ir.c

Vx1828点3.5"TFT屏的的源程序

#include <reg51.h>
#include <intrins.h>          // _nop() in the file .
#include <stdio.h>            // printf() in the file .
#include <string.h>
#include "78e65.h"
#include "config.h"

#include "tda7440d.h"
#include <invx1828.h>
#include <func_shi.h>
#include "ext_globl.h"
#include "ext_osd.h"
#include "osd_vx1828.h"

//*********************************************************
//	key define 
//*********************************************************

sbit  IR    	=   	P3^3;

#define ir_customer			0x03fc
//#define IR_CUSTOMER		ir_customer
#if _debug
#define	irkey_0				0x68
#define	irkey_1				0x30
#define   irkey_2				0xb0
#define	irkey_3				0x70
#define	irkey_4				0xf0
#define	irkey_5				0x08
#define	irkey_6				0x88
#define	irkey_7				0x48
#define	irkey_8				0xc8
#define	irkey_9				0xa8	
#endif

#define   irkey_power              0x0
#define	irkey_menu			0x1a
#define	irkey_select		     	0x50
#define 	irkey_source			0xfa
#define   irkey_mute			0x40

#define   irkey_up                 	0x9a
#define   irkey_down               0x5a
#define   irkey_left               	0xba
#define   irkey_right              	0x7a

#define   irkey_vol_add		0xea			
#define   irkey_vol_sub		0x6a
#define   irkey_bri_add		0xaa
#define   irkey_bri_sub		0x2a
//------------------------------------------------
#define   irkey_isp			0x3a
#define   irtest			0x0a
//------------------------------------------------
//***************************************************************
//define IR program's flag . used in func_ir.c
bit irpower_flag  = 0;	// IR Power Button Active flag
bit irmenu_flag	  = 0;	// IR Menu Button Active flag
//bit irinpsel_flag = 0;	     	// IR Inp_sel Button Active flag
bit irexit_flag	  = 0;	// IR Exit Button Active flag
bit irup_flag= 0;	// IR Menu+ Button Active flag
bit irdown_flag= 0;	// IR Menu- Button Active flag
bit irright_flag  = 0;		// IR Right Button Active flag
bit irleft_flag	  = 0;		// IR Left Button Active flag

bit irsource_flag=0;

bit irbriadd_flag=0;
bit irbrisub_flag=0;
bit irvoladd_flag=0;
bit irvolsub_flag=0;
bit irtimer_flag=0;
//extern void aisel_func(char aisel);
//***************************************************************
extern bit power_flag ;       // defined in the globl.h 
extern unsigned int idata osd_timer;
bit ir_ok_flag=0;
//**********************************************************************
typedef struct {
	unsigned int customer;
	unsigned char ir_code;
	unsigned char _code;
}IR_CODE_TYPE ;

static IR_CODE_TYPE IR_CODE={0,0,0};
static bit  ir_start_flag=0;
// bit last_code_com=0;     // A flag to show whether the last IR code receive is complete
 unsigned long IR_data=0;
//*********************************************************************************

//extern void DelayXms(char);
unsigned char GetCycle(void);
void Delay50us();

extern char data channel;
//----------------------------------------------------
static char ispcomd[8]="prog....";
static char usercode[8]="WB05D000";
//----------------------------------------------------

static char data _test;

extern bit XIE_Power;

//*******************************************************************
void ir_server()
{
		if(ir_ok_flag==1){
			ir_ok_flag=0;
			EA=0;
			
			#if _debug
			printf("\n");
			printf("customer=%x",IR_CODE.customer);
			printf("  code=%bx",IR_CODE.ir_code);
			printf("  ^code=%bx\n",IR_CODE._code);
			#endif

			
			TI=0;
			if(IR_CODE.customer==ir_customer){			
				switch(IR_CODE.ir_code){
					
				//============= TEST IR ==========================
					case irkey_0:	
						
						#if _debug
						printf("the key is 0.\n");
						#endif
						
						osd_timer=0;TR0=1;
						break;
					case irkey_1:
						
						#if _debug
						printf("the key is 1.\n");
						#endif
						
						osd_timer=0;TR0=1;
						break;
					case irkey_2:	

						#if _debug
						printf("the key is 2.\n");
						#endif
						
						osd_timer=0;TR0=1;
						break;
					case irkey_3:

						#if _debug
						printf("the key is 3.\n");
						#endif
						
						osd_timer=0;TR0=1;
						break;
					case irkey_4:

						#if _debug
						printf("the key is 4.\n");
						#endif
						
						osd_timer=0;TR0=1;
						break;
						
					case irkey_9:  //broning.	

						#if _debug
						printf("the key is 9.\n");
						#endif
						
						osd_timer=0;TR0=1;
						break;
					case irtest:

						#if _debug
						printf("test\n");
						#endif
						
						irtimer_flag=1;
						break;
				//===========  ISP BUTTON ==========
					case irkey_isp:  //broning.

