fm_tea5767.c

智原mp3 SDK 开发包 与巨力 有mp3 wma ogg decoder

#include "api.h"
#include "fm_tea5767.h"
#include "i2c.h"

#define mCombinU16(u16, h1, h0)                 \
{                                               \
        ((UNION16 *)&(u16))->v8[1] = h0;        \
        ((UNION16 *)&(u16))->v8[0] = h1;        \
}

extern INT8U _buf[64];

extern void my_sprintf(char *buf, const char *fmt, ...);

INT8U u8FMdata[5];
INT16U u16RadioFrequency;
code INT8U U8RadioSet[5] = {MUTE_TEA5767_ON,0x00,0x00,STANDBY_ON,0x00};
//--------------------------------------------------------------------------
static BOOLEAN bRadioSetCommand(INT8U *ptr)
{	
	register INT8U i;
	vI2C_Start();
	if(FALSE == bI2C_ByteOut(TEA5767_ADDR_W))
    		return FALSE;
	for(i=0;i<5;i++)
	{
		if(FALSE == bI2C_ByteOut(ptr[i]))
      		return FALSE;	
	}
	vI2C_Stop();
	return true;
}

BOOLEAN bRadioInit(void)
{ 
  	FM_BUSEN = 1;
  
  	u16RadioFrequency = FM_FREQ_MIN;
  
  	return(bRadioSetCommand(U8RadioSet));
}

//--------------------------------------------------------------------------
BOOLEAN bRadioStop(void)
{
  	if(bRadioSetCommand(U8RadioSet)==FALSE)
  		return FALSE;
  	
  	FM_BUSEN = 0;
  	
  	return TRUE;
}




extern BOOLEAN init_volume(void);
extern BOOLEAN close_volume(void);
extern void delay(UINT16 n);
//--------------------------------------------------------------------------