Umar Naeem / mbed-dev

mbed library sources. Supersedes mbed-src.

Fork of mbed-dev by Umar Naeem

targets/TARGET_WIZNET/TARGET_W7500x/gpio_object.h@165:2dd56e6daeec, 2017-05-23 (annotated)

Committer:
ranaumarnaeem
Date:
Tue May 23 12:54:50 2017 +0000
Revision:
165:2dd56e6daeec
Parent:
149:156823d33999 
jhjg

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 144:ef7eb2e8f9f7 1 /* mbed Microcontroller Library
<> 144:ef7eb2e8f9f7 2 *******************************************************************************
<> 144:ef7eb2e8f9f7 3 * Copyright (c) 2015 WIZnet Co.,Ltd. All rights reserved.
<> 144:ef7eb2e8f9f7 4 * All rights reserved.
<> 144:ef7eb2e8f9f7 5 *
<> 144:ef7eb2e8f9f7 6 * Redistribution and use in source and binary forms, with or without
<> 144:ef7eb2e8f9f7 7 * modification, are permitted provided that the following conditions are met:
<> 144:ef7eb2e8f9f7 8 *
<> 144:ef7eb2e8f9f7 9 * 1. Redistributions of source code must retain the above copyright notice,
<> 144:ef7eb2e8f9f7 10 * this list of conditions and the following disclaimer.
<> 144:ef7eb2e8f9f7 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
<> 144:ef7eb2e8f9f7 12 * this list of conditions and the following disclaimer in the documentation
<> 144:ef7eb2e8f9f7 13 * and/or other materials provided with the distribution.
<> 144:ef7eb2e8f9f7 14 * 3. Neither the name of ARM Limited nor the names of its contributors
<> 144:ef7eb2e8f9f7 15 * may be used to endorse or promote products derived from this software
<> 144:ef7eb2e8f9f7 16 * without specific prior written permission.
<> 144:ef7eb2e8f9f7 17 *
<> 144:ef7eb2e8f9f7 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
<> 144:ef7eb2e8f9f7 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
<> 144:ef7eb2e8f9f7 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
<> 144:ef7eb2e8f9f7 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
<> 144:ef7eb2e8f9f7 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
<> 144:ef7eb2e8f9f7 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
<> 144:ef7eb2e8f9f7 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
<> 144:ef7eb2e8f9f7 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
<> 144:ef7eb2e8f9f7 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
<> 144:ef7eb2e8f9f7 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
<> 144:ef7eb2e8f9f7 28 *******************************************************************************
<> 144:ef7eb2e8f9f7 29 */
<> 144:ef7eb2e8f9f7 30
<> 144:ef7eb2e8f9f7 31 #ifndef MBED_GPIO_OBJECT_H
<> 144:ef7eb2e8f9f7 32 #define MBED_GPIO_OBJECT_H
<> 144:ef7eb2e8f9f7 33
<> 144:ef7eb2e8f9f7 34 #include "mbed_assert.h"
