83 lines
3.4 KiB
C
83 lines
3.4 KiB
C
/**
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******************************************************************************
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* @file gpio.c
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* @brief This file provides code for the configuration
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* of all used GPIO pins.
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) Puya Semiconductor Co.
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* All rights reserved.</center></h2>
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*
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* <h2><center>© Copyright (c) 2016 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "gpio.h"
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#include "ds18b20_driver.h"
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/* Private define ------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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/* Private user code ---------------------------------------------------------*/
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/* Private macro -------------------------------------------------------------*/
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/* Private function prototypes -----------------------------------------------*/
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/** Configure pins as
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* Analog
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* Input
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* Output
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* EVENT_OUT
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* EXTI
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*/
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void MX_GPIO_Init(void)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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/* GPIO Ports Clock Enable */
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__HAL_RCC_GPIOA_CLK_ENABLE();
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__HAL_RCC_GPIOB_CLK_ENABLE();
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/* Íàñòðîéêà ïèíà PB0 (OneWire) */
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DS_GPIO_Port->MODER &= ~(GPIO_MODER_MODE0);
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DS_GPIO_Port->MODER |= (GPIO_MODE_OUTPUT_PP << GPIO_MODER_MODE0_Pos);
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DS_GPIO_Port->PUPDR &= ~(GPIO_PUPDR_PUPD0);
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DS_GPIO_Port->PUPDR |= (GPIO_NOPULL << GPIO_PUPDR_PUPD0_Pos);
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DS_GPIO_Port->OSPEEDR |= (GPIO_SPEED_FREQ_VERY_HIGH << GPIO_OSPEEDR_OSPEED0_Pos);
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/* Óñòàíîâêà PA1, PA4, PA5 â âûñîêèé óðîâåíü */
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GPIOA->BSRR = GPIO_PIN_1 | GPIO_PIN_4 | GPIO_PIN_5;
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/*Configure LED GPIO pin : PA1 PA4 PA5 */
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/* Íàñòðîéêà ïèíîâ PA1, PA4, PA5 */
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GPIOA->MODER &= ~(GPIO_MODER_MODE1 | GPIO_MODER_MODE4 | GPIO_MODER_MODE5);
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GPIOA->MODER |= (GPIO_MODE_OUTPUT_PP << GPIO_MODER_MODE1_Pos) |
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(GPIO_MODE_OUTPUT_PP << GPIO_MODER_MODE4_Pos) |
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(GPIO_MODE_OUTPUT_PP << GPIO_MODER_MODE5_Pos);
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GPIOA->PUPDR &= ~(GPIO_PUPDR_PUPD1 | GPIO_PUPDR_PUPD4 | GPIO_PUPDR_PUPD5);
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GPIOA->PUPDR |= (GPIO_NOPULL << GPIO_PUPDR_PUPD1_Pos) |
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(GPIO_NOPULL << GPIO_PUPDR_PUPD4_Pos) |
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(GPIO_NOPULL << GPIO_PUPDR_PUPD5_Pos);
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GPIOA->OSPEEDR |= (GPIO_SPEED_FREQ_LOW << GPIO_OSPEEDR_OSPEED1_Pos) |
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(GPIO_SPEED_FREQ_LOW << GPIO_OSPEEDR_OSPEED4_Pos) |
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(GPIO_SPEED_FREQ_LOW << GPIO_OSPEEDR_OSPEED5_Pos);
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#ifdef PY32F002Bx5
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/*Configure LED GPIO pin : PB3 (Receive Enable) */
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/* Íàñòðîéêà ïèíîâ PA1, PA4, PA5 */
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GPIOB->MODER &= ~(GPIO_MODER_MODE3);
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GPIOB->MODER |= (GPIO_MODE_OUTPUT_PP << GPIO_MODER_MODE3_Pos);
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GPIOB->PUPDR &= ~(GPIO_PUPDR_PUPD3);
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GPIOB->PUPDR |= (GPIO_NOPULL << GPIO_PUPDR_PUPD3_Pos);
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GPIOB->OSPEEDR |= (GPIO_SPEED_FREQ_HIGH << GPIO_OSPEEDR_OSPEED3_Pos);
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#endif
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}
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/************************ (C) COPYRIGHT Puya *****END OF FILE******************/
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