DSP Book Yeditepe / mbed_f401re

mbed library sources with internal temperature sensor for nucleo f401

common/gpio.c@0:7e2bd16f80af, 2015-01-17 (annotated)

Committer:
elessair
Date:
Sat Jan 17 18:03:58 2015 +0000
Revision:
0:7e2bd16f80af
nucleo f401re internal temperature added

Who changed what in which revision?

UserRevisionLine numberNew contents of line
elessair 0:7e2bd16f80af 1 /* mbed Microcontroller Library
elessair 0:7e2bd16f80af 2 * Copyright (c) 2006-2013 ARM Limited
elessair 0:7e2bd16f80af 3 *
elessair 0:7e2bd16f80af 4 * Licensed under the Apache License, Version 2.0 (the "License");
elessair 0:7e2bd16f80af 5 * you may not use this file except in compliance with the License.
elessair 0:7e2bd16f80af 6 * You may obtain a copy of the License at
elessair 0:7e2bd16f80af 7 *
elessair 0:7e2bd16f80af 8 * http://www.apache.org/licenses/LICENSE-2.0
elessair 0:7e2bd16f80af 9 *
elessair 0:7e2bd16f80af 10 * Unless required by applicable law or agreed to in writing, software
elessair 0:7e2bd16f80af 11 * distributed under the License is distributed on an "AS IS" BASIS,
elessair 0:7e2bd16f80af 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
elessair 0:7e2bd16f80af 13 * See the License for the specific language governing permissions and
elessair 0:7e2bd16f80af 14 * limitations under the License.
elessair 0:7e2bd16f80af 15 */
elessair 0:7e2bd16f80af 16 #include "gpio_api.h"
elessair 0:7e2bd16f80af 17
elessair 0:7e2bd16f80af 18 static inline void _gpio_init_in(gpio_t* gpio, PinName pin, PinMode mode)
elessair 0:7e2bd16f80af 19 {
elessair 0:7e2bd16f80af 20 gpio_init(gpio, pin);
elessair 0:7e2bd16f80af 21 if (pin != NC) {
elessair 0:7e2bd16f80af 22 gpio_dir(gpio, PIN_INPUT);
elessair 0:7e2bd16f80af 23 gpio_mode(gpio, mode);
elessair 0:7e2bd16f80af 24 }
elessair 0:7e2bd16f80af 25 }
elessair 0:7e2bd16f80af 26
elessair 0:7e2bd16f80af 27 static inline void _gpio_init_out(gpio_t* gpio, PinName pin, PinMode mode, int value)
elessair 0:7e2bd16f80af 28 {
elessair 0:7e2bd16f80af 29 gpio_init(gpio, pin);
elessair 0:7e2bd16f80af 30 if (pin != NC) {
elessair 0:7e2bd16f80af 31 gpio_write(gpio, value);
elessair 0:7e2bd16f80af 32 gpio_dir(gpio, PIN_OUTPUT);
elessair 0:7e2bd16f80af 33 gpio_mode(gpio, mode);
elessair 0:7e2bd16f80af 34 }
elessair 0:7e2bd16f80af 35 }
elessair 0:7e2bd16f80af 36
elessair 0:7e2bd16f80af 37 void gpio_init_in(gpio_t* gpio, PinName pin) {
elessair 0:7e2bd16f80af 38 gpio_init_in_ex(gpio, pin, PullDefault);
elessair 0:7e2bd16f80af 39 }
elessair 0:7e2bd16f80af 40
elessair 0:7e2bd16f80af 41 void gpio_init_in_ex(gpio_t* gpio, PinName pin, PinMode mode) {
elessair 0:7e2bd16f80af 42 _gpio_init_in(gpio, pin, mode);
elessair 0:7e2bd16f80af 43 }
elessair 0:7e2bd16f80af 44
elessair 0:7e2bd16f80af 45 void gpio_init_out(gpio_t* gpio, PinName pin) {
elessair 0:7e2bd16f80af 46 gpio_init_out_ex(gpio, pin, 0);
elessair 0:7e2bd16f80af 47 }
elessair 0:7e2bd16f80af 48
elessair 0:7e2bd16f80af 49 void gpio_init_out_ex(gpio_t* gpio, PinName pin, int value) {
elessair 0:7e2bd16f80af 50 _gpio_init_out(gpio, pin, PullNone, value);
elessair 0:7e2bd16f80af 51 }
elessair 0:7e2bd16f80af 52
elessair 0:7e2bd16f80af 53 void gpio_init_inout(gpio_t* gpio, PinName pin, PinDirection direction, PinMode mode, int value) {
elessair 0:7e2bd16f80af 54 if (direction == PIN_INPUT) {
elessair 0:7e2bd16f80af 55 _gpio_init_in(gpio, pin, mode);
elessair 0:7e2bd16f80af 56 if (pin != NC)
elessair 0:7e2bd16f80af 57 gpio_write(gpio, value); // we prepare the value in case it is switched later
elessair 0:7e2bd16f80af 58 } else {
elessair 0:7e2bd16f80af 59 _gpio_init_out(gpio, pin, mode, value);
elessair 0:7e2bd16f80af 60 }
elessair 0:7e2bd16f80af 61 }