[$is_have_disable_EA]
1
[$is_need_EA_all_open]
0
[$is_need_EA_all_open1_paichu_uids]


[$is_event_jimu]
0
[$group_e]
元件事件库.18b20模块
[$group]
元件库-传感器.$pname$
[$last_ver_update_time]
2021-04-03
[$min_need_ver]
1.23
[$p_list]

[$short_show_UIname]

[$code_area_type]
codes,exe_per_1ms,init_code
[$blocks_type]
line

[$name]
18b20模块的初始化积木

[$引脚占用列表，用于提示冲突]
[($_xgm$data1),type=pin]|18b20引脚



[$寄存器占用列表，用于提示冲突，但=>后的值没变则不提示冲突]




[$中断函数号占用列表，用于提示冲突]

 
        

[$interrupt_1]




flag_$rnd_varname_pre$=1;




[$thread_do]



[$cs]


[$function_ref_define_in_headfile]
@@file=18b20.h

 extern float ret_value_$rnd_varname_pre$;

char DS18B20_Get_Temp_$rnd_varname_pre$(struct pt *process_pt);

u8 DS18B20_Init_$rnd_varname_pre$(void);


[$init_code_for_define_area_once]
@@file=18b20.c



#include "protothread.h"
#include "app_process.h"
#include "sys/timer.h"
#include "Extline_Lib.h" 
#include "Lib_base.h"  //考虑PROCESS2_WAIT_UNTIL宏


[$init_code_for_define_area]
@@file=18b20.c


#define uint8 u8
#define uint16 u16
#define uint32 u32

void DS18B20_IO_OUT_$rnd_varname_pre$(){

#get_P口_to_PxM1_PxM0_set_code_without_init(group_xml,rand1,block_name,ref_complier,extinfo,"[($_xgm$data1),type=pin]","1","18b20信号输入")%   //1=推挽


}

void DS18B20_IO_IN_$rnd_varname_pre$(){

#get_P口_to_PxM1_PxM0_set_code_without_init(group_xml,rand1,block_name,ref_complier,extinfo,"[($_xgm$data1),type=pin]","0","18b20信号输入")%  //0=双向


}


  struct timer timer_csb2_$rnd_varname_pre$;

void delay_us_$rnd_varname_pre$(u16 time)
{    

    
	 if((time/10)>0){
    timer_set2(&timer_csb2_$rnd_varname_pre$,  time/10 );
    }else{
	
	 timer_set2(&timer_csb2_$rnd_varname_pre$,  1 );
	
	}
	
	
	
    timer_restart2(&timer_csb2_$rnd_varname_pre$);

    while(timer_expired2(&timer_csb2_$rnd_varname_pre$)==0){;}
   
    return;
	
	
	
	
	
   u16 i=0;  
   while(time--)
   {
      i=(#get_10us_delay_num_stm32f10x(group_xml,rand1,block_name,ref_complier,extinfo)% / 2 );  //自己定义
      while(i--) ;    
   }
   
   
   
   
   
}

 

 
//复位DS18B20
void DS18B20_Rst_$rnd_varname_pre$(void)	   
{                 
	DS18B20_IO_OUT_$rnd_varname_pre$(); 	//SET PG11 OUTPUT
    IO_Write([($_xgm$data1),type=pin],0); 	//拉低DQ
	
	

	
    delay_us_$rnd_varname_pre$(750);    	//拉低750us
    IO_Write([($_xgm$data1),type=pin],1); 	//DQ=1 
	delay_us_$rnd_varname_pre$(44);     	//15US
}
//等待DS18B20的回应
//返回1:未检测到DS18B20的存在
//返回0:存在
u8 DS18B20_Check_$rnd_varname_pre$(void) 	   
{   
	u8 retry=0;
	DS18B20_IO_IN_$rnd_varname_pre$();	//SET PG11 INPUT	 
    while (IO_Read( [($_xgm$data1),type=pin] )&&retry<10)
	{
		retry++;
		delay_us_$rnd_varname_pre$(20);
	};	 
	if(retry>=10)return 1;
	else retry=0;
    while (!IO_Read( [($_xgm$data1),type=pin] )  &&  retry<12)
	{
		retry++;
		delay_us_$rnd_varname_pre$(20);
	};
	if(retry>=12)return 1;	    
	return 0;
}
//从DS18B20读取一个位
//返回值：1/0
u8 DS18B20_Read_Bit_$rnd_varname_pre$(void) 	 
{
    u8 data;
	DS18B20_IO_OUT_$rnd_varname_pre$();	//SET PG11 OUTPUT
	
	
 __disable_irq();   // 关闭总中断,串口中断会在开启总中断后恢复上次的中断，所以无碍
	
     IO_Write([($_xgm$data1),type=pin],0);
     IO_Write([($_xgm$data1),type=pin],1);
	DS18B20_IO_IN_$rnd_varname_pre$();	//SET PG11 INPUT
		
	
	
	if(IO_Read( [($_xgm$data1),type=pin] ))data=1;
    else data=0;


  __enable_irq();    // 开启总中断
	
    delay_us_$rnd_varname_pre$(60); 
	
	 IO_Write([($_xgm$data1),type=pin],1);
    return data;
}
//从DS18B20读取一个字节
//返回值：读到的数据
u8 DS18B20_Read_Byte_$rnd_varname_pre$(void)     
{        
    u8 i,j,dat;
    dat=0;
	for (i=0;i<=7;i++) 
	{
        j=DS18B20_Read_Bit_$rnd_varname_pre$();
		
        //dat=(j<<7)|(dat>>1);
		 
	      dat = dat | (j << i);

