setgpio.c

STM32系列的串口程序

/*******************************************************************************
* Function Name  : GPIO_Configuration
* Description    : Configures the different GPIO ports.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/

#include <stm32f10x_lib.h>              /* STM32F10x Library Definitions      */
#include "UET_GPIO.h"
void SetupGPIO(void)	;
GPIO_InitTypeDef GPIO_InitStructure;

/*******************************************************************************
* Function Name  : GPIO_Configuration
* Description    : Configures the different GPIO ports.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/

void SetupGPIO(void)	
{
   /* Configure USART1 Rx (PA10) as input floating                             */
  GPIO_InitStructure.GPIO_Pin   = GPIO_Pin_10;
  GPIO_InitStructure.GPIO_Mode  = GPIO_Mode_IN_FLOATING;
  GPIO_Init(GPIOA, &GPIO_InitStructure);

  /* Configure USART1 Tx (PA9) as alternate function push-pull                */
  GPIO_InitStructure.GPIO_Pin   = GPIO_Pin_9;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode  = GPIO_Mode_AF_PP;
  GPIO_Init(GPIOA, &GPIO_InitStructure);

}