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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_LPC11U35_401/gpio_object.h@80:8e73be2a2ac1, 2014-02-21 (annotated)

Committer:
emilmont
Date:
Fri Feb 21 12:21:39 2014 +0000
Revision:
80:8e73be2a2ac1
Parent:
74:a842253909c9 
First alpha release for the NRF51822 target (to be tested in the online IDE)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 74:a842253909c9 1 /* mbed Microcontroller Library
bogdanm 74:a842253909c9 2 * Copyright (c) 2006-2013 ARM Limited
bogdanm 74:a842253909c9 3 *
bogdanm 74:a842253909c9 4 * Licensed under the Apache License, Version 2.0 (the "License");
bogdanm 74:a842253909c9 5 * you may not use this file except in compliance with the License.
bogdanm 74:a842253909c9 6 * You may obtain a copy of the License at
bogdanm 74:a842253909c9 7 *
bogdanm 74:a842253909c9 8 * http://www.apache.org/licenses/LICENSE-2.0
bogdanm 74:a842253909c9 9 *
bogdanm 74:a842253909c9 10 * Unless required by applicable law or agreed to in writing, software
bogdanm 74:a842253909c9 11 * distributed under the License is distributed on an "AS IS" BASIS,
bogdanm 74:a842253909c9 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
bogdanm 74:a842253909c9 13 * See the License for the specific language governing permissions and
bogdanm 74:a842253909c9 14 * limitations under the License.
bogdanm 74:a842253909c9 15 */
bogdanm 74:a842253909c9 16 #ifndef MBED_GPIO_OBJECT_H
bogdanm 74:a842253909c9 17 #define MBED_GPIO_OBJECT_H
bogdanm 74:a842253909c9 18
bogdanm 74:a842253909c9 19 #ifdef __cplusplus
bogdanm 74:a842253909c9 20 extern "C" {
bogdanm 74:a842253909c9 21 #endif
bogdanm 74:a842253909c9 22
bogdanm 74:a842253909c9 23 typedef struct {
bogdanm 74:a842253909c9 24 PinName pin;
bogdanm 74:a842253909c9 25 uint32_t mask;
bogdanm 74:a842253909c9 26
bogdanm 74:a842253909c9 27 __IO uint32_t *reg_dir;
bogdanm 74:a842253909c9 28 __IO uint32_t *reg_set;
bogdanm 74:a842253909c9 29 __IO uint32_t *reg_clr;
bogdanm 74:a842253909c9 30 __I uint32_t *reg_in;
bogdanm 74:a842253909c9 31 } gpio_t;
bogdanm 74:a842253909c9 32
bogdanm 74:a842253909c9 33 static inline void gpio_write(gpio_t *obj, int value) {
bogdanm 74:a842253909c9 34 if (value)
bogdanm 74:a842253909c9 35 *obj->reg_set = obj->mask;
bogdanm 74:a842253909c9 36 else
bogdanm 74:a842253909c9 37 *obj->reg_clr = obj->mask;
bogdanm 74:a842253909c9 38 }
bogdanm 74:a842253909c9 39
bogdanm 74:a842253909c9 40 static inline int gpio_read(gpio_t *obj) {
bogdanm 74:a842253909c9 41 return ((*obj->reg_in & obj->mask) ? 1 : 0);
bogdanm 74:a842253909c9 42 }
bogdanm 74:a842253909c9 43
bogdanm 74:a842253909c9 44 #ifdef __cplusplus
bogdanm 74:a842253909c9 45 }
bogdanm 74:a842253909c9 46 #endif
bogdanm 74:a842253909c9 47
bogdanm 74:a842253909c9 48 #endif