		  
    }						    
    return dat;
}
//写一个字节到DS18B20
//dat：要写入的字节
void DS18B20_Write_Byte_$rnd_varname_pre$(u8 dat)     
 {             
    u8 j;
    u8 testb;
	DS18B20_IO_OUT_$rnd_varname_pre$();	//SET PG11 OUTPUT;
	
	
	
	
	
    for (j=1;j<=8;j++) 
	{
        testb=dat&0x01;
        dat=dat>>1;
        if (testb) 
        {
            IO_Write([($_xgm$data1),type=pin],0);	// Write 1
            delay_us_$rnd_varname_pre$(10);                            
             IO_Write([($_xgm$data1),type=pin],1);
            delay_us_$rnd_varname_pre$(80);             
        }
        else 
        {
             IO_Write([($_xgm$data1),type=pin],0);	// Write 0
            delay_us_$rnd_varname_pre$(80);             
             IO_Write([($_xgm$data1),type=pin],1);
            delay_us_$rnd_varname_pre$(10);                          
        }
    }
}
//开始温度转换
u8 DS18B20_Start_$rnd_varname_pre$(void) 
{   		

   u8 ret1=0;
				               
    DS18B20_Rst_$rnd_varname_pre$();	   
	ret1=DS18B20_Check_$rnd_varname_pre$();	 
    DS18B20_Write_Byte_$rnd_varname_pre$(0xcc);	// skip rom
	//delay_us_$rnd_varname_pre$(10); 
    DS18B20_Write_Byte_$rnd_varname_pre$(0x44);	// convert
	
	
	return ret1;
	
} 
 
//初始化DS18B20的IO口 DQ 同时检测DS的存在
//返回1:不存在
//返回0:存在    	 
u8 DS18B20_Init_$rnd_varname_pre$(void)
{
 	
	
 
 
	DS18B20_Rst_$rnd_varname_pre$();
 
	return DS18B20_Check_$rnd_varname_pre$();
}  



float ret_value_$rnd_varname_pre$;





//从ds18b20得到温度值
//精度：0.1C
//返回值：温度值 （-550~1250） 
char DS18B20_Get_Temp_$rnd_varname_pre$(struct pt *process_pt)
{


   
 PT_BEGIN(process_pt);

    static u8 temp;
    static u8 TL,TH;
	static short tem;
	
	static float retv1=0;
	
	
TT_disable_100us_Task_scan_for_other(1);




    if(DS18B20_Start_$rnd_varname_pre$()!=0){


     TT_disable_100us_Task_scan_for_other(0);
     return 0;
    }	  			 
	
	
	
TT_disable_100us_Task_scan_for_other(0);	
	
	
	//delay_us_$rnd_varname_pre$(700); 
	
	
	 timer_set2(&timer_csb2_$rnd_varname_pre$,  100 );//unit:10us
	
  
      timer_restart2(&timer_csb2_$rnd_varname_pre$);
 
 
       PROCESS2_WAIT_UNTIL(process_pt , timer_expired2(&timer_csb2_$rnd_varname_pre$)!=0); 
	  
	  
	  
	
	//等待温度转换完成,不要这个：占cpu中断太多：
	//while(DS18B20_Read_Byte_$rnd_varname_pre$()!=0xFF&&timer_expired2(&timer_csb2_$rnd_varname_pre$)==0){}
	


TT_disable_100us_Task_scan_for_other(1);
	
	//rst+Check就是DS18B20_Start_
	DS18B20_Rst_$rnd_varname_pre$();



    if(DS18B20_Check_$rnd_varname_pre$()!=0){


      TT_disable_100us_Task_scan_for_other(0);
     return 0;
    }	
	
    DS18B20_Write_Byte_$rnd_varname_pre$(0xcc);	// skip rom
		//delay_us_$rnd_varname_pre$(10); 
    DS18B20_Write_Byte_$rnd_varname_pre$(0xbe);	// convert	



    
    TL=DS18B20_Read_Byte_$rnd_varname_pre$(); 	// LSB   
    TH=DS18B20_Read_Byte_$rnd_varname_pre$(); 	// MSB  


	TT_disable_100us_Task_scan_for_other(0); 

 
   //return TH;
   
   
    if(TH>0x7f)
    {
        TH=(~TH);
        TL=~TL; 
        temp=0;					//温度为负  
    }else temp=1;				//温度为正

	
    tem=TH; 					//获得高八位
    tem<<=8;    
    tem+=TL;					//获得低八位
    retv1=(float)(((float)tem)*0.0625);		//转换  
	
	if(temp)ret_value_$rnd_varname_pre$= retv1; 		//注意：temp不是tem, 返回温度值
	else ret_value_$rnd_varname_pre$= (-1.0)*retv1;    
	
	
	 timer_set2(&timer_csb2_$rnd_varname_pre$,  300 );//unit:10us ,释放cpu占中断3ms给其他积木
	
  
      timer_restart2(&timer_csb2_$rnd_varname_pre$);
 
 
       PROCESS2_WAIT_UNTIL(process_pt , timer_expired2(&timer_csb2_$rnd_varname_pre$)!=0); 
	  
	  
	
	
	
	PT_END(process_pt);
	
}











[$init_code_for_init_val]
 
#get_P口_to_PxM1_PxM0_set_code(group_xml,rand1,block_name,ref_complier,extinfo,"[($_xgm$data1),type=pin]","0","18b20信号输入")%




	
     IO_Write([($_xgm$data1),type=pin] ,1) ;
	 
	 
     //DS18B20_Init_$rnd_varname_pre$();


	



[$timer0_1ms_code]

  


[$timer0_100us_code]




[$toolbox_block_code]
<block type="drv_18b20_init"></block>


[$replace_map]
$_xgm$data1 = $field$data1 ,mytype|pin, ptype|TIMES