Filippo Casamassima / mbed

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Dependents:   Nucleo_blueNRG

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TARGET_SSCI824/TARGET_NXP/TARGET_LPC82X/gpio_object.h@97:4298809c7c9e, 2015-04-08 (annotated)

Committer:
filartrix
Date:
Wed Apr 08 14:12:53 2015 +0000
Revision:
97:4298809c7c9e
Parent:
93:e188a91d3eaa 
First reale BlueNRG module for nucleo 401 board

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kojto 90:cb3d968589d8 1 /* mbed Microcontroller Library
Kojto 90:cb3d968589d8 2 * Copyright (c) 2006-2013 ARM Limited
Kojto 90:cb3d968589d8 3 *
Kojto 90:cb3d968589d8 4 * Licensed under the Apache License, Version 2.0 (the "License");
Kojto 90:cb3d968589d8 5 * you may not use this file except in compliance with the License.
Kojto 90:cb3d968589d8 6 * You may obtain a copy of the License at
Kojto 90:cb3d968589d8 7 *
Kojto 90:cb3d968589d8 8 * http://www.apache.org/licenses/LICENSE-2.0
Kojto 90:cb3d968589d8 9 *
Kojto 90:cb3d968589d8 10 * Unless required by applicable law or agreed to in writing, software
Kojto 90:cb3d968589d8 11 * distributed under the License is distributed on an "AS IS" BASIS,
Kojto 90:cb3d968589d8 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Kojto 90:cb3d968589d8 13 * See the License for the specific language governing permissions and
Kojto 90:cb3d968589d8 14 * limitations under the License.
Kojto 90:cb3d968589d8 15 */
Kojto 90:cb3d968589d8 16 #ifndef MBED_GPIO_OBJECT_H
Kojto 90:cb3d968589d8 17 #define MBED_GPIO_OBJECT_H
Kojto 90:cb3d968589d8 18
Kojto 90:cb3d968589d8 19 #include "mbed_assert.h"
Kojto 90:cb3d968589d8 20
Kojto 90:cb3d968589d8 21 #ifdef __cplusplus
Kojto 90:cb3d968589d8 22 extern "C" {
Kojto 90:cb3d968589d8 23 #endif
Kojto 90:cb3d968589d8 24
Kojto 90:cb3d968589d8 25 typedef struct {
Kojto 90:cb3d968589d8 26 PinName pin;
Kojto 90:cb3d968589d8 27 uint32_t mask;
Kojto 90:cb3d968589d8 28
Kojto 90:cb3d968589d8 29 __IO uint32_t *reg_dir;
Kojto 90:cb3d968589d8 30 __IO uint32_t *reg_set;
Kojto 90:cb3d968589d8 31 __IO uint32_t *reg_clr;
Kojto 90:cb3d968589d8 32 __I uint32_t *reg_in;
Kojto 90:cb3d968589d8 33 } gpio_t;
Kojto 90:cb3d968589d8 34
Kojto 90:cb3d968589d8 35 static inline void gpio_write(gpio_t *obj, int value)
Kojto 90:cb3d968589d8 36 {
Kojto 90:cb3d968589d8 37 MBED_ASSERT(obj->pin != (PinName)NC);
Kojto 90:cb3d968589d8 38 if (value)
Kojto 90:cb3d968589d8 39 *obj->reg_set = obj->mask;
Kojto 90:cb3d968589d8 40 else
Kojto 90:cb3d968589d8 41 *obj->reg_clr = obj->mask;
Kojto 90:cb3d968589d8 42 }
Kojto 90:cb3d968589d8 43
Kojto 90:cb3d968589d8 44 static inline int gpio_read(gpio_t *obj)
Kojto 90:cb3d968589d8 45 {
Kojto 90:cb3d968589d8 46 MBED_ASSERT(obj->pin != (PinName)NC);
Kojto 90:cb3d968589d8 47 return ((*obj->reg_in & obj->mask) ? 1 : 0);
Kojto 90:cb3d968589d8 48 }
Kojto 90:cb3d968589d8 49
Kojto 93:e188a91d3eaa 50 static inline int gpio_is_connected(const gpio_t *obj) {
Kojto 93:e188a91d3eaa 51 return obj->pin != (PinName)NC;
Kojto 93:e188a91d3eaa 52 }
Kojto 93:e188a91d3eaa 53
Kojto 90:cb3d968589d8 54 #ifdef __cplusplus
Kojto 90:cb3d968589d8 55 }
Kojto 90:cb3d968589d8 56 #endif
Kojto 90:cb3d968589d8 57
Kojto 90:cb3d968589d8 58 #endif