#include "tim.h"
#include "rs485_read_data.h"
#include "gpio.h"
#include "pulse_and_alarm_line.h"

uint8_t first_power_tim_cnt_g = 5;


void BTx_IRQHandler(void)
{
	if(	BTx_ISR_CMPHIF_Chk(BT1)==SET) //¼ì¶¨ÖÜÆÚ
	{	
		BTx_ISR_CMPLIF_Clr(BT1);
		BTx_ISR_CMPHIF_Clr(BT1);

		BTx_CR1_CHEN_Setable(BT1,DISABLE);	
		pulse_exti_flag = RESET;
		
		pulse_count +=1;
		
	}else if(BTx_ISR_CMPHIF_Chk(BT2)==SET)
	{
		BTx_ISR_CMPLIF_Clr(BT2);
		BTx_ISR_CMPHIF_Clr(BT2);

	}
}

void BSTIM_IRQHandler(void)
{   
	if(BSTIM_ISR_UIF_Chk()!=RESET)	
	{
	  BSTIM_ISR_UIF_Clr();
	
  }
}

void LPTIM_IRQHandler(void) //°´¼üÖÜÆÚ¼ì²â
{
	if(SET == LPTIM_ISR_OVIF_Chk() && ENABLE == LPTIM_CR_EN_Getable())
	{
		LPTIM_ISR_OVIF_Clr(); /* Çå³ý¼ÆÊýÆ÷Öжϱê־λ */
//		button_ticks();//Ö´ÐÐButtonɨÃè
	}
}

/******************************************
 * func:    BasicTimer16_Init£¨ÓÃÓڼ춨ÖÜÆÚʱ¼ä¿ØÖÆ£©
						£¨×ʱ¼ä£º65535 * 256 / APB1£¨12Mhz£© = 1.39808Ã룩
 * desc:    ͨÓö¨Ê±Æ÷¼¶Áª16λ³õʼ»¯
 * input:   BTx £ºÑ¡ÔñͨÓö¨Ê±Æ÷1 or 2
						Psc £º8λµÄÔ¤·ÖÅäϵÊý 1~256
						Arr : 16λµÄÖØ×°ÔØÖµ 1~65535
 * output:  none
 * return:  none
 *****************************************/
void BasicTimer16_Init(BT_Type* BTx,uint8_t Psc,uint16_t Arr)
{
	if((BTx != BT1) && (BTx != BT2))
		return;       
	if(BTx == BT1)
		CMU_PERCLK_SetableEx(BT1CLK, ENABLE); 
	else
		CMU_PERCLK_SetableEx(BT2CLK, ENABLE);
    
	BTx_CR1_MODE_Set(BTx,BTx_CR1_MODE_COUNTER);		                //¼ÆÊýÆ÷  8λ¶¨Ê±¼ÆÊýģʽ					
	BTx_CR1_EDGESEL_Set(BTx,BTx_CR1_EDGESEL_FALLING);	            //ϽµÑØ   ¼ÆÊýÔ´  
	BTx_CR2_SIG2SEL_Set(BTx,BTx_CR2_SIG2SEL_GROUP1); 			    		//¼ÆÊýÔ´Ñ¡Ôñgroup1
	BTx_CFGR1_GRP1SEL_Set(BTx,BTx_CFGR1_GRP1SEL_APBCLK);	        //¼ÆÊýÔ´Ñ¡Ôñgroup1-APB 
  
	BTx_PRES_Write(BTx,Psc - 1);			                            //Ô¤·ÖƵ
	BTx_LOADL_Write(BTx,Arr & 0x00ff);				                    //×°ÔØÖµ 8000(=0x1F40),¶¨Ê±³¤¶ÈΪ8000*100/8000000=100ms
	BTx_LOADH_Write(BTx,(Arr & 0xff00) >> 8);
	
	BTx_CR2_CNTHSEL_Set(BTx,BTx_CR2_CNTHSEL_COUNTER);	            //¸ßλÊÇÊäÈëԴΪµÍλ¼ÆÊýÆ÷£¬×é³É16λ¼ÆÊýÆ÷
	BTx_CR2_STDIR_Setable(BTx,DISABLE);                            //ÄÚ²¿DIR¿ØÖÆÐźţ¬µ±DIRENΪ0£¬¼´ÍⲿÊäÈëDIR¿ØÖÆÎÞЧʱ£¬¿ÉÓɸÃÐźŴúÌæDIRÊäÈ룬ֱ½Ó¿ØÖÆÄÚ²¿¼ÆÊýÆ÷µÄ¼ÆÊý¡£µ±ÐèÒªÍⲿDIRÊäÈ룬¼´DIRENΪ1ʱ£¬¸ÃλӦÉèÖÃΪ0 (set direction)
	BTx_ISR_CMPHIF_Clr(BTx);
	BTx_LOADCR_LLEN_Setable(BTx,ENABLE);      //¼ÓÔؼĴæÆ÷LʹÄÜ
	BTx_LOADCR_LHEN_Setable(BTx,ENABLE);	    //¼ÓÔؼĴæÆ÷HʹÄÜ
  

