1 /* mbed Microcontroller Library
2 * Copyright (c) 2006-2013 ARM Limited
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 #ifndef MBED_GPIO_OBJECT_H
17 #define MBED_GPIO_OBJECT_H
19 #include "mbed_assert.h"
20 #include "fsl_gpio_hal.h"
31 static inline void gpio_write(gpio_t *obj, int value) {
32 MBED_ASSERT(obj->pin != (PinName)NC);
33 uint32_t port = obj->pin >> GPIO_PORT_SHIFT;
34 uint32_t pin = obj->pin & 0xFF;
35 uint32_t gpio_addrs[] = GPIO_BASE_ADDRS;
37 GPIO_HAL_WritePinOutput(gpio_addrs[port], pin, value);
40 static inline int gpio_read(gpio_t *obj) {
41 MBED_ASSERT(obj->pin != (PinName)NC);
42 uint32_t port = obj->pin >> GPIO_PORT_SHIFT;
43 uint32_t pin = obj->pin & 0xFF;
44 uint32_t gpio_addrs[] = GPIO_BASE_ADDRS;
46 return (int)GPIO_HAL_ReadPinInput(gpio_addrs[port], pin);
49 static inline int gpio_is_connected(const gpio_t *obj) {
50 return obj->pin != (PinName)NC;