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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_ARM_MPS2_M7/TARGET_ARM_SSG/TARGET_MPS2/gpio_object.h@160:5571c4ff569f, 2018-01-17 (annotated)

Committer:
Anna Bridge
Date:
Wed Jan 17 16:13:02 2018 +0000
Revision:
160:5571c4ff569f
Parent:
156:ff21514d8981 
mbed library. Release version 158

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 156:ff21514d8981 1 /* mbed Microcontroller Library
AnnaBridge 156:ff21514d8981 2 * Copyright (c) 2006-2015 ARM Limited
AnnaBridge 156:ff21514d8981 3 *
AnnaBridge 156:ff21514d8981 4 * Licensed under the Apache License, Version 2.0 (the "License");
AnnaBridge 156:ff21514d8981 5 * you may not use this file except in compliance with the License.
AnnaBridge 156:ff21514d8981 6 * You may obtain a copy of the License at
AnnaBridge 156:ff21514d8981 7 *
AnnaBridge 156:ff21514d8981 8 * http://www.apache.org/licenses/LICENSE-2.0
AnnaBridge 156:ff21514d8981 9 *
AnnaBridge 156:ff21514d8981 10 * Unless required by applicable law or agreed to in writing, software
AnnaBridge 156:ff21514d8981 11 * distributed under the License is distributed on an "AS IS" BASIS,
AnnaBridge 156:ff21514d8981 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
AnnaBridge 156:ff21514d8981 13 * See the License for the specific language governing permissions and
AnnaBridge 156:ff21514d8981 14 * limitations under the License.
AnnaBridge 156:ff21514d8981 15 */
AnnaBridge 156:ff21514d8981 16 #ifndef MBED_GPIO_OBJECT_H
AnnaBridge 156:ff21514d8981 17 #define MBED_GPIO_OBJECT_H
AnnaBridge 156:ff21514d8981 18
AnnaBridge 156:ff21514d8981 19 #include "cmsis.h"
AnnaBridge 156:ff21514d8981 20 #include "PortNames.h"
AnnaBridge 156:ff21514d8981 21 #include "PeripheralNames.h"
AnnaBridge 156:ff21514d8981 22 #include "PinNames.h"
AnnaBridge 156:ff21514d8981 23
AnnaBridge 156:ff21514d8981 24 #ifdef __cplusplus
AnnaBridge 156:ff21514d8981 25 extern "C" {
AnnaBridge 156:ff21514d8981 26 #endif
AnnaBridge 156:ff21514d8981 27
AnnaBridge 156:ff21514d8981 28 typedef struct {
AnnaBridge 156:ff21514d8981 29 PinName pin;
AnnaBridge 156:ff21514d8981 30 uint32_t mask;
AnnaBridge 156:ff21514d8981 31 uint32_t pin_number;
AnnaBridge 156:ff21514d8981 32
AnnaBridge 156:ff21514d8981 33 __IO uint32_t *reg_dir;
AnnaBridge 156:ff21514d8981 34 __IO uint32_t *reg_dirclr;
AnnaBridge 156:ff21514d8981 35 __IO uint32_t *reg_data;
AnnaBridge 156:ff21514d8981 36 __I uint32_t *reg_in;
AnnaBridge 156:ff21514d8981 37 } gpio_t;
AnnaBridge 156:ff21514d8981 38
AnnaBridge 156:ff21514d8981 39 static inline void gpio_write(gpio_t *obj, int value) {
AnnaBridge 156:ff21514d8981 40 if (value){
AnnaBridge 156:ff21514d8981 41 *obj->reg_data |= (obj->mask);
AnnaBridge 156:ff21514d8981 42 } else {
AnnaBridge 156:ff21514d8981 43 *obj->reg_data &= ~(obj->mask);
AnnaBridge 156:ff21514d8981 44 }
AnnaBridge 156:ff21514d8981 45 }
AnnaBridge 156:ff21514d8981 46
AnnaBridge 156:ff21514d8981 47 static inline int gpio_read(gpio_t *obj) {
AnnaBridge 156:ff21514d8981 48 return ((*obj->reg_in & obj->mask) ? 1 : 0);
AnnaBridge 156:ff21514d8981 49 }
AnnaBridge 156:ff21514d8981 50
AnnaBridge 156:ff21514d8981 51 #ifdef __cplusplus
AnnaBridge 156:ff21514d8981 52 }
AnnaBridge 156:ff21514d8981 53 #endif
AnnaBridge 156:ff21514d8981 54
AnnaBridge 156:ff21514d8981 55 #endif