mbed library sources
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Diff: targets/hal/TARGET_Atmel/TARGET_SAM21/gpio_object.h
- Revision:
- 613:bc40b8d2aec4
- Parent:
- 612:fba1c7dc54c0
- Child:
- 614:9d86c2ae5de0
--- a/targets/hal/TARGET_Atmel/TARGET_SAM21/gpio_object.h Tue Aug 18 15:00:09 2015 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,65 +0,0 @@ -/* mbed Microcontroller Library - * Copyright (c) 2006-2013 ARM Limited - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -#ifndef MBED_GPIO_OBJECT_H -#define MBED_GPIO_OBJECT_H - -#include "mbed_assert.h" - -#ifdef __cplusplus -extern "C" { -#endif - -typedef struct { - PinName pin; - uint32_t mask; - uint8_t powersave; - uint8_t mode; - uint8_t direction; - - __IO uint32_t *OUTCLR; - __IO uint32_t *OUTSET; - __I uint32_t *IN; - __I uint32_t *OUT; -} gpio_t; - -static inline void gpio_write(gpio_t *obj, int value) -{ - MBED_ASSERT(obj->pin != (PinName)NC); - if (value) - *obj->OUTSET = obj->mask; - else - *obj->OUTCLR = obj->mask; -} - -static inline int gpio_read(gpio_t *obj) -{ - MBED_ASSERT(obj->pin != (PinName)NC); - if (obj->direction == PIN_INPUT) - return ((*obj->IN & obj->mask) ? 1 : 0); - else - return ((*obj->OUT & obj->mask) ? 1 : 0); -} - -static inline int gpio_is_connected(const gpio_t *obj) -{ - return obj->pin != (PinName)NC; -} - -#ifdef __cplusplus -} -#endif - -#endif