tunerapp.c

sigma_designs的tuner驱动

					goto _label_instructions;
				
				uStart = strtol(argv[argi+1], NULL, 10);
				uEnd = strtol(argv[argi+2], NULL, 10);
				
				argi = argi + 3;
				break;
				
			case 'I':
				interactive = TRUE;
				argi = argi + 1;
				break;
			} // end switch
			
		} //end while

		if( tunerapiOpen( &tunerapiCfg, &(listTunerContext[nTuners])) != RM_OK ) {
			printf("tunerapiOpen() failed\n");
			goto main_exit;
		}

		MPRINT(("Created and SELECTED Tuner %ld\n", nTuners));
		selectedTuner = nTuners;
		nTuners++;

		if( (uStart != 0) &&
		    (uEnd != 0) )
		{
			SCAN_RESULT_T scanresult_T;

			if( tunerapiGetProperty(listTunerContext[selectedTuner], TunerApiProperty_TunerLowestFrequency, &pd_U) != RM_OK )
				printf("unexpected error, tunerapiGetProperty(TunerLowestFrequency failed\n");	
			if( uStart < pd_U.uFrequency )
			{
				printf("start frequency too low for selected tuner, set to lowest frequency\n");
				uStart = pd_U.uFrequency;
			}
			

			if( tunerapiGetProperty(listTunerContext[selectedTuner], TunerApiProperty_TunerHighestFrequency, &pd_U) != RM_OK )
				printf("unexpected error, tunerapiGetProperty(TunerHighestFrequency failed\n");	
			if( uEnd > pd_U.uFrequency )
			{
				printf("end frequency too high for selected tuner, set to highest frequency\n");
				uEnd = pd_U.uFrequency;
			}
			

			printf("tunerapiScan() %ld to %ld .....\n", uStart, uEnd);
			r = tunerapiScan(listTunerContext[selectedTuner], uStart, uEnd, &scanresult_T);
			
			switch (r)
			{
			default:
			case RM_ERROR:
				printf("error\n");
				break;
				
			case RM_NOT_FOUND:
				printf("no frequencies found\n");
				break;
				
			case RM_OK:
				printf("found frequency and tuner set to %ld\n", scanresult_T.uFrequency);
				break;
			}
		}
		
		
		if( (initialFrequency) != 0 )
		{
			if( tunerapiGetProperty(listTunerContext[selectedTuner], TunerApiProperty_TunerLowestFrequency, &pd_U) != RM_OK )
				printf("unexpected error, tunerapiGetProperty(TunerLowestFrequency failed\n");	
			if( initialFrequency < pd_U.uFrequency )
			{
				printf("start frequency too low for selected tuner, set to lowest frequency\n");
				initialFrequency = pd_U.uFrequency;
			}
			

			if( tunerapiGetProperty(listTunerContext[selectedTuner], TunerApiProperty_TunerHighestFrequency, &pd_U) != RM_OK )
				printf("unexpected error, tunerapiGetProperty(TunerHighestFrequency failed\n");	
			if( initialFrequency > pd_U.uFrequency )
			{
				printf("end frequency too high for selected tuner, set to highest frequency\n");
				initialFrequency = pd_U.uFrequency;
			}
			
			pd_U.uFrequency = initialFrequency;
			//if( (r = tunerapiSetProperty(listTunerContext[selectedTuner], TunerApiProperty_TuneFrequency, &pd_U)) == RM_OK )
			if( (r = tunerapiTune(listTunerContext[selectedTuner], initialFrequency)) == RM_OK )
				printf("*Tuner %i - Changed to Frequency %li\n", selectedTuner, initialFrequency);
			else
				printf("!Tuner %i - tunerChangeChannel() to Frequency %li Failed with %d\n", selectedTuner, initialFrequency, r);
			{
				do
				{ 
					if( (r = tunerapiGetProperty(listTunerContext[selectedTuner], TunerApiProperty_SignalStatus, &pd_U)) == RM_OK )
					{
						printf("*Tuner %d - tunerapiGetProperty(SignalStatus) = %s\n", selectedTuner, (pd_U.nSignalStatus==TunerSignalStatus_CarrierOk)?"Locked":"no signal");
					}
					else
					{
						printf("!Tuner %d - tunerapiGetProperty(SignalStatus) FAILED %d\n", selectedTuner, r);
					}
					mum_usleep(1000);
				}
				while( pd_U.nSignalStatus == TunerSignalStatus_Searching );
				
