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git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1316 bbd45198-f89e-11dd-88c7-29a3b14d5316

This commit is contained in:
boksic@126.com 2011-03-07 11:32:29 +00:00
parent 804e48e7bf
commit c5bc8e8670
3 changed files with 245 additions and 0 deletions
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66
bsp/mini4020/lcd.c Normal file
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#include "lcdc.h"
#include "rtthread.h"
#include "board.h"
#include <rtgui/rtgui.h>
#include <rtgui/driver.h>
#include <rtgui/rtgui_server.h>
#include <rtgui/rtgui_system.h>
extern rt_err_t sep4020_lcd_init(void);
extern unsigned long pVideoBuffer;
struct rtgui_graphic_driver _rtgui_lcd_driver;
void radio_rtgui_init(void)
{
rtgui_rect_t rect;
// rtgui_color_t c=0xff;
rtgui_system_server_init();
/* register dock panel */
rect.x1 = 0;
rect.y1 = 0;
rect.x2 = 320;
rect.y2 = 25;
rtgui_panel_register("info", &rect);
rtgui_panel_set_nofocused("info");
/* register main panel */
rect.x1 = 0;
rect.y1 = 25;
rect.x2 = 320;
rect.y2 = 240;
rtgui_panel_register("main", &rect);
rtgui_panel_set_default_focused("main");
_rtgui_lcd_driver.name = "lcd";
_rtgui_lcd_driver.byte_per_pixel = 2;
_rtgui_lcd_driver.width = 320;
_rtgui_lcd_driver.height = 240;
_rtgui_lcd_driver.draw_hline = lcd_draw_hline;
_rtgui_lcd_driver.draw_raw_hline = lcd_draw_raw_hline;
_rtgui_lcd_driver.draw_vline = lcd_draw_vline;
_rtgui_lcd_driver.get_pixel = lcd_get_pixel;
_rtgui_lcd_driver.set_pixel = lcd_set_pixel;
_rtgui_lcd_driver.screen_update = lcd_update;
_rtgui_lcd_driver.get_framebuffer = lcd_get_framebuffer;
sep4020_lcd_init();
rt_memset((char*)pVideoBuffer,0xff,320*240*2);
// rt_memcpy((char*)pVideoBuffer,pic,320*240*2); //TESTING IMAGE
/* add lcd driver into graphic driver */
rtgui_graphic_driver_add(&_rtgui_lcd_driver);
info_init();
}

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bsp/mini4020/lcdc.c Normal file
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#include "lcdc.h"
#include <sep4020.h>
#define writel(DATA,ADDRESS) *((volatile rt_off_t *) ADDRESS)= DATA;
unsigned long pVideoBuffer;
rt_err_t sep4020_lcd_init(void)
{
pVideoBuffer =(unsigned long) rt_malloc(LCDWIDTH*LCDHEIGHT*2);
*(RP)GPIO_PORTC_SEL |= 0X0008; //Portc8设置为通用口
*(RP)GPIO_PORTC_DIR &= (~0X0008); //Portc8设置为输出
*(RP)GPIO_PORTC_DATA |= 0X0008; //Portc8输出高电平
writel(0x00000000,LCDC_LECR); //禁用LCDC
writel(pVideoBuffer,LCDC_SSA); //lcd数据帧的起始地址
writel(YMAX | XMAX,LCDC_SIZE);
writel(TFT|COLOR|PBSIZE|BPIX|PIXPOL|FLMPOL|LPPOL|CLKPOL|OEPOL|END_SEL|ACD_SEL|ACD|PCD,LCDC_PCR);
writel(H_WIDTH|H_WAIT_1|H_WAIT_2,LCDC_HCR);
writel(V_WIDTH|PASS_FRAME_WAIT|V_WAIT_1|V_WAIT_2,LCDC_VCR);
writel(SCR|CC_EN|PW,LCDC_PWMR);
writel(BL|HM|TM,LCDC_DMACR);
writel(0x00000001,LCDC_LECR); //使能LCDC
writel(0x00000000,LCDC_LCDISREN); //中断在加载帧的最后一个或第一个数据时设置，到LCD之间会有一个延时
return RT_EOK;
}
void lcd_set_pixel(rtgui_color_t *c, rt_base_t x, rt_base_t y)
{
unsigned short p;
/* get color pixel */
p = rtgui_color_to_565p(*c);
*(unsigned short *)(pVideoBuffer+2*y*LCDWIDTH+2*x)=p;
}
void lcd_get_pixel(rtgui_color_t *c, rt_base_t x, rt_base_t y)
{
*c = rtgui_color_from_565p( *(unsigned short *)(pVideoBuffer+2*y*LCDWIDTH+2*x));
}
void lcd_draw_hline(rtgui_color_t *c, rt_base_t x1, rt_base_t x2, rt_base_t y)
{
unsigned short p;
/* get color pixel */
p = rtgui_color_to_565p(*c);
while (x1 < x2)
{
*(unsigned short *)(pVideoBuffer+2*y*LCDWIDTH+2*x1)=p;
x1 ++;
}
}
void lcd_draw_vline(rtgui_color_t *c, rt_base_t x, rt_base_t y1, rt_base_t y2)
{
unsigned short p;
/* get color pixel */
p = rtgui_color_to_565p(*c);
while (y1 < y2)
{
*(unsigned short *)(pVideoBuffer+2*y1*LCDWIDTH+2*x)=p;
y1 ++;
}
}
void lcd_draw_raw_hline(rt_uint8_t *pixels, rt_base_t x1, rt_base_t x2, rt_base_t y)
{
rt_uint16_t *ptr;
/* get pixel */
ptr = (rt_uint16_t*) pixels;
while (x1 < x2)
{
*(unsigned short *)(pVideoBuffer+2*y*LCDWIDTH+2*x1)=*ptr;
x1 ++;
ptr ++;
}
}
void lcd_update(rtgui_rect_t *rect)
{
/* nothing for none-DMA mode driver */
}
rt_uint8_t * lcd_get_framebuffer(void)
{
return RT_NULL; /* no framebuffer driver */
}

