148 lines
4.9 KiB
C
148 lines
4.9 KiB
C
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/**********************************************************************
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* $Id$ lpc43xx_sct.h 2011-06-02
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*//**
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* @file lpc43xx_sct.h
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* @brief Contains all macro definitions and function prototypes
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* support for SCT firmware library on lpc43xx
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* @version 1.0
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* @date 02. June. 2011
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* @author NXP MCU SW Application Team
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*
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* Copyright(C) 2011, NXP Semiconductor
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* All rights reserved.
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*
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***********************************************************************
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* Software that is described herein is for illustrative purposes only
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* which provides customers with programming information regarding the
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* products. This software is supplied "AS IS" without any warranties.
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* NXP Semiconductors assumes no responsibility or liability for the
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* use of the software, conveys no license or title under any patent,
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* copyright, or mask work right to the product. NXP Semiconductors
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* reserves the right to make changes in the software without
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* notification. NXP Semiconductors also make no representation or
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* warranty that such application will be suitable for the specified
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* use without further testing or modification.
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* Permission to use, copy, modify, and distribute this software and its
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* documentation is hereby granted, under NXP Semiconductors<EFBFBD>
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* relevant copyright in the software, without fee, provided that it
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* is used in conjunction with NXP Semiconductors microcontrollers. This
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* copyright, permission, and disclaimer notice must appear in all copies of
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* this code.
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**********************************************************************/
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/* Peripheral group ----------------------------------------------------------- */
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/** @defgroup SCT SCT (State Configurable Timer)
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* @ingroup LPC4300CMSIS_FwLib_Drivers
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* @{
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*/
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#ifndef lpc43xx_SCT_H_
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#define lpc43xx_SCT_H_
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/* Includes ------------------------------------------------------------------- */
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#include "LPC43xx.h"
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#include "lpc_types.h"
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/* Private macros ------------------------------------------------------------- */
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/** @defgroup SCT_Private_Macros SCT Private Macros
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* @{
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*/
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/* -------------------------- BIT DEFINITIONS ----------------------------------- */
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/*********************************************************************//**
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* Macro defines for SCT configuration register
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**********************************************************************/
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/** Selects 16/32 bit counter */
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#define SCT_CONFIG_16BIT_COUNTER 0x00000000
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#define SCT_CONFIG_32BIT_COUNTER 0x00000001
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/*********************************************************************//**
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* Macro defines for SCT control register
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**********************************************************************/
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/** Stop low counter */
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#define SCT_CTRL_STOP_L (1<<1)
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/** Halt low counter */
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#define SCT_CTRL_HALT_L (1<<2)
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/** Clear low or unified counter */
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#define SCT_CTRL_CLRCTR_L (1<<3)
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/** Direction for low or unified counter */
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#define COUNTUP_TO_LIMIT_THEN_CLEAR_TO_ZERO 0
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#define COUNTUP_TO LIMIT_THEN_COUNTDOWN_TO_ZERO 1
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#define SCT_CTRL_BIDIR_L(x) (((x)&0x01)<<4)
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/** Prescale clock for low or unified counter */
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#define SCT_CTRL_PRE_L(x) (((x)&0xFF)<<5)
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/** Stop high counter */
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#define SCT_CTRL_STOP_H (1<<17)
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/** Halt high counter */
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#define SCT_CTRL_HALT_H (1<<18)
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/** Clear high counter */
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#define SCT_CTRL_CLRCTR_H (1<<19)
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/** Direction for high counter */
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#define COUNTUP_TO_LIMIT_THEN_CLEAR_TO_ZERO 0
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#define COUNTUP_TO LIMIT_THEN_COUNTDOWN_TO_ZERO 1
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#define SCT_CTRL_BIDIR_H(x) (((x)&0x01)<<20)
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/** Prescale clock for high counter */
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#define SCT_CTRL_PRE_H(x) (((x)&0xFF)<<21)
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/*********************************************************************//**
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* Macro defines for SCT Conflict resolution register
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**********************************************************************/
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/** Define conflict solution */
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#define SCT_RES_NOCHANGE (0)
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#define SCT_RES_SET_OUTPUT (1)
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#define SCT_RES_CLEAR_OUTPUT (2)
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#define SCT_RES_TOGGLE_OUTPUT (3)
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/* ------------------- CHECK PARAM DEFINITIONS ------------------------- */
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/** Check SCT output number */
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#define PARAM_SCT_OUTPUT_NUM(n) ((n)<= CONFIG_SCT_nOU )
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/** Check SCT counter type */
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#define PARAM_SCT_CONFIG_COUNTER_TYPE(n) ((n==SCT_CONFIG_16BIT_COUNTER)||(n==SCT_CONFIG_32BIT_COUNTER))
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/** Check SCT conflict solution */
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#define PARAM_SCT_RES(n) ((n==SCT_RES_NOCHANGE)||(n==SCT_RES_SET_OUTPUT)\
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||(n==SCT_RES_CLEAR_OUTPUT)||(n==SCT_RES_TOGGLE_OUTPUT))
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/** Check SCT event number */
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#define PARAM_SCT_EVENT(n) ((n) <= 15)
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/**
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* @}
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*/
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/* Public Functions ----------------------------------------------------------- */
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/** @defgroup SCT_Public_Functions SCT Public Functions
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* @{
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*/
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void SCT_Config(uint32_t value);
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void SCT_ControlSet(uint32_t value, FunctionalState ena);
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void SCT_ConflictResolutionSet(uint8_t outnum, uint8_t value);
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void SCT_EventFlagClear(uint8_t even_num);
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/**
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* @}
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif /* lpc43xx_SCT_H_ */
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/**
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* @}
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*/
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