George Roussos / BLE_iBeacon_Exercise

Birkbeck College Mobile and Ubiquitous Computing IoT Lab Exercise 2

Dependencies:   BLE_API_Native_blog

mbed/TARGET_NRF51822/gpio_object.h@0:e8fdba0ed044, 2015-03-07 (annotated)

Committer:
gkroussos
Date:
Sat Mar 07 16:34:53 2015 +0000
Revision:
0:e8fdba0ed044
MUC IoT Workshop v1.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gkroussos 0:e8fdba0ed044 1 /* mbed Microcontroller Library
gkroussos 0:e8fdba0ed044 2 * Copyright (c) 2006-2013 ARM Limited
gkroussos 0:e8fdba0ed044 3 *
gkroussos 0:e8fdba0ed044 4 * Licensed under the Apache License, Version 2.0 (the "License");
gkroussos 0:e8fdba0ed044 5 * you may not use this file except in compliance with the License.
gkroussos 0:e8fdba0ed044 6 * You may obtain a copy of the License at
gkroussos 0:e8fdba0ed044 7 *
gkroussos 0:e8fdba0ed044 8 * http://www.apache.org/licenses/LICENSE-2.0
gkroussos 0:e8fdba0ed044 9 *
gkroussos 0:e8fdba0ed044 10 * Unless required by applicable law or agreed to in writing, software
gkroussos 0:e8fdba0ed044 11 * distributed under the License is distributed on an "AS IS" BASIS,
gkroussos 0:e8fdba0ed044 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
gkroussos 0:e8fdba0ed044 13 * See the License for the specific language governing permissions and
gkroussos 0:e8fdba0ed044 14 * limitations under the License.
gkroussos 0:e8fdba0ed044 15 */
gkroussos 0:e8fdba0ed044 16 #ifndef MBED_GPIO_OBJECT_H
gkroussos 0:e8fdba0ed044 17 #define MBED_GPIO_OBJECT_H
gkroussos 0:e8fdba0ed044 18
gkroussos 0:e8fdba0ed044 19 #ifdef __cplusplus
gkroussos 0:e8fdba0ed044 20 extern "C" {
gkroussos 0:e8fdba0ed044 21 #endif
gkroussos 0:e8fdba0ed044 22
gkroussos 0:e8fdba0ed044 23 typedef struct {
gkroussos 0:e8fdba0ed044 24 PinName pin;
gkroussos 0:e8fdba0ed044 25 uint32_t mask;
gkroussos 0:e8fdba0ed044 26
gkroussos 0:e8fdba0ed044 27 __IO uint32_t *reg_dir;
gkroussos 0:e8fdba0ed044 28 __IO uint32_t *reg_set;
gkroussos 0:e8fdba0ed044 29 __IO uint32_t *reg_clr;
gkroussos 0:e8fdba0ed044 30 __I uint32_t *reg_in;
gkroussos 0:e8fdba0ed044 31 } gpio_t;
gkroussos 0:e8fdba0ed044 32
gkroussos 0:e8fdba0ed044 33 static inline void gpio_write(gpio_t *obj, int value) {
gkroussos 0:e8fdba0ed044 34 if (value)
gkroussos 0:e8fdba0ed044 35 *obj->reg_set = obj->mask;
gkroussos 0:e8fdba0ed044 36 else
gkroussos 0:e8fdba0ed044 37 *obj->reg_clr = obj->mask;
gkroussos 0:e8fdba0ed044 38 }
gkroussos 0:e8fdba0ed044 39
gkroussos 0:e8fdba0ed044 40 static inline int gpio_read(gpio_t *obj) {
gkroussos 0:e8fdba0ed044 41 return ((*obj->reg_in & obj->mask) ? 1 : 0);
gkroussos 0:e8fdba0ed044 42 }
gkroussos 0:e8fdba0ed044 43
gkroussos 0:e8fdba0ed044 44 #ifdef __cplusplus
gkroussos 0:e8fdba0ed044 45 }
gkroussos 0:e8fdba0ed044 46 #endif
gkroussos 0:e8fdba0ed044 47
gkroussos 0:e8fdba0ed044 48 #endif