/* * 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 #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 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) //垂直同步信号的后肩 #define VFPD_240320 (5) //垂直同步信号的前肩 #define VSPW_240320 (1) //垂直同步信号的脉宽 #define HBPD_240320 (36) //水平同步信号的后肩 #define HFPD_240320 (19) //水平同步信号的前肩 #define HSPW_240320 (5) //水平同步信号的脉宽 #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) ; } #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_240320 && y < SCR_YSIZE_TFT_240320) { _rt_hw_framebuffer[(y)][(x)] = rtgui_color_to_565p(*c); } } void rt_hw_lcd_get_pixel(rtgui_color_t *c, rt_base_t x, rt_base_t y) { if (x < SCR_XSIZE_TFT_240320 && y < SCR_YSIZE_TFT_240320) { *c = rtgui_color_from_565p(_rt_hw_framebuffer[(y)][(x)]); } 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; /* get color pixel */ color = rtgui_color_to_565p(*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; /* get color pixel */ color = rtgui_color_to_565p(*c); for (idy = y1; idy < y2; idy ++) { _rt_hw_framebuffer[idy][x] = color; } } void rt_hw_lcd_draw_raw_hline(rt_uint8_t *pixels, rt_base_t x1, rt_base_t x2, rt_base_t y) { rt_memcpy((void*)&_rt_hw_framebuffer[y][x1], pixels, (x2 - x1) * 2); } struct rtgui_graphic_driver _rtgui_lcd_driver = { "lcd", 2, 240, 320, 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, rt_hw_lcd_draw_raw_hline }; #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); } FINSH_FUNCTION_EXPORT(hline, draw a hline); 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); } FINSH_FUNCTION_EXPORT(vline, draw a vline); void clear() { int y; for (y = 0; y < 320; y ++) { rt_hw_lcd_draw_hline((rtgui_color_t*)&white, 0, 239, y); } } FINSH_FUNCTION_EXPORT(clear, clear screen); void rt_hw_lcd_init() { 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_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); /* add lcd driver into graphic driver */ rtgui_graphic_driver_add(&_rtgui_lcd_driver); } #endif