57 lines
2.1 KiB
C
57 lines
2.1 KiB
C
/******************** (C) COPYRIGHT 2020 GEEKIMU *******************************
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* File Name : gpio.c
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* Current Version : V2.0 & ST 3.5.0
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* Author : zhanli 719901725@qq.com & JustFeng.
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* Date of Issued : 2017.1.11 zhanli : Create
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* Comments : STM32 GPIO相关功能
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********************************************************************************/
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#include "gpio.h"
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#include "stm32f10x_gpio.h"
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#include "stm32f10x_rcc.h"
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#include "sys.h"
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#include "led.h"
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#define USB_ENABLE_PERIPH_CLK RCC_APB2Periph_GPIOA // USB使能端口时钟
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#define USB_ENABLE_GPIO_TYPE GPIOA // USB使能端口类型
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#define USB_ENABLE_PIN GPIO_Pin_2 // USB使能端口PA2
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/**----------------------------------------------------------------------
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* Function : Init_USB_Enable_GPIO
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* Description : USB使能控制IO初始化
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* Author : zhanli&719901725@qq.com & JustFeng.
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* Date : 2015/2/13 zhanli
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*---------------------------------------------------------------------**/
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void Init_USB_Enable_GPIO()
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{
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GPIO_InitTypeDef GPIO_InitStructure;
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RCC_APB2PeriphClockCmd(USB_ENABLE_PERIPH_CLK, ENABLE); /* 使能PB端口时钟 */
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GPIO_InitStructure.GPIO_Pin = USB_ENABLE_PIN; /* LED0-->PB.9 端口配置 */
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; /* 推挽输出 */
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; /* IO口速度为50MHz */
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GPIO_Init(USB_ENABLE_GPIO_TYPE, &GPIO_InitStructure); /* 根据设定参数初始化GPIOB.9 */
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// USB上拉使能，默认USB开启
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GPIO_SetBits(USB_ENABLE_GPIO_TYPE, USB_ENABLE_PIN);
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}
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/**----------------------------------------------------------------------
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* Function : GPIO_Configuration
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* Description : 在Set_System()被调用，用于配置各种IO口
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* Author : zhanli&719901725@qq.com & JustFeng.
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* Date : 2015/9/17 zhanli
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*---------------------------------------------------------------------**/
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void GPIO_Configuration(void)
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{
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// USB使能端口初始化
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Init_USB_Enable_GPIO();
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// LED初始化
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LED_Init_GPIO();
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}
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