shao ziyang / mbed-src-kl05

mbed library sources

Dependents:   frdm_kl05z_gpio_test

Fork of mbed-src by mbed official

targets/hal/TARGET_NXP/TARGET_LPC81X/gpio_object.h@46:bebbbd80dd87, 2013-11-11 (annotated)

Committer:
mbed_official
Date:
Mon Nov 11 13:30:09 2013 +0000
Revision:
46:bebbbd80dd87
Child:
227:7bd0639b8911
Synchronized with git revision b2733e9b9af906952b295cd6abcf916bf79780ab

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 46:bebbbd80dd87 1 /* mbed Microcontroller Library
mbed_official 46:bebbbd80dd87 2 * Copyright (c) 2006-2013 ARM Limited
mbed_official 46:bebbbd80dd87 3 *
mbed_official 46:bebbbd80dd87 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 46:bebbbd80dd87 5 * you may not use this file except in compliance with the License.
mbed_official 46:bebbbd80dd87 6 * You may obtain a copy of the License at
mbed_official 46:bebbbd80dd87 7 *
mbed_official 46:bebbbd80dd87 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 46:bebbbd80dd87 9 *
mbed_official 46:bebbbd80dd87 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 46:bebbbd80dd87 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 46:bebbbd80dd87 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 46:bebbbd80dd87 13 * See the License for the specific language governing permissions and
mbed_official 46:bebbbd80dd87 14 * limitations under the License.
mbed_official 46:bebbbd80dd87 15 */
mbed_official 46:bebbbd80dd87 16 #ifndef MBED_GPIO_OBJECT_H
mbed_official 46:bebbbd80dd87 17 #define MBED_GPIO_OBJECT_H
mbed_official 46:bebbbd80dd87 18
mbed_official 46:bebbbd80dd87 19 #ifdef __cplusplus
mbed_official 46:bebbbd80dd87 20 extern "C" {
mbed_official 46:bebbbd80dd87 21 #endif
mbed_official 46:bebbbd80dd87 22
mbed_official 46:bebbbd80dd87 23 typedef struct {
mbed_official 46:bebbbd80dd87 24 PinName pin;
mbed_official 46:bebbbd80dd87 25 uint32_t mask;
mbed_official 46:bebbbd80dd87 26
mbed_official 46:bebbbd80dd87 27 __IO uint32_t *reg_dir;
mbed_official 46:bebbbd80dd87 28 __IO uint32_t *reg_set;
mbed_official 46:bebbbd80dd87 29 __IO uint32_t *reg_clr;
mbed_official 46:bebbbd80dd87 30 __I uint32_t *reg_in;
mbed_official 46:bebbbd80dd87 31 } gpio_t;
mbed_official 46:bebbbd80dd87 32
mbed_official 46:bebbbd80dd87 33 static inline void gpio_write(gpio_t *obj, int value) {
mbed_official 46:bebbbd80dd87 34 if (value)
mbed_official 46:bebbbd80dd87 35 *obj->reg_set = obj->mask;
mbed_official 46:bebbbd80dd87 36 else
mbed_official 46:bebbbd80dd87 37 *obj->reg_clr = obj->mask;
mbed_official 46:bebbbd80dd87 38 }
mbed_official 46:bebbbd80dd87 39
mbed_official 46:bebbbd80dd87 40 static inline int gpio_read(gpio_t *obj) {
mbed_official 46:bebbbd80dd87 41 return ((*obj->reg_in & obj->mask) ? 1 : 0);
mbed_official 46:bebbbd80dd87 42 }
mbed_official 46:bebbbd80dd87 43
mbed_official 46:bebbbd80dd87 44 #ifdef __cplusplus
mbed_official 46:bebbbd80dd87 45 }
mbed_official 46:bebbbd80dd87 46 #endif
mbed_official 46:bebbbd80dd87 47
mbed_official 46:bebbbd80dd87 48 #endif