Micah B / mbed

mbed

Dependents:   DHTSensor_Test K64F_eCompass_OneNET_JW

TARGET_ARCH_GPRS/TARGET_NXP/TARGET_LPC11UXX/gpio_object.h@0:2cc6bb4d7fea, 2015-02-25 (annotated)

Committer:
mbotkinl
Date:
Wed Feb 25 20:22:22 2015 +0000
Revision:
0:2cc6bb4d7fea
Working code to read Temperature and Humidity readings

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbotkinl 0:2cc6bb4d7fea 1 /* mbed Microcontroller Library
mbotkinl 0:2cc6bb4d7fea 2 * Copyright (c) 2006-2013 ARM Limited
mbotkinl 0:2cc6bb4d7fea 3 *
mbotkinl 0:2cc6bb4d7fea 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbotkinl 0:2cc6bb4d7fea 5 * you may not use this file except in compliance with the License.
mbotkinl 0:2cc6bb4d7fea 6 * You may obtain a copy of the License at
mbotkinl 0:2cc6bb4d7fea 7 *
mbotkinl 0:2cc6bb4d7fea 8 * http://www.apache.org/licenses/LICENSE-2.0
mbotkinl 0:2cc6bb4d7fea 9 *
mbotkinl 0:2cc6bb4d7fea 10 * Unless required by applicable law or agreed to in writing, software
mbotkinl 0:2cc6bb4d7fea 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbotkinl 0:2cc6bb4d7fea 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbotkinl 0:2cc6bb4d7fea 13 * See the License for the specific language governing permissions and
mbotkinl 0:2cc6bb4d7fea 14 * limitations under the License.
mbotkinl 0:2cc6bb4d7fea 15 */
mbotkinl 0:2cc6bb4d7fea 16 #ifndef MBED_GPIO_OBJECT_H
mbotkinl 0:2cc6bb4d7fea 17 #define MBED_GPIO_OBJECT_H
mbotkinl 0:2cc6bb4d7fea 18
mbotkinl 0:2cc6bb4d7fea 19 #include "mbed_assert.h"
mbotkinl 0:2cc6bb4d7fea 20
mbotkinl 0:2cc6bb4d7fea 21 #ifdef __cplusplus
mbotkinl 0:2cc6bb4d7fea 22 extern "C" {
mbotkinl 0:2cc6bb4d7fea 23 #endif
mbotkinl 0:2cc6bb4d7fea 24
mbotkinl 0:2cc6bb4d7fea 25 typedef struct {
mbotkinl 0:2cc6bb4d7fea 26 PinName pin;
mbotkinl 0:2cc6bb4d7fea 27 uint32_t mask;
mbotkinl 0:2cc6bb4d7fea 28
mbotkinl 0:2cc6bb4d7fea 29 __IO uint32_t *reg_dir;
mbotkinl 0:2cc6bb4d7fea 30 __IO uint32_t *reg_set;
mbotkinl 0:2cc6bb4d7fea 31 __IO uint32_t *reg_clr;
mbotkinl 0:2cc6bb4d7fea 32 __I uint32_t *reg_in;
mbotkinl 0:2cc6bb4d7fea 33 } gpio_t;
mbotkinl 0:2cc6bb4d7fea 34
mbotkinl 0:2cc6bb4d7fea 35 static inline void gpio_write(gpio_t *obj, int value) {
mbotkinl 0:2cc6bb4d7fea 36 MBED_ASSERT(obj->pin != (PinName)NC);
mbotkinl 0:2cc6bb4d7fea 37 if (value)
mbotkinl 0:2cc6bb4d7fea 38 *obj->reg_set = obj->mask;
mbotkinl 0:2cc6bb4d7fea 39 else
mbotkinl 0:2cc6bb4d7fea 40 *obj->reg_clr = obj->mask;
mbotkinl 0:2cc6bb4d7fea 41 }
mbotkinl 0:2cc6bb4d7fea 42
mbotkinl 0:2cc6bb4d7fea 43 static inline int gpio_read(gpio_t *obj) {
mbotkinl 0:2cc6bb4d7fea 44 MBED_ASSERT(obj->pin != (PinName)NC);
mbotkinl 0:2cc6bb4d7fea 45 return ((*obj->reg_in & obj->mask) ? 1 : 0);
mbotkinl 0:2cc6bb4d7fea 46 }
mbotkinl 0:2cc6bb4d7fea 47
mbotkinl 0:2cc6bb4d7fea 48 #ifdef __cplusplus
mbotkinl 0:2cc6bb4d7fea 49 }
mbotkinl 0:2cc6bb4d7fea 50 #endif
mbotkinl 0:2cc6bb4d7fea 51
mbotkinl 0:2cc6bb4d7fea 52 #endif