/**************************************************************************//**
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* @file gpio.c
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* @version V1.00
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* $Revision: 3 $
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* $Date: 19/11/18 18:33 $
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* @brief Panchip series GPIO driver source file
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*
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* @note
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* Copyright (C) 2016 Panchip Technology Corp. All rights reserved.
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*****************************************************************************/
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#include "PanSeries.h"
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#include "pan_gpio.h"
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/** @addtogroup Panchip_Device_Driver Panchip Device Driver
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@{
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*/
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/** @addtogroup Panchip_GPIO_Driver GPIO Driver
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@{
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*/
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/** @addtogroup Panchip_GPIO_EXPORTED_FUNCTIONS GPIO Exported Functions
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@{
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*/
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/**
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* @brief Set GPIO operation mode
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*
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* @param[in] gpio GPIO port. It could be \ref P0, \ref P1, \ref P2, \ref P3, \ref P4 or \ref P5.
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* @param[in] u32PinMask The single or multiple pins of specified GPIO port. \ref BIT0, \ref BIT1, \ref BIT2,.. \ref BIT7
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* @param[in] u32Mode Operation mode.
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* - \ref GPIO_MODE_INPUT,
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* - \ref GPIO_MODE_OUTPUT,
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* - \ref GPIO_MODE_OPEN_DRAIN,
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* - \ref GPIO_MODE_QUASI
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*
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* @return None
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*
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* @details This function is used to set specified GPIO operation mode.
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*/
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void GPIO_SetMode(GPIO_T *gpio, uint32_t u32PinMask, GPIO_ModeDef Mode)
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{
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uint32_t i;
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for (i=0; i<GPIO_PIN_MAX; i++) {
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if (u32PinMask & (1 << i)) {
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gpio->MODE = (gpio->MODE & ~(0x3 << (i << 1))) | (Mode << (i << 1));
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}
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}
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if((GPIO_MODE_INPUT==Mode)|(GPIO_MODE_QUASI==Mode))
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gpio->DINOFF &= ~ ( u32PinMask<<16 );
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}
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/*@}*/ /* end of group Panchip_GPIO_EXPORTED_FUNCTIONS */
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/*@}*/ /* end of group Panchip_GPIO_Driver */
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/*@}*/ /* end of group Panchip_Device_Driver */
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/*** (C) COPYRIGHT 2016 Panchip Technology Corp. ***/
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