fm_test.c

dm270 source code

/*
Module Name	: fm_test.c

Functions	: FM_TEST
    
Purpose		: Test DA202

Author		: Otis	Yu

Notes		: 

*/

/*--------------------------------------------------------------------------*
*	Local header files						 							    *
*--------------------------------------------------------------------------*/
#include 	<demo/uart270.h>
#include 	<demo/sagiters.h>
#include	<user/FM5767.h>
#include    <demo/gio270.h>

/*--------------------------------------------------------------------------*
*	Extern global variables					 							    *
*--------------------------------------------------------------------------*/
extern volatile unsigned short	UART0IntFlag;
extern unsigned char audio_output_channel;
extern ULONG	DEV_FM_khz;	
/*--------------------------------------------------------------------------*
*	Const, Macro, type definition					 					    *
*--------------------------------------------------------------------------*/
#define	FmPlay					4
#define FmRecord				5
#define	Channel_1				0x00
#define	Channel_3				0x02
#define E_PASS  				0
#define all						0

/*--------------------------------------------------------------------------*
*	Global Variables 								  					    *
*--------------------------------------------------------------------------*/


/*---------------------------------------------------------*
*	Brief		:	API_FM_SetFreq						   *
*	Return		:										   *	
*	Description :										   *
*----------------------------------------------------------*/
short	API_FM_SetFreq(ULONG freq)
{
	short	ret;


	if( freq != DEV_FM_khz )	DEV_FM_Preset_Scan(freq);
	
	
	ret = DEV_FM_Volumn_Control_Enable(all);

	return	ret;
}
/*---------------------------------------------------------*
*	Brief		:	API_FM_BusEnable					   *
*	Return		:										   *	
*	Description :										   *
*----------------------------------------------------------*/
void	API_FM_BusEnable( BOOL TrueEnable )
{
	if( TrueEnable )	GIO_setBit(GIO30);		//FM_BUSEN
	else				GIO_clearBit(GIO30);	//FM_BUSEN
}
/*---------------------------------------------------------*
*	Brief		:	API_FM_On							   *
*	Return		:										   *	
*	Description :										   *
*----------------------------------------------------------*/
short	API_FM_On(void)
{
	short	ret;

	API_FM_BusEnable( TRUE );
	ret = DEV_FM_Standby_Mode_Disable();
	if( ret != E_PASS )	goto	end_api_fm_on;

end_api_fm_on:
	DEV_FM_Volumn_Control_Disable(all);
	return	ret;
}

/*---------------------------------------------------------*
*	Brief		:	API_FM_Off							   *
*	Return		:										   *	
*	Description :										   *
*----------------------------------------------------------*/
short	API_FM_Off(void)
{
	short	ret;

	ret = DEV_FM_Volumn_Control_Disable(all);
	if( ret != E_PASS )	goto	end_api_fm_off;
	ret = DEV_FM_Standby_Mode_Enable();
end_api_fm_off:
	return	ret;
}

/*---------------------------------------------------------*
*	Brief		:	API_POWER_Managment					   *
*	Return		:										   *	
*	Description :										   *
*----------------------------------------------------------*/
void POWER_Managment( int which_play_mode, unsigned char out_channel )
{
	API_FM_BusEnable( TRUE );
	API_FM_On();
	API_AUDIO_Input_MicBiasEnable(FALSE);
	API_AUDIO_PowerOn();
	API_AUDIO_SetRecordMode( Channel_3, out_channel );
	
}	

/*--------------------------------------------------------------------------*
*	Brief		:	FM_TEST			 									
*	Return		:	None													
*	Description	:	
*--------------------------------------------------------------------------*/
void FM_TEST(void)
{
    static char i=0;
	UART_sendString( UART0, "\r\n ***************FM  TEST***************" );
	DEV_Audio_Init();
	if(i != 1)
	{
	DEV_FM_Init();
	i = 1;
	}
	POWER_Managment( FmRecord, audio_output_channel );
	API_FM_SetFreq( 98800 );
	API_AUDIO_Input_SetVolume( 1 );
	UART_sendString( UART0, "\r\n Push Any Key(PC) Exit Test" );
	
	while(UART0IntFlag);
	UART0IntFlag = 1;
	
	API_FM_Off();
	API_FM_BusEnable( FALSE );
	API_AUDIO_PowerOff();
	UART_sendString( UART0, "\r\n END" );
	UART_sendString( UART0, "\r\n " );
}