Maxim nexpaq / nexpaq_dev

Preliminary main mbed library for nexpaq development

hal/common/mbed_gpio.c@0:6c56fb4bc5f0, 2016-11-04 (annotated)

Committer:
nexpaq
Date:
Fri Nov 04 20:27:58 2016 +0000
Revision:
0:6c56fb4bc5f0
Moving to library for sharing updates

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nexpaq 0:6c56fb4bc5f0 1 /* mbed Microcontroller Library
nexpaq 0:6c56fb4bc5f0 2 * Copyright (c) 2006-2013 ARM Limited
nexpaq 0:6c56fb4bc5f0 3 *
nexpaq 0:6c56fb4bc5f0 4 * Licensed under the Apache License, Version 2.0 (the "License");
nexpaq 0:6c56fb4bc5f0 5 * you may not use this file except in compliance with the License.
nexpaq 0:6c56fb4bc5f0 6 * You may obtain a copy of the License at
nexpaq 0:6c56fb4bc5f0 7 *
nexpaq 0:6c56fb4bc5f0 8 * http://www.apache.org/licenses/LICENSE-2.0
nexpaq 0:6c56fb4bc5f0 9 *
nexpaq 0:6c56fb4bc5f0 10 * Unless required by applicable law or agreed to in writing, software
nexpaq 0:6c56fb4bc5f0 11 * distributed under the License is distributed on an "AS IS" BASIS,
nexpaq 0:6c56fb4bc5f0 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
nexpaq 0:6c56fb4bc5f0 13 * See the License for the specific language governing permissions and
nexpaq 0:6c56fb4bc5f0 14 * limitations under the License.
nexpaq 0:6c56fb4bc5f0 15 */
nexpaq 0:6c56fb4bc5f0 16 #include "gpio_api.h"
nexpaq 0:6c56fb4bc5f0 17
nexpaq 0:6c56fb4bc5f0 18 static inline void _gpio_init_in(gpio_t* gpio, PinName pin, PinMode mode)
nexpaq 0:6c56fb4bc5f0 19 {
nexpaq 0:6c56fb4bc5f0 20 gpio_init(gpio, pin);
nexpaq 0:6c56fb4bc5f0 21 if (pin != NC) {
nexpaq 0:6c56fb4bc5f0 22 gpio_dir(gpio, PIN_INPUT);
nexpaq 0:6c56fb4bc5f0 23 gpio_mode(gpio, mode);
nexpaq 0:6c56fb4bc5f0 24 }
nexpaq 0:6c56fb4bc5f0 25 }
nexpaq 0:6c56fb4bc5f0 26
nexpaq 0:6c56fb4bc5f0 27 static inline void _gpio_init_out(gpio_t* gpio, PinName pin, PinMode mode, int value)
nexpaq 0:6c56fb4bc5f0 28 {
nexpaq 0:6c56fb4bc5f0 29 gpio_init(gpio, pin);
nexpaq 0:6c56fb4bc5f0 30 if (pin != NC) {
nexpaq 0:6c56fb4bc5f0 31 gpio_write(gpio, value);
nexpaq 0:6c56fb4bc5f0 32 gpio_dir(gpio, PIN_OUTPUT);
nexpaq 0:6c56fb4bc5f0 33 gpio_mode(gpio, mode);
nexpaq 0:6c56fb4bc5f0 34 }
nexpaq 0:6c56fb4bc5f0 35 }
nexpaq 0:6c56fb4bc5f0 36
nexpaq 0:6c56fb4bc5f0 37 void gpio_init_in(gpio_t* gpio, PinName pin) {
nexpaq 0:6c56fb4bc5f0 38 gpio_init_in_ex(gpio, pin, PullDefault);
nexpaq 0:6c56fb4bc5f0 39 }
nexpaq 0:6c56fb4bc5f0 40
nexpaq 0:6c56fb4bc5f0 41 void gpio_init_in_ex(gpio_t* gpio, PinName pin, PinMode mode) {
nexpaq 0:6c56fb4bc5f0 42 _gpio_init_in(gpio, pin, mode);
nexpaq 0:6c56fb4bc5f0 43 }
nexpaq 0:6c56fb4bc5f0 44
nexpaq 0:6c56fb4bc5f0 45 void gpio_init_out(gpio_t* gpio, PinName pin) {
nexpaq 0:6c56fb4bc5f0 46 gpio_init_out_ex(gpio, pin, 0);
nexpaq 0:6c56fb4bc5f0 47 }
nexpaq 0:6c56fb4bc5f0 48
nexpaq 0:6c56fb4bc5f0 49 void gpio_init_out_ex(gpio_t* gpio, PinName pin, int value) {
nexpaq 0:6c56fb4bc5f0 50 _gpio_init_out(gpio, pin, PullNone, value);
nexpaq 0:6c56fb4bc5f0 51 }
nexpaq 0:6c56fb4bc5f0 52
nexpaq 0:6c56fb4bc5f0 53 void gpio_init_inout(gpio_t* gpio, PinName pin, PinDirection direction, PinMode mode, int value) {
nexpaq 0:6c56fb4bc5f0 54 if (direction == PIN_INPUT) {
nexpaq 0:6c56fb4bc5f0 55 _gpio_init_in(gpio, pin, mode);
nexpaq 0:6c56fb4bc5f0 56 if (pin != NC)
nexpaq 0:6c56fb4bc5f0 57 gpio_write(gpio, value); // we prepare the value in case it is switched later
nexpaq 0:6c56fb4bc5f0 58 } else {
nexpaq 0:6c56fb4bc5f0 59 _gpio_init_out(gpio, pin, mode, value);
nexpaq 0:6c56fb4bc5f0 60 }
nexpaq 0:6c56fb4bc5f0 61 }