540 lines
11 KiB
C
540 lines
11 KiB
C
#include "lcd.h"
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#include "stdlib.h"
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#include "main.h"
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//管理LCD重要参数
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//默认为竖屏
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_lcd_dev lcddev;
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//写寄存器函数
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//regval:寄存器值
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void LCD_WR_REG(uint16_t reg)
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{
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#if LCD_USE8BIT_MODEL==1//使用8位并行数据总线模式
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LCD_RS_CLR;
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LCD_CS_CLR;
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DATAOUT(reg);
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LCD_WR_CLR;
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LCD_WR_SET;
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LCD_CS_SET;
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LCD_RS_SET;
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#else //使用16位并行数据总线模式
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LCD_RS_CLR;
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LCD_CS_CLR;
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DATAOUT(reg);
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LCD_WR_CLR;
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LCD_WR_SET;
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LCD_RS_SET;
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LCD_CS_SET;
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#endif
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}
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//写LCD数据
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//data:要写入的值
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void LCD_WR_data(uint16_t data)
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{
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#if LCD_USE8BIT_MODEL==1//使用8位并行数据总线模式
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LCD_CS_CLR;
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DATAOUT(data);
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LCD_WR_CLR;
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LCD_WR_SET;
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LCD_CS_SET;
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#else //使用16位并行数据总线模式
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LCD_CS_CLR;
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DATAOUT(data);
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LCD_WR_CLR;
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LCD_WR_SET;
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LCD_CS_SET;
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#endif
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}
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//写LCD数据
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//data:要写入的值
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void LCD_WR_DATA(uint16_t data)
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{
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#if LCD_USE8BIT_MODEL==1//使用8位并行数据总线模式
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LCD_CS_CLR;
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DATAOUT(data>>8);
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LCD_WR_CLR;
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LCD_WR_SET;
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DATAOUT(data);
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LCD_WR_CLR;
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LCD_WR_SET;
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LCD_CS_SET;
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#else //使用16位并行数据总线模式
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LCD_CS_CLR;
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DATAOUT(data);
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LCD_WR_CLR;
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LCD_WR_SET;
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LCD_CS_SET;
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#endif
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}
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//读LCD数据
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//返回值:读到的值
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uint16_t LCD_RD_DATA(void)
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{
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uint16_t data=0,data0=0;
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LCD_DATA_IN();
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#if LCD_USE8BIT_MODEL==1//使用8位并行数据总线模式
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LCD_CS_CLR;
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LCD_RD_CLR;
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data=DATAIN;
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LCD_RD_SET;
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LCD_RD_CLR;
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data0=DATAIN;
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LCD_RD_SET;
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LCD_CS_SET;
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data&=0xff;
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data=data0|data<<8;
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#else //使用16位并行数据总线模式
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LCD_CS_CLR;
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LCD_RD_CLR;
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data=DATAIN;
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LCD_RD_SET;
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LCD_CS_SET;
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#endif
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LCD_DATA_OUT();
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return data;
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}
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/******************************************************************************
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函数说明：设置起始和结束地址
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入口数据：x1,x2 设置列的起始和结束地址
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y1,y2 设置行的起始和结束地址
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返回值： 无
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******************************************************************************/
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void LCD_Address_Set(uint16_t x1,uint16_t y1,uint16_t x2,uint16_t y2)
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{
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LCD_WR_REG(0x2a);//列地址设置
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LCD_WR_DATA(x1>>8);
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LCD_WR_DATA(x1&0xff);
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LCD_WR_DATA(x2>>8);
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LCD_WR_DATA(x2&0xff);
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LCD_WR_REG(0x2b);//行地址设置
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LCD_WR_DATA(y1>>8);
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LCD_WR_DATA(y1&0xff);
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LCD_WR_DATA(y2>>8);
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LCD_WR_DATA(y2&0xff);
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LCD_WR_REG(0x2c);//储存器写
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}
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/******************************************************************************
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函数说明：设置光标位置
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入口数据：x,y 光标位置
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返回值： 无
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******************************************************************************/
