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mbed 2

This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.

TARGET_WIZwiki_W7500/TARGET_WIZNET/TARGET_W7500x/gpio_object.h@156:ff21514d8981, 2017-11-08 (annotated)

Committer:
AnnaBridge
Date:
Wed Nov 08 17:18:06 2017 +0000
Revision:
156:ff21514d8981
Reverting back to release 154 of the mbed library

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 156:ff21514d8981 1 /* mbed Microcontroller Library
AnnaBridge 156:ff21514d8981 2 *******************************************************************************
AnnaBridge 156:ff21514d8981 3 * Copyright (c) 2015 WIZnet Co.,Ltd. All rights reserved.
AnnaBridge 156:ff21514d8981 4 * All rights reserved.
AnnaBridge 156:ff21514d8981 5 *
AnnaBridge 156:ff21514d8981 6 * Redistribution and use in source and binary forms, with or without
AnnaBridge 156:ff21514d8981 7 * modification, are permitted provided that the following conditions are met:
AnnaBridge 156:ff21514d8981 8 *
AnnaBridge 156:ff21514d8981 9 * 1. Redistributions of source code must retain the above copyright notice,
AnnaBridge 156:ff21514d8981 10 * this list of conditions and the following disclaimer.
AnnaBridge 156:ff21514d8981 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
AnnaBridge 156:ff21514d8981 12 * this list of conditions and the following disclaimer in the documentation
AnnaBridge 156:ff21514d8981 13 * and/or other materials provided with the distribution.
AnnaBridge 156:ff21514d8981 14 * 3. Neither the name of ARM Limited nor the names of its contributors
AnnaBridge 156:ff21514d8981 15 * may be used to endorse or promote products derived from this software
AnnaBridge 156:ff21514d8981 16 * without specific prior written permission.
AnnaBridge 156:ff21514d8981 17 *
AnnaBridge 156:ff21514d8981 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AnnaBridge 156:ff21514d8981 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
AnnaBridge 156:ff21514d8981 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
AnnaBridge 156:ff21514d8981 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
AnnaBridge 156:ff21514d8981 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
AnnaBridge 156:ff21514d8981 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
AnnaBridge 156:ff21514d8981 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
AnnaBridge 156:ff21514d8981 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
AnnaBridge 156:ff21514d8981 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
AnnaBridge 156:ff21514d8981 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
AnnaBridge 156:ff21514d8981 28 *******************************************************************************
AnnaBridge 156:ff21514d8981 29 */
AnnaBridge 156:ff21514d8981 30
AnnaBridge 156:ff21514d8981 31 #ifndef MBED_GPIO_OBJECT_H
AnnaBridge 156:ff21514d8981 32 #define MBED_GPIO_OBJECT_H
AnnaBridge 156:ff21514d8981 33
AnnaBridge 156:ff21514d8981 34 #include "mbed_assert.h"
AnnaBridge 156:ff21514d8981 35 #include "W7500x_gpio.h"
AnnaBridge 156:ff21514d8981 36
AnnaBridge 156:ff21514d8981 37 #ifdef __cplusplus
