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rt-thread-official/bsp/lpc178x/drivers/drv_glcd.c

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/*************************************************************************
*
* Used with ICCARM and AARM.
*
* (c) Copyright IAR Systems 2008
*
* File name : drv_glcd.c
* Description : Graphical LCD driver
*
* History :
* 1. Date : 6, March 2008
* Author : Stanimir Bonev
* Description : Create
*
*
* $Revision: 24636 $
*
* @Modify: NXP MCU Application Team - NguyenCao
* @Date: 04. March. 2011
**************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
//#include "ConstGlbPtrs.h"
//#include "Ex_sdram.h"
#include "drv_glcd.h"
#include "lpc177x_8x_clkpwr.h"
#include "lpc177x_8x_pinsel.h"
//#include "Cursor.h"
//#include "logo.h"
//#define MHZ
#define C_GLCD_CLK_PER_LINE (C_GLCD_H_SIZE + C_GLCD_H_PULSE + C_GLCD_H_FRONT_PORCH + C_GLCD_H_BACK_PORCH)
#define C_GLCD_LINES_PER_FRAME (C_GLCD_V_SIZE + C_GLCD_V_PULSE + C_GLCD_V_FRONT_PORCH + C_GLCD_V_BACK_PORCH)
#define C_GLCD_PIX_CLK (C_GLCD_CLK_PER_LINE * C_GLCD_LINES_PER_FRAME)
//LPC_LCD_TypeDef * const g_pLCD = ((LPC_LCD_TypeDef*) LPC_LCD_BASE);
//LPC_SC_TypeDef * const g_pSC = ((LPC_SC_TypeDef*) LPC_SC_BASE);
#define SDRAM_BASE 0xA0000000 /* CS0 */
#define SDRAM_BASE_ADDR SDRAM_BASE
#define LCD_VRAM_BASE_ADDR ((unsigned long)SDRAM_BASE_ADDR + 0x00000000)
#define LCD_CURSOR_BASE_ADDR ((unsigned long)0x20088800)
static pFontType_t pCurrFont = NULL;
static LdcPixel_t TextColour;
static LdcPixel_t TextBackgndColour;
static unsigned long TextX_Pos = 0;
static unsigned long TextY_Pos = 0;
static unsigned long XL_Win = 0;
static unsigned long YU_Win = 0;
static unsigned long XR_Win = C_GLCD_H_SIZE-1;
static unsigned long YD_Win = C_GLCD_V_SIZE-1;
static unsigned long TabSize = TEXT_DEF_TAB_SIZE;
static unsigned long WindY_Size, WindX_Size;
static unsigned long CurrY_Size, CurrX_Size;
static unsigned long *pWind;
static unsigned long *pPix;
/*************************************************************************
* Function Name: GLCD_Cursor_Cnfg
* Parameters:
*
* Return: none
*
* Description: Configure the cursor
*
*************************************************************************/
void GLCD_Cursor_Cfg(int Cfg)
{
LPC_LCD->CRSR_CFG = Cfg;
}
/*************************************************************************
* Function Name: GLCD_Cursor_En
* Parameters: cursor - Cursor Number
*
* Return: none
*
* Description: Enable Cursor
*
*************************************************************************/
void GLCD_Cursor_En(int cursor)
{
LPC_LCD->CRSR_CTRL |= (cursor<<4);
LPC_LCD->CRSR_CTRL |= 1;
}
/*************************************************************************
* Function Name: GLCD_Cursor_Dis
* Parameters: None
*
* Return: none
*
* Description: Disable Cursor
*
*************************************************************************/
void GLCD_Cursor_Dis(int cursor)
{
LPC_LCD->CRSR_CTRL &= (1<<0);
}
/*************************************************************************
* Function Name: GLCD_Move_Cursor
* Parameters: x - cursor x position
* y - cursor y position
*
* Return: none
*
* Description: Moves cursor on position (x,y). Negativ values are posible.
