Johannes Stratmann / mbed-dev

added prescaler for 16 bit pwm in LPC1347 target

Fork of mbed-dev by mbed official

targets/hal/TARGET_WIZNET/TARGET_W7500x/gpio_object.h@0:9b334a45a8ff, 2015-10-01 (annotated)

Committer:
bogdanm
Date:
Thu Oct 01 15:25:22 2015 +0300
Revision:
0:9b334a45a8ff
Child:
144:ef7eb2e8f9f7
Initial commit on mbed-dev



Replaces mbed-src (now inactive)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 0:9b334a45a8ff 1 /* mbed Microcontroller Library
bogdanm 0:9b334a45a8ff 2 *******************************************************************************
bogdanm 0:9b334a45a8ff 3 * Copyright (c) 2015 WIZnet Co.,Ltd. All rights reserved.
bogdanm 0:9b334a45a8ff 4 * All rights reserved.
bogdanm 0:9b334a45a8ff 5 *
bogdanm 0:9b334a45a8ff 6 * Redistribution and use in source and binary forms, with or without
bogdanm 0:9b334a45a8ff 7 * modification, are permitted provided that the following conditions are met:
bogdanm 0:9b334a45a8ff 8 *
bogdanm 0:9b334a45a8ff 9 * 1. Redistributions of source code must retain the above copyright notice,
bogdanm 0:9b334a45a8ff 10 * this list of conditions and the following disclaimer.
bogdanm 0:9b334a45a8ff 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
bogdanm 0:9b334a45a8ff 12 * this list of conditions and the following disclaimer in the documentation
bogdanm 0:9b334a45a8ff 13 * and/or other materials provided with the distribution.
bogdanm 0:9b334a45a8ff 14 * 3. Neither the name of ARM Limited nor the names of its contributors
bogdanm 0:9b334a45a8ff 15 * may be used to endorse or promote products derived from this software
bogdanm 0:9b334a45a8ff 16 * without specific prior written permission.
bogdanm 0:9b334a45a8ff 17 *
bogdanm 0:9b334a45a8ff 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
bogdanm 0:9b334a45a8ff 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
bogdanm 0:9b334a45a8ff 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
bogdanm 0:9b334a45a8ff 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
bogdanm 0:9b334a45a8ff 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
bogdanm 0:9b334a45a8ff 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
bogdanm 0:9b334a45a8ff 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
bogdanm 0:9b334a45a8ff 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
bogdanm 0:9b334a45a8ff 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
bogdanm 0:9b334a45a8ff 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
bogdanm 0:9b334a45a8ff 28 *******************************************************************************
bogdanm 0:9b334a45a8ff 29 */
bogdanm 0:9b334a45a8ff 30
bogdanm 0:9b334a45a8ff 31 #ifndef MBED_GPIO_OBJECT_H
bogdanm 0:9b334a45a8ff 32 #define MBED_GPIO_OBJECT_H
bogdanm 0:9b334a45a8ff 33
bogdanm 0:9b334a45a8ff 34 #include "mbed_assert.h"
bogdanm 0:9b334a45a8ff 35 #include "W7500x_gpio.h"
