// Insert compiler directives to set the optimization to zero
// We do not want the compiler to optimize out any code
#pragma GCC push_options
#pragma GCC optimize ("O0")

// Include the header file.
//  In STM32 microcontroller programming, the header files provided by the
//  manufacturer (STMicroelectronics) contain the necessary definitions,
//  constants, and function prototypes specific to the microcontroller's peripherals
//  and features.
#include "stm32c0xx.h"


// Include function declarations
void myDelay(unsigned int val);


int main(void)
{

  // Enable GPIOD and configure PD0 as an output pin
 /* RCC->IOPENR |= (1UL << 3);
  GPIOD -> MODER &= ~(3UL);
  GPIOD ->MODER |= (1UL);
   */
  RCC->IOPENR |=(1UL<<1);
  GPIOB->MODER &=~(3UL<<14);
  GPIOB->MODER |=(1UL<<14);
  GPIOB->MODER &=~(3UL<<8);
  GPIOB->MODER |=(1UL<<8);
  GPIOB->MODER &=~(3UL<<2);
  GPIOB->MODER |=(1UL<<2);

  while (1)
  {
    GPIOB->ODR ^=(1UL<<4);
    myDelay(1000);



    /*
    // Toggle the state of PD0
    GPIOD ->ODR ^= (1UL);
    // call a delay. Note that this delay is not an accurately timed delay
    myDelay(200000);*/

  }


}

// Add function definitions here
void myDelay(unsigned int val)
{
  int i;
  for (i = 0; i < val; i++);

}