/* * File : lcd_t35.c * This file is part of RT-Thread RTOS * COPYRIGHT (C) 2010, 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://www.rt-thread.org/license/LICENSE * * Change Logs: * Date Author Notes * 2010-01-01 bernard first version from QiuYi's driver */ #include #include #include "lcd.h" /* LCD driver for T3'5 */ #define LCD_WIDTH 240 #define LCD_HEIGHT 320 #define LCD_PIXCLOCK 4 #define LCD_RIGHT_MARGIN 25 #define LCD_LEFT_MARGIN 0 #define LCD_HSYNC_LEN 4 #define LCD_UPPER_MARGIN 1 #define LCD_LOWER_MARGIN 4 #define LCD_VSYNC_LEN 1 #define LCD_XSIZE LCD_WIDTH #define LCD_YSIZE LCD_HEIGHT #define SCR_XSIZE LCD_WIDTH #define SCR_YSIZE LCD_HEIGHT #define RT_HW_LCD_WIDTH LCD_WIDTH #define RT_HW_LCD_HEIGHT LCD_HEIGHT #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 GPB1_TO_OUT() (GPBUP &= 0xfffd, GPBCON &= 0xfffffff3, GPBCON |= 0x00000004) #define GPB1_TO_1() (GPBDAT |= 0x0002) #define GPB1_TO_0() (GPBDAT &= 0xfffd) #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 S3C2410_LCDINT_FRSYNC (1<<1) volatile rt_uint16_t _rt_framebuffer[RT_HW_LCD_HEIGHT][RT_HW_LCD_WIDTH]; volatile rt_uint16_t _rt_hw_framebuffer[RT_HW_LCD_HEIGHT][RT_HW_LCD_WIDTH]; struct rtgui_lcd_device { struct rt_device parent; /* byte per pixel */ rt_uint16_t byte_per_pixel; /* screen width and height */ rt_uint16_t width; rt_uint16_t height; void* hw_framebuffer; }; static struct rtgui_lcd_device *lcd = RT_NULL; static void lcd_power_enable(int invpwren, int pwren) { //GPG4 is setted as LCD_PWREN GPGUP = GPGUP | (1<<4); // Pull-up disable GPGCON = GPGCON | (3<<8); //GPG4=LCD_PWREN //Enable LCD POWER ENABLE Function LCDCON5 = LCDCON5&(~(1<<3))|(pwren<<3); // PWREN LCDCON5 = LCDCON5&(~(1<<5))|(invpwren<<5); // INVPWREN } static void lcd_envid_on_off(int onoff) { if(onoff==1) /*ENVID=ON*/ LCDCON1|=1; else /*ENVID Off*/ LCDCON1 =LCDCON1 & 0x3fffe; } //********************** BOARD LCD backlight **************************** static void LcdBkLtSet(rt_uint32_t HiRatio) { #define FREQ_PWM1 1000 if(!HiRatio) { GPBCON = GPBCON & (~(3<<2)) | (1<<2) ; //GPB1ÉèÖÃΪoutput 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 static void rt_hw_lcd_update(rtgui_rect_t *rect) { rt_uint32_t i, j; for (i = rect->y1; i < rect->y2; i ++) { for(j = rect->x1; j < rect->x2; j++) _rt_hw_framebuffer[i][j] = _rt_framebuffer[i][j]; } } static rt_uint8_t * rt_hw_lcd_get_framebuffer(void) { return (rt_uint8_t *)_rt_framebuffer; } static void rt_hw_lcd_set_pixel(rtgui_color_t *c, rt_base_t x, rt_base_t y) { if (x < RT_HW_LCD_WIDTH && y < RT_HW_LCD_HEIGHT) { _rt_framebuffer[(y)][(x)] = rtgui_color_to_565p(*c); } } static void rt_hw_lcd_get_pixel(rtgui_color_t *c, rt_base_t x, rt_base_t y) { if (x < RT_HW_LCD_WIDTH && y < RT_HW_LCD_HEIGHT) { *c = rtgui_color_from_565p(_rt_framebuffer[(y)][(x)]); } } static 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_framebuffer[y][idx] = color; } } static 