?? lcd.c
字號:
/*
* File : lcd.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006, RT-Thread Develop Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://openlab.rt-thread.com/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2007-11-17 Yi.Qiu
*/
#include <rtthread.h>
#include <s3c2410.h>
#define MVAL (13)
#define MVAL_USED (0) //0=each frame 1=rate by MVAL
#define INVVDEN (1) //0=normal 1=inverted
#define BSWP (0) //Byte swap control
#define HWSWP (1) //Half word swap control
#define M5D(n) ((n) & 0x1fffff) // To get lower 21bits
//TFT 240320
#define LCD_XSIZE_TFT_240320 (240)
#define LCD_YSIZE_TFT_240320 (320)
#define SCR_XSIZE_TFT_240320 (240)
#define SCR_YSIZE_TFT_240320 (320)
//TFT 240320
#define HOZVAL_TFT_240320 (LCD_XSIZE_TFT_240320-1)
#define LINEVAL_TFT_240320 (LCD_YSIZE_TFT_240320-1)
//Timing parameter for NEC3.5"
#define VBPD_240320 (1) //垂直同步信號的后肩
#define VFPD_240320 (5) //垂直同步信號的前肩
#define VSPW_240320 (1) //垂直同步信號的脈寬
#define HBPD_240320 (36) //水平同步信號的后肩
#define HFPD_240320 (19) //水平同步信號的前肩
#define HSPW_240320 (5) //水平同步信號的脈寬
#define CLKVAL_TFT_240320 (2)
#define GPB1_TO_OUT() (GPBUP &= 0xfffd, GPBCON &= 0xfffffff3, GPBCON |= 0x00000004)
#define GPB1_TO_1() (GPBDAT |= 0x0002)
#define GPB1_TO_0() (GPBDAT &= 0xfffd)
#define RT_HW_LCD_WIDTH LCD_XSIZE_TFT_240320
#define RT_HW_LCD_HEIGHT SCR_YSIZE_TFT_240320
#define S3C2410_LCDCON1_CLKVAL(x) ((x) << 8)
#define S3C2410_LCDCON1_MMODE (1<<7)
#define S3C2410_LCDCON1_DSCAN4 (0<<5)
#define S3C2410_LCDCON1_STN4 (1<<5)
#define S3C2410_LCDCON1_STN8 (2<<5)
#define S3C2410_LCDCON1_TFT (3<<5)
#define S3C2410_LCDCON1_STN1BPP (0<<1)
#define S3C2410_LCDCON1_STN2GREY (1<<1)
#define S3C2410_LCDCON1_STN4GREY (2<<1)
#define S3C2410_LCDCON1_STN8BPP (3<<1)
#define S3C2410_LCDCON1_STN12BPP (4<<1)
#define S3C2410_LCDCON1_TFT1BPP (8<<1)
#define S3C2410_LCDCON1_TFT2BPP (9<<1)
#define S3C2410_LCDCON1_TFT4BPP (10<<1)
#define S3C2410_LCDCON1_TFT8BPP (11<<1)
#define S3C2410_LCDCON1_TFT16BPP (12<<1)
#define S3C2410_LCDCON1_TFT24BPP (13<<1)
#define S3C2410_LCDCON1_ENVID (1)
#define S3C2410_LCDCON1_MODEMASK 0x1E
#define S3C2410_LCDCON2_VBPD(x) ((x) << 24)
#define S3C2410_LCDCON2_LINEVAL(x) ((x) << 14)
#define S3C2410_LCDCON2_VFPD(x) ((x) << 6)
#define S3C2410_LCDCON2_VSPW(x) ((x) << 0)
#define S3C2410_LCDCON2_GET_VBPD(x) ( ((x) >> 24) & 0xFF)
#define S3C2410_LCDCON2_GET_VFPD(x) ( ((x) >> 6) & 0xFF)
#define S3C2410_LCDCON2_GET_VSPW(x) ( ((x) >> 0) & 0x3F)
#define S3C2410_LCDCON3_HBPD(x) ((x) << 19)
#define S3C2410_LCDCON3_WDLY(x) ((x) << 19)
#define S3C2410_LCDCON3_HOZVAL(x) ((x) << 8)
