?? gpio.c
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/******************** (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****/
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