AnnaBridge 156:ff21514d8981 38 extern "C" {
AnnaBridge 156:ff21514d8981 39 #endif
AnnaBridge 156:ff21514d8981 40
AnnaBridge 156:ff21514d8981 41 typedef struct {
AnnaBridge 156:ff21514d8981 42 PinName pin;
AnnaBridge 156:ff21514d8981 43 uint32_t pin_index;
AnnaBridge 156:ff21514d8981 44 uint32_t port_num;
AnnaBridge 156:ff21514d8981 45 uint32_t direction;
AnnaBridge 156:ff21514d8981 46 uint32_t mode;
AnnaBridge 156:ff21514d8981 47 __IO uint32_t *reg_data_in;
AnnaBridge 156:ff21514d8981 48 } gpio_t;
AnnaBridge 156:ff21514d8981 49
AnnaBridge 156:ff21514d8981 50
AnnaBridge 156:ff21514d8981 51 extern uint32_t Get_GPIO_BaseAddress(uint32_t port_idx);
AnnaBridge 156:ff21514d8981 52
AnnaBridge 156:ff21514d8981 53
AnnaBridge 156:ff21514d8981 54 static inline void gpio_write(gpio_t *obj, int value) {
AnnaBridge 156:ff21514d8981 55 MBED_ASSERT(obj->pin != (PinName)NC);
AnnaBridge 156:ff21514d8981 56
AnnaBridge 156:ff21514d8981 57 uint32_t port_num = WIZ_PORT(obj->pin);
AnnaBridge 156:ff21514d8981 58 uint32_t pin_index = WIZ_PIN_INDEX(obj->pin);
AnnaBridge 156:ff21514d8981 59
AnnaBridge 156:ff21514d8981 60 GPIO_TypeDef *gpio = (GPIO_TypeDef *)Get_GPIO_BaseAddress(port_num);
AnnaBridge 156:ff21514d8981 61
AnnaBridge 156:ff21514d8981 62
AnnaBridge 156:ff21514d8981 63 if (value)
AnnaBridge 156:ff21514d8981 64 {
AnnaBridge 156:ff21514d8981 65 HAL_GPIO_SetBits(gpio, pin_index);
AnnaBridge 156:ff21514d8981 66 }
AnnaBridge 156:ff21514d8981 67 else
AnnaBridge 156:ff21514d8981 68 {
AnnaBridge 156:ff21514d8981 69 HAL_GPIO_ResetBits(gpio, pin_index);
AnnaBridge 156:ff21514d8981 70 }
AnnaBridge 156:ff21514d8981 71 }
AnnaBridge 156:ff21514d8981 72
AnnaBridge 156:ff21514d8981 73 static inline int gpio_read(gpio_t *obj) {
AnnaBridge 156:ff21514d8981 74 int ret;
AnnaBridge 156:ff21514d8981 75
AnnaBridge 156:ff21514d8981 76 MBED_ASSERT(obj->pin != (PinName)NC);
AnnaBridge 156:ff21514d8981 77
AnnaBridge 156:ff21514d8981 78 uint32_t port_num = WIZ_PORT(obj->pin);
AnnaBridge 156:ff21514d8981 79
AnnaBridge 156:ff21514d8981 80 GPIO_TypeDef *gpio = (GPIO_TypeDef *)Get_GPIO_BaseAddress(port_num);
AnnaBridge 156:ff21514d8981 81
AnnaBridge 156:ff21514d8981 82 if(obj->direction == PIN_OUTPUT)
AnnaBridge 156:ff21514d8981 83 {
AnnaBridge 156:ff21514d8981 84 ret = ( HAL_GPIO_ReadOutputData(gpio) & obj->pin_index ) ? 1 : 0;
AnnaBridge 156:ff21514d8981 85 }
AnnaBridge 156:ff21514d8981 86 else
AnnaBridge 156:ff21514d8981 87 {
AnnaBridge 156:ff21514d8981 88 ret = ((*obj->reg_data_in & obj->pin_index) ? 1 : 0);
AnnaBridge 156:ff21514d8981 89 }
AnnaBridge 156:ff21514d8981 90
AnnaBridge 156:ff21514d8981 91 return ret;
AnnaBridge 156:ff21514d8981 92 }
AnnaBridge 156:ff21514d8981 93
AnnaBridge 156:ff21514d8981 94 static inline int gpio_is_connected(const gpio_t *obj) {
AnnaBridge 156:ff21514d8981 95 return obj->pin != (PinName)NC;
AnnaBridge 156:ff21514d8981 96 }
AnnaBridge 156:ff21514d8981 97
AnnaBridge 156:ff21514d8981 98 #ifdef __cplusplus
AnnaBridge 156:ff21514d8981 99 }
AnnaBridge 156:ff21514d8981 100 #endif
AnnaBridge 156:ff21514d8981 101
AnnaBridge 156:ff21514d8981 102 #endif