mbed library sources
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Superseded
This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.
Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.
If you are looking for a stable and tested release, please import one of the official mbed library releases:
Import librarymbed
The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.
common/gpio.c@135:067cc8ba23da, 2014-03-25 (annotated)
- Committer:
- mbed_official
- Date:
- Tue Mar 25 10:15:07 2014 +0000
- Revision:
- 135:067cc8ba23da
- Parent:
- 127:ce7cebc0511f
- Child:
- 160:6870f452afa4
Synchronized with git revision 11bc6fdd038cd58284639ec6ff158b57e4b4bf68
Full URL: https://github.com/mbedmicro/mbed/commit/11bc6fdd038cd58284639ec6ff158b57e4b4bf68/
[NUCLEO_F302R8] Improvements in clock configuration, spi default pins, code formatting
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 113:65a335a675de | 1 | /* mbed Microcontroller Library |
mbed_official | 113:65a335a675de | 2 | * Copyright (c) 2006-2013 ARM Limited |
mbed_official | 113:65a335a675de | 3 | * |
mbed_official | 113:65a335a675de | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
mbed_official | 113:65a335a675de | 5 | * you may not use this file except in compliance with the License. |
mbed_official | 113:65a335a675de | 6 | * You may obtain a copy of the License at |
mbed_official | 113:65a335a675de | 7 | * |
mbed_official | 113:65a335a675de | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
mbed_official | 113:65a335a675de | 9 | * |
mbed_official | 113:65a335a675de | 10 | * Unless required by applicable law or agreed to in writing, software |
mbed_official | 113:65a335a675de | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
mbed_official | 113:65a335a675de | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
mbed_official | 113:65a335a675de | 13 | * See the License for the specific language governing permissions and |
mbed_official | 113:65a335a675de | 14 | * limitations under the License. |
mbed_official | 113:65a335a675de | 15 | */ |
mbed_official | 113:65a335a675de | 16 | #include "gpio_api.h" |
mbed_official | 113:65a335a675de | 17 | |
mbed_official | 113:65a335a675de | 18 | static inline void _gpio_init_in(gpio_t* gpio, PinName pin, PinMode mode) |
mbed_official | 113:65a335a675de | 19 | { |
mbed_official | 127:ce7cebc0511f | 20 | gpio_init(gpio, pin); |
mbed_official | 127:ce7cebc0511f | 21 | gpio_dir(gpio, PIN_INPUT); |
mbed_official | 113:65a335a675de | 22 | gpio_mode(gpio, mode); |
mbed_official | 113:65a335a675de | 23 | } |
mbed_official | 113:65a335a675de | 24 | |
mbed_official | 113:65a335a675de | 25 | static inline void _gpio_init_out(gpio_t* gpio, PinName pin, PinMode mode, int value) |
mbed_official | 113:65a335a675de | 26 | { |
mbed_official | 113:65a335a675de | 27 | gpio_init(gpio, pin); |
mbed_official | 113:65a335a675de | 28 | gpio_write(gpio, value); |
mbed_official | 113:65a335a675de | 29 | gpio_dir(gpio, PIN_OUTPUT); |
mbed_official | 113:65a335a675de | 30 | gpio_mode(gpio, mode); |
mbed_official | 113:65a335a675de | 31 | } |
mbed_official | 113:65a335a675de | 32 | |
mbed_official | 113:65a335a675de | 33 | void gpio_init_in(gpio_t* gpio, PinName pin) { |
mbed_official | 113:65a335a675de | 34 | gpio_init_in_ex(gpio, pin, PullDefault); |
mbed_official | 113:65a335a675de | 35 | } |
mbed_official | 113:65a335a675de | 36 | |
mbed_official | 113:65a335a675de | 37 | void gpio_init_in_ex(gpio_t* gpio, PinName pin, PinMode mode) { |
mbed_official | 113:65a335a675de | 38 | _gpio_init_in(gpio, pin, mode); |
mbed_official | 113:65a335a675de | 39 | } |
mbed_official | 113:65a335a675de | 40 | |
mbed_official | 113:65a335a675de | 41 | void gpio_init_out(gpio_t* gpio, PinName pin) { |
mbed_official | 113:65a335a675de | 42 | gpio_init_out_ex(gpio, pin, 0); |
mbed_official | 113:65a335a675de | 43 | } |
mbed_official | 113:65a335a675de | 44 | |
mbed_official | 113:65a335a675de | 45 | void gpio_init_out_ex(gpio_t* gpio, PinName pin, int value) { |
mbed_official | 113:65a335a675de | 46 | _gpio_init_out(gpio, pin, PullNone, value); |
mbed_official | 113:65a335a675de | 47 | } |
mbed_official | 113:65a335a675de | 48 | |
mbed_official | 113:65a335a675de | 49 | void gpio_init_inout(gpio_t* gpio, PinName pin, PinDirection direction, PinMode mode, int value) { |
mbed_official | 113:65a335a675de | 50 | if (direction == PIN_INPUT) { |
mbed_official | 113:65a335a675de | 51 | _gpio_init_in(gpio, pin, mode); |
mbed_official | 113:65a335a675de | 52 | gpio_write(gpio, value); // we prepare the value in case it is switched later |
mbed_official | 113:65a335a675de | 53 | } else { |
mbed_official | 113:65a335a675de | 54 | _gpio_init_out(gpio, pin, mode, value); |
mbed_official | 113:65a335a675de | 55 | } |
mbed_official | 113:65a335a675de | 56 | } |