#include "Driver_GPIO.h"
#include "stm32f10x.h"
#include "stdio.h"
/* GPIO init function */
void MyGPIO_Init ( MyGPIO_Struct_TypeDef * GPIOStructPtr )
{
	
	/* Activation of the GPIO port specific clock */
	 if (GPIOStructPtr->GPIO == GPIOA)
	 {
    RCC->APB2ENR |= RCC_APB2ENR_IOPAEN;
   }
	 else if (GPIOStructPtr->GPIO == GPIOB)
	 {
		 RCC->APB2ENR |= RCC_APB2ENR_IOPBEN;
   }
	 else if (GPIOStructPtr->GPIO == GPIOC)
	 {
		 RCC->APB2ENR |= RCC_APB2ENR_IOPCEN;
   }
	 else if (GPIOStructPtr->GPIO == GPIOD)
	 {
	 RCC->APB2ENR |= RCC_APB2ENR_IOPDEN;
	 }
  
	
	/* Reset, and then configuration writing of the selected GPIO Pin */	
	if(GPIOStructPtr->GPIO_Pin <= 8)
	{
		GPIOStructPtr->GPIO->CRL &= ~0xF<<(4*(GPIOStructPtr->GPIO_Pin));
		GPIOStructPtr->GPIO->CRL |= (GPIOStructPtr->GPIO_Conf)<<(4*(GPIOStructPtr->GPIO_Pin));
	}
	else
	{
		GPIOStructPtr->GPIO->CRH &= ~0xF<<(4*((GPIOStructPtr->GPIO_Pin)%8));
		GPIOStructPtr->GPIO->CRH |= (GPIOStructPtr->GPIO_Conf)<<(4*((GPIOStructPtr->GPIO_Pin)%8));
	}
	if(GPIOStructPtr->GPIO_Conf == (char)In_PullDown)
	{
		GPIOStructPtr->GPIO->ODR &= ~(0x1<<(GPIOStructPtr->GPIO_Pin));
	}
	else if(GPIOStructPtr->GPIO_Conf == (char)In_PullUp)
	{
		GPIOStructPtr->GPIO->ODR |= 0x1<<(GPIOStructPtr->GPIO_Pin);
	}
}
/* Read of the state of the GPIO */
int MyGPIO_Read ( GPIO_TypeDef * GPIO , char GPIO_Pin )
{
	return ((GPIO->ODR & (0x1<<GPIO_Pin))>>GPIO_Pin);
}
/* Set the state of the GPIO */
void MyGPIO_Set (GPIO_TypeDef * GPIO , char GPIO_Pin)
{
	GPIO->ODR &= 0x1<<GPIO_Pin;
}
/* Reset the state of the GPIO */
void MyGPIO_Reset (GPIO_TypeDef * GPIO , char GPIO_Pin)
{
	GPIO->ODR |= ~(0x1<<GPIO_Pin);
}
/* Toogle the state of the GPIO */
void MyGPIO_Toggle ( GPIO_TypeDef * GPIO , char GPIO_Pin )
{
	if(MyGPIO_Read(GPIO, GPIO_Pin))
	{
		MyGPIO_Reset(GPIO, GPIO_Pin);
	}
	else
	{
		MyGPIO_Set(GPIO, GPIO_Pin);
	}
}