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void LCD_SetCursor(uint16_t x,uint16_t y)
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{
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LCD_WR_REG(0x2a);//列地址设置
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LCD_WR_DATA(x>>8);
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LCD_WR_DATA(x&0xff);
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LCD_WR_REG(0x2b);//行地址设置
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LCD_WR_DATA(y>>8);
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LCD_WR_DATA(y&0xff);
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}
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//LCD开启显示
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void LCD_DisplayOn(void)
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{
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LCD_WR_REG(0X29); //开启显示
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}
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//LCD关闭显示
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void LCD_DisplayOff(void)
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{
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LCD_WR_REG(0X28); //关闭显示
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}
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//读取个某点的颜色值
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//x,y:坐标
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//返回值:此点的颜色
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uint16_t LCD_ReadPoint(uint16_t x,uint16_t y)
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{
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uint16_t rgb;
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LCD_SetCursor(x,y);
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LCD_WR_REG(0X2E);
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rgb=LCD_RD_DATA();//dummy Read
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rgb=LCD_RD_DATA();//实际坐标颜色
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return rgb;
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}
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void LCD_Clear(uint16_t color)
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{
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uint16_t i,j;
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LCD_Address_Set(0,0,lcddev.width-1,lcddev.height-1);//设置显示范围
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for(i=0;i<lcddev.width;i++)
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{
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for(j=0;j<lcddev.height;j++)
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{
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LCD_WR_DATA(color);
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}
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}
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}
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/******************************************************************************
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函数说明：在指定区域填充颜色
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入口数据：xsta,ysta 起始坐标
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xend,yend 终止坐标
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color 要填充的颜色
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返回值： 无
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******************************************************************************/
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void LCD_Fill(uint16_t xsta,uint16_t ysta,uint16_t xend,uint16_t yend,uint16_t color)
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{
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uint16_t i,j;
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LCD_Address_Set(xsta,ysta,xend-1,yend-1);//设置显示范围
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for(i=ysta;i<yend;i++)
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{
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for(j=xsta;j<xend;j++)
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{
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LCD_WR_DATA(color);
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}
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}
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}
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/******************************************************************************
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函数说明：在指定位置画点
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入口数据：x,y 画点坐标
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color 点的颜色
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返回值： 无
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******************************************************************************/
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void LCD_DrawPoint(uint16_t x,uint16_t y,uint16_t color)
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{
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LCD_Address_Set(x,y,x,y);//设置光标位置
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LCD_WR_DATA(color);
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}
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/******************************************************************************
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函数说明：画线
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入口数据：x1,y1 起始坐标
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x2,y2 终止坐标
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color 线的颜色
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返回值： 无
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******************************************************************************/
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void LCD_DrawLine(uint16_t x1,uint16_t y1,uint16_t x2,uint16_t y2,uint16_t color)
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{
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uint16_t t;
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int xerr=0,yerr=0,delta_x,delta_y,distance;
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int incx,incy,uRow,uCol;
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delta_x=x2-x1; //计算坐标增量
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delta_y=y2-y1;
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uRow=x1;//画线起点坐标
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uCol=y1;
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if(delta_x>0)incx=1; //设置单步方向
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else if (delta_x==0)incx=0;//垂直线
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else {incx=-1;delta_x=-delta_x;}
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if(delta_y>0)incy=1;
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else if (delta_y==0)incy=0;//水平线
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else {incy=-1;delta_y=-delta_y;}
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if(delta_x>delta_y)distance=delta_x; //选取基本增量坐标轴
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else distance=delta_y;
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for(t=0;t<distance+1;t++)
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{
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LCD_DrawPoint(uRow,uCol,color);//画点
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xerr+=delta_x;
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yerr+=delta_y;
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if(xerr>distance)
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{
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xerr-=distance;
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uRow+=incx;
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}
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if(yerr>distance)
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{
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yerr-=distance;
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uCol+=incy;
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}
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}
