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F2812 CAPTURE EXAMPLE CODE

Thiyagarajan . S
Expert 2570 points

Other Parts Discussed in Thread: TMS320F2812

HI All ,

    am working in TMS320F2812,  successfully i have generated sine pwm for 3 phase inverted with the help of TI header file setup , now i want to read the signal from motor and i have to control the speed with closed loop functin, can u please direct me to correct link wherre i can get the correct information about the CAPTURE PIN, EXAMPLE CODE USING CAPTURE FUNCTION,,,,,,,,,,,,,,,,,,,,

URGENT BY TODAY,,,,,,,,,,,,,,,,, TRY TO HELP SOON...............

  • 0
    TI__Guru** 119680 points

    http://www.ti.com/tool/sprc130         

    aci3_1.c

    	Line 75: // Instance a Capture interface driver 
    	Line 76: CAPTURE cap1 = CAPTURE_DEFAULTS;
    	Line 78: // Instance a speed calculator based on capture 
    	Line 79: SPEED_MEAS_CAP speed1 = SPEED_MEAS_CAP_DEFAULTS;
    	Line 79: SPEED_MEAS_CAP speed1 = SPEED_MEAS_CAP_DEFAULTS;
    	Line 250: // Initialize capture module
    	Line 251:     cap1.init(&cap1);
    	Line 255:    // x1-eCap Timer, 100MHz, 1000-teeth sprocket, only Capture Event 1 used (4x)
    	Line 381:     if((cap1.read(&cap1))==0)             // Call the capture read function
    	Line 383:         speed1.EventPeriod=(int32)(cap1.EventPeriod);    // Read out new time stamp difference
    	Line 388:     if((cap1.read(&cap1))==0)             // Call the capture read function
    	Line 390:         speed1.TimeStamp=(int32)(cap1.TimeStamp);    // Read out new time stamp 
    	Line 477:     if((cap1.read(&cap1))==0)             // Call the capture read function
    	Line 479:         speed1.EventPeriod=(int32)(cap1.EventPeriod);    // Read out new time stamp difference
    	Line 484:     if((cap1.read(&cap1))==0)             // Call the capture read function
    	Line 486:         speed1.TimeStamp=(int32)(cap1.TimeStamp);    // Read out new time stamp 
    

    

    

    

    

    

    

    

    

    

    

    
			
    

		
		
		
		
	
    
	
    
		
    
			
		
    
	
    

	            
                 	
	
    
				
		                
                
                
                
                
                
                
        		
		
				
    
			
		
    
		
		 
		
		
     
    
	
    

    
			
    
			
    
		
    

		
    
	
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