*
*************************************************************************/
void GLCD_Move_Cursor(int x, int y)
{
LPC_LCD->CRSR_CLIP = 0;
LPC_LCD->CRSR_XY = 0;
if(0 <= x)
{//no clipping
LPC_LCD->CRSR_XY |= (x & 0x3FF);
}
else
{//clip x
LPC_LCD->CRSR_CLIP |= -x;
}
if(0 <= y)
{//no clipping
LPC_LCD->CRSR_XY |= (y << 16);
}
else
{//clip y
LPC_LCD->CRSR_CLIP |= (-y << 8);
}
}
/*************************************************************************
* Function Name: GLCD_Copy_Cursor
* Parameters: pCursor - pointer to cursor conts image
* cursor - cursor Number (0,1,2 or 3)
* for 64x64(size 256) pix cursor always use 0
* size - cursor size in words
* Return: none
*
* Description: Copy Cursor from const image to LCD RAM image
*
*************************************************************************/
void GLCD_Copy_Cursor (const unsigned long *pCursor, int cursor, int size)
{
unsigned long i ;
unsigned long * pDst = (unsigned long *)LCD_CURSOR_BASE_ADDR;
pDst += cursor*64;
for(i = 0; i < size ; i++)
// *pDst++ = *pCursor++;
{
*pDst = *pCursor;
pDst++;
pCursor++;
}
}
/*************************************************************************
* Function Name: GLCD_Init
* Parameters: const unsigned long *pPain, const unsigned long * pPallete
*
* Return: none
*
* Description: GLCD controller init
*
*************************************************************************/
void GLCD_Init (void* VRAMBase)
{
// unsigned long i;
// Assign pins
LPC_IOCON->P2_9 = 0x06; // VD3, R0
LPC_IOCON->P2_6 = 0x07; // VD4, R1
LPC_IOCON->P2_7 = 0x07; // VD5, R2
LPC_IOCON->P4_28 = 0x05; // VD6, R3
LPC_IOCON->P4_29 = 0x05; // VD7, R4
LPC_IOCON->P1_20 = 0x07; // VD10, G0
LPC_IOCON->P1_21 = 0x07; // VD11, G1
LPC_IOCON->P1_22 = 0x07; // VD12, G2
LPC_IOCON->P1_23 = 0x07; // VD13, G3
LPC_IOCON->P1_24 = 0x07; // VD14, G4
LPC_IOCON->P1_25 = 0x07; // VD15, G5
LPC_IOCON->P2_13 = 0x07; // VD19, B0
LPC_IOCON->P1_26 = 0x07; // VD20, B1
LPC_IOCON->P1_27 = 0x07; // VD21, B2
LPC_IOCON->P1_28 = 0x07; // VD22, B3
LPC_IOCON->P1_29 = 0x07; // VD23, B4
LPC_IOCON->P2_2 = 0x07; // DCLK
LPC_IOCON->P2_0 = 0x07; // DSIP(power)
LPC_IOCON->P2_5 = 0x07; // HSYNC
LPC_IOCON->P2_3 = 0x07; // VSYNC
LPC_IOCON->P2_4 = 0x07; // DataEn
// LPC_IOCON->P5_4 = 0x00; // Backlight
// >>> debug >>>
// <<< debug <<<
/*Back light enable*/
// LPC_GPIO5->DIR = (1<<4);
// LPC_GPIO5->SET= (5<<4);
//Turn on LCD clock
CLKPWR_ConfigPPWR(CLKPWR_PCONP_PCLCD, ENABLE);
// Disable cursor
LPC_LCD->CRSR_CTRL &=~(1<<0);
// disable GLCD controller
LPC_LCD->CTRL = 0;
// RGB888
LPC_LCD->CTRL &= ~(0x07 <<1);
LPC_LCD->CTRL |= (6<<1);
// TFT panel
LPC_LCD->CTRL |= (1<<5);
// single panel
LPC_LCD->CTRL &= ~(1<<7);
// notmal output
LPC_LCD->CTRL &= ~(1<<8);
// little endian byte order
LPC_LCD->CTRL &= ~(1<<9);
// little endian pix order
LPC_LCD->CTRL &= ~(1<<10);
// disable power
LPC_LCD->CTRL &= ~(1<<11);
// init pixel clock
// g_pSC->LCD_CFG = CLKPWR_GetCLK(CLKPWR_CLKTYPE_PER) / ((unsigned long)C_GLCD_PIX_CLK);
LPC_SC->LCD_CFG = CLKPWR_GetCLK(CLKPWR_CLKTYPE_PER) / ((unsigned long)C_GLCD_PIX_CLK);
// bypass inrenal clk divider
LPC_LCD->POL |=(1<<26);
// clock source for the LCD block is HCLK
LPC_LCD->POL &= ~(1<<5);
// LCDFP pin is active LOW and inactive HIGH
LPC_LCD->POL |= (1<<11);
// LCDLP pin is active LOW and inactive HIGH
