/* * 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 */ /** * @addtogroup mini2440 */ /*@{*/ #include #include #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 800480 #define LCD_XSIZE_TFT_800480 (800) #define LCD_YSIZE_TFT_800480 (480) #define SCR_XSIZE_TFT_800480 (800) #define SCR_YSIZE_TFT_800480 (480) //TFT 800480 #define HOZVAL_TFT_800480 (LCD_XSIZE_TFT_800480-1) #define LINEVAL_TFT_800480 (LCD_YSIZE_TFT_800480-1) //Timing parameter for innolux 7" AT070TN84 #define VBPD_800480 (25) //垂直同步信号的后肩 #define VFPD_800480 (5) //垂直同步信号的前肩 #define VSPW_800480 (1) //垂直同步信号的脉宽 #define HBPD_800480 (15)//67 //水平同步信号的后肩 #define HFPD_800480 (40) //水平同步信号的前肩 #define HSPW_800480 (31) //水平同步信号的脉宽 #define CLKVAL_TFT_800480 (4) #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_800480 #define RT_HW_LCD_HEIGHT SCR_YSIZE_TFT_800480 #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(CLKVAL_TFT_800480) #define LCDCON2_VALUE S3C2410_LCDCON2_VBPD(VBPD_800480) | \ S3C2410_LCDCON2_LINEVAL(LINEVAL_TFT_800480) | \ S3C2410_LCDCON2_VFPD(VFPD_800480) | \ S3C2410_LCDCON2_VSPW(VSPW_800480) #define LCDCON3_VALUE S3C2410_LCDCON3_HBPD(HBPD_800480) | \ S3C2410_LCDCON3_HOZVAL(HOZVAL_TFT_800480) | \ S3C2410_LCDCON3_HFPD(HFPD_800480) #define LCDCON4_VALUE S3C2410_LCDCON4_MVAL(MVAL) | \ S3C2410_LCDCON4_HSPW(HSPW_800480) #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设置为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) ; } 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); } #ifdef RT_USING_RTGUI #include #include void rt_hw_lcd_update(rtgui_rect_t* rect) { /* nothing */ } rt_uint8_t * rt_hw_lcd_get_framebuffer(void) { return (rt_uint8_t *)_rt_hw_framebuffer; } void rt_hw_lcd_set_pixel(rtgui_color_t *c, rt_base_t x, rt_base_t y) { if (x < SCR_XSIZE_TFT_800480 && y < SCR_YSIZE_TFT_800480) { _rt_hw_framebuffer[(y)][(x)] = color2index565(*c); } } void rt_hw_lcd_get_pixel(rtgui_color_t *c, rt_base_t x, rt_base_t y) { return ; } void rt_hw_lcd_draw_hline(rtgui_color_t *c, rt_base_t x1, rt_base_t x2, rt_base_t y) { rt_uint32_t idx; rt_uint16_t color; color = color2index565(*c); for (idx = x1; idx < x2; idx ++) { _rt_hw_framebuffer[y][idx] = color; } } void rt_hw_lcd_draw_vline(rtgui_color_t *c, rt_base_t x, rt_base_t y1, rt_base_t y2) { rt_uint32_t idy; rt_uint16_t color; color = color2index565(*c); for (idy = y1; idy < y2; idy ++) { _rt_hw_framebuffer[idy][x] = color; } } struct rtgui_graphic_driver _rtgui_lcd_driver = { "lcd", 2, 800, 480, rt_hw_lcd_update, rt_hw_lcd_get_framebuffer, rt_hw_lcd_set_pixel, rt_hw_lcd_get_pixel, rt_hw_lcd_draw_hline, rt_hw_lcd_draw_vline }; #include "finsh.h" void hline(rt_uint32_t c, int x1, int x2, int y) { rtgui_color_t color = (rtgui_color_t)c; rt_hw_lcd_draw_hline(&color, x1, x2, y); } void vline(rt_uint32_t c, int x, int y1, int y2) { rtgui_color_t color = (rtgui_color_t)c; rt_hw_lcd_draw_vline(&color, x, y1, y2); } void dump_vline(int x, int y1, int y2) { rt_uint32_t idy; for (idy = y1; idy < y2; idy ++) { rt_kprintf("0x%04x ", _rt_hw_framebuffer[idy][x]); if ((idy + 1) % 8 == 0) rt_kprintf("\n"); } rt_kprintf("\n"); } void rt_hw_lcd_init(void) { int x,y; GPB1_TO_OUT(); GPB1_TO_1(); GPCUP = 0x00000000; GPCCON = 0xaaaa02a9; GPDUP = 0x00000000; GPDCON = 0xaaaaaaaa; 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_800480*LCD_YSIZE_TFT_800480*2))>>1 ); LCDSADDR3=(((SCR_XSIZE_TFT_800480-LCD_XSIZE_TFT_800480)/1)<<11)|(LCD_XSIZE_TFT_800480/1); LCDINTMSK|=(3); LPCSEL &= (~7) ; TPAL=0; LcdBkLtSet( 70 ) ; lcd_power_enable(0, 1); lcd_envid_on_off(1); /* clear framebuffer */ /* memset((void *)_rt_hw_framebuffer, 0, LCD_XSIZE_TFT_800480*LCD_YSIZE_TFT_800480*2); */ for(y = 0; y < 480; y ++) for(x = 0; x < 800; x++) _rt_hw_framebuffer[y][x]=0x00FF00; /* add lcd driver into graphic driver */ rtgui_graphic_driver_add(&_rtgui_lcd_driver); /* finsh debug */ finsh_syscall_append("vline", (syscall_func)vline); finsh_syscall_append("hline", (syscall_func)hline); finsh_syscall_append("dump_vline", (syscall_func)dump_vline); /* extern void rtgui_topwin_dump(); finsh_syscall_append("wins", (syscall_func)rtgui_topwin_dump); */ } #endif /*@}*/