glcd.c

uCOSII_lwip_lpc1768

/****************************************Copyright (c)**************************************************                         
**
**                                 http://www.powermcu.com
**
**--------------File Info-------------------------------------------------------------------------------
** File name:			GLCD.c
** Descriptions:		TFT操作函数库(模拟IO)
**						
**------------------------------------------------------------------------------------------------------
** Created by:			AVRman
** Created date:		2011-1-26
** Version:				1.0
** Descriptions:		The original version
**
**------------------------------------------------------------------------------------------------------
** Modified by:			
** Modified date:	
** Version:
** Descriptions:		
********************************************************************************************************/

/* Includes ------------------------------------------------------------------*/
#include "GLCD.h" 
#include "HzLib.h"
#include "AsciiLib.h"

/* Private variables ---------------------------------------------------------*/
static uint8_t LCD_Code;

/* Private define ------------------------------------------------------------*/
#define  ILI9320    0  /* 0x9320 */
#define  ILI9325    1  /* 0x9325 */
#define  ILI9328    2  /* 0x9328 */
#define  ILI9331    3  /* 0x9331 */
#define  SSD1298    4  /* 0x8999 */
#define  SSD1289    5  /* 0x8989 */
#define  ST7781     6  /* 0x7783 */
#define  LGDP4531   7  /* 0x4531 */
#define  SPFD5408B  8  /* 0x5408 */
#define  R61505U    9  /* 0x1505 0x0505 */	   
#define  HX8347D    10 /* 0x0047 */
#define  HX8347A    11 /* 0x0047 */	
#define  LGDP4535   12 /* 0x4535 */  
#define  SSD2119    13 /* 3.5 LCD 0x9919 */

/*******************************************************************************
* Function Name  : Lcd_Configuration
* Description    : Configures LCD Control lines
* Input          : None
* Output         : None
* Return         : None
* Attention		 : None
*******************************************************************************/
static void LCD_Configuration(void)
{
  /* Configure the LCD Control pins */

  /* EN = P0.19 , LE = P0.20 , DIR = P0.21 , CS = P0.22 , RS = P0.23 , RS = P0.23 */
  /* RS = P0.23 , WR = P0.24 , RD = P0.25 , DB[0.7] = P2.0...P2.7 , DB[8.15]= P2.0...P2.7 */  
  LPC_GPIO0->FIODIR   |= 0x03f80000;
  LPC_GPIO0->FIOSET    = 0x03f80000;
}

/*******************************************************************************
* Function Name  : LCD_Send
* Description    : LCD写数据
* Input          : - byte: byte to be sent
* Output         : None
* Return         : None
* Attention		 : None
*******************************************************************************/
static __inline void LCD_Send (uint16_t byte) 
{
  LPC_GPIO2->FIODIR |= 0xFF;          /* P2.0...P2.7 Output */
  LCD_DIR(1)		   				  /* Interface A->B */
  LCD_EN(0)	                          /* Enable 2A->2B */
  LPC_GPIO2->FIOPIN =  byte;          /* Write D0..D7 */
  LCD_LE(1)                         
  LCD_LE(0)							  /* latch D0..D7	*/
  LPC_GPIO2->FIOPIN =  byte >> 8;     /* Write D8..D15 */
}

/*******************************************************************************
* Function Name  : wait_delay
* Description    : Delay Time
* Input          : - nCount: Delay Time
* Output         : None
* Return         : None
* Return         : None
* Attention		 : None
*******************************************************************************/
void wait_delay(int count)
{
  while(count--);
}

/*******************************************************************************
* Function Name  : LCD_Read
* Description    : LCD读数据
* Input          : - byte: byte to be read
* Output         : None
* Return         : 返回读取到的数据
* Attention		 : None
*******************************************************************************/
static __inline uint16_t LCD_Read (void) 
{
  uint16_t value;

  LPC_GPIO2->FIODIR &= ~(0xFF);              /* P2.0...P2.7 Input */
  LCD_DIR(0);		   				           /* Interface B->A */
  LCD_EN(0);	                               /* Enable 2B->2A */
  wait_delay(80);							   /* delay some times */
  value = LPC_GPIO2->FIOPIN0;                   /* Read D8..D15 */
  LCD_EN(1);	                               /* Enable 1B->1A */
  wait_delay(80);							   /* delay some times */
  value = (value << 8) | LPC_GPIO2->FIOPIN0;       /* Read D0..D7 */
  LCD_DIR(1);
  return  value;
}