LPC_LCD->POL |= (1<<12);
// data is driven out into the LCD on the falling edge
LPC_LCD->POL &= ~(1<<13);
// active high
LPC_LCD->POL &= ~(1<<14);
LPC_LCD->POL &= ~(0x3FF <<16);
LPC_LCD->POL |= (C_GLCD_H_SIZE-1)<<16;
// init Horizontal Timing
LPC_LCD->TIMH = 0; //reset TIMH before set value
LPC_LCD->TIMH |= (C_GLCD_H_BACK_PORCH - 1)<<24;
LPC_LCD->TIMH |= (C_GLCD_H_FRONT_PORCH - 1)<<16;
LPC_LCD->TIMH |= (C_GLCD_H_PULSE - 1)<<8;
LPC_LCD->TIMH |= ((C_GLCD_H_SIZE/16) - 1)<<2;
// init Vertical Timing
LPC_LCD->TIMV = 0; //reset TIMV value before setting
LPC_LCD->TIMV |= (C_GLCD_V_BACK_PORCH)<<24;
LPC_LCD->TIMV |= (C_GLCD_V_FRONT_PORCH)<<16;
LPC_LCD->TIMV |= (C_GLCD_V_PULSE - 1)<<10;
LPC_LCD->TIMV |= C_GLCD_V_SIZE - 1;
// Frame Base Address doubleword aligned
LPC_LCD->UPBASE = (unsigned long)VRAMBase & ~7UL ;
LPC_LCD->LPBASE = (unsigned long)VRAMBase & ~7UL ;
}
/*************************************************************************
* Function Name: GLCD_SetPallet
* Parameters: const unsigned long * pPallete
*
* Return: none
*
* Description: GLCD init colour pallete
*
*************************************************************************/
void GLCD_SetPallet (const unsigned long * pPallete)
{
unsigned long i;
unsigned long * pDst = (unsigned long *)LPC_LCD->PAL;
// //assert(pPallete);
for (i = 0; i < 128; i++)
{
*pDst++ = *pPallete++;
}
}
/*************************************************************************
* Function Name: GLCD_Ctrl
* Parameters: Bool bEna
*
* Return: none
*
* Description: GLCD enable disabe sequence
*
*************************************************************************/
void GLCD_Ctrl (Bool bEna)
{
volatile unsigned long i;
if (bEna)
{
// LCD_CTRL_bit.LcdEn = 1;
LPC_LCD->CTRL |= (1<<0);
for(i = C_GLCD_PWR_ENA_DIS_DLY; i; i--);
// LCD_CTRL_bit.LcdPwr= 1; // enable power
LPC_LCD->CTRL |= (1<<11);
}
else
{
// LCD_CTRL_bit.LcdPwr= 0; // disable power
LPC_LCD->CTRL &= ~(1<<11);
for(i = C_GLCD_PWR_ENA_DIS_DLY; i; i--);
// LCD_CTRL_bit.LcdEn = 0;
LPC_LCD->CTRL &= ~(1<<0);
}
}
/*************************************************************************
* Function Name: GLCD_SetFont
* Parameters: pFontType_t pFont, LdcPixel_t Color
* LdcPixel_t BackgndColor
*
* Return: none
*
* Description: Set current font, font color and background color
*
*************************************************************************/
void GLCD_SetFont(pFontType_t pFont, LdcPixel_t Color, LdcPixel_t BackgndColor)
{
pCurrFont = pFont;
TextColour = Color;
TextBackgndColour = BackgndColor;
}
/*************************************************************************
* Function Name: GLCD_SetWindow
* Parameters: unsigned long X_Left, unsigned long Y_Up,
* unsigned long X_Right, unsigned long Y_Down
*
* Return: none
*
* Description: Set draw window XY coordinate in pixels
*
*************************************************************************/
void GLCD_SetWindow(unsigned long X_Left, unsigned long Y_Up,
unsigned long X_Right, unsigned long Y_Down)
{
// //assert(X_Right < C_GLCD_H_SIZE);
// //assert(Y_Down < C_GLCD_V_SIZE);
// //assert(X_Left < X_Right);
//assert(Y_Up < Y_Down);
XL_Win = X_Left;
YU_Win = Y_Up;
XR_Win = X_Right;
YD_Win = Y_Down;
}
/*************************************************************************
* Function Name: GLCD_TextSetPos
