185 lines
4.2 KiB
C
185 lines
4.2 KiB
C
/*
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* File : lcd_800480.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2010, RT-Thread Develop Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2010-01-01 bernard first version from QiuYi's driver
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*/
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#include <rtthread.h>
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#include <soc3210.h>
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#include <rtgui/driver.h>
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#include <rtgui/color.h>
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/* LCD driver for 800x480 16bit */
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#define RT_HW_LCD_WIDTH 800
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#define RT_HW_LCD_HEIGHT 480
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ALIGN(4)
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volatile rt_uint16_t _rt_framebuffer[RT_HW_LCD_HEIGHT][RT_HW_LCD_WIDTH];
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#define K1BASE 0xA0000000
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#define KSEG1(addr) ((void *)(K1BASE | (rt_uint32_t)(addr)))
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#define HW_FB_ADDR KSEG1(_rt_framebuffer)
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#define HW_FB_PIXEL(x, y) *(volatile rt_uint16_t*)((rt_uint8_t*)HW_FB_ADDR + (y * RT_HW_LCD_WIDTH * 2) + x * 2)
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void rt_hw_lcd_update(rtgui_rect_t *rect)
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{
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}
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rt_uint8_t * rt_hw_lcd_get_framebuffer(void)
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{
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return (rt_uint8_t *)HW_FB_ADDR;
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}
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void rt_hw_lcd_set_pixel(rtgui_color_t *c, rt_base_t x, rt_base_t y)
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{
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if (x < RT_HW_LCD_WIDTH && y < RT_HW_LCD_HEIGHT)
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{
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HW_FB_PIXEL(x, y) = rtgui_color_to_565p(*c);
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}
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}
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void rt_hw_lcd_get_pixel(rtgui_color_t *c, rt_base_t x, rt_base_t y)
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{
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if (x < RT_HW_LCD_WIDTH && y < RT_HW_LCD_HEIGHT)
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{
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*c = rtgui_color_from_565p(HW_FB_PIXEL(x, y));
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}
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return ;
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}
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void rt_hw_lcd_draw_hline(rtgui_color_t *c, rt_base_t x1, rt_base_t x2, rt_base_t y)
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{
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rt_uint32_t idx;
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rt_uint16_t color;
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/* get color pixel */
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color = rtgui_color_to_565p(*c);
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for (idx = x1; idx < x2; idx ++)
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{
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HW_FB_PIXEL(idx, y) = color;
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}
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}
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void rt_hw_lcd_draw_vline(rtgui_color_t *c, rt_base_t x, rt_base_t y1, rt_base_t y2)
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{
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rt_uint32_t idy;
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rt_uint16_t color;
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/* get color pixel */
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color = rtgui_color_to_565p(*c);
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for (idy = y1; idy < y2; idy ++)
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{
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HW_FB_PIXEL(x, idy) = color;
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}
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}
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void rt_hw_lcd_draw_raw_hline(rt_uint8_t *pixels, rt_base_t x1, rt_base_t x2, rt_base_t y)
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{
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rt_uint8_t* ptr;
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ptr = (rt_uint8_t*)&HW_FB_PIXEL(x1, y);
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rt_memcpy(ptr, pixels, (x2 - x1) * 2);
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}
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struct rtgui_graphic_driver _rtgui_lcd_driver =
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{
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"lcd",
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2,
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RT_HW_LCD_WIDTH,
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RT_HW_LCD_HEIGHT,
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rt_hw_lcd_update,
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rt_hw_lcd_get_framebuffer,
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rt_hw_lcd_set_pixel,
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rt_hw_lcd_get_pixel,
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rt_hw_lcd_draw_hline,
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rt_hw_lcd_draw_vline,
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rt_hw_lcd_draw_raw_hline
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};
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#include "finsh.h"
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void hline(rt_uint32_t c, int x1, int x2, int y)
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{
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rtgui_color_t color = (rtgui_color_t)c;
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rt_hw_lcd_draw_hline(&color, x1, x2, y);
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}
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FINSH_FUNCTION_EXPORT(hline, draw a hline);
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void vline(rt_uint32_t c, int x, int y1, int y2)
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{
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rtgui_color_t color = (rtgui_color_t)c;
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rt_hw_lcd_draw_vline(&color, x, y1, y2);
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}
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FINSH_FUNCTION_EXPORT(vline, draw a vline);
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void clear()
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{
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int y;
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for (y = 0; y < _rtgui_lcd_driver.height; y ++)
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{
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rt_hw_lcd_draw_hline((rtgui_color_t*)&white, 0, 240, y);
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}
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}
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FINSH_FUNCTION_EXPORT(clear, clear screen);
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void fill(rt_uint32_t c)
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{
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int y;
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rtgui_color_t color = (rtgui_color_t)c;
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for (y = 0; y < _rtgui_lcd_driver.height; y ++)
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{
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rt_hw_lcd_draw_hline(&color, 0, _rtgui_lcd_driver.width, y);
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}
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}
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FINSH_FUNCTION_EXPORT(fill, fill screen with color);
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void lcd_init()
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{
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/* disable LCD controller */
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LCD_CTRL = LCD_CTRL & 0xfffe;
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/* set LCD clock */
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HSB_MISC_REG = (HSB_MISC_REG & 0xFFFD01FF) |
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(0x01 << 17) | /* enable LCD */
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(0x05 << 9); /* clock */
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LCD_VBARA = (rt_uint32_t)_rt_framebuffer - 0x80000000;
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LCD_VBARB = (rt_uint32_t)_rt_framebuffer - 0x80000000;
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LCD_HTIM = 0x12c031f;
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LCD_VTIM = 0x11501df;
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LCD_HVLEN = 0x41e0279;
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LCD_CTRL = 0x8709;
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rt_kprintf("VBARA 0x%08x\n", LCD_VBARA);
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rt_kprintf("CTRL 0x%08x\n", LCD_CTRL);
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rt_kprintf("HTIM 0x%08x\n", LCD_HTIM);
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rt_kprintf("VTIM 0x%08x\n", LCD_VTIM);
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rt_kprintf("HVLEN 0x%08x\n", LCD_HVLEN);
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rt_kprintf("HSB_MISC 0x%08x\n", HSB_MISC_REG);
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#ifdef RT_USING_RTGUI
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/* add lcd driver into graphic driver */
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rtgui_graphic_driver_add(&_rtgui_lcd_driver);
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#endif
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}
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FINSH_FUNCTION_EXPORT(lcd_init, init lcd);
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void rt_hw_lcd_init()
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{
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lcd_init();
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}
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