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_LPC43XX/gpio_object.h@323:9e901b0a5aa1, 2014-09-13 (annotated)

Committer:
shaoziyang
Date:
Sat Sep 13 14:25:46 2014 +0000
Revision:
323:9e901b0a5aa1
Parent:
227:7bd0639b8911 
test with CLOCK_SETUP = 0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 20:4263a77256ae 1 /* mbed Microcontroller Library
bogdanm 20:4263a77256ae 2 * Copyright (c) 2006-2013 ARM Limited
bogdanm 20:4263a77256ae 3 *
bogdanm 20:4263a77256ae 4 * Licensed under the Apache License, Version 2.0 (the "License");
bogdanm 20:4263a77256ae 5 * you may not use this file except in compliance with the License.
bogdanm 20:4263a77256ae 6 * You may obtain a copy of the License at
bogdanm 20:4263a77256ae 7 *
bogdanm 20:4263a77256ae 8 * http://www.apache.org/licenses/LICENSE-2.0
bogdanm 20:4263a77256ae 9 *
bogdanm 20:4263a77256ae 10 * Unless required by applicable law or agreed to in writing, software
bogdanm 20:4263a77256ae 11 * distributed under the License is distributed on an "AS IS" BASIS,
bogdanm 20:4263a77256ae 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
bogdanm 20:4263a77256ae 13 * See the License for the specific language governing permissions and
bogdanm 20:4263a77256ae 14 * limitations under the License.
bogdanm 20:4263a77256ae 15 */
bogdanm 20:4263a77256ae 16 #ifndef MBED_GPIO_OBJECT_H
bogdanm 20:4263a77256ae 17 #define MBED_GPIO_OBJECT_H
bogdanm 20:4263a77256ae 18
mbed_official 227:7bd0639b8911 19 #include "mbed_assert.h"
mbed_official 227:7bd0639b8911 20
bogdanm 20:4263a77256ae 21 #ifdef __cplusplus
bogdanm 20:4263a77256ae 22 extern "C" {
bogdanm 20:4263a77256ae 23 #endif
bogdanm 20:4263a77256ae 24
bogdanm 20:4263a77256ae 25 typedef struct {
bogdanm 20:4263a77256ae 26 PinName pin;
bogdanm 20:4263a77256ae 27 uint32_t mask;
bogdanm 20:4263a77256ae 28
bogdanm 20:4263a77256ae 29 __IO uint32_t *reg_dir;
bogdanm 20:4263a77256ae 30 __IO uint32_t *reg_set;
bogdanm 20:4263a77256ae 31 __IO uint32_t *reg_clr;
bogdanm 20:4263a77256ae 32 __I uint32_t *reg_in;
bogdanm 20:4263a77256ae 33 } gpio_t;
bogdanm 20:4263a77256ae 34
bogdanm 20:4263a77256ae 35 static inline void gpio_write(gpio_t *obj, int value) {
mbed_official 227:7bd0639b8911 36 MBED_ASSERT(obj->pin != (PinName)NC);
bogdanm 20:4263a77256ae 37 if (value)
bogdanm 20:4263a77256ae 38 *obj->reg_set = obj->mask;
bogdanm 20:4263a77256ae 39 else
bogdanm 20:4263a77256ae 40 *obj->reg_clr = obj->mask;
bogdanm 20:4263a77256ae 41 }
bogdanm 20:4263a77256ae 42
bogdanm 20:4263a77256ae 43 static inline int gpio_read(gpio_t *obj) {
mbed_official 227:7bd0639b8911 44 MBED_ASSERT(obj->pin != (PinName)NC);
bogdanm 20:4263a77256ae 45 return ((*obj->reg_in & obj->mask) ? 1 : 0);
bogdanm 20:4263a77256ae 46 }
bogdanm 20:4263a77256ae 47
bogdanm 20:4263a77256ae 48 #ifdef __cplusplus
bogdanm 20:4263a77256ae 49 }
bogdanm 20:4263a77256ae 50 #endif
bogdanm 20:4263a77256ae 51
bogdanm 20:4263a77256ae 52 #endif