/*******************************************************************************
* Function Name  : LCD_WriteIndex
* Description    : LCD写寄存器地址
* Input          : - index: 寄存器地址
* Output         : None
* Return         : None
* Attention		 : None
*******************************************************************************/
static __inline void LCD_WriteIndex(uint16_t index)
{
  LCD_CS(0);
  LCD_RS(0);
  LCD_RD(1);
  LCD_Send( index ); 
  wait_delay(70);	
  LCD_WR(0);  
  wait_delay(1);
  LCD_WR(1);
  LCD_CS(1);
}

/*******************************************************************************
* Function Name  : LCD_WriteData
* Description    : LCD写寄存器数据
* Input          : - index: 寄存器数据
* Output         : None
* Return         : None
* Attention		 : None
*******************************************************************************/
static __inline void LCD_WriteData(uint16_t data)
{				
  LCD_CS(0);
  LCD_RS(1);   
  LCD_Send( data );
  LCD_WR(0);     
  wait_delay(1);
  LCD_WR(1);
  LCD_CS(1);
}

/*******************************************************************************
* Function Name  : LCD_ReadData
* Description    : 读取控制器数据
* Input          : None
* Output         : None
* Return         : 返回读取到的数据
* Attention		 : None
*******************************************************************************/
static __inline uint16_t LCD_ReadData(void)
{ 
  uint16_t value;
  
  LCD_CS(0);
  LCD_RS(1);
  LCD_WR(1);
  LCD_RD(0);
  value = LCD_Read();

  LCD_RD(1);
  LCD_CS(1);

  return value;
}

/*******************************************************************************
* Function Name  : LCD_WriteReg
* Description    : Writes to the selected LCD register.
* Input          : - LCD_Reg: address of the selected register.
*                  - LCD_RegValue: value to write to the selected register.
* Output         : None
* Return         : None
* Attention		 : None
*******************************************************************************/
static __inline void LCD_WriteReg(uint16_t LCD_Reg,uint16_t LCD_RegValue)
{ 
  /* Write 16-bit Index, then Write Reg */  
  LCD_WriteIndex(LCD_Reg);         
  /* Write 16-bit Reg */
  LCD_WriteData(LCD_RegValue);  
}

/*******************************************************************************
* Function Name  : LCD_WriteReg
* Description    : Reads the selected LCD Register.
* Input          : None
* Output         : None
* Return         : LCD Register Value.
* Attention		 : None
*******************************************************************************/
static __inline uint16_t LCD_ReadReg(uint16_t LCD_Reg)
{
  uint16_t LCD_RAM;

  /* Write 16-bit Index (then Read Reg) */
  LCD_WriteIndex(LCD_Reg);
  /* Read 16-bit Reg */
  LCD_RAM = LCD_ReadData();      	
  return LCD_RAM;
}

/*******************************************************************************
* Function Name  : LCD_SetCursor
* Description    : Sets the cursor position.
* Input          : - Xpos: specifies the X position.
*                  - Ypos: specifies the Y position. 
* Output         : None
* Return         : None
* Attention		 : None
*******************************************************************************/
static void LCD_SetCursor( uint16_t Xpos, uint16_t Ypos )
{
    #if  ( DISP_ORIENTATION == 90 ) || ( DISP_ORIENTATION == 270 )
	
 	uint16_t temp = Xpos;

			 Xpos = Ypos;
			 Ypos = ( MAX_X - 1 ) - temp;  

	#elif  ( DISP_ORIENTATION == 0 ) || ( DISP_ORIENTATION == 180 )
		
	#endif

  switch( LCD_Code )
  {
     default:		 /* 0x9320 0x9325 0x9328 0x9331 0x5408 0x1505 0x0505 0x7783 0x4531 0x4535 */
          LCD_WriteReg(0x0020, Xpos );     
          LCD_WriteReg(0x0021, Ypos );     
	      break; 

     case SSD1298: 	 /* 0x8999 */
     case SSD1289:   /* 0x8989 */
	      LCD_WriteReg(0x004e, Xpos );      
          LCD_WriteReg(0x004f, Ypos );          
	      break;  

     case HX8347A: 	 /* 0x0047 */
     case HX8347D: 	 /* 0x0047 */
	      LCD_WriteReg(0x02, Xpos>>8 );                                                  
	      LCD_WriteReg(0x03, Xpos );  

