test.c

TW2834 的Linux驱动程序

/*  Copyright (C) 2006 Guangzhou Jinpeng Group LT
     All Rights Reserved.
*/
/**
    @file   test.c
    @brief  Demonstration of Video Rendering functionality

@b  Application:  test

*/
/*

Rev Date        Author      Comments
--------------------------------------------------------------------------------
001 20060908    huangym   Original
--------------------------------------------------------------------------------
    For consistency and standardisation retain the Section Separators.
*/

/***********************************************
* INCLUDE FILES                        
************************************************/

#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdlib.h>
#include <signal.h>
#include <linux/types.h>
#include <linux/video_decoder.h>
#include <sys/ioctl.h>

#define SET_REG 17
#define GET_REG 20
#include "tw2834.h"
/***********************************************
* LOCAL MACROS                         
************************************************/

/*
 Entry point for the application

 */

int main(int argc, char **argv)
{
    int opra,temp_opra,temp_data;
    int df;
    int df0=0,df1=0,df2=0,df3=0;
    int err,i;
    int param[5];
    char DEVNAME[20];

    if((argc<3) |(argv[1] == "-h") )
    {
        printf("1 arg need for the program.\n");
        printf("use: test chipnum -[channel][cmd]\n");
	printf("	  chipnum from 0 to 3\n"); 
	printf("	  -channel from -0 to -3\n"); 
        printf("	  cmd:v--get video signal\n");	
        printf("	      b,h\n");	
        printf("	      p,n--pal,ntsc\n");	
        printf("	      f,d--fullscreen,default split screen\n");	
        printf("	      H,S--close preview,preview\n");	
        printf("	      P -- split screen\n");	
	printf("	      s [reg] [value]--set reg = value\n");
        exit(1);
    }

    if ((argv[2][0] == '-')&&((argv[2][1] == '0')|(argv[2][1] == '1')|(argv[2][1] == '2')|(argv[2][1] == '3')))
    {
        /* Test next character to determine param type */
     //param[0] =9;// argv[2][1];
     param[0] =argv[2][1]-0x30; // strtol(param[0],NULL,0);
     printf("test is :%d\n",param[0]);

        switch (argv[2][2])
        {

	    case 'v':
	    	opra = GET_VIDEO_SIGNAL;
		break;
            case 'b': case 'B':
                opra = SET_BRIGHTNESS;    /* brightness */
                break;

            case 'c': case 'C':
                opra = SET_CONTRAST; /* contrast */
                break;
            case 'p': 
                opra = PAL_STD; /* NTSC mode */
                break;
 	     case 'n': 
                opra = NTSC_STD; /* NTSC mode */
                break;
 	     case 'd': 
                opra = SET_DEFAULT; /*chip default config*/
                break;
            case 'h': 
                opra = SET_HUE; /* hue */
                break;
	     case 's': 
		opra = SET_REG; /* standard */
		if(argv[4]==NULL)
		{opra = GET_REG;
		//param[1] = a);//atoi(argv[3]);
		 param[1] = strtoul(argv[3],NULL,0);//atoi(argv[3]);
		}
		else
		{
		 param[1] = strtoul(argv[3],NULL,0);//atoi(argv[3]);
		 param[2] = strtoul(argv[4],NULL,0);//atoi(argv[4]);
		}
                break;
	     case 'f':
                opra = SET_FULLSCREEN; /*  */

                break;
	     case 'S':
                opra = SET_PREVIEW; /* preview */
                break;
	     case 'H':
                opra = SET_CLOSE_PREVIEW; /*close preview  */
                break;
           case 'P': //split
                opra = SET_SPLIT; /* split preview */
     
                break;
            default:
                /* ignore unrecognised characters */
                printf("Parameter is error, the right is -[n]b -[n]c -[n]h -[n]B -[n]C -[n]H.\n");
		//printf("n which is standed for the chip(tw2834_0,tw2834_1,tw2834_2,tw2834_3) must be <4,.\n");
                exit(1);
                break;
        }
    }
    else
    {
        printf("Parameter is error, the right is -[n]b -[n]c -[n]h -[n]B -[n]C -[n]H.\n");
        exit(1);
    }