* Parameters: unsigned long X_UpLeft, unsigned long Y_UpLeft,
* unsigned long X_DownLeft, unsigned long Y_DownLeft
*
* Return: none
*
* Description: Set text X,Y coordinate in characters
*
*************************************************************************/
void GLCD_TextSetPos(unsigned long X, unsigned long Y)
{
TextX_Pos = X;
TextY_Pos = Y;
}
/*************************************************************************
* Function Name: GLCD_TextSetTabSize
* Parameters: unsigned long Size
*
* Return: none
*
* Description: Set text tab size in characters
*
*************************************************************************/
void GLCD_TextSetTabSize(unsigned long Size)
{
TabSize = Size;
}
/*************************************************************************
* Function Name: LCD_SET_WINDOW
* Parameters: int c
*
* Return: none
*
* Description: Put char function
*
*************************************************************************/
static
void LCD_SET_WINDOW (unsigned long X_Left, unsigned long X_Right,
unsigned long Y_Up, unsigned long Y_Down)
{
pPix = pWind = ((unsigned long *)LCD_VRAM_BASE_ADDR) + X_Left + (Y_Up*C_GLCD_H_SIZE);
WindX_Size = X_Right - X_Left;
WindY_Size = Y_Down - Y_Up;
CurrX_Size = CurrY_Size = 0;
}
/*************************************************************************
* Function Name: LCD_SET_WINDOW
* Parameters: int c
*
* Return: none
*
* Description: Put char function
*
*************************************************************************/
static
void LCD_WRITE_PIXEL (unsigned long Pixel)
{
*pPix++ = Pixel;
if (++CurrX_Size > WindX_Size)
{
CurrX_Size = 0;
if(++CurrY_Size > WindY_Size)
{
CurrY_Size = 0;
}
pPix = pWind + CurrY_Size * C_GLCD_H_SIZE;
}
}
/*************************************************************************
* Function Name: GLCD_TextCalcWindow
* Parameters: unsigned long * pXL, unsigned long * pXR,
* unsigned long * pYU, unsigned long * pYD,
* unsigned long * pH_Size, unsigned long * pV_Size
*
* Return: Bool
* FALSE - out of window coordinate aren't valid
* TRUE - the returned coordinate are valid
*
* Description: Calculate character window
*
*************************************************************************/
static
Bool GLCD_TextCalcWindow (unsigned long * pXL, unsigned long * pXR,
unsigned long * pYU, unsigned long * pYD,
unsigned long * pH_Size, unsigned long * pV_Size)
{
*pH_Size = pCurrFont->H_Size;
*pV_Size = pCurrFont->V_Size;
*pXL = XL_Win + (TextX_Pos*pCurrFont->H_Size);
if(*pXL > XR_Win)
{
return(FALSE);
}
*pYU = YU_Win + (TextY_Pos*pCurrFont->V_Size);
if(*pYU > YD_Win)
{
return(FALSE);
}
*pXR = XL_Win + ((TextX_Pos+1)*pCurrFont->H_Size) - 1;
if(*pXR > XR_Win)
{
*pH_Size -= *pXR - XR_Win;
*pXR = XR_Win;
}
*pYD = YU_Win + ((TextY_Pos+1)*pCurrFont->V_Size) - 1;
if(*pYD > YD_Win)
{
*pV_Size -= *pYD - YD_Win;
*pYD = YD_Win;
}
return(TRUE);
}
/*************************************************************************
* Function Name: putchar
* Parameters: int c
*
* Return: none
*
* Description: Put char function
*
*************************************************************************/
int _putchar (int c)
{
uint8_t *pSrc;
unsigned long H_Line;
unsigned long xl,xr,yu,yd,Temp,V_Size, H_Size, SrcInc = 1;
unsigned long WhiteSpaceNumb;
unsigned long i, j, k;
