gpio.c

STR71x Flash IAP Example This project is an RV-MDK adaptation of the ST Application Note: "STR71

/******************** (C) COPYRIGHT 2006 STMicroelectronics ********************
* File Name          : gpio.c
* Author             : MCD Application Team
* Date First Issued  : 06/08/2003
* Description        : This file provides all the GPIO software functions.
********************************************************************************
* History:
*  02/01/2006 : IAP Version 2.0
*  11/24/2004 : IAP Version 1.0
*******************************************************************************
 THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS WITH
 CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
 AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT, INDIRECT
 OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE CONTENT
 OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING INFORMATION
 CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*******************************************************************************/

#include "gpio.h"

/*******************************************************************************
* Function Name  : GPIO_Config
* Description    : Configure the GPIO port pins.
* Input 1        : GPIOx (x can be 0,1 or 2) the desired port.
* Input 2        : Port_Pins : pins placements.
* Input 3        : Pins Mode(GPIO_HI_AIN_TRI,GPIO_IN_TRI_TTL,GPIO_IN_TRI_CMOS,
*                   GPIO_IPUPD_WP,GPIO_OUT_OD,GPIO_OUT_PP,GPIO_AF_OD,GPIO_AF_PP).
* Output         : None
* Return         : None
*******************************************************************************/
void GPIO_Config (GPIO_TypeDef *GPIOx, u16 Port_Pins, GpioPinMode_TypeDef GPIO_Mode)
{
  switch (GPIO_Mode)
  {
    case GPIO_HI_AIN_TRI:
      GPIOx->PC0&=~Port_Pins;
      GPIOx->PC1&=~Port_Pins;
      GPIOx->PC2&=~Port_Pins;
      break;

    case GPIO_IN_TRI_TTL:
      GPIOx->PC0|=Port_Pins;
      GPIOx->PC1&=~Port_Pins;
      GPIOx->PC2&=~Port_Pins;
      break;

    case GPIO_IN_TRI_CMOS:
      GPIOx->PC0&=~Port_Pins;
      GPIOx->PC1|=Port_Pins;
      GPIOx->PC2&=~Port_Pins;
      break;

    case GPIO_IPUPD_WP:
      GPIOx->PC0|=Port_Pins;
      GPIOx->PC1|=Port_Pins;
      GPIOx->PC2&=~Port_Pins;
      break;

    case GPIO_OUT_OD:
      GPIOx->PC0&=~Port_Pins;
      GPIOx->PC1&=~Port_Pins;
      GPIOx->PC2|=Port_Pins;
      break;

    case GPIO_OUT_PP:
      GPIOx->PC0|=Port_Pins;
      GPIOx->PC1&=~Port_Pins;
      GPIOx->PC2|=Port_Pins;
      break;

    case GPIO_AF_OD:
      GPIOx->PC0&=~Port_Pins;
      GPIOx->PC1|=Port_Pins;
      GPIOx->PC2|=Port_Pins;
      break;

    case GPIO_AF_PP:
      GPIOx->PC0|=Port_Pins;
      GPIOx->PC1|=Port_Pins;
      GPIOx->PC2|=Port_Pins;
      break;
  }
}

/******************* (C) COPYRIGHT 2006 STMicroelectronics *****END OF FILE****/