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Dependents:   SPI_slave_frdm

Fork of mbed-src by mbed official

targets/hal/TARGET_NXP/TARGET_LPC15XX/gpio_object.h@455:8bc3a354916d, 2015-01-27 (annotated)

Committer:
mbed_official
Date:
Tue Jan 27 13:30:08 2015 +0000
Revision:
455:8bc3a354916d
Parent:
227:7bd0639b8911 
Synchronized with git revision de09d163deef812a246ac8c48fb2978385bc7b53



Full URL: https://github.com/mbedmicro/mbed/commit/de09d163deef812a246ac8c48fb2978385bc7b53/

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 103:9b881da47c92 1 /* mbed Microcontroller Library
mbed_official 103:9b881da47c92 2 * Copyright (c) 2006-2013 ARM Limited
mbed_official 103:9b881da47c92 3 *
mbed_official 103:9b881da47c92 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 103:9b881da47c92 5 * you may not use this file except in compliance with the License.
mbed_official 103:9b881da47c92 6 * You may obtain a copy of the License at
mbed_official 103:9b881da47c92 7 *
mbed_official 103:9b881da47c92 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 103:9b881da47c92 9 *
mbed_official 103:9b881da47c92 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 103:9b881da47c92 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 103:9b881da47c92 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 103:9b881da47c92 13 * See the License for the specific language governing permissions and
mbed_official 103:9b881da47c92 14 * limitations under the License.
mbed_official 103:9b881da47c92 15 */
mbed_official 103:9b881da47c92 16 #ifndef MBED_GPIO_OBJECT_H
mbed_official 103:9b881da47c92 17 #define MBED_GPIO_OBJECT_H
mbed_official 103:9b881da47c92 18
mbed_official 227:7bd0639b8911 19 #include "mbed_assert.h"
mbed_official 227:7bd0639b8911 20
mbed_official 103:9b881da47c92 21 #ifdef __cplusplus
mbed_official 103:9b881da47c92 22 extern "C" {
mbed_official 103:9b881da47c92 23 #endif
mbed_official 103:9b881da47c92 24
mbed_official 103:9b881da47c92 25 typedef struct {
mbed_official 103:9b881da47c92 26 PinName pin;
mbed_official 103:9b881da47c92 27 uint32_t mask;
mbed_official 103:9b881da47c92 28
mbed_official 103:9b881da47c92 29 __IO uint32_t *reg_dir;
mbed_official 103:9b881da47c92 30 __IO uint32_t *reg_set;
mbed_official 103:9b881da47c92 31 __IO uint32_t *reg_clr;
mbed_official 103:9b881da47c92 32 __I uint32_t *reg_in;
mbed_official 103:9b881da47c92 33 } gpio_t;
mbed_official 103:9b881da47c92 34
mbed_official 103:9b881da47c92 35 static inline void gpio_write(gpio_t *obj, int value) {
mbed_official 227:7bd0639b8911 36 MBED_ASSERT(obj->pin != (PinName)NC);
mbed_official 227:7bd0639b8911 37
mbed_official 103:9b881da47c92 38 if (value)
mbed_official 103:9b881da47c92 39 *obj->reg_set = obj->mask;
mbed_official 103:9b881da47c92 40 else
mbed_official 103:9b881da47c92 41 *obj->reg_clr = obj->mask;
mbed_official 103:9b881da47c92 42 }
mbed_official 103:9b881da47c92 43
mbed_official 103:9b881da47c92 44 static inline int gpio_read(gpio_t *obj) {
mbed_official 227:7bd0639b8911 45 MBED_ASSERT(obj->pin != (PinName)NC);
mbed_official 103:9b881da47c92 46 return ((*obj->reg_in & obj->mask) ? 1 : 0);
mbed_official 103:9b881da47c92 47 }
mbed_official 103:9b881da47c92 48
mbed_official 455:8bc3a354916d 49 static inline int gpio_is_connected(const gpio_t *obj) {
mbed_official 455:8bc3a354916d 50 return obj->pin != (PinName)NC;
mbed_official 455:8bc3a354916d 51 }
mbed_official 455:8bc3a354916d 52
mbed_official 103:9b881da47c92 53 #ifdef __cplusplus
mbed_official 103:9b881da47c92 54 }
mbed_official 103:9b881da47c92 55 #endif
mbed_official 103:9b881da47c92 56
mbed_official 103:9b881da47c92 57 #endif