#define S3C2410_LCDCON3_HFPD(x) ((x) << 0)
#define S3C2410_LCDCON3_LINEBLANK(x)((x) << 0)
#define S3C2410_LCDCON3_GET_HBPD(x) ( ((x) >> 19) & 0x7F)
#define S3C2410_LCDCON3_GET_HFPD(x) ( ((x) >> 0) & 0xFF)
#define S3C2410_LCDCON4_MVAL(x) ((x) << 8)
#define S3C2410_LCDCON4_HSPW(x) ((x) << 0)
#define S3C2410_LCDCON4_WLH(x) ((x) << 0)
#define S3C2410_LCDCON4_GET_HSPW(x) ( ((x) >> 0) & 0xFF)
#define S3C2410_LCDCON5_BPP24BL (1<<12)
#define S3C2410_LCDCON5_FRM565 (1<<11)
#define S3C2410_LCDCON5_INVVCLK (1<<10)
#define S3C2410_LCDCON5_INVVLINE (1<<9)
#define S3C2410_LCDCON5_INVVFRAME (1<<8)
#define S3C2410_LCDCON5_INVVD (1<<7)
#define S3C2410_LCDCON5_INVVDEN (1<<6)
#define S3C2410_LCDCON5_INVPWREN (1<<5)
#define S3C2410_LCDCON5_INVLEND (1<<4)
#define S3C2410_LCDCON5_PWREN (1<<3)
#define S3C2410_LCDCON5_ENLEND (1<<2)
#define S3C2410_LCDCON5_BSWP (1<<1)
#define S3C2410_LCDCON5_HWSWP (1<<0)
#define LCDCON1_VALUE S3C2410_LCDCON1_TFT16BPP | \
S3C2410_LCDCON1_TFT | \
S3C2410_LCDCON1_CLKVAL(0x04)
#define LCDCON2_VALUE S3C2410_LCDCON2_VBPD(1) | \
S3C2410_LCDCON2_LINEVAL(319) | \
S3C2410_LCDCON2_VFPD(5) | \
S3C2410_LCDCON2_VSPW(1)
#define LCDCON3_VALUE S3C2410_LCDCON3_HBPD(36) | \
S3C2410_LCDCON3_HOZVAL(239) | \
S3C2410_LCDCON3_HFPD(19)
#define LCDCON4_VALUE S3C2410_LCDCON4_MVAL(13) | \
S3C2410_LCDCON4_HSPW(5)
#define LCDCON5_VALUE S3C2410_LCDCON5_FRM565 | \
S3C2410_LCDCON5_INVVLINE | \
S3C2410_LCDCON5_INVVFRAME | \
S3C2410_LCDCON5_PWREN | \
S3C2410_LCDCON5_HWSWP
#define S3C2410_LCDINT_FRSYNC (1<<1)
volatile rt_uint16_t _rt_hw_framebuffer[RT_HW_LCD_HEIGHT][RT_HW_LCD_WIDTH];
void lcd_power_enable(int invpwren,int pwren)
{
/* GPG4 is setted as LCD_PWREN */
GPGUP=(GPGUP&(~(1<<4)))|(1<<4); /* Pull-up disable */
GPGCON=(GPGCON&(~(3<<8)))|(3<<8); /* GPG4=LCD_PWREN */
GPGDAT = GPGDAT | (1<<4) ;
/* Enable LCD POWER ENABLE Function */
LCDCON5=(LCDCON5&(~(1<<3)))|(pwren<<3); /* PWREN */
LCDCON5=(LCDCON5&(~(1<<5)))|(invpwren<<5); /* INVPWREN */
}
void lcd_envid_on_off(int onoff)
{
if(onoff==1)
/*ENVID=ON*/
LCDCON1|=1;
else
/*ENVID Off*/
LCDCON1 =LCDCON1 & 0x3fffe;
}
//********************** BOARD LCD backlight ****************************
void LcdBkLtSet(rt_uint32_t HiRatio)
{
#define FREQ_PWM1 1000
if(!HiRatio)
{
GPBCON = GPBCON & (~(3<<2)) | (1<<2) ; //GPB1設(shè)置為output
GPBDAT &= ~(1<<1);
return;
}
GPBCON = GPBCON & (~(3<<2)) | (2<<2) ;
if( HiRatio > 100 )
HiRatio = 100 ;
TCON = TCON & (~(0xf<<8)) ; // clear manual update bit, stop Timer1
TCFG0 &= 0xffffff00; // set Timer 0&1 prescaler 0
