📄 pio.h
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/* * (C) Copyright 2005 * M Amine SAYA ATEML Rousset, France. * include/asm/arch/pio.h contains pio config and management functions * * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */#ifndef __ASM_ARCH_PIO_H#define __ASM_ARCH_PIO_H//*----------------------------------------------------------------------------//* \fn AT91F_PIO_CfgPeriph//* \brief Enable pins to be drived by peripheral//*----------------------------------------------------------------------------void __inline__ AT91F_PIO_CfgPeriph( AT91PS_PIO pPio, // \arg pointer to a PIO controller unsigned int periphAEnable, // \arg PERIPH A to enable unsigned int periphBEnable) // \arg PERIPH B to enable{ pPio->PIO_ASR = periphAEnable; pPio->PIO_BSR = periphBEnable; pPio->PIO_PDR = (periphAEnable | periphBEnable); // Set in Periph mode}//*----------------------------------------------------------------------------//* \fn AT91F_PIO_CfgOutput//* \brief Enable PIO in output mode//*----------------------------------------------------------------------------void __inline__ AT91F_PIO_CfgOutput( AT91PS_PIO pPio, // \arg pointer to a PIO controller unsigned int pioEnable) // \arg PIO to be enabled{ pPio->PIO_PER = pioEnable; // Set in PIO mode pPio->PIO_OER = pioEnable; // Configure in Output}//*----------------------------------------------------------------------------//* \fn AT91F_PIO_CfgInput//* \brief Enable PIO in input mode//*----------------------------------------------------------------------------void __inline__ AT91F_PIO_CfgInput( AT91PS_PIO pPio, // \arg pointer to a PIO controller unsigned int inputEnable) // \arg PIO to be enabled{ // Disable output pPio->PIO_ODR = inputEnable; pPio->PIO_PER = inputEnable;}//*----------------------------------------------------------------------------//* \fn AT91F_PIO_GetInput//* \brief Return PIO input value//*----------------------------------------------------------------------------unsigned int __inline__ AT91F_PIO_GetInput( // \return PIO input AT91PS_PIO pPio) // \arg pointer to a PIO controller{ return pPio->PIO_PDSR;}//*----------------------------------------------------------------------------//* \fn AT91F_PIO_SetOutput//* \brief Set to 1 output PIO//*----------------------------------------------------------------------------void __inline__ AT91F_PIO_SetOutput( AT91PS_PIO pPio, // \arg pointer to a PIO controller unsigned int flag) // \arg output to be set{ pPio->PIO_SODR = flag;}//*----------------------------------------------------------------------------//* \fn AT91F_PIO_ClearOutput//* \brief Set to 0 output PIO//*----------------------------------------------------------------------------void __inline__ AT91F_PIO_ClearOutput( AT91PS_PIO pPio, // \arg pointer to a PIO controller unsigned int flag) // \arg output to be cleared{ pPio->PIO_CODR = flag;}//*----------------------------------------------------------------------------//* \fn AT91F_PIO_ForceOutput//* \brief Force output when Direct drive option is enabled//*----------------------------------------------------------------------------void __inline__ AT91F_PIO_ForceOutput( AT91PS_PIO pPio, // \arg pointer to a PIO controller unsigned int flag) // \arg output to be forced{ pPio->PIO_ODSR = flag;}//*----------------------------------------------------------------------------//* \fn AT91F_PIO_Enable//* \brief Enable PIO//*----------------------------------------------------------------------------void __inline__ AT91F_PIO_Enable( AT91PS_PIO pPio, // \arg pointer to a PIO controller unsigned int flag) // \arg pio to be enabled { pPio->PIO_PER = flag;}//*----------------------------------------------------------------------------//* \fn AT91F_PIO_Disable//* \brief Disable PIO//*----------------------------------------------------------------------------void __inline__ AT91F_PIO_Disable( AT91PS_PIO pPio, // \arg pointer to a PIO controller unsigned int flag) // \arg pio to be disabled { pPio->PIO_PDR = flag;}//*----------------------------------------------------------------------------//* \fn AT91F_PIO_GetStatus//* \brief Return PIO Status//*----------------------------------------------------------------------------unsigned int __inline__ AT91F_PIO_GetStatus( // \return PIO Status AT91PS_PIO pPio) // \arg pointer to a PIO controller{ return pPio->PIO_PSR;}//*----------------------------------------------------------------------------//* \fn AT91F_PIO_OutputEnable//* \brief Output Enable PIO//*----------------------------------------------------------------------------void __inline__ AT91F_PIO_OutputEnable( AT91PS_PIO pPio, // \arg pointer to a PIO controller unsigned int flag) // \arg pio output to be enabled{ pPio->PIO_OER = flag;}//*----------------------------------------------------------------------------//* \fn AT91F_PIO_OutputDisable//* \brief Output Enable PIO//*----------------------------------------------------------------------------void __inline__ AT91F_PIO_OutputDisable( AT91PS_PIO pPio, // \arg pointer to a PIO controller unsigned int flag) // \arg pio output to be disabled{ pPio->PIO_ODR = flag;}//*----------------------------------------------------------------------------//* \fn AT91F_PIO_GetOutputStatus//* \brief Return PIO Output Status//*----------------------------------------------------------------------------unsigned int __inline__ AT91F_PIO_GetOutputStatus( // \return PIO Output Status AT91PS_PIO pPio) // \arg pointer to a PIO controller{ return pPio->PIO_OSR;}//*----------------------------------------------------------------------------//* \fn AT91F_PIO_CfgPullup//* \brief Enable pullup on PIO//*----------------------------------------------------------------------------void __inline__ AT91F_PIO_CfgPullup( AT91PS_PIO pPio, // \arg pointer to a PIO controller unsigned int pullupEnable) // \arg enable pullup on PIO{ // Connect or not Pullup pPio->PIO_PPUDR = ~pullupEnable; pPio->PIO_PPUER = pullupEnable;}void __inline__ AT91F_PIOC_CfgPMC(){ AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_PIOC;}void __inline__ AT91F_PIOA_CfgPMC(){ AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_PIOA;}#endif
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