				if( (r = tunerapiGetProperty(listTunerContext[selectedTuner], TunerApiProperty_TuneFrequency, &pd_U)) != RM_OK )
					printf("!Tuner %d - tunerapiGetProperty(TuneFrequency) FAILED %d\n", selectedTuner, r);
				else
					printf("*Tuner %d - Tune Frequency = %ld, This is only the CENTER, may have offsets(Dvb-T)\n", selectedTuner, pd_U.uFrequency);
										
				if( (r = tunerapiGetProperty(listTunerContext[selectedTuner], TunerApiProperty_SignalStrength, &pd_U)) != RM_OK )
					printf("!Tuner %d - tunerapiGetProperty(SignalStrength) FAILED %d, May be ok for ANALOG Tuners\n", selectedTuner, r);
				else
					printf("*Tuner %d - Signal Strength = %li\n", selectedTuner, pd_U.iSignalStrength);
			}
		}
		
		if( interactive == FALSE )
		{
			// DON"T CLOSE TUNER ON EXIT so that we stay tuned to the channel!
			closeTunerOnExit = FALSE;
			goto main_exit;
		}
	} // end if (cmd line only application)

	
	// interactive mode
	// Right now, this shows you how you can do a RE-OPEN to switch modes quickly.
	{
		TUNERAPI_CFG tunerapiCfg;	
		TUNERAPI_PROPERTY_DATA_U pd_U;
			
		memset(&tunerapiCfg, 0, sizeof(TUNERAPI_CFG));
		tunerapiCfg.pI2Cal_Context = (TUNERAPI_CONTEXT*) &i2cConfig;
		tunerapiCfg.nTunerInput = TunerInput_First;

		show_commands();
		while(1)
		{
			printf("> ");

			if( fgets( aBuffer, 255, stdin) != NULL )
			{
				switch( aBuffer[0] )
				{
				case 'M':
					{
						// this is the only multimode tuner that I have
						printf("*Philips TUV1236D Tuner selected\n");
						tunerapiCfg.nTunerModel = TunerModel_Philips_TUV1236D;
						tunerapiCfg.I2CAddress[0] = 0x14;
						tunerapiCfg.I2CAddress[1] = 0x16;
				
						switch ( aBuffer[2] )
						{
						case 'b':
							tunerapiCfg.nTunerMode = TunerMode_Analog_tvBG;
							printf("*Mode Analog tvBG selected\n");
							break;
						case 'i':
							tunerapiCfg.nTunerMode = TunerMode_Analog_tvI;
							printf("*Mode Analog tvI selected\n");
							break;
						case 'd':
							tunerapiCfg.nTunerMode = TunerMode_Analog_tvDK;
							printf("*Mode Analog tvDK selected\n");
							break;
						case 'l':
							tunerapiCfg.nTunerMode = TunerMode_Analog_tvL;
							printf("*Mode Analog tvL selected\n");
							break;
						case '1':
							tunerapiCfg.nTunerMode = TunerMode_Analog_tvL1;
							printf("*Mode Analog tvL1 selected\n");
							break;
						case 'm':
							tunerapiCfg.nTunerMode = TunerMode_Analog_tvM;
							printf("*Mode Analog tvM selected\n");
							break;
						case 'j':
							tunerapiCfg.nTunerMode = TunerMode_Analog_tvMJapan;
							printf("*Mode Analog tvM Japan selected\n");
							break;					
						case 'p':
							tunerapiCfg.nTunerMode = TunerMode_Atsc_Parallel;
							printf("*Mode Atsc Parallel selected\n");
							break;
						case 's':
							tunerapiCfg.nTunerMode = TunerMode_Atsc_Serial;
							printf("*Mode Atsc Serial selected\n");
							break;
						case 't':
							tunerapiCfg.nTunerMode = TunerMode_DvbT_Parallel;
							printf("*Mode Dvb-T parallel selected\n");
							break;
						case 'u':
							tunerapiCfg.nTunerMode = TunerMode_DvbT_Serial;
							printf("*Mode Dvb-T Serial selected\n");
							break;