TCFG0 |= 15; //prescaler = 15+1
TCFG1 &= 0xffffff0f; // set Timer 1 MUX 1/16
TCFG1 |= 0x00000030; // set Timer 1 MUX 1/16
TCNTB1 = ( 100000000>>8 )/FREQ_PWM1; //if set inverter off, when TCNT2<=TCMP2, TOUT is high, TCNT2>TCMP2, TOUT is low
TCMPB1 = ( TCNTB1*(100-HiRatio))/100 ; //if set inverter on, when TCNT2<=TCMP2, TOUT is low, TCNT2>TCMP2, TOUT is high
TCON = TCON & (~(0xf<<8)) | (0x0e<<8) ;
TCON = TCON & (~(0xf<<8)) | (0x0d<<8) ;
}
void rt_hw_lcd_init()
{
GPB1_TO_OUT();
GPB1_TO_1();
GPCUP = 0x00000000;
GPCCON = 0xaaaa02a9;
GPDUP = 0x00000000;
GPDCON = 0xaaaaaaaa;
#if 0
LCDCON1 = (CLKVAL_TFT_240320<<8)|(MVAL_USED<<7)|(3<<5)|(12<<1)|0;
LCDCON2 = (VBPD_240320<<24)|(LINEVAL_TFT_240320<<14)|(VFPD_240320<<6)|(VSPW_240320);
LCDCON3 = (HBPD_240320<<19)|(HOZVAL_TFT_240320<<8)|(HFPD_240320);
LCDCON4 = (MVAL<<8)|(HSPW_240320);
LCDCON5 = (1<<11) | (1<<10) | (1<<9) | (1<<8) | (0<<7) | (0<<6)
| (1<<3) |(BSWP<<1) | (HWSWP);
#endif
LCDCON1 = LCDCON1_VALUE;
LCDCON2 = LCDCON2_VALUE;
LCDCON3 = LCDCON3_VALUE;
LCDCON4 = LCDCON4_VALUE;
LCDCON5 = LCDCON5_VALUE;
LCDSADDR1=(((rt_uint32_t)_rt_hw_framebuffer>>22)<<21)|M5D((rt_uint32_t)_rt_hw_framebuffer>>1);
LCDSADDR2=M5D( ((rt_uint32_t)_rt_hw_framebuffer+(SCR_XSIZE_TFT_240320*LCD_YSIZE_TFT_240320*2))>>1 );
LCDSADDR3=(((SCR_XSIZE_TFT_240320-LCD_XSIZE_TFT_240320)/1)<<11)|(LCD_XSIZE_TFT_240320/1);
LCDINTMSK|=(3);
LPCSEL &= (~7) ;
TPAL=0;
LcdBkLtSet( 70 ) ;
lcd_power_enable(0, 1);
lcd_envid_on_off(1);
}
rt_uint16_t color2index565(rt_uint32_t color)
{
int r,g,b;
r = (color>> (0+3)) & 0x1f;
g = (color>> (8+2)) & 0x3f;
b = (color>>(16+3)) & 0x1f;
return (rt_uint16_t)(b+(g<<5)+(r<<11));
}
rt_uint32_t index2color565(int index)
{
unsigned int r,g,b;
r = index & 0x1f;
g = (index>>5) & 0x3f;
b = ((unsigned)index >> 11) & 0x1f;
r = r * 255 / 31;
g = g * 255 / 63;
b = b * 255 / 31;
return r + (g<<8) + (((rt_uint32_t)b)<<16);
}
void rt_hw_lcd_draw_pixel(int x, int y, rt_uint32_t p)
{
if (x < SCR_XSIZE_TFT_240320 && y < SCR_YSIZE_TFT_240320)
{
_rt_hw_framebuffer[(y)][(x)] = color2index565(p);
}
}
void rt_hw_lcd_draw_hline(int x1, int x2, int y, rt_uint32_t p)
{
rt_uint32_t idx;
rt_uint16_t color;
color = color2index565(p);
for (idx = x1; idx < x2; idx ++)
{
_rt_hw_framebuffer[y][idx] = color;
}
}
void rt_hw_lcd_draw_vline(int x, int y1, int y2, rt_uint32_t p)
{
rt_uint32_t idy;
rt_uint16_t color;
color = color2index565(p);
for (idy = y1; idy < y2; idy ++)
{
_rt_hw_framebuffer[idy][x] = color;
}
}
void rt_hw_lcd_update()
{
return;
}
?? 快捷鍵說明
復(fù)制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -