lcd.c

来自「完整的原创单片机控制彩色液晶源代码（keil工程） 320x240液晶模块底层」· C语言 代码 · 共 84 行

#include <LPC213x.h>
#include "Delay.h"

#include "SPI.h"
#include "LCD.h"

//====================================================================================
void SendCom(unsigned char dat)	//Command
{
	LCD_CS_0;
	MSPISendData(0x70);
	MSPISendData(0x00);
	MSPISendData(dat);
	LCD_CS_1;
}
//====================================================================================
void SendDat(unsigned int dat)           
{
	LCD_CS_0;
	MSPISendData(0x72);
	MSPISendData(dat >> 8);
	MSPISendData(dat);
	LCD_CS_1;
}
//====================================================================================
void SendCD(unsigned int dat)           
{
	LCD_CS_0;
	MSPISendData(0x70);
	MSPISendData(0x00);
	MSPISendData(dat >> 16);
	LCD_CS_1;
	//many be need nop;
	LCD_CS_0;
	MSPISendData(0x72);
	MSPISendData(dat >> 8);
	MSPISendData(dat);
	LCD_CS_1;
}
//====================================================================================
unsigned int ReadCom(void)	//Command
{
	unsigned int t=0;

	LCD_CS_0;
	MSPISendData(0x73);
	MSPISendData(0x00);
	MSPISendData(0x00);
	MSPISendData(0x00);
	MSPISendData(0x00);
	MSPISendData(0x00);
	t = MSPISendData(0x00);
	t <<= 8;
	t |= MSPISendData(0x00);
	LCD_CS_1;

	return t; 
}
//====================================================================================
void SetRamAddr(unsigned int x,unsigned int y)
{
    SendCom(0x21);
	SendDat(y);
    SendCom(0x20);
	SendDat(x);
}
//====================================================================================
void LcdIOInit(void) 
{
	LCD_RES_1;
    LCD_RS_1;
    LCD_CS_1;
	IO0DIR |= LCD_RS|LCD_CS|LCD_RES;
}
//====================================================================================
void LcdReset(void)
{
	unsigned int i;

	LCD_RES_0;      //低电平复位
   	Delay_Macro(ResetTime,i)
	LCD_RES_1;
}