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}
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/******************************************************************************
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函数说明：画矩形
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入口数据：x1,y1 起始坐标
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x2,y2 终止坐标
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color 矩形的颜色
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返回值： 无
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******************************************************************************/
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void LCD_DrawRectangle(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2,uint16_t color)
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{
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LCD_DrawLine(x1,y1,x2,y1,color);
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LCD_DrawLine(x1,y1,x1,y2,color);
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LCD_DrawLine(x1,y2,x2,y2,color);
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LCD_DrawLine(x2,y1,x2,y2,color);
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}
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/******************************************************************************
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函数说明：画圆
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入口数据：x0,y0 圆心坐标
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r 半径
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color 圆的颜色
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返回值： 无
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******************************************************************************/
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void Draw_Circle(uint16_t x0,uint16_t y0,uint8_t r,uint16_t color)
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{
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int a,b;
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a=0;b=r;
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while(a<=b)
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{
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LCD_DrawPoint(x0-b,y0-a,color); //3
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LCD_DrawPoint(x0+b,y0-a,color); //0
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LCD_DrawPoint(x0-a,y0+b,color); //1
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LCD_DrawPoint(x0-a,y0-b,color); //2
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LCD_DrawPoint(x0+b,y0+a,color); //4
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LCD_DrawPoint(x0+a,y0-b,color); //5
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LCD_DrawPoint(x0+a,y0+b,color); //6
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LCD_DrawPoint(x0-b,y0+a,color); //7
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a++;
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if((a*a+b*b)>(r*r))//判断要画的点是否过远
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{
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b--;
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}
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}
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}
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/******************************************************************************
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函数说明：显示数字
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入口数据：m底数，n指数
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返回值： 无
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******************************************************************************/
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uint32_t mypow(uint8_t m,uint8_t n)
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{
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uint32_t result=1;
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while(n--)result*=m;
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return result;
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}
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/******************************************************************************
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函数说明：显示图片
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入口数据：x,y起点坐标
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length 图片长度
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width 图片宽度
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pic[] 图片数组
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返回值： 无
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******************************************************************************/
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void LCD_ShowPicture(uint16_t x,uint16_t y,uint16_t length,uint16_t width,const uint8_t pic[])
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{
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uint8_t picH,picL;
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uint16_t i,j;
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uint32_t k=0;
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LCD_Address_Set(x,y,x+length-1,y+width-1);
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for(i=0;i<length;i++)
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{
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for(j=0;j<width;j++)
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{
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picH=pic[k*2];
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picL=pic[k*2+1];
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LCD_WR_DATA(picH<<8|picL);
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k++;
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}
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}
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}
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void Set_Dir(uint8_t dir)
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{
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if((dir>>4)%4)
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{
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lcddev.width=480;
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lcddev.height=320;
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}else
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{
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lcddev.width=320;
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lcddev.height=480;
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}
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}
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//初始化lcd
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void LCD_Init(void)
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{
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LCD_RST_SET;
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HAL_Delay(20);
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LCD_RST_CLR;
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HAL_Delay(20);
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LCD_RST_SET;
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HAL_Delay(50); // delay 50 ms
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Set_Dir(DFT_SCAN_DIR);
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LCD_WR_REG(0xE0);
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LCD_WR_DATA(0x00);
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LCD_WR_DATA(0x07);
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LCD_WR_DATA(0x0f);
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LCD_WR_DATA(0x0D);
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LCD_WR_DATA(0x1B);
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LCD_WR_DATA(0x0A);
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LCD_WR_DATA(0x3c);
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LCD_WR_DATA(0x78);
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LCD_WR_DATA(0x4A);
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LCD_WR_DATA(0x07);
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LCD_WR_DATA(0x0E);
