lpc17xx_systick.h
113 lines
| 3.8 KiB
| text/x-c
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CLexer
jeandet@pc-de-jeandet3.lab-lpp.local
|
r16 | /********************************************************************** | ||
* $Id$ 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. | ||||
**********************************************************************/ | ||||
/* 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 ------------------------------ */ | ||||