tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/gpio_object.h

   1 /* mbed Microcontroller Library
   2  * Copyright (c) 2006-2013 ARM Limited
   3  *
   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
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  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.
  15  */
  16 #ifndef MBED_GPIO_OBJECT_H
  17 #define MBED_GPIO_OBJECT_H
  18
  19 #include "mbed_assert.h"
  20 #include "fsl_gpio_hal.h"
  21 // #include "cmsis.h"
  22
  23 #ifdef __cplusplus
  24 extern "C" {
  25 #endif
  26
  27 typedef struct {
  28     PinName pin;
  29 } gpio_t;
  30
  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;
  36
  37     GPIO_HAL_WritePinOutput(gpio_addrs[port], pin, value);
  38 }
  39
  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;
  45
  46     return (int)GPIO_HAL_ReadPinInput(gpio_addrs[port], pin);
  47 }
  48
  49 static inline int gpio_is_connected(const gpio_t *obj) {
  50     return obj->pin != (PinName)NC;
  51 }
  52
  53 #ifdef __cplusplus
  54 }
  55 #endif
  56
  57 #endif