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

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mbed 2

This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.

TARGET_NRF51_DK/TARGET_NORDIC/TARGET_MCU_NRF51822/gpio_object.h@91:031413cf7a89, 2014-10-29 (annotated)

Committer:
Kojto
Date:
Wed Oct 29 11:02:04 2014 +0000
Revision:
91:031413cf7a89
Child:
93:e188a91d3eaa
Release 91 of the mbed library



Changes:



- RBLAB_NANO - new target addition

- NRF51_DK - new target addition

- NRF51_DONGLE - new target addition

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kojto 91:031413cf7a89 1 /* mbed Microcontroller Library
Kojto 91:031413cf7a89 2 * Copyright (c) 2006-2013 ARM Limited
Kojto 91:031413cf7a89 3 *
Kojto 91:031413cf7a89 4 * Licensed under the Apache License, Version 2.0 (the "License");
Kojto 91:031413cf7a89 5 * you may not use this file except in compliance with the License.
Kojto 91:031413cf7a89 6 * You may obtain a copy of the License at
Kojto 91:031413cf7a89 7 *
Kojto 91:031413cf7a89 8 * http://www.apache.org/licenses/LICENSE-2.0
Kojto 91:031413cf7a89 9 *
Kojto 91:031413cf7a89 10 * Unless required by applicable law or agreed to in writing, software
Kojto 91:031413cf7a89 11 * distributed under the License is distributed on an "AS IS" BASIS,
Kojto 91:031413cf7a89 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Kojto 91:031413cf7a89 13 * See the License for the specific language governing permissions and
Kojto 91:031413cf7a89 14 * limitations under the License.
Kojto 91:031413cf7a89 15 */
Kojto 91:031413cf7a89 16 #ifndef MBED_GPIO_OBJECT_H
Kojto 91:031413cf7a89 17 #define MBED_GPIO_OBJECT_H
Kojto 91:031413cf7a89 18
Kojto 91:031413cf7a89 19 #include "mbed_assert.h"
Kojto 91:031413cf7a89 20
Kojto 91:031413cf7a89 21 #ifdef __cplusplus
Kojto 91:031413cf7a89 22 extern "C" {
Kojto 91:031413cf7a89 23 #endif
Kojto 91:031413cf7a89 24
Kojto 91:031413cf7a89 25 typedef struct {
Kojto 91:031413cf7a89 26 PinName pin;
Kojto 91:031413cf7a89 27 uint32_t mask;
Kojto 91:031413cf7a89 28
Kojto 91:031413cf7a89 29 __IO uint32_t *reg_dir;
Kojto 91:031413cf7a89 30 __IO uint32_t *reg_set;
Kojto 91:031413cf7a89 31 __IO uint32_t *reg_clr;
Kojto 91:031413cf7a89 32 __I uint32_t *reg_in;
Kojto 91:031413cf7a89 33 } gpio_t;
Kojto 91:031413cf7a89 34
Kojto 91:031413cf7a89 35 static inline void gpio_write(gpio_t *obj, int value) {
Kojto 91:031413cf7a89 36 MBED_ASSERT(obj->pin != (PinName)NC);
Kojto 91:031413cf7a89 37 if (value)
Kojto 91:031413cf7a89 38 *obj->reg_set = obj->mask;
Kojto 91:031413cf7a89 39 else
Kojto 91:031413cf7a89 40 *obj->reg_clr = obj->mask;
Kojto 91:031413cf7a89 41 }
Kojto 91:031413cf7a89 42
Kojto 91:031413cf7a89 43 static inline int gpio_read(gpio_t *obj) {
Kojto 91:031413cf7a89 44 MBED_ASSERT(obj->pin != (PinName)NC);
Kojto 91:031413cf7a89 45 return ((*obj->reg_in & obj->mask) ? 1 : 0);
Kojto 91:031413cf7a89 46 }
Kojto 91:031413cf7a89 47
Kojto 91:031413cf7a89 48 #ifdef __cplusplus
Kojto 91:031413cf7a89 49 }
Kojto 91:031413cf7a89 50 #endif
Kojto 91:031413cf7a89 51
Kojto 91:031413cf7a89 52 #endif