77 lines
3.7 KiB
C
77 lines
3.7 KiB
C
#ifndef _LCD_H
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#define _LCD_H
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//#include "sys.h"
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#include "main.h"
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//////////////////////////////////////////////////////////////////////////////////
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//本程序只供学习使用，未经作者许可，不得用于其它任何用途
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//ALIENTEK STM32H7开发板
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//LCD驱动代码
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//正点原子@ALIENTEK
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//技术论坛:www.openedv.com
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//创建日期:2017/8/12
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//版本：V1.0
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//版权所有，盗版必究。
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//Copyright(C) 广州市星翼电子科技有限公司 2014-2024
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//All rights reserved
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//////////////////////////////////////////////////////////////////////////////////
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#define LCD_LED(n) (n?HAL_GPIO_WritePin(GPIOB,GPIO_PIN_5,GPIO_PIN_SET):HAL_GPIO_WritePin(GPIOB,GPIO_PIN_5,GPIO_PIN_RESET)) //LCD背光PD13 //LCD背光PD13
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//LCD LTDC重要参数集
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typedef struct
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{
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unsigned int pwidth; //LCD面板的宽度,固定参数,不随显示方向改变,如果为0,说明没有任何RGB屏接入
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unsigned int pheight; //LCD面板的高度,固定参数,不随显示方向改变
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unsigned short hsw; //水平同步宽度
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unsigned short vsw; //垂直同步宽度
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unsigned short hbp; //水平后廊
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unsigned short vbp; //垂直后廊
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unsigned short hfp; //水平前廊
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unsigned short vfp; //垂直前廊
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unsigned char activelayer; //当前层编号:0/1
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unsigned char dir; //0,竖屏;1,横屏;
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unsigned short width; //LCD宽度
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unsigned short height; //LCD高度
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unsigned int pixsize; //每个像素所占字节数
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}_ltdc_dev;
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extern _ltdc_dev lcdltdc; //管理LCD LTDC参数
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extern LTDC_HandleTypeDef LTDC_Handler; //LTDC句柄
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extern unsigned int *ltdc_framebuf[2]; //LTDC LCD帧缓存数组指针,必须指向对应大小的内存区域
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#define LCD_PIXEL_FORMAT_ARGB8888 0X00
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#define LCD_PIXEL_FORMAT_RGB888 0X01
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#define LCD_PIXEL_FORMAT_RGB565 0X02
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#define LCD_PIXEL_FORMAT_ARGB1555 0X03
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#define LCD_PIXEL_FORMAT_ARGB4444 0X04
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#define LCD_PIXEL_FORMAT_L8 0X05
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#define LCD_PIXEL_FORMAT_AL44 0X06
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#define LCD_PIXEL_FORMAT_AL88 0X07
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///////////////////////////////////////////////////////////////////////
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//用户修改配置部分:
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//定义颜色像素格式,一般用RGB565
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#define LCD_PIXFORMAT LCD_PIXEL_FORMAT_ARGB8888
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//定义默认背景层颜色
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#define LTDC_BACKLAYERCOLOR 0X00000000
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//LCD帧缓冲区首地址,这里定义在SDRAM里面.
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#define LCD_FRAME_BUF_ADDR 0XC0000000
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#define LCD_FRAME_BUF_2_ADDR 0XC0177000
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void LTDC_Switch(unsigned char sw); //LTDC开关
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void LTDC_Layer_Switch(unsigned char layerx,unsigned char sw); //层开关
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void LTDC_Select_Layer(unsigned char layerx); //层选择
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void LTDC_Display_Dir(unsigned char dir); //显示方向控制
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void LTDC_Draw_Point(unsigned short x,unsigned short y,unsigned int color);//画点函数
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unsigned int LTDC_Read_Point(unsigned short x,unsigned short y); //读点函数
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void LTDC_Fill(unsigned short sx,unsigned short sy,unsigned short ex,unsigned short ey,unsigned int color); //矩形单色填充函数
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void LTDC_Color_Fill(unsigned short sx,unsigned short sy,unsigned short ex,unsigned short ey,unsigned short *color); //矩形彩色填充函数
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void LTDC_Clear(unsigned int color); //清屏函数
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unsigned char LTDC_Clk_Set(unsigned int pll3m,unsigned int pll3n,unsigned int pll3r);//LTDC时钟配置
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//unsigned char LTDC_Clk_Set(unsigned int pllsain,unsigned int pllsair,unsigned int pllsaidivr);//LTDC时钟配置
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void LTDC_Layer_Window_Config(unsigned char layerx,unsigned short sx,unsigned short sy,unsigned short width,unsigned short height);//LTDC层窗口设置
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void LTDC_Layer_Parameter_Config(unsigned char layerx,unsigned int bufaddr,unsigned char pixformat,unsigned char alpha,unsigned char alpha0,unsigned char bfac1,unsigned char bfac2,unsigned int bkcolor);//LTDC基本参数设置
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unsigned short LTDC_PanelID_Read(void); //LCD ID读取函数
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void LTDC_Init(void); //LTDC初始化函数
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#endif
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