SPKT
Dependencies: F746_GUI SD_PlayerSkeleton F746_SAI_IO
SRC_STM32F7/common/gpio.c@0:8ede47d38d10, 2019-06-04 (annotated)
- Committer:
- phungductung
- Date:
- Tue Jun 04 21:37:21 2019 +0000
- Revision:
- 0:8ede47d38d10
SPKT
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
phungductung | 0:8ede47d38d10 | 1 | /* mbed Microcontroller Library |
phungductung | 0:8ede47d38d10 | 2 | * Copyright (c) 2006-2013 ARM Limited |
phungductung | 0:8ede47d38d10 | 3 | * |
phungductung | 0:8ede47d38d10 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
phungductung | 0:8ede47d38d10 | 5 | * you may not use this file except in compliance with the License. |
phungductung | 0:8ede47d38d10 | 6 | * You may obtain a copy of the License at |
phungductung | 0:8ede47d38d10 | 7 | * |
phungductung | 0:8ede47d38d10 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
phungductung | 0:8ede47d38d10 | 9 | * |
phungductung | 0:8ede47d38d10 | 10 | * Unless required by applicable law or agreed to in writing, software |
phungductung | 0:8ede47d38d10 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
phungductung | 0:8ede47d38d10 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
phungductung | 0:8ede47d38d10 | 13 | * See the License for the specific language governing permissions and |
phungductung | 0:8ede47d38d10 | 14 | * limitations under the License. |
phungductung | 0:8ede47d38d10 | 15 | */ |
phungductung | 0:8ede47d38d10 | 16 | #include "gpio_api.h" |
phungductung | 0:8ede47d38d10 | 17 | |
phungductung | 0:8ede47d38d10 | 18 | static inline void _gpio_init_in(gpio_t* gpio, PinName pin, PinMode mode) |
phungductung | 0:8ede47d38d10 | 19 | { |
phungductung | 0:8ede47d38d10 | 20 | gpio_init(gpio, pin); |
phungductung | 0:8ede47d38d10 | 21 | if (pin != NC) { |
phungductung | 0:8ede47d38d10 | 22 | gpio_dir(gpio, PIN_INPUT); |
phungductung | 0:8ede47d38d10 | 23 | gpio_mode(gpio, mode); |
phungductung | 0:8ede47d38d10 | 24 | } |
phungductung | 0:8ede47d38d10 | 25 | } |
phungductung | 0:8ede47d38d10 | 26 | |
phungductung | 0:8ede47d38d10 | 27 | static inline void _gpio_init_out(gpio_t* gpio, PinName pin, PinMode mode, int value) |
phungductung | 0:8ede47d38d10 | 28 | { |
phungductung | 0:8ede47d38d10 | 29 | gpio_init(gpio, pin); |
phungductung | 0:8ede47d38d10 | 30 | if (pin != NC) { |
phungductung | 0:8ede47d38d10 | 31 | gpio_write(gpio, value); |
phungductung | 0:8ede47d38d10 | 32 | gpio_dir(gpio, PIN_OUTPUT); |
phungductung | 0:8ede47d38d10 | 33 | gpio_mode(gpio, mode); |
phungductung | 0:8ede47d38d10 | 34 | } |
phungductung | 0:8ede47d38d10 | 35 | } |
phungductung | 0:8ede47d38d10 | 36 | |
phungductung | 0:8ede47d38d10 | 37 | void gpio_init_in(gpio_t* gpio, PinName pin) { |
phungductung | 0:8ede47d38d10 | 38 | gpio_init_in_ex(gpio, pin, PullDefault); |
phungductung | 0:8ede47d38d10 | 39 | } |
phungductung | 0:8ede47d38d10 | 40 | |
phungductung | 0:8ede47d38d10 | 41 | void gpio_init_in_ex(gpio_t* gpio, PinName pin, PinMode mode) { |
phungductung | 0:8ede47d38d10 | 42 | _gpio_init_in(gpio, pin, mode); |
phungductung | 0:8ede47d38d10 | 43 | } |
phungductung | 0:8ede47d38d10 | 44 | |
phungductung | 0:8ede47d38d10 | 45 | void gpio_init_out(gpio_t* gpio, PinName pin) { |
phungductung | 0:8ede47d38d10 | 46 | gpio_init_out_ex(gpio, pin, 0); |
phungductung | 0:8ede47d38d10 | 47 | } |
phungductung | 0:8ede47d38d10 | 48 | |
phungductung | 0:8ede47d38d10 | 49 | void gpio_init_out_ex(gpio_t* gpio, PinName pin, int value) { |
phungductung | 0:8ede47d38d10 | 50 | _gpio_init_out(gpio, pin, PullNone, value); |
phungductung | 0:8ede47d38d10 | 51 | } |
phungductung | 0:8ede47d38d10 | 52 | |
phungductung | 0:8ede47d38d10 | 53 | void gpio_init_inout(gpio_t* gpio, PinName pin, PinDirection direction, PinMode mode, int value) { |
phungductung | 0:8ede47d38d10 | 54 | if (direction == PIN_INPUT) { |
phungductung | 0:8ede47d38d10 | 55 | _gpio_init_in(gpio, pin, mode); |
phungductung | 0:8ede47d38d10 | 56 | if (pin != NC) |
phungductung | 0:8ede47d38d10 | 57 | gpio_write(gpio, value); // we prepare the value in case it is switched later |
phungductung | 0:8ede47d38d10 | 58 | } else { |
phungductung | 0:8ede47d38d10 | 59 | _gpio_init_out(gpio, pin, mode, value); |
phungductung | 0:8ede47d38d10 | 60 | } |
phungductung | 0:8ede47d38d10 | 61 | } |