/**
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******************************************************************************
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* @file xl_pit.h
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* @author software group
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* @brief This file contains all the functions prototypes for the PIT
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* firmware library.
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******************************************************************************
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* @attention
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*
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* 2019 by Chipways Communications,Inc. All Rights Reserved.
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* This software is supplied under the terms of a license
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* agreement or non-disclosure agreement with Chipways.
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* Passing on and copying of this document,and communication
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* of its contents is not permitted without prior written
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* authorization.
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*
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* <h2><center>© COPYRIGHT 2019 Chipways</center></h2>
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******************************************************************************
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*/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __XL_PIT_H_
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#define __XL_PIT_H_
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#ifdef __cplusplus
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extern "C"{
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#endif
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/* Includes ---------------------------------------------------------------*/
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#include "XL6600.h"
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/* Register define ------------------------------------------------------------*/
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/* LC Bit Fields */
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#define PIT_LC_LC_MASK 0xFFFFFFFFu
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#define PIT_LC_LC_SHIFT 0
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/* CV Bit Fields */
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#define PIT_CV_CV_MASK 0xFFFFFFFFu
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#define PIT_CV_CV_SHIFT 0
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/* CTR Bit Fields */
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#define PIT_CTR_EN_MASK 0x1u
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#define PIT_CTR_EN_SHIFT 0
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#define PIT_CTR_MODE_MASK 0x2u
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#define PIT_CTR_MODE_SHIFT 1
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#define PIT_CTR_IM_MASK 0x4u
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#define PIT_CTR_IM_SHIFT 2
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/* EOI Bit Fields */
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#define PIT_EOI_EOI_MASK 0x1u
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#define PIT_EOI_EOI_SHIFT 0
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/* IS Bit Fields */
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#define PIT_IS_IS_MASK 0x1u
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#define PIT_IS_IS_SHIFT 0
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/* AIS Bit Fields */
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#define PIT_AIS_AIS_MASK 0x3u
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#define PIT_AIS_AIS_SHIFT 0
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/* AEOI Bit Fields */
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#define PIT_AEOI_AEOI_MASK 0x3u
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#define PIT_AEOI_AEOI_SHIFT 0
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/* RAWIS Bit Fields */
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#define PIT_RAWIS_RAWIS_MASK 0x3u
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#define PIT_RAWIS_RAWIS_SHIFT 0
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/* DEBUG Bit Fields */
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#define PIT_DEBUG_FRZ_MASK 0x10u
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#define PIT_DEBUG_FRZ_SHIFT 4
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/** PIT - Register Layout Typedef */
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typedef struct{
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struct{
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__IO uint32_t LC; /*!< ¶¨Ê±Æ÷¼ÓÔØÖµ¼Ä´æÆ÷, offset: 0x00 */
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__O uint32_t CV; /*!< ¶¨Ê±Æ÷µ±Ç°Öµ¼Ä´æÆ÷, offset: 0x04 */
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__IO uint32_t CTR; /*!< ¶¨Ê±Æ÷¿ØÖƼĴæÆ÷, offset: 0x08 */
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__O uint32_t EOI; /*!< ¶¨Ê±Æ÷ÖжÏÇåÁã¼Ä´æÆ÷, offset: 0x0C */
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__O uint32_t IS; /*!< PIT Interrupt Status Register, offset: 0x10 */
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}CHANNEL[2];
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uint32_t RESERVED_0[30];
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__O uint32_t AIS; /*!< ¶¨Ê±Æ÷ËùÓÐÖжÏ״̬¼Ä´æÆ÷, offset: 0xa0 */
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__O uint32_t AEOI; /*!< ¶¨Ê±Æ÷ÇåÁãËùÓÐÖжϼĴæÆ÷, offset: 0xa4 */
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__O uint32_t RAWIS; /*!< ¶¨Ê±Æ÷ÔʼÖжÏ״̬¼Ä´æÆ÷, offset: 0xa8 */
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uint32_t RESERVED_1[9];
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__IO uint32_t PIT_DIV[2];
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uint32_t RESERVED_2[10];
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__IO uint32_t CHAIN; /*!< ¶¨Ê±Æ÷µ÷ÊÔģʽÉèÖüĴæÆ÷, offset: 0x100 */
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}PIT_Type,*PIT_MemMapPtr;
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extern PIT_Type* PIT;
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/** @addtogroup XL6600_StdPeriph_Driver
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* @{
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*/
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/** @addtogroup PIT
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* @{
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*/
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/* Exported constants --------------------------------------------------------*/
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/** @defgroup ACMP_Exported_Constants ACMPÄ£¿éʹÓòÎÊý¶¨Òå
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* @{
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*/
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/** @defgroup PIT_Mode_Seclect PITģʽѡÔñ¶¨Òå
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* @{
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*/
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#define PIT_Run_Mode ((uint8_t)0x00) /*!< ×ÔÓÉÔËÐÐģʽ */
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#define PIT_Count_Mode ((uint8_t)0x02) /*!< Óû§¶¨ÒåµÄ¼ÆÊýģʽ */
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/**
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* @}
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*/
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/** @defgroup PIT_Channels_Seclect PITͨµÀÑ¡Ôñ
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* @{
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*/
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typedef enum
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{
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PIT_Channel0 = 0 , /*!< PITͨµÀ0 */
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PIT_Channel1 /*!< PITͨµÀ1 */
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}PIT_Channel;
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/**
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* @}
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*/
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/**
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* @}
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*/
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/* Exported macro ------------------------------------------------------------*/
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/* Exported functions --------------------------------------------------------*/
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void PIT_DeInit(void);
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void PIT_Init(uint8_t Channel,uint8_t PIT_Mode,uint16_t CLK_DIV);
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/* PIT channel function-----------------------------------*/
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void PIT_EnableCmd(uint8_t Channel,FunctionalState NewState);
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void PIT_InterruptEn(uint8_t Channel,FunctionalState NewState);
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void PIT_SetLoadCount(uint8_t Channel,uint32_t loadVal);
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uint32_t PIT_GetCurrentVal(uint8_t Channel);
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ITStatus PIT_GetIntStatus(uint8_t Channel);
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void PIT_ClrInterrupt(uint8_t Channel);
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/* PIT function-----------------------------------*/
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uint8_t PIT_GetAllIntStatus(void);
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void PIT_ClrAllInterrupt(void);
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uint8_t PIT_GetRawIntStatus(void);
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void PIT_ChainCmd(FunctionalState NewState);
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void PIT_FreezeCmd(FunctionalState NewState);
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#ifdef __cplusplus
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}
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#endif
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#endif /*__XL_PIT_H__ */
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/**
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* @}
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*/
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/**
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* @}
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*/
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