<> 144:ef7eb2e8f9f7 35 #include "W7500x_gpio.h"
<> 144:ef7eb2e8f9f7 36
<> 144:ef7eb2e8f9f7 37 #ifdef __cplusplus
<> 144:ef7eb2e8f9f7 38 extern "C" {
<> 144:ef7eb2e8f9f7 39 #endif
<> 144:ef7eb2e8f9f7 40
<> 144:ef7eb2e8f9f7 41 typedef struct {
<> 144:ef7eb2e8f9f7 42 PinName pin;
<> 144:ef7eb2e8f9f7 43 uint32_t pin_index;
<> 144:ef7eb2e8f9f7 44 uint32_t port_num;
<> 144:ef7eb2e8f9f7 45 uint32_t direction;
<> 144:ef7eb2e8f9f7 46 uint32_t mode;
<> 144:ef7eb2e8f9f7 47 __IO uint32_t *reg_data_in;
<> 144:ef7eb2e8f9f7 48 } gpio_t;
<> 144:ef7eb2e8f9f7 49
<> 144:ef7eb2e8f9f7 50
<> 144:ef7eb2e8f9f7 51 extern uint32_t Get_GPIO_BaseAddress(uint32_t port_idx);
<> 144:ef7eb2e8f9f7 52
<> 144:ef7eb2e8f9f7 53
<> 144:ef7eb2e8f9f7 54 static inline void gpio_write(gpio_t *obj, int value) {
<> 144:ef7eb2e8f9f7 55 MBED_ASSERT(obj->pin != (PinName)NC);
<> 144:ef7eb2e8f9f7 56
<> 144:ef7eb2e8f9f7 57 uint32_t port_num = WIZ_PORT(obj->pin);
<> 144:ef7eb2e8f9f7 58 uint32_t pin_index = WIZ_PIN_INDEX(obj->pin);
<> 144:ef7eb2e8f9f7 59
<> 144:ef7eb2e8f9f7 60 GPIO_TypeDef *gpio = (GPIO_TypeDef *)Get_GPIO_BaseAddress(port_num);
<> 144:ef7eb2e8f9f7 61
<> 144:ef7eb2e8f9f7 62
<> 144:ef7eb2e8f9f7 63 if (value)
<> 144:ef7eb2e8f9f7 64 {
<> 144:ef7eb2e8f9f7 65 HAL_GPIO_SetBits(gpio, pin_index);
<> 144:ef7eb2e8f9f7 66 }
<> 144:ef7eb2e8f9f7 67 else
<> 144:ef7eb2e8f9f7 68 {
<> 144:ef7eb2e8f9f7 69 HAL_GPIO_ResetBits(gpio, pin_index);
<> 144:ef7eb2e8f9f7 70 }
<> 144:ef7eb2e8f9f7 71 }
<> 144:ef7eb2e8f9f7 72
<> 144:ef7eb2e8f9f7 73 static inline int gpio_read(gpio_t *obj) {
<> 144:ef7eb2e8f9f7 74 int ret;
<> 144:ef7eb2e8f9f7 75
<> 144:ef7eb2e8f9f7 76 MBED_ASSERT(obj->pin != (PinName)NC);
<> 144:ef7eb2e8f9f7 77
<> 144:ef7eb2e8f9f7 78 uint32_t port_num = WIZ_PORT(obj->pin);
<> 144:ef7eb2e8f9f7 79
<> 144:ef7eb2e8f9f7 80 GPIO_TypeDef *gpio = (GPIO_TypeDef *)Get_GPIO_BaseAddress(port_num);
<> 144:ef7eb2e8f9f7 81
<> 144:ef7eb2e8f9f7 82 if(obj->direction == PIN_OUTPUT)
<> 144:ef7eb2e8f9f7 83 {
<> 144:ef7eb2e8f9f7 84 ret = ( HAL_GPIO_ReadOutputData(gpio) & obj->pin_index ) ? 1 : 0;
<> 144:ef7eb2e8f9f7 85 }
<> 144:ef7eb2e8f9f7 86 else
<> 144:ef7eb2e8f9f7 87 {
<> 144:ef7eb2e8f9f7 88 ret = ((*obj->reg_data_in & obj->pin_index) ? 1 : 0);
<> 144:ef7eb2e8f9f7 89 }
<> 144:ef7eb2e8f9f7 90
<> 144:ef7eb2e8f9f7 91 return ret;
<> 144:ef7eb2e8f9f7 92 }
<> 144:ef7eb2e8f9f7 93
<> 144:ef7eb2e8f9f7 94 static inline int gpio_is_connected(const gpio_t *obj) {
<> 144:ef7eb2e8f9f7 95 return obj->pin != (PinName)NC;
<> 144:ef7eb2e8f9f7 96 }
<> 144:ef7eb2e8f9f7 97
<> 144:ef7eb2e8f9f7 98 #ifdef __cplusplus
<> 144:ef7eb2e8f9f7 99 }
<> 144:ef7eb2e8f9f7 100 #endif
<> 144:ef7eb2e8f9f7 101
<> 144:ef7eb2e8f9f7 102 #endif