d3 14 * limitations under the License.
switches 0:5c4d7b2438d3 15 */
switches 0:5c4d7b2438d3 16 #include "hal/gpio_api.h"
switches 0:5c4d7b2438d3 17
switches 0:5c4d7b2438d3 18 static inline void _gpio_init_in(gpio_t* gpio, PinName pin, PinMode mode)
switches 0:5c4d7b2438d3 19 {
switches 0:5c4d7b2438d3 20 gpio_init(gpio, pin);
switches 0:5c4d7b2438d3 21 if (pin != NC) {
switches 0:5c4d7b2438d3 22 gpio_dir(gpio, PIN_INPUT);
switches 0:5c4d7b2438d3 23 gpio_mode(gpio, mode);
switches 0:5c4d7b2438d3 24 }
switches 0:5c4d7b2438d3 25 }
switches 0:5c4d7b2438d3 26
switches 0:5c4d7b2438d3 27 static inline void _gpio_init_out(gpio_t* gpio, PinName pin, PinMode mode, int value)
switches 0:5c4d7b2438d3 28 {
switches 0:5c4d7b2438d3 29 gpio_init(gpio, pin);
switches 0:5c4d7b2438d3 30 if (pin != NC) {
switches 0:5c4d7b2438d3 31 gpio_write(gpio, value);
switches 0:5c4d7b2438d3 32 gpio_dir(gpio, PIN_OUTPUT);
switches 0:5c4d7b2438d3 33 gpio_mode(gpio, mode);
switches 0:5c4d7b2438d3 34 }
switches 0:5c4d7b2438d3 35 }
switches 0:5c4d7b2438d3 36
switches 0:5c4d7b2438d3 37 void gpio_init_in(gpio_t* gpio, PinName pin) {
switches 0:5c4d7b2438d3 38 gpio_init_in_ex(gpio, pin, PullDefault);
switches 0:5c4d7b2438d3 39 }
switches 0:5c4d7b2438d3 40
switches 0:5c4d7b2438d3 41 void gpio_init_in_ex(gpio_t* gpio, PinName pin, PinMode mode) {
switches 0:5c4d7b2438d3 42 _gpio_init_in(gpio, pin, mode);
switches 0:5c4d7b2438d3 43 }
switches 0:5c4d7b2438d3 44
switches 0:5c4d7b2438d3 45 void gpio_init_out(gpio_t* gpio, PinName pin) {
switches 0:5c4d7b2438d3 46 gpio_init_out_ex(gpio, pin, 0);
switches 0:5c4d7b2438d3 47 }
switches 0:5c4d7b2438d3 48
switches 0:5c4d7b2438d3 49 void gpio_init_out_ex(gpio_t* gpio, PinName pin, int value) {
switches 0:5c4d7b2438d3 50 _gpio_init_out(gpio, pin, PullNone, value);
switches 0:5c4d7b2438d3 51 }
switches 0:5c4d7b2438d3 52
switches 0:5c4d7b2438d3 53 void gpio_init_inout(gpio_t* gpio, PinName pin, PinDirection direction, PinMode mode, int value) {
switches 0:5c4d7b2438d3 54 if (direction == PIN_INPUT) {
switches 0:5c4d7b2438d3 55 _gpio_init_in(gpio, pin, mode);
switches 0:5c4d7b2438d3 56 if (pin != NC)
switches 0:5c4d7b2438d3 57 gpio_write(gpio, value); // we prepare the value in case it is switched later
switches 0:5c4d7b2438d3 58 } else {
switches 0:5c4d7b2438d3 59 _gpio_init_out(gpio, pin, mode, value);
switches 0:5c4d7b2438d3 60 }
switches 0:5c4d7b2438d3 61 }