不韋 呂 / F746_Spectrogram

Realtime spectrogram for DISCO-F746NG. On-board MEMS microphone is used for input sound signal. リアルタイムスペクトログラム．入力：MEMSマイク

Dependencies:   F746_GUI F746_SAI_IO UIT_FFT_Real

mbed_src_STM32F7/common/gpio.c@6:b3885567877c, 2017-04-10 (annotated)

Committer:
MikamiUitOpen
Date:
Mon Apr 10 13:43:07 2017 +0000
Revision:
6:b3885567877c
Parent:
4:c1beacfc42c7 
7

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 4:c1beacfc42c7 1 /* mbed Microcontroller Library
MikamiUitOpen 4:c1beacfc42c7 2 * Copyright (c) 2006-2013 ARM Limited
MikamiUitOpen 4:c1beacfc42c7 3 *
MikamiUitOpen 4:c1beacfc42c7 4 * Licensed under the Apache License, Version 2.0 (the "License");
MikamiUitOpen 4:c1beacfc42c7 5 * you may not use this file except in compliance with the License.
MikamiUitOpen 4:c1beacfc42c7 6 * You may obtain a copy of the License at
MikamiUitOpen 4:c1beacfc42c7 7 *
MikamiUitOpen 4:c1beacfc42c7 8 * http://www.apache.org/licenses/LICENSE-2.0
MikamiUitOpen 4:c1beacfc42c7 9 *
MikamiUitOpen 4:c1beacfc42c7 10 * Unless required by applicable law or agreed to in writing, software
MikamiUitOpen 4:c1beacfc42c7 11 * distributed under the License is distributed on an "AS IS" BASIS,
MikamiUitOpen 4:c1beacfc42c7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MikamiUitOpen 4:c1beacfc42c7 13 * See the License for the specific language governing permissions and
MikamiUitOpen 4:c1beacfc42c7 14 * limitations under the License.
MikamiUitOpen 4:c1beacfc42c7 15 */
MikamiUitOpen 4:c1beacfc42c7 16 #include "gpio_api.h"
MikamiUitOpen 4:c1beacfc42c7 17
MikamiUitOpen 4:c1beacfc42c7 18 static inline void _gpio_init_in(gpio_t* gpio, PinName pin, PinMode mode)
MikamiUitOpen 4:c1beacfc42c7 19 {
MikamiUitOpen 4:c1beacfc42c7 20 gpio_init(gpio, pin);
MikamiUitOpen 4:c1beacfc42c7 21 if (pin != NC) {
MikamiUitOpen 4:c1beacfc42c7 22 gpio_dir(gpio, PIN_INPUT);
MikamiUitOpen 4:c1beacfc42c7 23 gpio_mode(gpio, mode);
MikamiUitOpen 4:c1beacfc42c7 24 }
MikamiUitOpen 4:c1beacfc42c7 25 }
MikamiUitOpen 4:c1beacfc42c7 26
MikamiUitOpen 4:c1beacfc42c7 27 static inline void _gpio_init_out(gpio_t* gpio, PinName pin, PinMode mode, int value)
MikamiUitOpen 4:c1beacfc42c7 28 {
MikamiUitOpen 4:c1beacfc42c7 29 gpio_init(gpio, pin);
MikamiUitOpen 4:c1beacfc42c7 30 if (pin != NC) {
MikamiUitOpen 4:c1beacfc42c7 31 gpio_write(gpio, value);
MikamiUitOpen 4:c1beacfc42c7 32 gpio_dir(gpio, PIN_OUTPUT);
MikamiUitOpen 4:c1beacfc42c7 33 gpio_mode(gpio, mode);
MikamiUitOpen 4:c1beacfc42c7 34 }
MikamiUitOpen 4:c1beacfc42c7 35 }
MikamiUitOpen 4:c1beacfc42c7 36
MikamiUitOpen 4:c1beacfc42c7 37 void gpio_init_in(gpio_t* gpio, PinName pin) {
MikamiUitOpen 4:c1beacfc42c7 38 gpio_init_in_ex(gpio, pin, PullDefault);
MikamiUitOpen 4:c1beacfc42c7 39 }
MikamiUitOpen 4:c1beacfc42c7 40
MikamiUitOpen 4:c1beacfc42c7 41 void gpio_init_in_ex(gpio_t* gpio, PinName pin, PinMode mode) {
MikamiUitOpen 4:c1beacfc42c7 42 _gpio_init_in(gpio, pin, mode);
MikamiUitOpen 4:c1beacfc42c7 43 }
MikamiUitOpen 4:c1beacfc42c7 44
MikamiUitOpen 4:c1beacfc42c7 45 void gpio_init_out(gpio_t* gpio, PinName pin) {
MikamiUitOpen 4:c1beacfc42c7 46 gpio_init_out_ex(gpio, pin, 0);
MikamiUitOpen 4:c1beacfc42c7 47 }
MikamiUitOpen 4:c1beacfc42c7 48
MikamiUitOpen 4:c1beacfc42c7 49 void gpio_init_out_ex(gpio_t* gpio, PinName pin, int value) {
MikamiUitOpen 4:c1beacfc42c7 50 _gpio_init_out(gpio, pin, PullNone, value);
MikamiUitOpen 4:c1beacfc42c7 51 }
MikamiUitOpen 4:c1beacfc42c7 52
MikamiUitOpen 4:c1beacfc42c7 53 void gpio_init_inout(gpio_t* gpio, PinName pin, PinDirection direction, PinMode mode, int value) {
MikamiUitOpen 4:c1beacfc42c7 54 if (direction == PIN_INPUT) {
MikamiUitOpen 4:c1beacfc42c7 55 _gpio_init_in(gpio, pin, mode);
MikamiUitOpen 4:c1beacfc42c7 56 if (pin != NC)
MikamiUitOpen 4:c1beacfc42c7 57 gpio_write(gpio, value); // we prepare the value in case it is switched later
MikamiUitOpen 4:c1beacfc42c7 58 } else {
MikamiUitOpen 4:c1beacfc42c7 59 _gpio_init_out(gpio, pin, mode, value);
MikamiUitOpen 4:c1beacfc42c7 60 }
MikamiUitOpen 4:c1beacfc42c7 61 }