Lee Kai Xuan / mbed-os

mbed-os

Fork of mbed-os by erkin yucel

targets/TARGET_NUVOTON/TARGET_NUC472/gpio_object.h@1:3deb71413561, 2017-07-20 (annotated)

Committer:
xuaner
Date:
Thu Jul 20 14:26:57 2017 +0000
Revision:
1:3deb71413561
Parent:
0:f269e3021894 
mbed_os

Who changed what in which revision?

UserRevisionLine numberNew contents of line
elessair 0:f269e3021894 1 /* mbed Microcontroller Library
elessair 0:f269e3021894 2 * Copyright (c) 2015-2016 Nuvoton
elessair 0:f269e3021894 3 *
elessair 0:f269e3021894 4 * Licensed under the Apache License, Version 2.0 (the "License");
elessair 0:f269e3021894 5 * you may not use this file except in compliance with the License.
elessair 0:f269e3021894 6 * You may obtain a copy of the License at
elessair 0:f269e3021894 7 *
elessair 0:f269e3021894 8 * http://www.apache.org/licenses/LICENSE-2.0
elessair 0:f269e3021894 9 *
elessair 0:f269e3021894 10 * Unless required by applicable law or agreed to in writing, software
elessair 0:f269e3021894 11 * distributed under the License is distributed on an "AS IS" BASIS,
elessair 0:f269e3021894 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
elessair 0:f269e3021894 13 * See the License for the specific language governing permissions and
elessair 0:f269e3021894 14 * limitations under the License.
elessair 0:f269e3021894 15 */
elessair 0:f269e3021894 16
elessair 0:f269e3021894 17 #ifndef MBED_GPIO_OBJECT_H
elessair 0:f269e3021894 18 #define MBED_GPIO_OBJECT_H
elessair 0:f269e3021894 19
elessair 0:f269e3021894 20 #include "mbed_assert.h"
elessair 0:f269e3021894 21 #include "cmsis.h"
elessair 0:f269e3021894 22 #include "PortNames.h"
elessair 0:f269e3021894 23 #include "PeripheralNames.h"
elessair 0:f269e3021894 24 #include "PinNames.h"
elessair 0:f269e3021894 25
elessair 0:f269e3021894 26 #ifdef __cplusplus
elessair 0:f269e3021894 27 extern "C" {
elessair 0:f269e3021894 28 #endif
elessair 0:f269e3021894 29
elessair 0:f269e3021894 30 typedef struct {
elessair 0:f269e3021894 31 PinName pin;
elessair 0:f269e3021894 32 uint32_t mask;
elessair 0:f269e3021894 33 } gpio_t;
elessair 0:f269e3021894 34
elessair 0:f269e3021894 35 static inline void gpio_write(gpio_t *obj, int value)
elessair 0:f269e3021894 36 {
elessair 0:f269e3021894 37 MBED_ASSERT(obj->pin != (PinName)NC);
elessair 0:f269e3021894 38 uint32_t pin_index = NU_PINNAME_TO_PIN(obj->pin);
elessair 0:f269e3021894 39 uint32_t port_index = NU_PINNAME_TO_PORT(obj->pin);
elessair 0:f269e3021894 40
elessair 0:f269e3021894 41 GPIO_PIN_ADDR(port_index, pin_index) = value ? 1 : 0;
elessair 0:f269e3021894 42 }
elessair 0:f269e3021894 43
elessair 0:f269e3021894 44 static inline int gpio_read(gpio_t *obj)
elessair 0:f269e3021894 45 {
elessair 0:f269e3021894 46 MBED_ASSERT(obj->pin != (PinName)NC);
elessair 0:f269e3021894 47 uint32_t pin_index = NU_PINNAME_TO_PIN(obj->pin);
elessair 0:f269e3021894 48 uint32_t port_index = NU_PINNAME_TO_PORT(obj->pin);
elessair 0:f269e3021894 49
elessair 0:f269e3021894 50 return (GPIO_PIN_ADDR(port_index, pin_index) ? 1 : 0);
elessair 0:f269e3021894 51 }
elessair 0:f269e3021894 52
elessair 0:f269e3021894 53 #ifdef __cplusplus
elessair 0:f269e3021894 54 }
elessair 0:f269e3021894 55 #endif
elessair 0:f269e3021894 56
elessair 0:f269e3021894 57 #endif