/**
  ******************************************************************************
  * @file    fm33a0xxev_wwdt.c
  * @author  FM33A0XXEV Application Team
  * @version V1.0.0
  * @date    16-April-2020
  * @brief   This file provides firmware functions to manage the following 
  *          functionalities of....:
  *
*/

/* Includes ------------------------------------------------------------------*/

#include "fm33a0xxev_wwdt.h"

/** @addtogroup fm33a0xxev_StdPeriph_Driver
  * @{
  */

/** @defgroup WWDT 
  * @brief WWDT driver modules
  * @{
  */ 

/* µ±CPUÏò´ËµØַдÈë0x5AʱÆô¶¯WWDT¶¨Ê±Æ÷ (WWDT Control,write only)
ÔÚÆô¶¯WWDTºó£¬µ±CPUÏò´ËµØַдÈë0xACʱÇåÁã¼ÆÊýÆ÷ Ïà¹Øº¯Êý */
void WWDT_CR_Write(uint32_t SetValue)
{
	WWDT->CR = (SetValue & WWDT_CR_CON_Msk);
}

/* ÅäÖÃWWDT¿´ÃŹ·Òç³öʱ¼ä£¬¸´Î»Öµ011£¬ÓÉÓÚÉϵçºóϵͳʱÖÓĬÈÏΪ8Mhz£¬ËùÒÔĬÈÏÒç³öÖÜÆÚ´óÔ¼32ms (WWDT Config)
000£ºTPCLK * 4096 * 1
001£ºTPCLK * 4096 * 4
010£ºTPCLK * 4096 * 16
011£ºTPCLK * 4096 * 64
100£ºTPCLK * 4096 * 128
101£ºTPCLK * 4096 * 256
110£ºTPCLK * 4096 * 512
111£ºTPCLK * 4096 * 1024 Ïà¹Øº¯Êý */
void WWDT_CFGR_Write(uint32_t SetValue)
{
	WWDT->CFGR = (SetValue & WWDT_CFGR_CFG_Msk);
}

uint32_t WWDT_CFGR_Read(void)
{
	return (WWDT->CFGR & WWDT_CFGR_CFG_Msk);
}

/* WWDT¼ÆÊý¼Ä´æÆ÷Öµ£¬Èí¼þ¿Éͨ¹ý²éѯ´Ë¼Ä´æÆ÷Á˽âWWDT¼Æʱ½ø¶È (WWDT Counter value,read only) Ïà¹Øº¯Êý */
uint32_t WWDT_CNTR_Read(void)
{
	return (WWDT->CNTR & WWDT_CNTR_CNT_Msk);
}

/* WWDTÖжÏʹÄÜ (WWDT Interrupt Enable)
0£ºÖжÏʹÄܽûÖ¹
1£ºÖжÏʹÄÜ´ò¿ª Ïà¹Øº¯Êý */
void WWDT_IER_IE_Setable(FunState NewState)
{
	if (NewState == ENABLE)
	{
		WWDT->IER |= (WWDT_IER_IE_Msk);
	}
	else
	{
		WWDT->IER &= ~(WWDT_IER_IE_Msk);
	}
}

FunState WWDT_IER_IE_Getable(void)
{
	if (WWDT->IER & (WWDT_IER_IE_Msk))
	{
		return ENABLE;
	}
	else
	{
		return DISABLE;
	}
}

/* WWDT 75%¼ÆʱÖжϱêÖ¾£¬Ð´1ÇåÁã (Near Overflow Flag,write 1 to clear)
0£ºÎÞÖжϲúÉú
1£ºÖжϱêÖ¾ÖÃλ
Èç¹ûIE=1£¬Ôò´Ë¼Ä´æÆ÷ÖÃ뽫´¥·¢ÖÐ¶Ï Ïà¹Øº¯Êý */
void WWDT_ISR_NOVF_Clr(void)
{
	WWDT->ISR = WWDT_ISR_NOVF_Msk;
}

FlagStatus WWDT_ISR_NOVF_Chk(void)
{
	if (WWDT->ISR & WWDT_ISR_NOVF_Msk)
	{
		return SET;
	}
	else
	{
		return RESET;
	}
}

/* WWDTµÄ4096Ô¤·ÖƵ¼ÆÊýÆ÷µ±Ç°¼ÆÊýÖµ£¬Ö»¶Á (WWDT prescaler Divider Counte,read only) Ïà¹Øº¯Êý */
uint32_t WWDT_PSCR_Read(void)
{
	return (WWDT->PSCR & WWDT_PSCR_DIV_CNT_Msk);
}


void WWDT_Deinit(void)
{
	//WWDT->CR = 0x00000000;
	//WWDT->CFGR = 0x00000003;
	//WWDT->CNTR = 0x00000000;
	//WWDT->IER = 0x00000000;
	//WWDT->ISR = 0x00000000;
	//WWDT->PSCR = 0x00000000;
}

/******END OF FILE****/