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LCD_WR_DATA(0x09);
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LCD_WR_DATA(0x1B);
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LCD_WR_DATA(0x1e);
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LCD_WR_DATA(0x0f);
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LCD_WR_REG(0xE1);
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LCD_WR_DATA(0x00);
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LCD_WR_DATA(0x22);
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LCD_WR_DATA(0x24);
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LCD_WR_DATA(0x06);
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LCD_WR_DATA(0x12);
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LCD_WR_DATA(0x07);
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LCD_WR_DATA(0x36);
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LCD_WR_DATA(0x47);
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LCD_WR_DATA(0x47);
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LCD_WR_DATA(0x06);
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LCD_WR_DATA(0x0a);
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LCD_WR_DATA(0x07);
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LCD_WR_DATA(0x30);
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LCD_WR_DATA(0x37);
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LCD_WR_DATA(0x0f);
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LCD_WR_REG(0xC0);
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LCD_WR_DATA(0x10);
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LCD_WR_DATA(0x10);
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LCD_WR_REG(0xC1);
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LCD_WR_DATA(0x41);
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LCD_WR_REG(0xC5);
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LCD_WR_DATA(0x00);
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LCD_WR_DATA(0x22);
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LCD_WR_DATA(0x80);
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LCD_WR_REG(0x36); // Memory Access Control
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if(DFT_SCAN_DIR==L2R_U2D)LCD_WR_DATA(0x48);
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else if(DFT_SCAN_DIR==R2L_D2U)LCD_WR_DATA(0x88);
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else if(DFT_SCAN_DIR==U2D_R2L)LCD_WR_DATA(0x28);
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else LCD_WR_DATA(0xE8);
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LCD_WR_REG(0x3A); //Interface Mode Control，
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LCD_WR_DATA(0x55);
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LCD_WR_REG(0XB0); //Interface Mode Control
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LCD_WR_DATA(0x00);
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LCD_WR_REG(0xB1); //Frame rate 70HZ
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LCD_WR_DATA(0xB0);
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LCD_WR_DATA(0x11);
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LCD_WR_REG(0xB4);
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LCD_WR_DATA(0x02);
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LCD_WR_REG(0xB6); //RGB/MCU Interface Control
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LCD_WR_DATA(0x02);
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LCD_WR_DATA(0x02);
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LCD_WR_REG(0xB7);
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LCD_WR_DATA(0xC6);
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LCD_WR_REG(0xE9);
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LCD_WR_DATA(0x00);
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LCD_WR_REG(0XF7);
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LCD_WR_DATA(0xA9);
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LCD_WR_DATA(0x51);
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LCD_WR_DATA(0x2C);
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LCD_WR_DATA(0x82);
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LCD_WR_REG(0x11);
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HAL_Delay(120);
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LCD_WR_REG(0x29);
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LCD_LED=1000;
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/*
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LCD_WR_REG(0xE0);
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LCD_WR_DATA(0x0F);
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LCD_WR_DATA(0x13);
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LCD_WR_DATA(0x1D);
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LCD_WR_DATA(0x09);
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LCD_WR_DATA(0x18);
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LCD_WR_DATA(0x0A);
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LCD_WR_DATA(0x43);
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LCD_WR_DATA(0x66);
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LCD_WR_DATA(0x4F);
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LCD_WR_DATA(0x07);
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LCD_WR_DATA(0x0F);
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LCD_WR_DATA(0x0E);
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LCD_WR_DATA(0x18);
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LCD_WR_DATA(0x1A);
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LCD_WR_DATA(0x03);
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LCD_WR_REG(0xE1);
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LCD_WR_DATA(0x0F);
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LCD_WR_DATA(0x1A);
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LCD_WR_DATA(0x1D);
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LCD_WR_DATA(0x04);
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LCD_WR_DATA(0x0F);
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LCD_WR_DATA(0x04);
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LCD_WR_DATA(0x31);
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LCD_WR_DATA(0x14);
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LCD_WR_DATA(0x43);
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LCD_WR_DATA(0x03);
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LCD_WR_DATA(0x0D);
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LCD_WR_DATA(0x0C);
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LCD_WR_DATA(0x26);
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LCD_WR_DATA(0x29);
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LCD_WR_DATA(0x00);
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LCD_WR_REG(0x36); //Memory Access
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LCD_WR_DATA(0x08);
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LCD_WR_REG(0x3A); //Interface Pixel Format
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LCD_WR_DATA(0x66); //66:18Bit,55:18Bit
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||
|
||
LCD_WR_REG(0xC0); //Power Control 1
|
||
LCD_WR_DATA(0x14); //Vreg1out
|
||
LCD_WR_DATA(0x0E); //Vreg2out
|
||
|
||
LCD_WR_REG(0xC1); //Power Control 2
|
||
LCD_WR_DATA(0x43); //VGH,VGL
|
||
|
||
LCD_WR_REG(0xC5); //Power Control 3
|
||
LCD_WR_DATA(0x00);
|
||
LCD_WR_DATA(0x36); //Vcom
|
||
LCD_WR_DATA(0x80);
|
||
|
||
LCD_WR_REG(0xB0); //Interface Mode Control
|
||
LCD_WR_DATA(0x80); //SDA_EN
|
||
|
||
LCD_WR_REG(0xB1); //Frame rate
|
||
LCD_WR_DATA(0xA0); //60Hz
|
||
LCD_WR_DATA(0x11);
|
||
|
||
LCD_WR_REG(0xB4); //Display Inversion Control
|
||
LCD_WR_DATA(0x02); //2-dot
|
||
|
||
LCD_WR_REG(0xB6); //RGB/MCU Interface Control
|
||
LCD_WR_DATA(0x22); //RGB 22, MCU 02
|
||
LCD_WR_DATA(0x22); //Source,Gate scan dieection
|
||
LCD_WR_DATA(0x3B);
|
||
|
||
LCD_WR_REG(0xE9); //Set Image Function
|
||
LCD_WR_DATA(0x00); //Disable 24 bit data input
|
||
|
||
LCD_WR_REG(0xF7);
|
||
LCD_WR_DATA(0xA9);
|
||
LCD_WR_DATA(0x51);
|
||
LCD_WR_DATA(0x2C);
|
||
LCD_WR_DATA(0x82);
|
||
|
||
LCD_WR_REG(0x11);
|
||
HAL_Delay(120);
|
||
LCD_WR_REG(0x29); //SET Panel
|
||
|
||
|
||
LCD_DisplayOn();
|
||
*/
|
||
|
||
|
||
}
|
||
|
||
|
||
|
||
|
||
|