Maintool / mbed-src-v4

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targets/hal/TARGET_Freescale/TARGET_K20XX/gpio_object.h@445:3312ed629f01, 2015-01-15 (annotated)

Committer:
mbed_official
Date:
Thu Jan 15 19:30:07 2015 +0000
Revision:
445:3312ed629f01
Child:
455:8bc3a354916d
Synchronized with git revision e21c65041d9a718f866ed6438e5791b13f9c6d91



Full URL: https://github.com/mbedmicro/mbed/commit/e21c65041d9a718f866ed6438e5791b13f9c6d91/

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 445:3312ed629f01 1 /* mbed Microcontroller Library
mbed_official 445:3312ed629f01 2 * Copyright (c) 2006-2015 ARM Limited
mbed_official 445:3312ed629f01 3 *
mbed_official 445:3312ed629f01 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 445:3312ed629f01 5 * you may not use this file except in compliance with the License.
mbed_official 445:3312ed629f01 6 * You may obtain a copy of the License at
mbed_official 445:3312ed629f01 7 *
mbed_official 445:3312ed629f01 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 445:3312ed629f01 9 *
mbed_official 445:3312ed629f01 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 445:3312ed629f01 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 445:3312ed629f01 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 445:3312ed629f01 13 * See the License for the specific language governing permissions and
mbed_official 445:3312ed629f01 14 * limitations under the License.
mbed_official 445:3312ed629f01 15 */
mbed_official 445:3312ed629f01 16 #ifndef MBED_GPIO_OBJECT_H
mbed_official 445:3312ed629f01 17 #define MBED_GPIO_OBJECT_H
mbed_official 445:3312ed629f01 18
mbed_official 445:3312ed629f01 19 #include "mbed_assert.h"
mbed_official 445:3312ed629f01 20
mbed_official 445:3312ed629f01 21 #ifdef __cplusplus
mbed_official 445:3312ed629f01 22 extern "C" {
mbed_official 445:3312ed629f01 23 #endif
mbed_official 445:3312ed629f01 24
mbed_official 445:3312ed629f01 25 typedef struct {
mbed_official 445:3312ed629f01 26 PinName pin;
mbed_official 445:3312ed629f01 27 uint32_t mask;
mbed_official 445:3312ed629f01 28 __IO uint32_t *reg_dir;
mbed_official 445:3312ed629f01 29 __IO uint32_t *reg_set;
mbed_official 445:3312ed629f01 30 __IO uint32_t *reg_clr;
mbed_official 445:3312ed629f01 31 __I uint32_t *reg_in;
mbed_official 445:3312ed629f01 32 } gpio_t;
mbed_official 445:3312ed629f01 33
mbed_official 445:3312ed629f01 34 static inline void gpio_write(gpio_t *obj, int value) {
mbed_official 445:3312ed629f01 35 MBED_ASSERT(obj->pin != (PinName)NC);
mbed_official 445:3312ed629f01 36 if (value) {
mbed_official 445:3312ed629f01 37 *obj->reg_set = obj->mask;
mbed_official 445:3312ed629f01 38 } else {
mbed_official 445:3312ed629f01 39 *obj->reg_clr = obj->mask;
mbed_official 445:3312ed629f01 40 }
mbed_official 445:3312ed629f01 41 }
mbed_official 445:3312ed629f01 42
mbed_official 445:3312ed629f01 43 static inline int gpio_read(gpio_t *obj) {
mbed_official 445:3312ed629f01 44 MBED_ASSERT(obj->pin != (PinName)NC);
mbed_official 445:3312ed629f01 45 return ((*obj->reg_in & obj->mask) ? 1 : 0);
mbed_official 445:3312ed629f01 46 }
mbed_official 445:3312ed629f01 47
mbed_official 445:3312ed629f01 48 #ifdef __cplusplus
mbed_official 445:3312ed629f01 49 }
mbed_official 445:3312ed629f01 50 #endif
mbed_official 445:3312ed629f01 51
mbed_official 445:3312ed629f01 52 #endif