July 26, 2024

Complete the given task Day1 (GPIO)

• [ ] 1.Write a c program to turn on led when we press the switch and turn off the led when we released the switch Take Input pin PC9 and Output pin PA8

//In main.c file
while (1)
  {
	  if(!(HAL_GPIO_ReadPin(GPIOC,SW_Pin)))
	  {
		  HAL_GPIO_WritePin(GPIOA,LED_Pin,1);//HAL is liabray write means writting value of digital pin (GPIO port,GPIO pin no, Value to NO)
		  HAL_Delay(100);
	  }
	  else
	  {
		  HAL_GPIO_WritePin(GPIOA,LED_Pin,0);
		  HAL_Delay(100);
	  }
  }

• [ ] 2.Write a c program to turn on Led when we press the switch and turn off Led if again we press the switch Take Input pin PC9 and Output pin PA8

//in main.c file 
// Variable to keep track of the LED state
uint8_t ledState = 0;
  
  while (1)
  {    // Read the state of the switch
	    if(HAL_GPIO_ReadPin(GPIOC, switch_Pin) == GPIO_PIN_RESET) // Assuming active-low switch
	    {
	      // Toggle the LED state
	      ledState = !ledState;

	      // Set the LED pin according to the ledState variable
	      HAL_GPIO_WritePin(GPIOA, led_Pin , ledState ? GPIO_PIN_SET : GPIO_PIN_RESET);

	      // Wait until the button is released
	      while(HAL_GPIO_ReadPin(GPIOC, switch_Pin) == GPIO_PIN_RESET);

	      // Debounce delay
	      HAL_Delay(100);
	    }
	  }
  }

• [ ] 3.Write a program to turn on 3 led using 3 switch conditions : if we press 1st switch 1st led turn on then off. if we press 2nd switch 2nd led turn on then off. if we press 3rd switch 3rd led turn on then off. Take PA7, PA8 and PA9 as output pin. PB8, PB9 and PC9 as input pin.

  while (1)
  {
  	  if(!(HAL_GPIO_ReadPin(GPIOC,switch1_Pin)))
  		  {
  			  HAL_GPIO_WritePin(GPIOA,led1_Pin,1);
  			  HAL_Delay(100);
  		  }
  	  else if(!(HAL_GPIO_ReadPin(GPIOB,switch2_Pin)))
  	  {
  		  HAL_GPIO_WritePin(GPIOA,led2_Pin,1);
  		  HAL_Delay(100);
  	  }
  	  else if(!(HAL_GPIO_ReadPin(GPIOB,switch3_Pin)))
  	  {
  		  HAL_GPIO_WritePin(GPIOA,led3_Pin,1);
  		  HAL_Delay(100);
  	  }

  	  else
  		  {
  			  HAL_GPIO_WritePin(GPIOA,led1_Pin,0);
  			  HAL_GPIO_WritePin(GPIOA,led2_Pin,0);
  			  HAL_GPIO_WritePin(GPIOA,led3_Pin,0);
  			  HAL_Delay(100);
  		  }
    }

• [ ] 4.Write a program to turn on 3 led using 3 switch. conditions : if we press the 1st switch 1st led turn on if we press the 2nd switch 1st and 2nd led turn on if we press the 3rd switch 1st,2nd and 3rd led turn on Take PA7, PA8 and PA9 as output pin. PB8, PB9 and PC9 as input pin.

while (1)
  {
  	  if(!(HAL_GPIO_ReadPin(GPIOC,switch1_Pin)))
  		  {
  			  HAL_GPIO_WritePin(GPIOA,led1_Pin,1);
  			  HAL_Delay(100);
  		  }
  	  else if(!(HAL_GPIO_ReadPin(GPIOB,switch2_Pin)))
  	  {
  		  HAL_GPIO_WritePin(GPIOA,led1_Pin,1);
  		  HAL_GPIO_WritePin(GPIOA,led2_Pin,1);
  		  HAL_Delay(100);
  	  }
  	  else if(!(HAL_GPIO_ReadPin(GPIOB,switch3_Pin)))
  	  {
  		  HAL_GPIO_WritePin(GPIOA,led1_Pin,1);
  		  HAL_GPIO_WritePin(GPIOA,led2_Pin,1);
  		  HAL_GPIO_WritePin(GPIOA,led3_Pin,1);
  		  HAL_Delay(100);
  	  }

  	  else
  		  {
  			  HAL_GPIO_WritePin(GPIOA,led1_Pin,0);
  			  HAL_GPIO_WritePin(GPIOA,led2_Pin,0);
  			  HAL_GPIO_WritePin(GPIOA,led3_Pin,0);
  			  HAL_Delay(100);
  		  }
    }