bogdanm 0:9b334a45a8ff 36
bogdanm 0:9b334a45a8ff 37 #ifdef __cplusplus
bogdanm 0:9b334a45a8ff 38 extern "C" {
bogdanm 0:9b334a45a8ff 39 #endif
bogdanm 0:9b334a45a8ff 40
bogdanm 0:9b334a45a8ff 41 typedef struct {
bogdanm 0:9b334a45a8ff 42 PinName pin;
bogdanm 0:9b334a45a8ff 43 uint32_t pin_index;
bogdanm 0:9b334a45a8ff 44 uint32_t port_num;
bogdanm 0:9b334a45a8ff 45 uint32_t direction;
bogdanm 0:9b334a45a8ff 46 uint32_t mode;
bogdanm 0:9b334a45a8ff 47 __IO uint32_t *reg_data_in;
bogdanm 0:9b334a45a8ff 48 } gpio_t;
bogdanm 0:9b334a45a8ff 49
bogdanm 0:9b334a45a8ff 50
bogdanm 0:9b334a45a8ff 51 extern uint32_t Get_GPIO_BaseAddress(uint32_t port_idx);
bogdanm 0:9b334a45a8ff 52
bogdanm 0:9b334a45a8ff 53
bogdanm 0:9b334a45a8ff 54 static inline void gpio_write(gpio_t *obj, int value) {
bogdanm 0:9b334a45a8ff 55 MBED_ASSERT(obj->pin != (PinName)NC);
bogdanm 0:9b334a45a8ff 56
bogdanm 0:9b334a45a8ff 57 uint32_t port_num = WIZ_PORT(obj->pin);
bogdanm 0:9b334a45a8ff 58 uint32_t pin_index = WIZ_PIN_INDEX(obj->pin);
bogdanm 0:9b334a45a8ff 59
bogdanm 0:9b334a45a8ff 60 GPIO_TypeDef *gpio = (GPIO_TypeDef *)Get_GPIO_BaseAddress(port_num);
bogdanm 0:9b334a45a8ff 61
bogdanm 0:9b334a45a8ff 62
bogdanm 0:9b334a45a8ff 63 if (value)
bogdanm 0:9b334a45a8ff 64 {
bogdanm 0:9b334a45a8ff 65 HAL_GPIO_SetBits(gpio, pin_index);
bogdanm 0:9b334a45a8ff 66 }
bogdanm 0:9b334a45a8ff 67 else
bogdanm 0:9b334a45a8ff 68 {
bogdanm 0:9b334a45a8ff 69 HAL_GPIO_ResetBits(gpio, pin_index);
bogdanm 0:9b334a45a8ff 70 }
bogdanm 0:9b334a45a8ff 71 }
bogdanm 0:9b334a45a8ff 72
bogdanm 0:9b334a45a8ff 73 static inline int gpio_read(gpio_t *obj) {
bogdanm 0:9b334a45a8ff 74 int ret;
bogdanm 0:9b334a45a8ff 75
bogdanm 0:9b334a45a8ff 76 MBED_ASSERT(obj->pin != (PinName)NC);
bogdanm 0:9b334a45a8ff 77
bogdanm 0:9b334a45a8ff 78 uint32_t port_num = WIZ_PORT(obj->pin);
bogdanm 0:9b334a45a8ff 79
bogdanm 0:9b334a45a8ff 80 GPIO_TypeDef *gpio = (GPIO_TypeDef *)Get_GPIO_BaseAddress(port_num);
bogdanm 0:9b334a45a8ff 81
bogdanm 0:9b334a45a8ff 82 if(obj->direction == PIN_OUTPUT)
bogdanm 0:9b334a45a8ff 83 {
bogdanm 0:9b334a45a8ff 84 ret = ( HAL_GPIO_ReadOutputData(gpio) & obj->pin_index ) ? 1 : 0;
bogdanm 0:9b334a45a8ff 85 }
bogdanm 0:9b334a45a8ff 86 else
bogdanm 0:9b334a45a8ff 87 {
bogdanm 0:9b334a45a8ff 88 ret = ((*obj->reg_data_in & obj->pin_index) ? 1 : 0);
bogdanm 0:9b334a45a8ff 89 }
bogdanm 0:9b334a45a8ff 90
bogdanm 0:9b334a45a8ff 91 return ret;
bogdanm 0:9b334a45a8ff 92 }
bogdanm 0:9b334a45a8ff 93
bogdanm 0:9b334a45a8ff 94 static inline int gpio_is_connected(const gpio_t *obj) {
bogdanm 0:9b334a45a8ff 95 return obj->pin != (PinName)NC;
bogdanm 0:9b334a45a8ff 96 }
bogdanm 0:9b334a45a8ff 97
bogdanm 0:9b334a45a8ff 98 #ifdef __cplusplus
bogdanm 0:9b334a45a8ff 99 }
bogdanm 0:9b334a45a8ff 100 #endif
bogdanm 0:9b334a45a8ff 101
bogdanm 0:9b334a45a8ff 102 #endif