jesus antonio lopez / mbed

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Dependents:   2doejemplo Labo_TRSE_Drone

Fork of mbed by mbed official

TARGET_LPC812/gpio_object.h@71:7ec3cb6bbcc4, 2013-11-29 (annotated)

Committer:
jalp89
Date:
Fri Nov 29 09:39:46 2013 +0000
Revision:
71:7ec3cb6bbcc4
Parent:
66:9c8f0e3462fb 
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Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 66:9c8f0e3462fb 1 /* mbed Microcontroller Library
bogdanm 66:9c8f0e3462fb 2 * Copyright (c) 2006-2013 ARM Limited
bogdanm 66:9c8f0e3462fb 3 *
bogdanm 66:9c8f0e3462fb 4 * Licensed under the Apache License, Version 2.0 (the "License");
bogdanm 66:9c8f0e3462fb 5 * you may not use this file except in compliance with the License.
bogdanm 66:9c8f0e3462fb 6 * You may obtain a copy of the License at
bogdanm 66:9c8f0e3462fb 7 *
bogdanm 66:9c8f0e3462fb 8 * http://www.apache.org/licenses/LICENSE-2.0
bogdanm 66:9c8f0e3462fb 9 *
bogdanm 66:9c8f0e3462fb 10 * Unless required by applicable law or agreed to in writing, software
bogdanm 66:9c8f0e3462fb 11 * distributed under the License is distributed on an "AS IS" BASIS,
bogdanm 66:9c8f0e3462fb 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
bogdanm 66:9c8f0e3462fb 13 * See the License for the specific language governing permissions and
bogdanm 66:9c8f0e3462fb 14 * limitations under the License.
bogdanm 66:9c8f0e3462fb 15 */
bogdanm 66:9c8f0e3462fb 16 #ifndef MBED_GPIO_OBJECT_H
bogdanm 66:9c8f0e3462fb 17 #define MBED_GPIO_OBJECT_H
bogdanm 66:9c8f0e3462fb 18
bogdanm 66:9c8f0e3462fb 19 #ifdef __cplusplus
bogdanm 66:9c8f0e3462fb 20 extern "C" {
bogdanm 66:9c8f0e3462fb 21 #endif
bogdanm 66:9c8f0e3462fb 22
bogdanm 66:9c8f0e3462fb 23 typedef struct {
bogdanm 66:9c8f0e3462fb 24 PinName pin;
bogdanm 66:9c8f0e3462fb 25 uint32_t mask;
bogdanm 66:9c8f0e3462fb 26
bogdanm 66:9c8f0e3462fb 27 __IO uint32_t *reg_dir;
bogdanm 66:9c8f0e3462fb 28 __IO uint32_t *reg_set;
bogdanm 66:9c8f0e3462fb 29 __IO uint32_t *reg_clr;
bogdanm 66:9c8f0e3462fb 30 __I uint32_t *reg_in;
bogdanm 66:9c8f0e3462fb 31 } gpio_t;
bogdanm 66:9c8f0e3462fb 32
bogdanm 66:9c8f0e3462fb 33 static inline void gpio_write(gpio_t *obj, int value) {
bogdanm 66:9c8f0e3462fb 34 if (value)
bogdanm 66:9c8f0e3462fb 35 *obj->reg_set = obj->mask;
bogdanm 66:9c8f0e3462fb 36 else
bogdanm 66:9c8f0e3462fb 37 *obj->reg_clr = obj->mask;
bogdanm 66:9c8f0e3462fb 38 }
bogdanm 66:9c8f0e3462fb 39
bogdanm 66:9c8f0e3462fb 40 static inline int gpio_read(gpio_t *obj) {
bogdanm 66:9c8f0e3462fb 41 return ((*obj->reg_in & obj->mask) ? 1 : 0);
bogdanm 66:9c8f0e3462fb 42 }
bogdanm 66:9c8f0e3462fb 43
bogdanm 66:9c8f0e3462fb 44 #ifdef __cplusplus
bogdanm 66:9c8f0e3462fb 45 }
bogdanm 66:9c8f0e3462fb 46 #endif
bogdanm 66:9c8f0e3462fb 47
bogdanm 66:9c8f0e3462fb 48 #endif