	NVIC_DisableIRQ(BTx_IRQn);
	NVIC_SetPriority(BTx_IRQn,1);
	NVIC_EnableIRQ(BTx_IRQn);
	
	BTx_IER_CMPHIE_Setable(BTx,ENABLE);	//¶¨Ê±Æ÷¸ßλ±È½ÏʹÄÜ
	BTx_IER_OVHIE_Setable(BTx,ENABLE);	//¶¨Ê±Æ÷¸ßλÒç³öʹÄÜ	
	
//	BTx_CR1_CHEN_Setable(BTx,ENABLE);	//¿ªÆô16λ¼ÆÊý
}

/******************************************
 * func:    TxtendTimer16_Init £¨ÓÃÓÚ°´¼üÆô¶¯Ä³¹¦ÄÜʧ°ÜµÄ³ÖÐøÏÔʾʱ¼ä£¬È磺Çл»Ä£Ê½£¬Ô¶´«Éϱ¨µÈ£©
						£¨×ʱ¼ä£º65535 * 256 / APB1£¨12Mhz£© = 1.39808Ã룩
 * desc:    À©Õ¹¶¨Ê±Æ÷16λ³õʼ»¯
 * input:   ETx £ºÑ¡ÔñÀ©Õ¹¶¨Ê±Æ÷1 or 2 or 3 or 4
						Psc £º8λµÄÔ¤·ÖÅäϵÊý 1~256
						Arr : 16λµÄÖØ×°ÔØÖµ 1~65535
 * output:  none
 * return:  none
 *****************************************/
void TxtendTimer16_Init(ET_Type* ETx,uint8_t Psc,uint16_t Arr)
{
	if((ETx != ET1) && (ETx == ET2) && (ETx == ET3) && (ETx == ET4))    return;
    
	if(ETx == ET1)
        CMU_PERCLK_SetableEx(ET1CLK, ENABLE); 
	else if(ETx == ET2)
        CMU_PERCLK_SetableEx(ET2CLK, ENABLE); 
	else if(ETx == ET3)
		CMU_PERCLK_SetableEx(ET3CLK, ENABLE); 
	else 
        CMU_PERCLK_SetableEx(ET4CLK, ENABLE); 
	ETx_CR_MOD_Set(ETx,ETx_CR_MOD_COUNTER);		                        //¶¨Ê±Æ÷ģʽ
	ETx_CR_CASEN_Set(ETx,ETx_CR_CASEN_16BITS);	                        //16λ¶¨Ê±Æ÷
	ETx_CR_EDGESEL_Set(ETx,ETx_CR_EDGESEL_FALLING);		                //ϽµÑØ	
	//ETx_CR_PWM_Setable(ETx,ENABLE);
	//ETx_CR_OPOL_Set(ETx,0x01<<10);
	
	ETx_INSR_SIG1SEL_Set(ETx,ETx_INSR_SIG1SEL_GROUP1);		            //group1 ´Ë´¦×¢ÒâÔÚ²»Í¬ETÖУ¬ÏàͬµÄÅäÖÃʱÖÓÔ´Ñ¡Ôñ²»¾¡Ïàͬ£¬Òò´ËÔ¤¶¨ÒåÓÐÇø·Ö
	if(ETx==ET1)
		ETx_INSR_GRP1SEL_Set(ETx,	ETx_INSR_GRP1SEL_ET1_APBCLK);		//APB
	else if(ETx==ET2)
		ETx_INSR_GRP1SEL_Set(ETx,	ETx_INSR_GRP1SEL_ET2_APBCLK);		//APB
	else if(ETx==ET3)
		ETx_INSR_GRP1SEL_Set(ETx,	ETx_INSR_GRP1SEL_ET3_APBCLK);		//APB
	else
		ETx_INSR_GRP1SEL_Set(ETx,	ETx_INSR_GRP1SEL_ET4_APBCLK);		//APB	
	ETx_PSCR1_Write(ETx,Psc - 1);			                                //¼ÆÊýÔ´Ô¤·ÖƵ10
	ETx_IVR_Write(ETx,0xFFFF - Arr);			                            //¼ÆÊýÔ´³õÖµ 
	
	ETx_ISR_OVIF_Clr(ET1);
	
//		NVIC_DisableIRQ(ETx_IRQn);
//		NVIC_SetPriority(ETx_IRQn,3);
//		NVIC_EnableIRQ(ETx_IRQn);
//		ETx_IER_OVIE_Setable(ETx,ENABLE);
}