						#if _debug
						printf("the key is 9.\n");
						#endif
						
						CHPENR=0x87;
						CHPENR=0x59;
						CHPCON=0x03;
						CHPENR=0x00;
						IP=0x02;
						EA=1;
						ET0= 1;

						TH0=0x04;
						TL0=0x04;

						TMOD=0x02;
						TR0=1;
						PCON=1;
						break;
						
				//==============================================
					case irkey_power:	// Power Button
						osd_timer=0;TR0=1;

						#if _debug
						printf("the key is power.\n");
						#endif
						
                         			irpower_flag = 1;	// IR Power Button Active
						XIE_Power=0;
						osd_timer=0;TR0=1;
						break;
					case irkey_mute:	

						#if _debug
						printf("the key is mute.\n");
						#endif
						
						osd_timer=0;
						if(power_flag)
						{
							mute_flag=~mute_flag;
							if(mute_flag){				
								//mute_disp();printf("mute_menu run\n");
								
								set_audio_mute(1);
								#if _debug
								printf("set_audio_mute.\n");
								#endif
								
							}
							else{
								osd_show(0x28, 1, &NULLC) ;
								load_audio_volume();
								#if _debug
								printf("load_audio_volume.\n");
								#endif
								
							}
						}
						osd_timer=0;TR0=1;
						break;
                    		case irkey_source:	// Inp_sel Button
                    			osd_timer=0;TR0=1;
                         			if (power_flag){
	                         			irsource_flag= 1;	// IR Inp_sel Button Active
	                    		}
						osd_timer=0;TR0=1;
       	               		break;
                    		case irkey_menu:	// Menu Button
                    			osd_timer=0;TR0=1;
								
					#if _debug
                   			printf("the key is menu.\n");
					#endif
					
	                    		if (power_flag){
	                         			irmenu_flag = 1;	// IR Menu Button Active
	                    		}
						osd_timer=0;TR0=1;
      	               			break;
			//---------------up down left right -------------------
                    		case irkey_up:	// Menu+ Button
                    			osd_timer=0;TR0=1;

					#if _debug
                    			printf("the key is up.\n");
					#endif
					

                         			if (power_flag){
	                         			irup_flag = 1;	// IR Menu+ Button Active
	                    		}
						osd_timer=0;TR0=1;
      	               			break;
                    		case irkey_down:	// Menu- Button
                    			osd_timer=0;TR0=1;
					#if _debug
                    			printf("the key is down.\n");
					#endif
					

	                    		if (power_flag){
	                         			irdown_flag = 1;	// IR Menu- Button Active
	                    		}
						osd_timer=0;TR0=1;
      	               			break;
      	          			case irkey_right:	// Right Button
      	          				osd_timer=0;TR0=1;
								
						#if _debug
      	          				printf("the key is right.\n");
						#endif
						
	                    		if (power_flag)
                         			{
                              			irright_flag = 1;	// IR Right Button Active
                         			}
						osd_timer=0;TR0=1;
      	               			break;
                    		case irkey_left:	// Left Button
                    			osd_timer=0;TR0=1;

					#if _debug
                    			printf("the key is left.\n");
					#endif
					
      	               			if (power_flag)
                         			{
	                         			irleft_flag = 1;	// IR Left Button Active
	                    		}
						osd_timer=0;TR0=1;
      	               			break;
				//----brightness + - and volume + -    -----------------
					case irkey_bri_add:
						osd_timer=0;TR0=1;						
						if(power_flag){
							topmenu_flag=0;
							irbriadd_flag=1;
						}
						osd_timer=0;TR0=1;

						#if _debug
						printf("the key is bri_add.\n");
						#endif
						break;
					case irkey_bri_sub:
						osd_timer=0;TR0=1;						
						if(power_flag){
							topmenu_flag=0;
							irbrisub_flag=1;
						}
						osd_timer=0;TR0=1;

						#if _debug
						printf("the key is bri_sub.\n");
						#endif
						break;
					case irkey_vol_add:
						osd_timer=0;TR0=1;						
						if(power_flag){
							topmenu_flag=0;
							irvoladd_flag=1;							
							}
						osd_timer=0;TR0=1;

						#if _debug
						printf("the key is vol_add.\n");
						#endif
						break;
					case irkey_vol_sub:
											
						if(power_flag){
							topmenu_flag=0;
							irvolsub_flag=1;
							}
						osd_timer=0;TR0=1;	
						break;

						#if _debug
						printf("the key is vol_sub.\n");
						#endif
				//-----------------------------------------------
					default:

						#if _debug
						printf("ther key wasn't defined .\n");
						#endif
						
						break;
				}
				IR_data=0;
			}
			else{
				printf("the IR_customer is error.\n");
			}
			
			ir_start_flag=0;
		}
		else{
			EX1=1;
			EA=1;
	}	
}


//**************************************************************************
void ir_int1(void) interrupt 2  using 1{
	unsigned char i;
	unsigned char data Count;
	EX1 = 0;
	IR_data=0;
	Count=GetCycle();
	if((Count>175) &&(Count<215)){		
		ir_start_flag=1;
		}	// The first press button
	//else if((Count>145)&&(Count<165)){	/*ir_rep_flag=1;*/		
	//	ir_start_flag=1;//printf("count=%bx\n",Count);
	//}//repeat press some button .
	else{
		EX1 = 1;
		return ;
	}						//not all			
	//-----------------------------------------------------------
	if(ir_start_flag){			//begin to receive the ir_code . 
		for(i=32;i>0;i--){
			Count=GetCycle();   IR_data <<= 1;			
			if((Count>26) && (Count<38))   	 IR_data ++;
			else if((Count>10) && (Count<0x21))   ;
			else {
				EX1=1;
			  	return;
			}
		}
	}
	IR_CODE._code=(char)IR_data;	IR_data>>=8;			
	IR_CODE.ir_code=(char)IR_data;	IR_data>>=8;			
	IR_CODE.customer=(int)IR_data;
	ir_ok_flag=1;
}
//***********************************************************************
unsigned char GetCycle(void){
    unsigned char data a=0;
	while(!IR) {
          Delay50us();
		  a++;
		  if(a>220){
		  	return a;
		  	}
		 }
	while(IR) {
          Delay50us();
		  a++;
		  if(a>220){
		  	return a;
		  	}
		 }
	return(a);
}
//********************************************************************
void Delay50us(void){
   unsigned char data a;
   for(a=10;a>0;a--){
       _nop_();
       _nop_();
       _nop_();
       _nop_();
       _nop_();
      }
}
//*************************************************************************


 //**********************************************************************