siva surendar / mbed-dev

mbed library sources. Supersedes mbed-src.

Fork of mbed-dev by mbed official

targets/TARGET_NUVOTON/TARGET_M451/gpio_object.h@150:da61ba4e9755, 2016-11-25 (annotated)

Committer:
sivasuren
Date:
Fri Nov 25 07:57:40 2016 +0000
Revision:
150:da61ba4e9755
Parent:
149:156823d33999 
surendar changes

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 149:156823d33999 1 /* mbed Microcontroller Library
<> 149:156823d33999 2 * Copyright (c) 2015-2016 Nuvoton
<> 149:156823d33999 3 *
<> 149:156823d33999 4 * Licensed under the Apache License, Version 2.0 (the "License");
<> 149:156823d33999 5 * you may not use this file except in compliance with the License.
<> 149:156823d33999 6 * You may obtain a copy of the License at
<> 149:156823d33999 7 *
<> 149:156823d33999 8 * http://www.apache.org/licenses/LICENSE-2.0
<> 149:156823d33999 9 *
<> 149:156823d33999 10 * Unless required by applicable law or agreed to in writing, software
<> 149:156823d33999 11 * distributed under the License is distributed on an "AS IS" BASIS,
<> 149:156823d33999 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
<> 149:156823d33999 13 * See the License for the specific language governing permissions and
<> 149:156823d33999 14 * limitations under the License.
<> 149:156823d33999 15 */
<> 149:156823d33999 16
<> 149:156823d33999 17 #ifndef MBED_GPIO_OBJECT_H
<> 149:156823d33999 18 #define MBED_GPIO_OBJECT_H
<> 149:156823d33999 19
<> 149:156823d33999 20 #include "mbed_assert.h"
<> 149:156823d33999 21 #include "cmsis.h"
<> 149:156823d33999 22 #include "PortNames.h"
<> 149:156823d33999 23 #include "PeripheralNames.h"
<> 149:156823d33999 24 #include "PinNames.h"
<> 149:156823d33999 25
<> 149:156823d33999 26 #ifdef __cplusplus
<> 149:156823d33999 27 extern "C" {
<> 149:156823d33999 28 #endif
<> 149:156823d33999 29
<> 149:156823d33999 30 typedef struct {
<> 149:156823d33999 31 PinName pin;
<> 149:156823d33999 32 uint32_t mask;
<> 149:156823d33999 33 } gpio_t;
<> 149:156823d33999 34
<> 149:156823d33999 35 static inline void gpio_write(gpio_t *obj, int value)
<> 149:156823d33999 36 {
<> 149:156823d33999 37 MBED_ASSERT(obj->pin != (PinName)NC);
<> 149:156823d33999 38 uint32_t pin_index = NU_PINNAME_TO_PIN(obj->pin);
<> 149:156823d33999 39 uint32_t port_index = NU_PINNAME_TO_PORT(obj->pin);
<> 149:156823d33999 40
<> 149:156823d33999 41 GPIO_PIN_DATA(port_index, pin_index) = value ? 1 : 0;
<> 149:156823d33999 42 }
<> 149:156823d33999 43
<> 149:156823d33999 44 static inline int gpio_read(gpio_t *obj)
<> 149:156823d33999 45 {
<> 149:156823d33999 46 MBED_ASSERT(obj->pin != (PinName)NC);
<> 149:156823d33999 47 uint32_t pin_index = NU_PINNAME_TO_PIN(obj->pin);
<> 149:156823d33999 48 uint32_t port_index = NU_PINNAME_TO_PORT(obj->pin);
<> 149:156823d33999 49
<> 149:156823d33999 50 return (GPIO_PIN_DATA(port_index, pin_index) ? 1 : 0);
<> 149:156823d33999 51 }
<> 149:156823d33999 52
<> 149:156823d33999 53 #ifdef __cplusplus
<> 149:156823d33999 54 }
<> 149:156823d33999 55 #endif
<> 149:156823d33999 56
<> 149:156823d33999 57 #endif