if(pCurrFont == NULL)
{
return(EOF);
}
H_Line = (pCurrFont->H_Size / 8) + ((pCurrFont->H_Size % 8)?1:0);
switch(c)
{
case '\n': // go to begin of next line (NewLine)
++TextY_Pos;
break;
case '\r': // go to begin of this line (Carriage Return)
// clear from current position to end of line
while(GLCD_TextCalcWindow(&xl,&xr,&yu,&yd,&H_Size,&V_Size))
{
LCD_SET_WINDOW(xl,xr,yu,yd);
for(i = 0; i < V_Size; ++i)
{
for(j = 0; j < H_Size; ++j)
{
LCD_WRITE_PIXEL(TextBackgndColour);
}
}
++TextX_Pos;
}
TextX_Pos = 0;
break;
case '\b': // go back one position (BackSpace)
if(TextX_Pos)
{
--TextX_Pos;
// del current position
if(GLCD_TextCalcWindow(&xl,&xr,&yu,&yd,&H_Size,&V_Size))
{
LCD_SET_WINDOW(xl,xr,yu,yd);
for(i = 0; i < V_Size; ++i)
{
for(j = 0; j < H_Size; ++j)
{
LCD_WRITE_PIXEL(TextBackgndColour);
}
}
}
}
break;
case '\t': // go to next Horizontal Tab stop
WhiteSpaceNumb = TabSize - (TextX_Pos%TabSize);
for(k = 0; k < WhiteSpaceNumb; ++k)
{
LCD_SET_WINDOW(xl,xr,yu,yd);
if(GLCD_TextCalcWindow(&xl,&xr,&yu,&yd,&H_Size,&V_Size))
{
for(i = 0; i < V_Size; ++i)
{
for(j = 0; j < H_Size; ++j)
{
LCD_WRITE_PIXEL(TextBackgndColour);
}
}
++TextX_Pos;
}
else
{
break;
}
}
break;
case '\f': // go to top of page (Form Feed)
// clear entire window
H_Size = XR_Win - XL_Win;
V_Size = YD_Win - YU_Win;
// set character window X left, Y right
LCD_SET_WINDOW(XL_Win,XR_Win,YU_Win,YD_Win);
// Fill window with background font color
for(i = 0; i <= V_Size; ++i)
{
for(j = 0; j <= H_Size; ++j)
{
LCD_WRITE_PIXEL(TextBackgndColour);
}
}
TextX_Pos = TextY_Pos = 0;
break;
case '\a': // signal an alert (BELl)
TEXT_BEL1_FUNC();
break;
default:
// Calculate the current character base address from stream
// and the character position
if((c < pCurrFont->CharacterOffset) &&
(c >= pCurrFont->CharactersNuber))
{
c = 0;
}
else
{
c -= pCurrFont->CharacterOffset;
}
pSrc = pCurrFont->pFontStream + (H_Line * pCurrFont->V_Size * c);
// Calculate character window and fit it in the text window
if(GLCD_TextCalcWindow(&xl,&xr,&yu,&yd,&H_Size,&V_Size))
{
// set character window X left, Y right
LCD_SET_WINDOW(xl,xr,yu,yd);
// Send char data
for(i = 0; i < V_Size; ++i)
{
SrcInc = H_Line;
for(j = 0; j < H_Size; ++j)
{
Temp = (*pSrc & (1UL << (j&0x7)))?TextColour:TextBackgndColour;
LCD_WRITE_PIXEL(Temp);
if((j&0x7) == 7)
{
++pSrc;
--SrcInc;
}
}
// next line of character
pSrc += SrcInc;
}
}
++TextX_Pos;
}
return(c);
}
/*************************************************************************
* Function Name: GLCD_LoadPic
* Parameters: unsigned long X_Left, unsigned long Y_Up, Bmp_t * pBmp
*
* Return: none
*
* Description: Load picture in VRAM memory area
*
*************************************************************************/
void GLCD_LoadPic (unsigned long X_Left, unsigned long Y_Up, Bmp_t * pBmp, unsigned long Mask)
{
unsigned long i, j;
unsigned long * pData = ((unsigned long *) LCD_VRAM_BASE_ADDR) + X_Left + (Y_Up * C_GLCD_H_SIZE);
unsigned long * pSrc = pBmp->pPicStream;
unsigned long X_LeftHold;
for(i = 0; i < pBmp->V_Size; i++)
{
if(Y_Up++ >= C_GLCD_V_SIZE)
{
break;
}
for(j = 0; j < pBmp->H_Size; j++)
{
if(X_LeftHold++ >= C_GLCD_H_SIZE)
{
pSrc += pBmp->H_Size - j;
break;
}
*(pData+j) = *pSrc++ ^ Mask;
}
X_LeftHold = X_Left;
pData += C_GLCD_H_SIZE;
}
}
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