#include "../../../hw_types.h"
#include "../../../src/interrupt.h"
#include "../../../hw_ints.h"
#include "../../../src/debug.h"
#include "../../../src/sysctl.h"
#include "../rit128x96x4.h"
#include "../../../src/gpio.h"
#include "../../../hw_memmap.h"



//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

void delay_30ms(void)
{
  unsigned int i=0, j=0;

  for(i=0; i < 250000; i++)       //250000
    j+=1;
}
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++


int main(void)
{
  int iVal=0;
  SysCtlClockSet(SYSCTL_SYSDIV_1 | SYSCTL_USE_OSC | SYSCTL_OSC_MAIN |
                   SYSCTL_XTAL_8MHZ);
  
  // Enable the peripherals used by this example.
  //
  SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOB);
  SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOC);


  
  RIT128x96x4Init(1000000);
  RIT128x96x4StringDraw("EXTERNES DISPLAY",20,50,15);
  
//  GPIOPortIntRegister(GPIO_PORTB_BASE, PortBIntHandler);
//  GPIOPortIntRegister(GPIO_PORTC_BASE, PortCIntHandler);
  
  // Initialisierung 16x2 LCD Display
  
  //set LCD_DATA0 , LCD_DATA1 , LCD_DATA2 , LCD_DATA3 , LCD_RS to output ports
  GPIOPinTypeGPIOOutput(GPIO_PORTB_BASE, GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3 | GPIO_PIN_5);
  
  //set  LCD_RS , LCD_RW , LCD_EN to output ports
  GPIOPinTypeGPIOOutput(GPIO_PORTC_BASE, GPIO_PIN_2 | GPIO_PIN_3);
 
  
  //set LCD_DATA0 , LCD_DATA1 , LCD_DATA2 , LCD_DATA3 , LCD_RS to LOW = 0
  GPIOPinWrite(GPIO_PORTB_BASE, GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3 | GPIO_PIN_5, 0);

  //set  LCD_RS , LCD_RW , LCD_EN to LOW = 0
  GPIOPinWrite(GPIO_PORTC_BASE, GPIO_PIN_2 | GPIO_PIN_3, 0);
  
  SysTickPeriodSet(SysCtlClockGet());
  SysTickEnable();
  
  // Enable interrupts to the processor.
  //
  IntMasterEnable();

  //
  // Enable the interrupts.
  //
  IntEnable(INT_GPIOB);
  IntEnable(INT_GPIOC);
  
  delay_30ms();
  
 iVal = GPIOPinRead(GPIO_PORTB_BASE,(GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3 | GPIO_PIN_5));
 

  return 0;
}