• [ ] 5.Two switch and one led condition : if we press the 1st switch led will turn on. if we press the 2nd switch led will turn off. Take PA7 as output pin PB8 and PB9 as input pin

  while (1)
  {
  	  if(!(HAL_GPIO_ReadPin(GPIOC,switch1_Pin)))
  		  {
  			  HAL_GPIO_WritePin(GPIOA,led1_Pin,1);
  			  HAL_Delay(100);
  		  }
  	  else if(!(HAL_GPIO_ReadPin(GPIOB,switch2_Pin)))
  	  {
  		  HAL_GPIO_WritePin(GPIOA,led1_Pin,0);
  		  HAL_Delay(100);
  	  }
  }

• [ ] 6.Write a program using 3 led and 1 switch condition : if we press the switch 1st time 1st led will turn on. if we press the switch 2nd time 2nd led will turn on. if we press the switch 3rd time 3rd led will turn on. after releasing switch leds will be in off state. also show the num of times switch pressed. Take PA7, PA8 and PA9 as output pin. PB8 as input pin.

uint8_t switchPressCount = 0;

while (1)
  {
	  // Read the state of the switch
	      if (HAL_GPIO_ReadPin(GPIOC, switch1_Pin) == GPIO_PIN_RESET) // Assuming active-low switch
	      {
	        // Increment the switch press count
	        switchPressCount++;

	        // Turn on the corresponding LED based on the switch press count
	        if (switchPressCount == 1)
	        {
	          HAL_GPIO_WritePin(GPIOA, led1_Pin, GPIO_PIN_SET);
	        }
	        else if (switchPressCount == 2)
	        {
	          HAL_GPIO_WritePin(GPIOA, led2_Pin, GPIO_PIN_SET);
	        }
	        else if (switchPressCount == 3)
	        {
	          HAL_GPIO_WritePin(GPIOA, led3_Pin, GPIO_PIN_SET);
	        }

	        // Wait until the button is released
	        while (HAL_GPIO_ReadPin(GPIOC, switch1_Pin) == GPIO_PIN_RESET);

	        // Turn off all LEDs after releasing the switch
	        HAL_GPIO_WritePin(GPIOA, led1_Pin, GPIO_PIN_RESET);
	        HAL_GPIO_WritePin(GPIOA, led2_Pin, GPIO_PIN_RESET);
	        HAL_GPIO_WritePin(GPIOA, led3_Pin, GPIO_PIN_RESET);

	        // Reset the switch press count after the third press
	        if (switchPressCount == 3)
	        {
	          switchPressCount = 0;
	        }
	        else if (switchPressCount == 4)
	        {
	        	switchPressCount=0;
	        }

	        // Debounce delay
	        HAL_Delay(100);
	      }

  }

• [ ] 7.Write a program using 3 led and 1 switch condition : if we press the switch 1st time 1st led will turn on. if we press the switch 2nd time 2nd led will turn on. if we press the switch 3rd time 3rd led will turn on. after releasing switch led state will not change. also show the num of times switch pressed. Take PA7, PA8 and PA9 as output pin. PB8 as input pin.

uint8_t switchPressCount = 0;

  while (1)
  {
	  // Read the state of the switch
	      if (HAL_GPIO_ReadPin(GPIOC, switch1_Pin) == GPIO_PIN_RESET) // Assuming active-low switch
	      {
	        // Increment the switch press count
	        switchPressCount++;

	        // Turn on the corresponding LED based on the switch press count
	        if (switchPressCount == 1)
	        {
	          HAL_GPIO_WritePin(GPIOA, led1_Pin, GPIO_PIN_SET);
	        }
	        else if (switchPressCount == 2)
	        {
	          HAL_GPIO_WritePin(GPIOA, led2_Pin, GPIO_PIN_SET);
	        }
	        else if (switchPressCount == 3)
	        {
	          HAL_GPIO_WritePin(GPIOA, led3_Pin, GPIO_PIN_SET);
	          switchPressCount=0;
	        }

	        // Wait until the button is released
	        while (HAL_GPIO_ReadPin(GPIOC, switch1_Pin) == GPIO_PIN_RESET);

	        // Debounce delay
	        HAL_Delay(100);
	      }

  }