mirror of https://github.com/ARMmbed/mbed-os.git
103 lines
3.1 KiB
C
103 lines
3.1 KiB
C
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/* mbed Microcontroller Library
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*******************************************************************************
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* Copyright (c) 2015 WIZnet Co.,Ltd. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of ARM Limited nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*******************************************************************************
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*/
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#ifndef MBED_GPIO_OBJECT_H
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#define MBED_GPIO_OBJECT_H
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#include "mbed_assert.h"
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#include "W7500x_gpio.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct {
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PinName pin;
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uint32_t pin_index;
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uint32_t port_num;
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uint32_t direction;
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uint32_t mode;
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__IO uint32_t *reg_data_in;
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} gpio_t;
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extern uint32_t Get_GPIO_BaseAddress(uint32_t port_idx);
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static inline void gpio_write(gpio_t *obj, int value) {
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MBED_ASSERT(obj->pin != (PinName)NC);
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uint32_t port_num = WIZ_PORT(obj->pin);
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uint32_t pin_index = WIZ_PIN_INDEX(obj->pin);
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GPIO_TypeDef *gpio = (GPIO_TypeDef *)Get_GPIO_BaseAddress(port_num);
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if (value)
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{
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HAL_GPIO_SetBits(gpio, pin_index);
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}
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else
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{
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HAL_GPIO_ResetBits(gpio, pin_index);
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}
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}
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static inline int gpio_read(gpio_t *obj) {
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int ret;
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MBED_ASSERT(obj->pin != (PinName)NC);
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uint32_t port_num = WIZ_PORT(obj->pin);
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GPIO_TypeDef *gpio = (GPIO_TypeDef *)Get_GPIO_BaseAddress(port_num);
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if(obj->direction == PIN_OUTPUT)
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{
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ret = ( HAL_GPIO_ReadOutputData(gpio) & obj->pin_index ) ? 1 : 0;
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}
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else
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{
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ret = ((*obj->reg_data_in & obj->pin_index) ? 1 : 0);
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}
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return ret;
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}
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static inline int gpio_is_connected(const gpio_t *obj) {
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return obj->pin != (PinName)NC;
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}
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#ifdef __cplusplus
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}
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#endif
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#endif
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