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  • 大小: 12KB
    文件類型: .rar
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    發布日期: 2021-05-12
  • 語言: 其他
  • 標簽: QN8035??FM??RDS??

資源簡介

QN8035 FM 單芯片驅動,在STM32下運行成功,模擬I2C控制

資源截圖

代碼片段和文件信息

#include?“8035.h“

extern?UINT8?QND_ReadReg(UINT8?adr);
extern?UINT8?QND_WriteReg(UINT8?adr?UINT8?value);


#define?R_TXRX_MASK????0x30
uint32_t???qnd_Crystal?=?QND_CRYSTAL_DEFAULT;
UINT8???qnd_PrevMode;
UINT8???qnd_Country??=?COUNTRY_CHINA?;
UINT16??qnd_CH_START?=?7600;
UINT16??qnd_CH_STOP??=?10800;
UINT8???qnd_CH_STEP??=?1;

UINT8??qnd_AutoScanAll?=?0;
UINT8??qnd_IsStereo;
UINT8??qnd_ChCount;
UINT8??qnd_R16;?
UINT8??qnd_R17;
UINT8??qnd_R46;
UINT16?qnd_ChList[QN_CCA_MAX_CH];
UINT8???qnd_StepTbl[3]={51020};
QND_SeekCallBack?qnd_CallBackFunc?=?0;



/**********************************************************************
void?QNF_RXInit()
**********************************************************************
Description:?set?to?SNR?based?MPX?control.?Call?this?function?before?
?????????????tune?to?one?specific?channel

Parameters:
None
Return?Value:
None
**********************************************************************/
void?QNF_RXInit()
{
????QNF_SetRegBit(0x1B0x080x00);?//Let?NFILT?adjust?freely
????QNF_SetRegBit(0x2C0x3F0x12);?//When?SNR????QNF_SetRegBit(0x1D0x400x00);//Let?ccfilter3?adjust?freely
????QNF_SetRegBit(0x410x0F0x0A);//Set?a?hcc?index?to?trig?ccfilter3‘s?adjust
????QND_WriteReg(0x450x50);//Set?aud_thrd?will?affect?ccfilter3‘s?tap?number
????QNF_SetRegBit(0x400x700x70);?//snc/hcc/sm?snr_rssi_sel;?snc_start=0x40;?hcc_start=0x30;?sm_start=0x20
????QNF_SetRegBit(0x190x800x80);?//Use?SNR?for?ccfilter?selection?criterion
????QNF_SetRegBit(0x3E0x800x80);?//it?is?decided?by?programming?this?register
????QNF_SetRegBit(0x410xE00xC0);//DC?notching?High?pass?filter?bandwidth;?remove?low?freqency?dc?signals????????
????QNF_SetRegBit(0x420x100x10);//disable?the?vtune?monitor
????QNF_SetRegBit(0x34?0x7FSMSTART_VAL);?//set?SNCSTART
????QNF_SetRegBit(0x350x7FSNCSTART_VAL);?//set?SNCSTART
????QNF_SetRegBit(0x360x7FHCCSTART_VAL);?//set?HCCSTART
}

/**********************************************************************
void?QNF_SetMute(UINT8?On)
**********************************************************************
Description:?set?register?specified?bit

Parameters:
On:????????1:?mute?0:?unmute
Return?Value:
None
**********************************************************************/
void?QNF_SetMute(UINT8?On)
{
if(On)
{
????????QNF_SetRegBit(0x4C?0x0B?0x0B);
}
else
{
????????QND_Delay(QND_DELAY_BEFORE_UNMUTE);
????????QNF_SetRegBit(0x4C?0x0B?0x00);
}
}

/**********************************************************************
void?QNF_SetRegBit(UINT8?reg?UINT8?bitMask?UINT8?data_val)
**********************************************************************
Description:?set?register?specified?bit

Parameters:
????reg:????????register?that?will?be?set
????bitMask:????mask?specified?bit?of?register
????data_val:????data?will?be?set?for?specified?bit
Return?Value:
????None
*****************************

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????27588??2012-08-08?10:39??QN8035驅動\8035.c

?????文件??????12822??2012-07-31?14:07??QN8035驅動\8035.h

?????文件???????8343??2012-08-08?11:49??QN8035驅動\qnio.c

?????文件???????2572??2012-08-09?15:37??QN8035驅動\qnio.h

?????目錄??????????0??2012-08-16?12:08??QN8035驅動

-----------?---------??----------?-----??----

????????????????51325????????????????????5


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