/**********************************************************************
 *   Tittle:  			Delfino Evaluation Board LCD 2x16 Display     *
 *   Filename:	    	LCD2x16Display.c                              *
 *   Date:          	20-11-2014                                    *
 *   Last Modify:   	20-11-2014                                    *
 *   File Version:  	1.0                                           *
 *                                                                    *
 *   Author:  			Flaxer Eli                                    *
 *   Company:			Flaxer.net                                    *
 *                                                                    *
 *                                                                    */


#include "DSP28x_Project.h"     // Device Header file and Examples Include File

/*****************************************************************************/
static inline void LcdControlBit(int bit)
  {
  if (bit)
	  GpioDataRegs.GPBSET.bit.GPIO57 = 1;
  else
	  GpioDataRegs.GPBCLEAR.bit.GPIO57 = 1;
  }
/*****************************************************************************/
static inline void LcdEnablelBit(int bit)
  {
  if (bit)
	  GpioDataRegs.GPBSET.bit.GPIO56 = 1;
  else
	  GpioDataRegs.GPBCLEAR.bit.GPIO56 = 1;
  }
/*****************************************************************************/
static inline void LcdBlinklBit(int bit)
  {
  if (bit)
	  GpioDataRegs.GPBSET.bit.GPIO58 = 1;
  else
	  GpioDataRegs.GPBCLEAR.bit.GPIO58 = 1;
  }
/*****************************************************************************/
static inline void LcdWriteData(char data)
  {
  GpioDataRegs.GPBCLEAR.all = (0xFFL << 16);	// Clear all data bits GPIO48-GPIO55
  GpioDataRegs.GPBSET.all = ((long)data << 16);	// Set the relevant data bits GPIO48-GPIO55
  }
/*****************************************************************************/
void BackLightLCD(int x)
  {
  LcdBlinklBit(x);
  }
/*****************************************************************************/
void PutcLCD(const char c)
  {
  LcdControlBit(1);		// Data
  DELAY_US(1);
  LcdEnablelBit(1);
  LcdWriteData(c);
  DELAY_US(1);
  LcdEnablelBit(0);
  DELAY_US(100);
  }
/*****************************************************************************/
void PrintLCD(const char *str)
  {
  int i;
  for(i=0; str[i]; i++)
  	  {
	  PutcLCD(str[i]);
  	  }
  }
/*****************************************************************************/
void ClearLCD(void)
  {
  LcdControlBit(0);		// Control
  DELAY_US(1);
  LcdEnablelBit(1);
  LcdWriteData(0x01);	// Clear code
  DELAY_US(1);
  LcdEnablelBit(0);
  DELAY_US(10000);
  }
 /*****************************************************************************/
void InItLCD(void)
  {
  static const char LcdInitStr[] = {0x38, 0x0E, 0x06, 0x01};
  int i;

  LcdControlBit(0);		// Control

  for (i=0; i<4; i++)
    {
	LcdEnablelBit(1);
	LcdWriteData(LcdInitStr[i]);
	DELAY_US(10000);
	LcdEnablelBit(0);
	DELAY_US(5000);
    }
  }
/*****************************************************************************/
void HomeLCD()
  {
  LcdControlBit(0);		// Control
  DELAY_US(1);
  LcdEnablelBit(1);
  LcdWriteData(0x02);	// Home Code
  DELAY_US(1);
  LcdEnablelBit(0);
  DELAY_US(1000);
  }
/*===============================================*/
void OnOffLCD(char D, char C, char B)
  {
  LcdControlBit(0);		// Control
  DELAY_US(1);
  LcdEnablelBit(1);
  LcdWriteData(0x08 | (D<<2) | (C<<1) | (B<<0));	// DCB Code
  DELAY_US(1);
  LcdEnablelBit(0);
  DELAY_US(1000);
 }
/*===============================================*/
void GoToLCD(char y, char x)
  {
  LcdControlBit(0);		// Control
  DELAY_US(1);
  LcdEnablelBit(1);
  LcdWriteData((1<<7) | (0x40*y + x));	// Set DDRAM Address
  DELAY_US(1);
  LcdEnablelBit(0);
  DELAY_US(50);
  }
/*===============================================*/
void PrintLineLCD(char line, const char *str)
  {
  static const char EmptyLine[]="                ";
  GoToLCD(line, 0);
  PrintLCD(EmptyLine);
  GoToLCD(line, 0);
  PrintLCD(str);
  }
/*===============================================*/