234 lines
5.1 KiB
C
234 lines
5.1 KiB
C
#include "lcd_init.h"
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#include "debug.h"
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void LCD_GPIO_Init(void)
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{
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GPIO_InitTypeDef GPIO_InitStructure = {0};
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_GPIOE, ENABLE);
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_Init(GPIOE, &GPIO_InitStructure);
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GPIO_WriteBit(GPIOE,GPIO_Pin_0|GPIO_Pin_1,1);
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_3;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_Init(GPIOD, &GPIO_InitStructure);
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GPIO_WriteBit(GPIOD,GPIO_Pin_0,0);
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GPIO_WriteBit(GPIOD,GPIO_Pin_1|GPIO_Pin_3,1);
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}
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/******************************************************************************
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函数说明：LCD串行数据写入函数
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入口数据：dat 要写入的串行数据
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返回值： 无
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******************************************************************************/
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void LCD_Writ_Bus(u8 dat)
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{
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u8 i;
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//LCD_CS_Clr();
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for(i=0;i<8;i++)
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{
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LCD_SCLK_Clr();
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if(dat&0x80)
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{
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LCD_MOSI_Set();
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}
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else
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{
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LCD_MOSI_Clr();
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}
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LCD_SCLK_Set();
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dat<<=1;
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}
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//LCD_CS_Set();
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}
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/******************************************************************************
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函数说明：LCD写入数据
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入口数据：dat 写入的数据
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返回值： 无
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******************************************************************************/
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void LCD_WR_DATA8(u8 dat)
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{
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LCD_Writ_Bus(dat);
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}
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/******************************************************************************
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函数说明：LCD写入数据
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入口数据：dat 写入的数据
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返回值： 无
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******************************************************************************/
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void LCD_WR_DATA(u16 dat)
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{
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LCD_Writ_Bus(dat>>8);
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LCD_Writ_Bus(dat);
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}
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/******************************************************************************
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函数说明：LCD写入命令
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入口数据：dat 写入的命令
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返回值： 无
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******************************************************************************/
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void LCD_WR_REG(u8 dat)
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{
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LCD_DC_Clr();//写命令
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LCD_Writ_Bus(dat);
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LCD_DC_Set();//写数据
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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(u16 x1,u16 y1,u16 x2,u16 y2)
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{
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if(USE_HORIZONTAL==0)
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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);
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LCD_WR_DATA(x2);
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LCD_WR_REG(0x2b);//行地址设置
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LCD_WR_DATA(y1);
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LCD_WR_DATA(y2);
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LCD_WR_REG(0x2c);//储存器写
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}
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else if(USE_HORIZONTAL==1)
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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);
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LCD_WR_DATA(x2);
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LCD_WR_REG(0x2b);//行地址设置
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LCD_WR_DATA(y1+80);
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LCD_WR_DATA(y2+80);
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LCD_WR_REG(0x2c);//储存器写
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}
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else if(USE_HORIZONTAL==2)
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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);
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LCD_WR_DATA(x2);
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LCD_WR_REG(0x2b);//行地址设置
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LCD_WR_DATA(y1);
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LCD_WR_DATA(y2);
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LCD_WR_REG(0x2c);//储存器写
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}
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else
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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+80);
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LCD_WR_DATA(x2+80);
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LCD_WR_REG(0x2b);//行地址设置
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LCD_WR_DATA(y1);
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LCD_WR_DATA(y2);
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LCD_WR_REG(0x2c);//储存器写
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}
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}
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void LCD_Init(void)
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{
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LCD_GPIO_Init();//初始化GPIO
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LCD_RES_Clr();//复位
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Delay_Ms(100);
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LCD_RES_Set();
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Delay_Ms(100);
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LCD_BLK_Set();//打开背光
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Delay_Ms(100);
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//************* Start Initial Sequence **********//
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LCD_WR_REG(0x11); //Sleep out
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Delay_Ms(120); //Delay 120ms
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//************* Start Initial Sequence **********//
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LCD_WR_REG(0x36);
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if(USE_HORIZONTAL==0)LCD_WR_DATA8(0x00);
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else if(USE_HORIZONTAL==1)LCD_WR_DATA8(0xC0);
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else if(USE_HORIZONTAL==2)LCD_WR_DATA8(0x70);
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else LCD_WR_DATA8(0xA0);
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LCD_WR_REG(0x3A);
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LCD_WR_DATA8(0x05);
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LCD_WR_REG(0xB2);
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LCD_WR_DATA8(0x0C);
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LCD_WR_DATA8(0x0C);
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LCD_WR_DATA8(0x00);
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LCD_WR_DATA8(0x33);
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LCD_WR_DATA8(0x33);
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LCD_WR_REG(0xB7);
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LCD_WR_DATA8(0x35);
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LCD_WR_REG(0xBB);
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LCD_WR_DATA8(0x32); //Vcom=1.35V
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LCD_WR_REG(0xC2);
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LCD_WR_DATA8(0x01);
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LCD_WR_REG(0xC3);
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LCD_WR_DATA8(0x15); //GVDD=4.8V 颜色深度
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LCD_WR_REG(0xC4);
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LCD_WR_DATA8(0x20); //VDV, 0x20:0v
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LCD_WR_REG(0xC6);
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LCD_WR_DATA8(0x0F); //0x0F:60Hz
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LCD_WR_REG(0xD0);
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LCD_WR_DATA8(0xA4);
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LCD_WR_DATA8(0xA1);
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LCD_WR_REG(0xE0);
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LCD_WR_DATA8(0xD0);
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LCD_WR_DATA8(0x08);
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LCD_WR_DATA8(0x0E);
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LCD_WR_DATA8(0x09);
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LCD_WR_DATA8(0x09);
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LCD_WR_DATA8(0x05);
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LCD_WR_DATA8(0x31);
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LCD_WR_DATA8(0x33);
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LCD_WR_DATA8(0x48);
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LCD_WR_DATA8(0x17);
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LCD_WR_DATA8(0x14);
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LCD_WR_DATA8(0x15);
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LCD_WR_DATA8(0x31);
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LCD_WR_DATA8(0x34);
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LCD_WR_REG(0xE1);
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LCD_WR_DATA8(0xD0);
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LCD_WR_DATA8(0x08);
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LCD_WR_DATA8(0x0E);
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LCD_WR_DATA8(0x09);
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LCD_WR_DATA8(0x09);
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LCD_WR_DATA8(0x15);
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LCD_WR_DATA8(0x31);
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LCD_WR_DATA8(0x33);
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LCD_WR_DATA8(0x48);
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LCD_WR_DATA8(0x17);
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LCD_WR_DATA8(0x14);
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LCD_WR_DATA8(0x15);
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LCD_WR_DATA8(0x31);
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LCD_WR_DATA8(0x34);
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LCD_WR_REG(0x21);
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LCD_WR_REG(0x29);
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}
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