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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_UNO_91H/TOOLCHAIN_ARM_STD/gpio_object.h@172:65be27845400, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 20:53:29 2019 +0000
Revision:
172:65be27845400
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 172:65be27845400 1 /* mbed Microcontroller Library
AnnaBridge 172:65be27845400 2 * Copyright (c) 2006-2018 ARM Limited
AnnaBridge 172:65be27845400 3 *
AnnaBridge 172:65be27845400 4 * Licensed under the Apache License, Version 2.0 (the "License");
AnnaBridge 172:65be27845400 5 * you may not use this file except in compliance with the License.
AnnaBridge 172:65be27845400 6 * You may obtain a copy of the License at
AnnaBridge 172:65be27845400 7 *
AnnaBridge 172:65be27845400 8 * http://www.apache.org/licenses/LICENSE-2.0
AnnaBridge 172:65be27845400 9 *
AnnaBridge 172:65be27845400 10 * Unless required by applicable law or agreed to in writing, software
AnnaBridge 172:65be27845400 11 * distributed under the License is distributed on an "AS IS" BASIS,
AnnaBridge 172:65be27845400 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
AnnaBridge 172:65be27845400 13 * See the License for the specific language governing permissions and
AnnaBridge 172:65be27845400 14 * limitations under the License.
AnnaBridge 172:65be27845400 15 */
AnnaBridge 172:65be27845400 16 #ifndef MBED_GPIO_OBJECT_H
AnnaBridge 172:65be27845400 17 #define MBED_GPIO_OBJECT_H
AnnaBridge 172:65be27845400 18
AnnaBridge 172:65be27845400 19 #include "mbed_assert.h"
AnnaBridge 172:65be27845400 20
AnnaBridge 172:65be27845400 21 #ifdef __cplusplus
AnnaBridge 172:65be27845400 22 extern "C" {
AnnaBridge 172:65be27845400 23 #endif
AnnaBridge 172:65be27845400 24
AnnaBridge 172:65be27845400 25 typedef struct {
AnnaBridge 172:65be27845400 26 PinName pin;
AnnaBridge 172:65be27845400 27 __IO uint32_t *reg_out;
AnnaBridge 172:65be27845400 28 __I uint32_t *reg_in;
AnnaBridge 172:65be27845400 29 __IO uint32_t *reg_dir;
AnnaBridge 172:65be27845400 30 } gpio_t;
AnnaBridge 172:65be27845400 31
AnnaBridge 172:65be27845400 32 static inline void gpio_write(gpio_t *obj, int value)
AnnaBridge 172:65be27845400 33 {
AnnaBridge 172:65be27845400 34 MBED_ASSERT(obj->pin != (PinName)NC);
AnnaBridge 172:65be27845400 35 *obj->reg_out = ((value) ? 1 : 0);
AnnaBridge 172:65be27845400 36 }
AnnaBridge 172:65be27845400 37
AnnaBridge 172:65be27845400 38 static inline int gpio_read(gpio_t *obj)
AnnaBridge 172:65be27845400 39 {
AnnaBridge 172:65be27845400 40 MBED_ASSERT(obj->pin != (PinName)NC);
AnnaBridge 172:65be27845400 41 return ((*obj->reg_in) ? 1 : 0);
AnnaBridge 172:65be27845400 42 }
AnnaBridge 172:65be27845400 43
AnnaBridge 172:65be27845400 44 static inline int gpio_is_connected(const gpio_t *obj)
AnnaBridge 172:65be27845400 45 {
AnnaBridge 172:65be27845400 46 return obj->pin != (PinName)NC;
AnnaBridge 172:65be27845400 47 }
AnnaBridge 172:65be27845400 48
AnnaBridge 172:65be27845400 49 #ifdef __cplusplus
AnnaBridge 172:65be27845400 50 }
AnnaBridge 172:65be27845400 51 #endif
AnnaBridge 172:65be27845400 52
AnnaBridge 172:65be27845400 53 #endif