main.c

来自「用51单片机实现的在屏幕上显视文字,外接一颗MT230OSDIC」· C语言 代码 · 共 85 行

#include "golbal.h"

void main()
{
  //InitialOSD();
  InitialRAM();

byM230_DA0 = 0x10 ;
byM230_DA1 = 0x20 ;
byM230_DA2 = 0x30 ;
byM230_DA3 = 0x40 ;

  while(1)
  	{


P1 =0x00;
//  P3&=0xc3;

byM230_Port40 = 0;
byM230_Port41 = 0;
byM230_Port42 = 0;
byM230_Port43 = 0;
byM230_Port44 = 0;
byM230_Port45 = 0;
byM230_Port46 = 0;
byM230_Port47 = 0;

byM230_Port50 = 0x00;
byM230_Port51 = 0x00;
byM230_Port52 = 0x00;
byM230_Port53 = 0x00;
/*
byM230_Port60 = 0;
byM230_Port61 = 0;
byM230_Port62 = 0;*/


P1=0xff;
// P3&=0xff;

byM230_Port40 = 1;
byM230_Port41 = 1;
byM230_Port42 = 1;
byM230_Port43 = 1;
byM230_Port44 = 1;
byM230_Port45 = 1;
byM230_Port46 = 1;
byM230_Port47 = 1;

byM230_Port50 = 0x01;
byM230_Port51 = 0x01;
byM230_Port52 = 0x01;
byM230_Port53 = 0x01;
/*
byM230_Port60 = 1;
byM230_Port61 = 1;
byM230_Port62 = 1;*/
	
  	
	KeyPress();
	if(KeyCode==Mode_Key)
		{
		OpenOSD();
		ModeSelect();
		}
	if(((KeyCode==Up_Key)||(KeyCode==Down_Key))&&(ModePressCount!=0))	
		{
		ValueAdjust();
		}
	
	if((KeyCode==Up_Key)&&(ModePressCount==0))	
		{
		BrightnessAdjust();
		OpenOSD();
		}
	
	if((KeyCode==Down_Key)&&(ModePressCount==0))	
		{
		ContrastAdjust();
		OpenOSD();
		}
  	}
}