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@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
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 227:7bd0639b8911 19 #include "mbed_assert.h"
mbed_official 227:7bd0639b8911 20
mbed_official 46:bebbbd80dd87 21 #ifdef __cplusplus
mbed_official 46:bebbbd80dd87 22 extern "C" {
mbed_official 46:bebbbd80dd87 23 #endif
mbed_official 46:bebbbd80dd87 24
mbed_official 46:bebbbd80dd87 25 typedef struct {
mbed_official 46:bebbbd80dd87 26 PinName pin;
mbed_official 46:bebbbd80dd87 27 uint32_t mask;
mbed_official 46:bebbbd80dd87 28
mbed_official 46:bebbbd80dd87 29 __IO uint32_t *reg_dir;
mbed_official 46:bebbbd80dd87 30 __IO uint32_t *reg_set;
mbed_official 46:bebbbd80dd87 31 __IO uint32_t *reg_clr;
mbed_official 46:bebbbd80dd87 32 __I uint32_t *reg_in;
mbed_official 46:bebbbd80dd87 33 } gpio_t;
mbed_official 46:bebbbd80dd87 34
mbed_official 46:bebbbd80dd87 35 static inline void gpio_write(gpio_t *obj, int value) {
mbed_official 227:7bd0639b8911 36 MBED_ASSERT(obj->pin != (PinName)NC);
mbed_official 46:bebbbd80dd87 37 if (value)
mbed_official 46:bebbbd80dd87 38 *obj->reg_set = obj->mask;
mbed_official 46:bebbbd80dd87 39 else
mbed_official 46:bebbbd80dd87 40 *obj->reg_clr = obj->mask;
mbed_official 46:bebbbd80dd87 41 }
mbed_official 46:bebbbd80dd87 42
mbed_official 46:bebbbd80dd87 43 static inline int gpio_read(gpio_t *obj) {
mbed_official 227:7bd0639b8911 44 MBED_ASSERT(obj->pin != (PinName)NC);
mbed_official 46:bebbbd80dd87 45 return ((*obj->reg_in & obj->mask) ? 1 : 0);
mbed_official 46:bebbbd80dd87 46 }
mbed_official 46:bebbbd80dd87 47
mbed_official 46:bebbbd80dd87 48 #ifdef __cplusplus
mbed_official 46:bebbbd80dd87 49 }
mbed_official 46:bebbbd80dd87 50 #endif
mbed_official 46:bebbbd80dd87 51
mbed_official 46:bebbbd80dd87 52 #endif