    //chipnum = strtol(argv[1],NULL,0);
    sprintf(DEVNAME,"/dev/tw2834%s",argv[1]);
    printf("Open %s\n",DEVNAME);
    df = open(DEVNAME,O_RDWR);
    if (df == -1)
    {
	    printf("Can't open %s device.\n",DEVNAME);
	    exit(1);
    }
    
    if((opra == SET_SPLIT) |(opra == SET_FULLSCREEN ) )
    {       temp_opra = opra; 
	    opra = GET_CHIP_NUMBER;
	    err = ioctl(df, opra, param);
            printf("This is four split\n"); 
	    for (i =0; i<param[0]+1; i++)
	    {       //sprintf(DEVNAMET,"/dev/tw2834%s",i);
		    //df0 = open(DEVNAMET,O_RDWR);
                    if(i == 0)
 		    {	df0 = open("/dev/tw28340",O_RDWR);
		    opra = SET_ALL_CHANNEL_DISABLE;
		    err = ioctl(df0, opra, param);
		   }
                    if(i == 1)
 		    {	df1 = open("/dev/tw28341",O_RDWR);
		    err = ioctl(df1, opra, param);
		   }
                    if(i == 2)
 		    {	df2 = open("/dev/tw28342",O_RDWR);
		    err = ioctl(df2, opra, param);
		   }
                    if(i == 3)
 		    {	df3 = open("/dev/tw28343",O_RDWR);
		    err = ioctl(df3, opra, param);
		   }
	    }
	    
	    printf("*****************\n");
            param[0] = argv[2][1]-0x30;
            if(temp_opra == SET_FULLSCREEN)
             { temp_data=param[0];
	       opra = temp_opra;
               err = ioctl(df, opra, param);
	      
	       close(df);
               goto this;
              }
	    opra =   SET_SPLIT;
	    param[0]=atoi(argv[1]);//param[1]=atoi(argv[3]);param[2]=atoi(argv[4]); param[3]=atoi(argv[5]);param[4]=atoi(argv[6]);
            if(param[0] ==0 )
	   { 
	      param[0]=0;param[1]=4;param[2]=0;
	      err = ioctl(df0, opra, param);	//set position
	      

	      param[0]=1;param[1]=4;param[2]=1; 
	      err = ioctl(df0, opra, param);
	   
	      param[0]=2;param[1]=4;param[2]=2;
	      err = ioctl(df0, opra, param);
	   
	      param[0]=3;param[1]=4;param[2]=3; 
	      err = ioctl(df0, opra, param);
	    
	      goto this;
	    }
            if(param[0] ==1 )
	    { 
	    param[0]=0;param[1]=4;param[2]=0;
	    err = ioctl(df1, opra, param);
	   
	    param[0]=1;param[1]=4;param[2]=1; 
	    err = ioctl(df1, opra, param);
	
	    
	    param[0]=2;param[1]=4;param[2]=2;
	    err = ioctl(df1, opra, param);
	  
	    
	    param[0]=3;param[1]=4;param[2]=3; 
	    err = ioctl(df1, opra, param);
	   
	    goto this;
	     }
            if(param[0] ==2 )
	    {  	      
	    param[0]=0;param[1]=4;param[2]=0;
	    err = ioctl(df3, opra, param);
	 
	    
	    param[0]=1;param[1]=4;param[2]=1; 
	    err = ioctl(df3, opra, param);
	  
	    
	    param[0]=2;param[1]=4;param[2]=2;
	    err = ioctl(df3, opra, param);
	 
	    
	    param[0]=3;param[1]=4;param[2]=3; 
	    err = ioctl(df3, opra, param);
	 
	    goto this;
	     }
            if(param[0] ==3 )
	    {
		    param[0]=0;param[1]=9;param[2]=0;
		    err = ioctl(df0, opra, param);
		 

		    param[0]=0;param[1]=9;param[2]=1;
		    err = ioctl(df1, opra, param);
		
		    param[0]=1;param[1]=9;param[2]=2; 
		    err = ioctl(df1, opra, param);
		  
		    
		    
		    param[0]=1;param[1]=9;param[2]=3; 
		    err = ioctl(df2, opra, param);
		  
		    param[0]=2;param[1]=9;param[2]=4;
		    err = ioctl(df2, opra, param);
		 
		    
	    param[0]=0;param[1]=9;param[2]=5;
	    err = ioctl(df3, opra, param);
	  
	    param[0]=1;param[1]=9;param[2]=6; 
	    err = ioctl(df3, opra, param);
	  
	    param[0]=2;param[1]=9;param[2]=7;
	    err = ioctl(df3, opra, param);
	  
	    param[0]=3;param[1]=9;param[2]=8; 
	    err = ioctl(df3, opra, param);
	  
	     }
	  
      
this:       printf("four split\n");     
	    close(df0);
            close(df1);
            close(df2);
            close(df3);
            return 0;
    }
    else
    {
 
      printf ("%s seting ...\n",DEVNAME);

     err = ioctl(df, opra, param);
     printf("return from %s %d\n",DEVNAME,param[0]);
     if(err)
     {     perror("");
        printf("%s ioctl err.\n",DEVNAME);
        close(df);
        exit(1);
     }
    }
    close(df);
    return 0;
}