120 lines
4 KiB
C
120 lines
4 KiB
C
|
/**********************************************************************
|
||
|
|
* $Id$ lpc17xx_systick.h 2010-05-21
|
||
|
|
*//**
|
||
|
|
* @file lpc17xx_systick.h
|
||
|
|
* @brief Contains all macro definitions and function prototypes
|
||
|
|
* support for SYSTICK firmware library on LPC17xx
|
||
|
|
* @version 2.0
|
||
|
|
* @date 21. May. 2010
|
||
|
|
* @author NXP MCU SW Application Team
|
||
|
|
*
|
||
|
|
* Copyright(C) 2010, 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 SYSTICK SYSTICK (System Tick)
|
||
|
|
* @ingroup LPC1700CMSIS_FwLib_Drivers
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef LPC17XX_SYSTICK_H_
|
||
|
|
#define LPC17XX_SYSTICK_H_
|
||
|
|
|
||
|
|
/* Includes ------------------------------------------------------------------- */
|
||
|
|
#include "LPC17xx.h"
|
||
|
|
#include "lpc_types.h"
|
||
|
|
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C"
|
||
|
|
{
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
/* Private Macros ------------------------------------------------------------- */
|
||
|
|
/** @defgroup SYSTICK_Private_Macros SYSTICK Private Macros
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
/*********************************************************************//**
|
||
|
|
* Macro defines for System Timer Control and status (STCTRL) register
|
||
|
|
**********************************************************************/
|
||
|
|
#define ST_CTRL_ENABLE ((uint32_t)(1<<0))
|
||
|
|
#define ST_CTRL_TICKINT ((uint32_t)(1<<1))
|
||
|
|
#define ST_CTRL_CLKSOURCE ((uint32_t)(1<<2))
|
||
|
|
#define ST_CTRL_COUNTFLAG ((uint32_t)(1<<16))
|
||
|
|
|
||
|
|
/*********************************************************************//**
|
||
|
|
* Macro defines for System Timer Reload value (STRELOAD) register
|
||
|
|
**********************************************************************/
|
||
|
|
#define ST_RELOAD_RELOAD(n) ((uint32_t)(n & 0x00FFFFFF))
|
||
|
|
|
||
|
|
/*********************************************************************//**
|
||
|
|
* Macro defines for System Timer Current value (STCURRENT) register
|
||
|
|
**********************************************************************/
|
||
|
|
#define ST_RELOAD_CURRENT(n) ((uint32_t)(n & 0x00FFFFFF))
|
||
|
|
|
||
|
|
/*********************************************************************//**
|
||
|
|
* Macro defines for System Timer Calibration value (STCALIB) register
|
||
|
|
**********************************************************************/
|
||
|
|
#define ST_CALIB_TENMS(n) ((uint32_t)(n & 0x00FFFFFF))
|
||
|
|
#define ST_CALIB_SKEW ((uint32_t)(1<<30))
|
||
|
|
#define ST_CALIB_NOREF ((uint32_t)(1<<31))
|
||
|
|
|
||
|
|
#define CLKSOURCE_EXT ((uint32_t)(0))
|
||
|
|
#define CLKSOURCE_CPU ((uint32_t)(1))
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
/* Public Functions ----------------------------------------------------------- */
|
||
|
|
/** @defgroup SYSTICK_Public_Functions SYSTICK Public Functions
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
|
||
|
|
void SYSTICK_InternalInit(uint32_t time);
|
||
|
|
void SYSTICK_ExternalInit(uint32_t freq, uint32_t time);
|
||
|
|
|
||
|
|
void SYSTICK_Cmd(FunctionalState NewState);
|
||
|
|
void SYSTICK_IntCmd(FunctionalState NewState);
|
||
|
|
uint32_t SYSTICK_GetCurrentValue(void);
|
||
|
|
void SYSTICK_ClearCounterFlag(void);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
#endif /* LPC17XX_SYSTICK_H_ */
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* --------------------------------- End Of File ------------------------------ */
|