rt-thread-official/bsp/dev3210/lnn800x480.c

185 lines
4.2 KiB
C

/*
* File : lcd_800480.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 <rtthread.h>
#ifdef RT_USING_RTGUI
#include <soc3210.h>
#include <rtgui/driver.h>
#include <rtgui/color.h>
/* LCD driver for 800x480 16bit */
#define RT_HW_LCD_WIDTH 800
#define RT_HW_LCD_HEIGHT 480
ALIGN(4)
volatile rt_uint16_t _rt_framebuffer[RT_HW_LCD_HEIGHT][RT_HW_LCD_WIDTH];
#define K1BASE 0xA0000000
#define KSEG1(addr) ((void *)(K1BASE | (rt_uint32_t)(addr)))
#define HW_FB_ADDR KSEG1(_rt_framebuffer)
#define HW_FB_PIXEL(x, y) *(volatile rt_uint16_t*)((rt_uint8_t*)HW_FB_ADDR + (y * RT_HW_LCD_WIDTH * 2) + x * 2)
void rt_hw_lcd_update(rtgui_rect_t *rect)
{
}
rt_uint8_t * rt_hw_lcd_get_framebuffer(void)
{
return (rt_uint8_t *)HW_FB_ADDR;
}
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)
{
HW_FB_PIXEL(x, y) = 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 < RT_HW_LCD_WIDTH && y < RT_HW_LCD_HEIGHT)
{
*c = rtgui_color_from_565p(HW_FB_PIXEL(x, 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;
/* get color pixel */
color = rtgui_color_to_565p(*c);
for (idx = x1; idx < x2; idx ++)
{
HW_FB_PIXEL(idx, y) = 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 ++)
{
HW_FB_PIXEL(x, idy) = 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_uint8_t* ptr;
ptr = (rt_uint8_t*)&HW_FB_PIXEL(x1, y);
rt_memcpy(ptr, 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 < _rtgui_lcd_driver.height; y ++)
{
rt_hw_lcd_draw_hline((rtgui_color_t*)&white, 0, 240, y);
}
}
FINSH_FUNCTION_EXPORT(clear, clear screen);
void fill(rt_uint32_t c)
{
int y;
rtgui_color_t color = (rtgui_color_t)c;
for (y = 0; y < _rtgui_lcd_driver.height; y ++)
{
rt_hw_lcd_draw_hline(&color, 0, _rtgui_lcd_driver.width, y);
}
}
FINSH_FUNCTION_EXPORT(fill, fill screen with color);
void lcd_init()
{
/* disable LCD controller */
LCD_CTRL = LCD_CTRL & 0xfffe;
/* set LCD clock */
HSB_MISC_REG = (HSB_MISC_REG & 0xFFFD01FF) |
(0x01 << 17) | /* enable LCD */
(0x05 << 9); /* clock */
LCD_VBARA = (rt_uint32_t)_rt_framebuffer - 0x80000000;
LCD_VBARB = (rt_uint32_t)_rt_framebuffer - 0x80000000;
LCD_HTIM = 0x12c031f;
LCD_VTIM = 0x11501df;
LCD_HVLEN = 0x41e0279;
LCD_CTRL = 0x8709;
rt_kprintf("VBARA 0x%08x\n", LCD_VBARA);
rt_kprintf("CTRL 0x%08x\n", LCD_CTRL);
rt_kprintf("HTIM 0x%08x\n", LCD_HTIM);
rt_kprintf("VTIM 0x%08x\n", LCD_VTIM);
rt_kprintf("HVLEN 0x%08x\n", LCD_HVLEN);
rt_kprintf("HSB_MISC 0x%08x\n", HSB_MISC_REG);
/* add lcd driver into graphic driver */
rtgui_graphic_driver_add(&_rtgui_lcd_driver);
}
FINSH_FUNCTION_EXPORT(lcd_init, init lcd);
void rt_hw_lcd_init()
{
lcd_init();
}
#endif