						default:
							break;
						}
						
						if( tunerapiOpen( &tunerapiCfg, &(listTunerContext[selectedTuner])) != RM_OK )
							printf("tunerapiOpen() failed\n");
					}
					break;
					
				case 'C':
					{
						sscanf( aBuffer+2, "%ld", &initialFrequency );
						if( (r = tunerapiTune(listTunerContext[selectedTuner], initialFrequency)) == RM_OK )
							printf("*Tuner %i - Changed to Frequency %li\n", selectedTuner, initialFrequency);
						else
							printf("!Tuner %i - tunerChangeChannel() to Frequency %li Failed with %d\n", selectedTuner, initialFrequency, r);
						{
							do
							{ 
								if( (r = tunerapiGetProperty(listTunerContext[selectedTuner], TunerApiProperty_SignalStatus, &pd_U)) == RM_OK )
								{
									printf("*Tuner %d - tunerapiGetProperty(SignalStatus) = %s\n", selectedTuner, (pd_U.nSignalStatus==TunerSignalStatus_CarrierOk)?"Locked":"no signal");
								}
								else
								{
									printf("!Tuner %d - tunerapiGetProperty(SignalStatus) FAILED %d\n", selectedTuner, r);
								}
								mum_usleep(1000);
							}
							while( pd_U.nSignalStatus == TunerSignalStatus_Searching );

							if( (r = tunerapiGetProperty(listTunerContext[selectedTuner], TunerApiProperty_TuneFrequency, &pd_U)) != RM_OK )
								printf("!Tuner %d - tunerapiGetProperty(TuneFrequency) FAILED %d\n", selectedTuner, r);
							else
								printf("*Tuner %d - Tune Frequency = %ld, This is only the CENTER, may have offsets(Dvb-T)\n", selectedTuner, pd_U.uFrequency);

							if( (r = tunerapiGetProperty(listTunerContext[selectedTuner], TunerApiProperty_SignalStrength, &pd_U)) != RM_OK )
								printf("!Tuner %d - tunerapiGetProperty(SignalStrength) FAILED %d, May be ok for ANALOG Tuners\n", selectedTuner, r);
							else
								printf("*Tuner %d - Signal Strength = %li\n", selectedTuner, pd_U.iSignalStrength);
						}
					}
					break;
				
				case 'q':
				case 'Q':
					goto main_exit;
					break;

				} // end switch
			}
			else
			{
				show_commands();
			} // end if ( fgets() )
		}
	}
	

main_exit:
	{
		RMint32 i;
		for( i = 0; i < nTuners; i++ )
		{
			// If I don't close, I'm leaking memory!
			// Obviously for testing only....
			if( closeTunerOnExit )
			{
				MPRINT(("*main Closing Tuners..\n"));
				if( (r = tunerapiClose(listTunerContext[i])) != RM_OK )
					MPRINT(("main !tunerClose FAILED %d\n", r));
			}
		}
	}
	
	mum_exit(pGBus, pLLAD);
	
	return 0;
}


void show_commands(void)
{
	printf("\n");
	printf("     ? - this screen\n\n");
	printf("     q - quit\n\n");
}


RMvoid show_cmdline(char* appname)
{
	printf("%s [i] [T tuner-type] [C channel-frequency] [M mode] [S scan-start scan-stop] [H] [A low-i2c-address high-i2c-address]\n", appname);
	printf("Example: %s T 1 C 56750000 S 56000000 57000000 A 0x14 0x16\n", appname);
	printf("\n");
	printf("T - 1 = philips tuv1236d\n");
	printf("    2 = philips fq1216me\n");
	printf("    3 - philips tu1216\n");
	printf("\n");
	printf("M - b = pal B/G\n");
	printf("    i = pal I\n");
	printf("    d = pal D/K\n");
	printf("    l = L\n");
	printf("    1 = L'\n");
	printf("    m = ntsc M\n");
	printf("    j = ntsc M Japan\n");
	printf("    p = ATSC parallel\n");
	printf("    s = ATSC serial\n");
	printf("    t = DVB-T parallel\n");
	printf("    u = DVB-T serial\n");
}