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Original question:

TMDX570LC43HDK: TMDX570LC43HDK Button Control

TMDX570LC43HDK: Push Button GIOA7

Dobby
Prodigy 55 points
Part Number: TMDX570LC43HDK

Tool/software:

Hi,

İ can control push button status. Push button is GIO port A pin 7. But when i control port A pin 7, i dont appear push button values. I can see it on GIO portA pin 6.
It says 7 in the document and on the board.
What is the reason for this ? Is 0 ignored when preparing document ?


								


				
				

				
			

		

			
						
									
                			    			                        
						
						
			
			
						
			                        
			
			
				
			  
			

			     
			

		


				    			

						
















	

	

					
    
	
    





		
	
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													0
							
			
				
									
							
						
				
			
			
			
					
    
	
    
	                                    
                      
    
                        
                          TI__Guru
                        69761 points
                      
    
                          
                   		
		
    
					
    Hi Dobby,
    

    Can you please try with below code once:
    

    int main(void)
    {
    /* USER CODE BEGIN (3) */
    hetInit();
    gioInit();
    

    gioSetDirection(hetPORT1,
    (1 << 0) |
    (1 << 5) |
    (1 << 17) |
    (1 << 18) |
    (1 << 25) |
    (1 << 27) |
    (1 << 29) |
    (1 << 31));
    

    

    while(1){
    

    button = ((gioPORTA->DIN & (1 << 7)) >> 7);

    if(button == 0){
    gioSetPort(hetPORT1,
    (1 << 0) |
    (1 << 5) |
    (1 << 17) |
    (1 << 18) |
    (1 << 25) |
    (1 << 27) |
    (1 << 29) |
    (1 << 31));
    }
    

    else if(button == 1){
    gioSetPort(hetPORT1,
    (0 << 0) |
    (0 << 5) |
    (0 << 17) |
    (0 << 18) |
    (0 << 25) |
    (0 << 27) |
    (0 << 29) |
    (0 << 31));
    }
    

    }
    

    /* USER CODE END */
    


    }
    


    /* USER CODE BEGIN (4) */
    /* USER CODE END */
    

    --
    Thanks & regards,
    Jagadish.
    
			
    

		
		
		
		
	
    
	
    
		
    
			
		
    
	
    

	            
                 	
	
    
				
		                
                
                
                
                
                
                
        		
		
				
    
			
		
    
		
		 
		
		
     
    
	
    

    
			
    
			
    
		
    

		
    
	
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													0
							
			
				
									
							
						
				
			
			
			
												
						in reply to jagadish gundavarapu
					
									
    
	
    
	                                    
                      
    
                        
                          Prodigy
                        55 points
                      
    
                          
                   		
		
    
					
    Hi,

    

    I solved the problem as follows. But I did not understand why I was reading from pin 6 and
    

    why the values ​​0 2 came instead of 1 0.
    

     
    

    /* USER CODE BEGIN (3) */
     hetInit();
     gioInit();
    

    gioSetDirection(hetPORT1, 
     (1 << 0) |
     (1 << 5) |
     (1 << 17) |
     (1 << 18) |
     (1 << 25) |
     (1 << 27) |
     (1 << 29) |
     (1 << 31));
    

    

    while(1){
    

    button = gioPORTA->DIN >> 6;
    

    if(button == 0){
     gioSetPort(hetPORT1,
     (1 << 0) |
     (1 << 5) |
     (1 << 17) |
     (1 << 18) |
     (1 << 25) |
     (1 << 27) |
     (1 << 29) |
     (1 << 31));
     }
    

    else if(button == 2){
     gioSetPort(hetPORT1,
     (0 << 0) |
     (0 << 5) |
     (0 << 17) |
     (0 << 18) |
     (0 << 25) |
     (0 << 27) |
     (0 << 29) |
     (0 << 31));
     }
    

    }
    

    /* USER CODE END */
    
			
    

		
		
		
		
	
    
	
    
		
    
			
		
    
	
    

	            
                	
	
    
				
		                
                
                
                
                
                
                
        		
		
				
    
			
		
    
		
		 
		
		
     
    
	
    

    
			
    
			
    
		
    

		
    
	
    • 

		
	
  • 
		
    
			 


	
			
		
	









    
	
    
		
    
							
					
    
		
    
			
													+1
							
			
				
									
							
						
				
			
			
			
												
						in reply to Dobby
					
									
    
	
    
	                                    
                      
    
                        
                          TI__Guru
                        69761 points
                      
    
                          
                   		
		
    
					
    Hi Dobby,
    

    Dobby said:
    I solved the problem as follows. But I did not understand why I was reading from pin 6 and
    

    why the values ​​0 2 came instead of 1 0.
    

    GIOA7 means we need to shift 7 times not 6 times. Because the port pin numbers will start from A0
    

     
    

    So, to get GIOA7 status to the least significant bit we need to shift the register value 7 times instead of 6 times.
    

    --
    Thanks & regards,
    Jagadish.
    
			
    

		
		
		
		
	
    
	
    
		
    
			
		
    
	
    

	            
                 	
	
    
				
		                
                
                
                
                
                
                
        		
		
				
    
			
		
    
		
		 
		
		
     
    
	
    

    
			
    
			
    
		
    

		
    
	
    •