/******************************************
 * func:    BsTimer_Init£¨ÓÃÓÚ¿ª/¹Ø·§Ê±¼ä£©
 * desc:    »ù±¾¶¨Ê±Æ÷³õʼ»¯
 * input:   Psc £º16λµÄÔ¤·ÖÅäϵÊý 1~65536
						Arr : 32λµÄÖØ×°ÔØÖµ
 * output:  none
 * return:  none
 *****************************************/
void BsTimer_Init(uint16_t Psc,uint32_t Arr)
{
		CMU_PERCLK_SetableEx(BSTIMCLK, ENABLE);             //ÍâÉè×ÜÏßʱÖÓʹÄÜ
    CMU_OPCCR2_BSTCKS_Set(CMU_OPCCR2_BSTCKS_SYSCLK);    //Ñ¡Ôñ¹¤×÷ʱÖÓÔ´
    CMU_OPCCR2_BSTCKE_Setable(ENABLE);	                //¹¤×÷ʱÖÓԴʹÄÜ

    BSTIM_CR1_ARPE_Setable(ENABLE);                     //ԤװÔØʹÄÜ
    BSTIM_CR1_OPM_Set(BSTIM_CR1_OPM_STOP);          		//Update Event·¢Éúʱ¼ÆÊýÆ÷Í£Ö¹£¨×Ô¶¯ÇåÁãCEN£©

    BSTIM_PSCR_Write(Psc - 1);
    BSTIM_ARR_Write(Arr - 1);  
		
    NVIC_DisableIRQ(BSTIM_IRQn );
    NVIC_SetPriority(BSTIM_IRQn ,5);                    //ÖжÏÓÅÏȼ¶ÅäÖÃ
    NVIC_EnableIRQ(BSTIM_IRQn );
		
		/*½â¾ö¿ªÆô¶¨Ê±Æ÷»áÖ±½Ó½øÈëÒ»´ÎÖжϵÄÎÊÌâ*/
    BSTIM_CR1_CEN_Setable(ENABLE);                      //¼ÆÊýÆ÷ʹÄÜ
		BSTIM_ISR_UIF_Clr();
		BSTIM_IER_UIE_Setable(ENABLE);                      //UpdateÖжÏʹÄÜ	
		
}

/******************************************
 * func:    LowPowerTimer_Init£¨°´¼ü¼ì²â£©
 * desc:    µÍ¹¦ºÄ¶¨Ê±Æ÷³õʼ»¯
 * input:   Arr : 32λµÄÖØ×°ÔØÖµ
 * output:  none
 * return:  none
 *****************************************/
void LowPowerTimer_Init(uint32_t Arr)
{
	CMU_PERCLK_SetableEx(LPTCLK, ENABLE); //ÍâÉè×ÜÏßʱÖÓʹÄÜ
  CMU_OPCCR2_LPTCKS_Set(CMU_OPCCR2_LPTCKS_APBCLK);//Ñ¡Ôñ¹¤×÷ʱÖÓÔ´
  CMU_OPCCR2_LPTCKE_Setable(ENABLE);     //¹¤×÷ʱÖÓԴʹÄÜ

  LPTIM_CFGR_ETR_AFEN_Setable(DISABLE);//ETRÊäÈëÂ˲¨
  LPTIM_CFGR_PSCSEL_Set(LPTIM_CFGR_PSCSEL_CLKSEL);  //ʱÖÓÑ¡Ôñ
  LPTIM_CFGR_DIVSEL_Set(LPTIM_CFGR_DIVSEL_DIV128);  //ʱÖÓ·ÖƵѡÔñ
  LPTIM_CFGR_ONST_Set(LPTIM_CFGR_ONST_CONTINUE); //·¢Éú¼ÆÊýÆ÷²»Í£Ö¹
  LPTIM_CFGR_TMODE_Set(LPTIM_CFGR_TMODE_COUNTER);//ÆÕͨ¶¨Ê±Æ÷ģʽ

  LPTIM_ARR_Write(Arr - 1); 

  LPTIM_ISR_OVIF_Clr(); /* Çå³ý¼ÆÊýÆ÷Öжϱê־λ */
  LPTIM_IER_OVIE_Setable(ENABLE);  /* ¿ªÆô¼ÆÊýÆ÷ÖÐ¶Ï */

  NVIC_DisableIRQ(LPTIM_IRQn);
  NVIC_SetPriority(LPTIM_IRQn,6);//ÖжÏÓÅÏȼ¶ÅäÖÃ
  NVIC_EnableIRQ(LPTIM_IRQn);

  LPTIM_CR_EN_Setable(ENABLE);   /* ʹÄܼÆÊýÆ÷: */    
}