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## stm32_gpio_registers_and_c_bitwise.md

      
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                Vitorbnc
                / stm32_gpio_registers_and_c_bitwise.md
            
            
              Created
              August 17, 2016 01:00
            
              
                How to set bits in C and write to STM32 GPIO registers using Arduino IDE
              
          
    STM32duino GPIO Registers and Programming

Bit Setting in C

Setting a bit

Use the bitwise OR operator ( | ) to set a bit.
number |= 1 << x;

  
## pid_controller.c
/*
 * pid_controller.c
 *
 *  Created on: Apr 24, 2016
 *      Author: subham roy
 */

#include "pid_controller.h"

double pid(PID_vars *vars, double current_err) {
	/*
	* pid_controller.c
	*
	* Created on: Apr 24, 2016
	* Author: subham roy
	*/

	#include "pid_controller.h"

	double pid(PID_vars *vars, double current_err) {