transceiver_sn74lvc16245.h

来自「NXPl788上lwip的无操作系统移植,基于Embest开发板」· C头文件 代码 · 共 107 行

/**********************************************************************
* $Id$		transceiver_sn74lvc16245.c			2011-06-02
*//**
* @file		transceiver_sn74lvc16245.c
* @brief	This SN74LVC16245 is mounted on the LPC7188 OEM Board (target
*			board, not for the base board)
*			Contains all macro, definitions and function prototypes that
*			support this SN74LVC16245 transceiver
* @version	1.0
* @date		02. June. 2011
* @author	NXP MCU SW Application Team
* 
* Copyright(C) 2011, NXP Semiconductor
* All rights reserved.
*
***********************************************************************
* Software that is described herein is for illustrative purposes only
* which provides customers with programming information regarding the
* products. This software is supplied "AS IS" without any warranties.
* NXP Semiconductors assumes no responsibility or liability for the
* use of the software, conveys no license or title under any patent,
* copyright, or mask work right to the product. NXP Semiconductors
* reserves the right to make changes in the software without
* notification. NXP Semiconductors also make no representation or
* warranty that such application will be suitable for the specified
* use without further testing or modification.
* Permission to use, copy, modify, and distribute this software and its
* documentation is hereby granted, under NXP Semiconductors'
* relevant copyright in the software, without fee, provided that it
* is used in conjunction with NXP Semiconductors microcontrollers.  This
* copyright, permission, and disclaimer notice must appear in all copies of
* this code.
**********************************************************************/

/* Peripheral group ----------------------------------------------------------- */
/** @defgroup  Transceiver_SN74LVC16245	Transceiver SN74LVC16245
 * @ingroup LPC177x_8xCMSIS_Board_Support
 * @{
 */
#ifndef __TRANSCEIVER_SN74LVC16245_H
#define __TRANSCEIVER_SN74LVC16245_H

#include "lpc177x_8x_pinsel.h"
#include "lpc177x_8x_gpio.h"


#define SN74X_DIR_CONTROLLED_PORT		(4)
#define SN74X_DIR_CONTROLLED_PIN		(24)
#define SN74X_DIR_CONTROLLED_PINMASK	(1 << SN74X_DIR_CONTROLLED_PIN)


#define SN74X_OE0_CONTROLLED_PORT		(4)
#define SN74X_OE0_CONTROLLED_PIN		(26)
#define SN74X_OE0_CONTROLLED_PINMASK	(1 << SN74X_OE0_CONTROLLED_PIN)

#define SN74X_OE1_CONTROLLED_PORT		(4)
#define SN74X_OE1_CONTROLLED_PIN		(27)
#define SN74X_OE1_CONTROLLED_PINMASK	(1 << SN74X_OE1_CONTROLLED_PIN)

#define SN74X_OE2_CONTROLLED_PORT		(4)
#define SN74X_OE2_CONTROLLED_PIN		(28)
#define SN74X_OE2_CONTROLLED_PINMASK	(1 << SN74X_OE2_CONTROLLED_PIN)

#define SN74X_OE3_CONTROLLED_PORT		(4)
#define SN74X_OE3_CONTROLLED_PIN		(29)
#define SN74X_OE3_CONTROLLED_PINMASK	(1 << SN74X_OE3_CONTROLLED_PIN)


typedef enum sn74x_Group_Cntrl
{
	///From pin P3.0 .. P3.7
	SN74X_PORT3_GROUP_0 = 0,

	///From pin P3.8 .. P3.15
	SN74X_PORT3_GROUP_1,

	///From pin P3.16 .. P3.23
	SN74X_PORT3_GROUP_2,

	///From pin P3.24 .. P3.31
	SN74X_PORT3_GROUP_3,

	SN74X_PORT3_GROUP_NUMGRP
}en_sn74x_Group_Cntrl;


typedef enum sn74x_Group_Direction
{
	///From pin P3.0 .. P3.7
	SN74X_GRP_DATA_OUTPUT = 0,

	///From pin P3.8 .. P3.15
	SN74X_GRP_DATA_INPUT
}en_sn74x_Group_DataDir;


void sn74x_Init(uint8_t port3Grp);
void sn74x_DeInit(uint8_t port3Grp);
void sn74x_SetDataDir(uint8_t dataDir);


#endif//__TRANSCEIVER_SN74LVC16245_H

/**
 * @}
 */