	      LCD_WriteReg(0x06, Ypos>>8 );                           
	      LCD_WriteReg(0x07, Ypos );    
	
	      break;     
     case SSD2119:	 /* 3.5 LCD 0x9919 */
	      break; 
  }
}

/*******************************************************************************
* Function Name  : LCD_Delay
* Description    : Delay Time
* Input          : - nCount: Delay Time
* Output         : None
* Return         : None
* Return         : None
* Attention		 : None
*******************************************************************************/
static void delay_ms(uint16_t ms)    
{ 
	uint16_t i,j; 
	for( i = 0; i < ms; i++ )
	{ 
		for( j = 0; j < 1141; j++ );
	}
} 

/*******************************************************************************
* Function Name  : LCD_Initializtion
* Description    : Initialize TFT Controller.
* Input          : None
* Output         : None
* Return         : None
* Attention		 : None
*******************************************************************************/
void LCD_Initializtion(void)
{
	uint16_t DeviceCode;
	
	LCD_Configuration();
	DeviceCode = LCD_ReadReg(0x0000);		/* 读取屏ID	*/	
	/* 不同屏驱动IC 初始化不同 */
	if( DeviceCode == 0x9325 || DeviceCode == 0x9328 )	
	{
		LCD_Code = ILI9325;
		LCD_WriteReg(0x00e7,0x0010);      
		LCD_WriteReg(0x0000,0x0001);  	/* start internal osc */
		LCD_WriteReg(0x0001,0x0100);     
		LCD_WriteReg(0x0002,0x0700); 	/* power on sequence */
		LCD_WriteReg(0x0003,(1<<12)|(1<<5)|(1<<4)|(0<<3) ); 	/* importance */
		LCD_WriteReg(0x0004,0x0000);                                   
		LCD_WriteReg(0x0008,0x0207);	           
		LCD_WriteReg(0x0009,0x0000);         
		LCD_WriteReg(0x000a,0x0000); 	/* display setting */        
		LCD_WriteReg(0x000c,0x0001);	/* display setting */        
		LCD_WriteReg(0x000d,0x0000); 			        
		LCD_WriteReg(0x000f,0x0000);
		/* Power On sequence */
		LCD_WriteReg(0x0010,0x0000);   
		LCD_WriteReg(0x0011,0x0007);
		LCD_WriteReg(0x0012,0x0000);                                                                 
		LCD_WriteReg(0x0013,0x0000);                 
		delay_ms(50);  /* delay 50 ms */		
		LCD_WriteReg(0x0010,0x1590);   
		LCD_WriteReg(0x0011,0x0227);
		delay_ms(50);  /* delay 50 ms */		
		LCD_WriteReg(0x0012,0x009c);                  
		delay_ms(50);  /* delay 50 ms */		
		LCD_WriteReg(0x0013,0x1900);   
		LCD_WriteReg(0x0029,0x0023);
		LCD_WriteReg(0x002b,0x000e);
		delay_ms(50);  /* delay 50 ms */		
		LCD_WriteReg(0x0020,0x0000);                                                            
		LCD_WriteReg(0x0021,0x0000);           
		delay_ms(50);  /* delay 50 ms */		
		LCD_WriteReg(0x0030,0x0007); 
		LCD_WriteReg(0x0031,0x0707);   
		LCD_WriteReg(0x0032,0x0006);
		LCD_WriteReg(0x0035,0x0704);
		LCD_WriteReg(0x0036,0x1f04); 
		LCD_WriteReg(0x0037,0x0004);
		LCD_WriteReg(0x0038,0x0000);        
		LCD_WriteReg(0x0039,0x0706);     
		LCD_WriteReg(0x003c,0x0701);
		LCD_WriteReg(0x003d,0x000f);
		delay_ms(50);  /* delay 50 ms */		
		LCD_WriteReg(0x0050,0x0000);        
		LCD_WriteReg(0x0051,0x00ef);   
		LCD_WriteReg(0x0052,0x0000);     
		LCD_WriteReg(0x0053,0x013f);
		LCD_WriteReg(0x0060,0xa700);        
		LCD_WriteReg(0x0061,0x0001);