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bsp/mini4020/lcdc.h Normal file
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#ifndef LCD_GENERAL_H_INCLUDED
#define LCD_GENERAL_H_INCLUDED
#include <rtgui/rtgui.h>
#include <rtgui/driver.h>
#include <rtgui/rtgui_server.h>
#include <rtgui/rtgui_system.h>
#define LCDWIDTH 320
#define LCDHEIGHT 240
//Macro for SIZE register setting
#define XMAX ((LCDWIDTH/16) << 20)
#define YMAX (LCDHEIGHT)
//Macro for PCR register setting
#define TFT ((U32)1 << 31)
#define COLOR (1 << 30) //1为色彩.
#define PBSIZE (0 << 28)
#define BPIX (4 << 25) //存储器中一个像素对应16bit
#define PIXPOL (0 << 24) //像素极性—设置像素的极性,高有效 //0<<24
#define FLMPOL (1 << 23) //首行标志极性—设置首行标志的极性,低有效.
#define LPPOL (1 << 22) //行脉冲极性—设置行脉冲信号的极性,低有效.
#define CLKPOL (0 << 21) //LCD 移位时钟极性—设置LCD 移位时钟的有效沿的极性,下降延有效.
#define OEPOL (1 << 20) //输出使能极性—设置输出使能信号的极性,高有效.
#define END_SEL (0 << 18) //印第安格式选择,小印第安.
#define ACD_SEL (0 << 15) //ACD时钟源选择—选择晶向变换计数器的时钟,使用FLM 作为ACD 计数时钟
#define ACD (0 << 8 ) //被动模式.
#define PCD (10)
//Macro for HCR regiter setting //水平配置寄存器.
#define H_WIDTH ((U32)46 << 26)
#define H_WAIT_1 (20 << 8)
#define H_WAIT_2 (20)
//Macro for VCR register setting //垂直配置寄存器.
#define V_WIDTH ((U32)10 << 26)
#define PASS_FRAME_WAIT (0 <<16)
#define V_WAIT_1 (3 << 8)
#define V_WAIT_2 (3)
//Macro for LGPR register setting
#define GRAY (4) //灰度等级.
//Macro for PWMR register setting
#define SCR (0 << 9) //时钟源选择.行脉冲.
#define CC_EN (0 << 8) //对比度控制使能,关.
#define PW (64) //输出脉冲数目,
//Macro for DMACR register setting
#define BL ((U32)1 << 31) //固定长度.
#define HM (7 << 16)
#define TM (3)
void lcd_set_pixel(rtgui_color_t *c, rt_base_t x, rt_base_t y);
void lcd_get_pixel(rtgui_color_t *c, rt_base_t x, rt_base_t y);
void lcd_draw_hline(rtgui_color_t *c, rt_base_t x1, rt_base_t x2, rt_base_t y) ;
void lcd_draw_vline(rtgui_color_t *c, rt_base_t x, rt_base_t y1, rt_base_t y2) ;
void lcd_draw_raw_hline(rt_uint8_t *pixels, rt_base_t x1, rt_base_t x2, rt_base_t y) ;
void lcd_update(rtgui_rect_t *rect);
rt_uint8_t * lcd_get_framebuffer(void);
rt_err_t sep4020_lcd_init(void);
#endif