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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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:

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The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

targets/hal/TARGET_NXP/TARGET_LPC43XX/gpio_object.h@463:5c73c3744533, 2015-02-03 (annotated)

Committer:
mbed_official
Date:
Tue Feb 03 17:00:07 2015 +0000
Revision:
463:5c73c3744533
Parent:
455:8bc3a354916d 
Synchronized with git revision 134a67aab259d410373367cb96b73420b390d385



Full URL: https://github.com/mbedmicro/mbed/commit/134a67aab259d410373367cb96b73420b390d385/

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 20:4263a77256ae 1 /* mbed Microcontroller Library
bogdanm 20:4263a77256ae 2 * Copyright (c) 2006-2013 ARM Limited
bogdanm 20:4263a77256ae 3 *
bogdanm 20:4263a77256ae 4 * Licensed under the Apache License, Version 2.0 (the "License");
bogdanm 20:4263a77256ae 5 * you may not use this file except in compliance with the License.
bogdanm 20:4263a77256ae 6 * You may obtain a copy of the License at
bogdanm 20:4263a77256ae 7 *
bogdanm 20:4263a77256ae 8 * http://www.apache.org/licenses/LICENSE-2.0
bogdanm 20:4263a77256ae 9 *
bogdanm 20:4263a77256ae 10 * Unless required by applicable law or agreed to in writing, software
bogdanm 20:4263a77256ae 11 * distributed under the License is distributed on an "AS IS" BASIS,
bogdanm 20:4263a77256ae 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
bogdanm 20:4263a77256ae 13 * See the License for the specific language governing permissions and
bogdanm 20:4263a77256ae 14 * limitations under the License.
bogdanm 20:4263a77256ae 15 */
bogdanm 20:4263a77256ae 16 #ifndef MBED_GPIO_OBJECT_H
bogdanm 20:4263a77256ae 17 #define MBED_GPIO_OBJECT_H
bogdanm 20:4263a77256ae 18
mbed_official 227:7bd0639b8911 19 #include "mbed_assert.h"
mbed_official 227:7bd0639b8911 20
bogdanm 20:4263a77256ae 21 #ifdef __cplusplus
bogdanm 20:4263a77256ae 22 extern "C" {
bogdanm 20:4263a77256ae 23 #endif
bogdanm 20:4263a77256ae 24
bogdanm 20:4263a77256ae 25 typedef struct {
bogdanm 20:4263a77256ae 26 PinName pin;
bogdanm 20:4263a77256ae 27 uint32_t mask;
bogdanm 20:4263a77256ae 28
bogdanm 20:4263a77256ae 29 __IO uint32_t *reg_dir;
bogdanm 20:4263a77256ae 30 __IO uint32_t *reg_set;
bogdanm 20:4263a77256ae 31 __IO uint32_t *reg_clr;
bogdanm 20:4263a77256ae 32 __I uint32_t *reg_in;
bogdanm 20:4263a77256ae 33 } gpio_t;
bogdanm 20:4263a77256ae 34
bogdanm 20:4263a77256ae 35 static inline void gpio_write(gpio_t *obj, int value) {
mbed_official 227:7bd0639b8911 36 MBED_ASSERT(obj->pin != (PinName)NC);
bogdanm 20:4263a77256ae 37 if (value)
bogdanm 20:4263a77256ae 38 *obj->reg_set = obj->mask;
bogdanm 20:4263a77256ae 39 else
bogdanm 20:4263a77256ae 40 *obj->reg_clr = obj->mask;
bogdanm 20:4263a77256ae 41 }
bogdanm 20:4263a77256ae 42
bogdanm 20:4263a77256ae 43 static inline int gpio_read(gpio_t *obj) {
mbed_official 227:7bd0639b8911 44 MBED_ASSERT(obj->pin != (PinName)NC);
bogdanm 20:4263a77256ae 45 return ((*obj->reg_in & obj->mask) ? 1 : 0);
bogdanm 20:4263a77256ae 46 }
bogdanm 20:4263a77256ae 47
mbed_official 455:8bc3a354916d 48 static inline int gpio_is_connected(const gpio_t *obj) {
mbed_official 455:8bc3a354916d 49 return obj->pin != (PinName)NC;
mbed_official 455:8bc3a354916d 50 }
mbed_official 455:8bc3a354916d 51
bogdanm 20:4263a77256ae 52 #ifdef __cplusplus
bogdanm 20:4263a77256ae 53 }
bogdanm 20:4263a77256ae 54 #endif
bogdanm 20:4263a77256ae 55
bogdanm 20:4263a77256ae 56 #endif