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_framebuffer[idy][x] = color; } } static 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_framebuffer[y][x1], pixels, (x2 - x1) * 2); } struct rtgui_graphic_driver _rtgui_lcd_driver = { "lcd", 2, RT_HW_LCD_WIDTH, RT_HW_LCD_HEIGHT, 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 < LCD_HEIGHT; y ++) { rt_hw_lcd_draw_hline((rtgui_color_t*)&white, 0, LCD_WIDTH, y); } } FINSH_FUNCTION_EXPORT(clear, clear screen); #endif /* RT-Thread Device Interface */ static rt_err_t rt_lcd_init (rt_device_t dev) { GPB1_TO_OUT(); GPB1_TO_1(); GPCUP = 0x00000000; GPCCON = 0xaaaa02a9; GPDUP = 0x00000000; GPDCON = 0xaaaaaaaa; #define M5D(n) ((n)&0x1fffff) #define LCD_ADDR ((rt_uint32_t)_rt_framebuffer) LCDCON1 = (LCD_PIXCLOCK << 8) | (3 << 5) | (12 << 1); LCDCON2 = (LCD_UPPER_MARGIN << 24) | ((LCD_HEIGHT - 1) << 14) | (LCD_LOWER_MARGIN << 6) | (LCD_VSYNC_LEN << 0); LCDCON3 = (LCD_RIGHT_MARGIN << 19) | ((LCD_WIDTH - 1) << 8) | (LCD_LEFT_MARGIN << 0); LCDCON4 = (13 << 8) | (LCD_HSYNC_LEN << 0); #if !defined(LCD_CON5) #define LCD_CON5 ((1<<11) | (1 << 9) | (1 << 8) | (1 << 3) | (1 << 0)) #endif LCDCON5 = LCD_CON5; LCDSADDR1 = ((LCD_ADDR >> 22) << 21) | ((M5D(LCD_ADDR >> 1)) << 0); LCDSADDR2 = M5D((LCD_ADDR + LCD_WIDTH * LCD_HEIGHT * 2) >> 1); LCDSADDR3 = LCD_WIDTH; LCDINTMSK |= (3); LPCSEL &= (~7) ; TPAL=0; LcdBkLtSet(70) ; lcd_power_enable(0, 1); lcd_envid_on_off(1); return RT_EOK; } static rt_err_t rt_lcd_control (rt_device_t dev, rt_uint8_t cmd, void *args) { switch (cmd) { case RT_DEVICE_CTRL_LCD_GET_WIDTH: *((rt_uint16_t*)args) = lcd->width; break; case RT_DEVICE_CTRL_LCD_GET_HEIGHT: *((rt_uint16_t*)args) = lcd->height; break; case RT_DEVICE_CTRL_LCD_GET_BPP: *((rt_uint16_t*)args) = lcd->byte_per_pixel; break; case RT_DEVICE_CTRL_LCD_GET_FRAMEBUFFER: *((rt_uint16_t*)args) = lcd->hw_framebuffer; break; } return RT_EOK; } static rt_err_t rt_lcd_open(rt_device_t dev, rt_uint16_t oflag) { RT_ASSERT(dev != RT_NULL); return RT_EOK; } static rt_err_t rt_lcd_close(rt_device_t dev) { RT_ASSERT(dev != RT_NULL); return RT_EOK; } void rt_hw_lcd_init(void) { lcd = (struct rtgui_lcd_device*)rt_malloc(sizeof(struct rtgui_lcd_device)); if (lcd == RT_NULL) return; /* no memory yet */ /* init device structure */ lcd->parent.type = RT_Device_Class_Unknown; lcd->parent.init = rt_lcd_init; lcd->parent.open = rt_lcd_open; lcd->parent.open = rt_lcd_close; lcd->parent.control = rt_lcd_control; lcd->parent.user_data = RT_NULL; lcd->byte_per_pixel = 2; lcd->width = LCD_WIDTH; lcd->height = LCD_HEIGHT; lcd->hw_framebuffer = (void*)_rt_framebuffer; /* register touch device to RT-Thread */ rt_device_register(&(lcd->parent), "lcd", RT_DEVICE_FLAG_RDWR); #ifdef RT_USING_RTGUI /* add lcd driver into graphic driver */ rtgui_graphic_driver_add(&_rtgui_lcd_driver); #endif }