rt-thread-official/bsp/mini4020/drivers/lcdc.h

/*
 * Copyright (c) 2006-2021, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 */

#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, int x, int y);
void lcd_get_pixel(rtgui_color_t *c, int x, int y);
void lcd_draw_hline(rtgui_color_t *c, int x1, int x2, int y) ;
void lcd_draw_vline(rtgui_color_t *c, int x, int y1, int y2) ;
void lcd_draw_raw_hline(rt_uint8_t *pixels, int x1, int x2, int y)  ;
void lcd_update(rtgui_rect_t *rect);
rt_uint8_t * lcd_get_framebuffer(void);
rt_err_t sep4020_lcd_init(void);


#endif